{"id":16894,"date":"2022-07-22T22:30:00","date_gmt":"2022-07-22T15:30:00","guid":{"rendered":"https:\/\/kiencang.net\/?p=16828"},"modified":"2023-01-29T23:02:00","modified_gmt":"2023-01-29T16:02:00","slug":"website-cham","status":"publish","type":"post","link":"https:\/\/kiencang.net\/website-cham\/","title":{"rendered":"T\u1ea1i sao website t\u1ea3i ch\u1eadm: 12 nguy\u00ean nh\u00e2n &#038; c\u00e1ch kh\u1eafc ph\u1ee5c"},"content":{"rendered":"\n<p>Website t\u1ea3i ch\u1eadm c\u00f3 r\u1ea5t nhi\u1ec1u nguy\u00ean nh\u00e2n, tuy nhi\u00ean trong b\u00e0i vi\u1ebft n\u00e0y t\u00f4i ch\u1ec9 t\u1eadp trung v\u00e0o c\u00e1c nguy\u00ean nh\u00e2n quan tr\u1ecdng nh\u1ea5t. N\u1ed9i dung ch\u1ee7 y\u1ebfu h\u01b0\u1edbng \u0111\u1ebfn <a href=\"https:\/\/kiencang.net\/huong-dan-su-dung-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">nh\u1eefng ai d\u00f9ng WordPress<\/a>, c\u00f2n ai d\u00f9ng h\u1ec7 qu\u1ea3n tr\u1ecb n\u1ed9i dung kh\u00e1c s\u1ebd v\u1eabn nh\u1eadn \u0111\u01b0\u1ee3c c\u00e1c l\u1ee3i \u00edch th\u1ef1c t\u1ebf, v\u00ec nguy\u00ean l\u00fd c\u0103n b\u1ea3n v\u1eabn gi\u1ed1ng nhau.<\/p>\n\n\n\n<p>Tr\u01b0\u1edbc khi \u0111i v\u00e0o chi ti\u1ebft, ch\u00fang ta c\u1ea7n ph\u00e2n bi\u1ec7t 2 ki\u1ec3u website ch\u1eadm kh\u00e1c nhau:<\/p>\n\n\n\n<ul>\n<li><strong>Ki\u1ec3u thi tho\u1ea3ng m\u1edbi ch\u1eadm<\/strong>: \u0111\u00e2y l\u00e0 ki\u1ec3u ch\u1eadm kh\u00f4ng theo quy lu\u1eadt, b\u1ed7ng v\u00e0o gi\u1edd n\u00e0o \u0111\u00f3, ng\u00e0y n\u00e0o \u0111\u00f3 b\u1ea5t ch\u1ee3t website \u00ec \u1ea1ch, b\u1ea1n kh\u00f3 ph\u00e1t hi\u1ec7n n\u00f3, \u0103n may v\u00e0o \u0111\u00fang l\u00fac n\u00f3 d\u1edf ch\u1ee9ng th\u00ec m\u1edbi bi\u1ebft.<\/li>\n\n\n\n<li><strong>Ki\u1ec3u ch\u1eadm &#8220;\u1ed5n \u0111\u1ecbnh&#8221;<\/strong>: website ch\u1eadm th\u01b0\u1eddng xuy\u00ean, b\u1ea1n d\u1ec5 ph\u00e1t hi\u1ec7n.<\/li>\n<\/ul>\n\n\n\n<p>Thi tho\u1ea3ng m\u1edbi ch\u1eadm c\u00f3 th\u1ec3 c\u00f3 m\u1ed9t s\u1ed1 nguy\u00ean nh\u00e2n sau:<\/p>\n\n\n\n<ul>\n<li><strong>B\u1ed7ng d\u01b0ng c\u00f3 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp b\u1ea5t th\u01b0\u1eddng<\/strong>: v\u00ed d\u1ee5 ai \u0111\u00f3 share b\u00e0i c\u1ee7a b\u1ea1n trong m\u1ed9t nh\u00f3m FB, v\u00e0 b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c v\u00e0i tr\u0103m truy c\u1eadp c\u00f9ng l\u00fac th\u1eddi \u0111i\u1ec3m \u0111\u00f3.<\/li>\n\n\n\n<li><strong>C\u00f3 m\u1ed9t t\u00e1c v\u1ee5 khi\u1ebfn website c\u1ee7a b\u1ea1n s\u1eed d\u1ee5ng nhi\u1ec1u t\u00e0i nguy\u00ean:<\/strong> v\u00ed d\u1ee5 backup tr\u00ean website c\u00f3 dung l\u01b0\u1ee3ng l\u1edbn. <\/li>\n\n\n\n<li><strong>Website kh\u00e1c tr\u00ean c\u00f9ng h\u1ec7 th\u1ed1ng d\u00f9ng nhi\u1ec1u t\u00e0i nguy\u00ean<\/strong>: d\u00f9 l\u00e0 tr\u00ean VPS c\u1ee7a b\u1ea1n, hay tr\u00ean shared hosting d\u00f9ng chung v\u1edbi nhi\u1ec1u website c\u1ee7a ng\u01b0\u1eddi kh\u00e1c, n\u1ebfu c\u00f3 website n\u00e0o \u0111\u00f3 \u0103n t\u00e0i nguy\u00ean, n\u00f3 c\u0169ng c\u00f3 th\u1ec3 l\u00e0m website c\u1ee7a b\u1ea1n ch\u1eadm \u0111i. Shared hosting th\u01b0\u1eddng x\u1eed l\u00fd \u0111i\u1ec1u n\u00e0y b\u1eb1ng c\u00e1ch kh\u00f3a t\u00ean mi\u1ec1n \u0103n t\u00e0i nguy\u00ean b\u1ea5t th\u01b0\u1eddng. Tr\u01b0\u1eddng h\u1ee3p ch\u00ednh website kh\u00e1c c\u1ee7a b\u1ea1n trong h\u1ec7 th\u1ed1ng VPS (c\u0169ng c\u1ee7a b\u1ea1n) l\u00e0m ch\u1eadm to\u00e0n b\u1ed9 VPS kh\u00f4ng ph\u1ea3i l\u00e0 hi\u1ebfm, l\u00fac \u0111\u1ea5y th\u00ec b\u1ea1n c\u1ea7n t\u00ecm website \u0111\u00f3 v\u00e0 s\u1eeda th\u00f4i.<\/li>\n<\/ul>\n\n\n\n<p>Ki\u1ec3u ch\u1eadm &#8220;\u1ed5n \u0111\u1ecbnh&#8221; th\u01b0\u1eddng d\u1ec5 kh\u1eafc ph\u1ee5c h\u01a1n <a href=\"https:\/\/kiencang.net\/website-cham-bat-chot\/\" target=\"_blank\" rel=\"noreferrer noopener\">ki\u1ec3u ch\u1eadm th\u1ea5t th\u01b0\u1eddng<\/a>. B\u00e0i vi\u1ebft n\u00e0y n\u00f3i v\u1ec1 c\u1ea3 hai, nh\u01b0ng thi\u00ean v\u1ec1 kh\u1eafc ph\u1ee5c d\u1ea1ng ch\u1eadm &#8220;\u1ed5n \u0111\u1ecbnh&#8221;.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_60 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\" role=\"button\"><label for=\"item-6577d6686c859\" ><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input aria-label=\"Toggle\" aria-label=\"item-6577d6686c859\"  type=\"checkbox\" id=\"item-6577d6686c859\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/kiencang.net\/website-cham\/#1_Hosting_khong_phu_hop\" title=\"#1. Hosting kh\u00f4ng ph\u00f9 h\u1ee3p\">#1. Hosting kh\u00f4ng ph\u00f9 h\u1ee3p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/kiencang.net\/website-cham\/#2_Cai_qua_nhieu_plugin_hoacva_su_dung_plugin_nang\" title=\"#2. C\u00e0i qu\u00e1 nhi\u1ec1u plugin ho\u1eb7c\/v\u00e0 s\u1eed d\u1ee5ng plugin n\u1eb7ng\">#2. C\u00e0i qu\u00e1 nhi\u1ec1u plugin ho\u1eb7c\/v\u00e0 s\u1eed d\u1ee5ng plugin n\u1eb7ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/kiencang.net\/website-cham\/#3_Giao_dien_nang_ne\" title=\"#3. Giao di\u1ec7n n\u1eb7ng n\u1ec1\">#3. Giao di\u1ec7n n\u1eb7ng n\u1ec1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/kiencang.net\/website-cham\/#4_Khong_su_dung_cache\" title=\"#4. Kh\u00f4ng s\u1eed d\u1ee5ng cache\">#4. Kh\u00f4ng s\u1eed d\u1ee5ng cache<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/kiencang.net\/website-cham\/#5_Khong_toi_uu_hoa_anh\" title=\"#5. Kh\u00f4ng t\u1ed1i \u01b0u h\u00f3a \u1ea3nh\">#5. Kh\u00f4ng t\u1ed1i \u01b0u h\u00f3a \u1ea3nh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/kiencang.net\/website-cham\/#6_Khong_toi_uu_CSS\" title=\"#6. Kh\u00f4ng t\u1ed1i \u01b0u CSS\">#6. Kh\u00f4ng t\u1ed1i \u01b0u CSS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/kiencang.net\/website-cham\/#7_Khong_toi_uu_JS\" title=\"#7. Kh\u00f4ng t\u1ed1i \u01b0u JS\">#7. Kh\u00f4ng t\u1ed1i \u01b0u JS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/kiencang.net\/website-cham\/#8_Nhung_qua_nhieu_tai_nguyen_cua_ben_thu_ba\" title=\"#8. Nh\u00fang qu\u00e1 nhi\u1ec1u t\u00e0i nguy\u00ean c\u1ee7a b\u00ean th\u1ee9 ba\">#8. Nh\u00fang qu\u00e1 nhi\u1ec1u t\u00e0i nguy\u00ean c\u1ee7a b\u00ean th\u1ee9 ba<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/kiencang.net\/website-cham\/#9_Su_dung_Cloudflare\" title=\"#9. S\u1eed d\u1ee5ng Cloudflare\">#9. S\u1eed d\u1ee5ng Cloudflare<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/kiencang.net\/website-cham\/#10_Dut_cap\" title=\"#10. \u0110\u1ee9t c\u00e1p\">#10. \u0110\u1ee9t c\u00e1p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/kiencang.net\/website-cham\/#11_Co_qua_nhieu_lien_ket_chuyen_huong\" title=\"#11. C\u00f3 qu\u00e1 nhi\u1ec1u li\u00ean k\u1ebft chuy\u1ec3n h\u01b0\u1edbng\">#11. C\u00f3 qu\u00e1 nhi\u1ec1u li\u00ean k\u1ebft chuy\u1ec3n h\u01b0\u1edbng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/kiencang.net\/website-cham\/#12_Quang_cao\" title=\"#12. Qu\u1ea3ng c\u00e1o\">#12. Qu\u1ea3ng c\u00e1o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/kiencang.net\/website-cham\/#Bonus_CDN_chat_luong_thap_vs_bi_tan_cong_DDoS\" title=\"#Bonus: CDN ch\u1ea5t l\u01b0\u1ee3ng th\u1ea5p vs b\u1ecb t\u1ea5n c\u00f4ng DDoS\">#Bonus: CDN ch\u1ea5t l\u01b0\u1ee3ng th\u1ea5p vs b\u1ecb t\u1ea5n c\u00f4ng DDoS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/kiencang.net\/website-cham\/#Qua\" title=\"#Qu\u00e0\">#Qu\u00e0<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"1-hosting-khong-phu-h\u1ee3p\"><span class=\"ez-toc-section\" id=\"1_Hosting_khong_phu_hop\"><\/span>#1. Hosting kh\u00f4ng ph\u00f9 h\u1ee3p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2020\/05\/toc-do-Singapore-Hoa-Ky.png\" alt=\"v\u1ecb tr\u00ed host g\u1ea7n ng\u01b0\u1eddi d\u00f9ng gi\u00fap c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 trang l\u00ean r\u1ea5t nhi\u1ec1u\" class=\"wp-image-16869\"\/><figcaption class=\"wp-element-caption\">T\u1ed1c \u0111\u1ed9 v\u1ec1 Vi\u1ec7t Nam c\u1ee7a m\u00e1y ch\u1ee7 \u1edf Sing cao g\u1ea7n g\u1ea5p \u0111\u00f4i m\u00e1y ch\u1ee7 \u1edf M\u1ef9<\/figcaption><\/figure><\/div>\n\n\n<p class=\"has-base-3-color has-contrast-2-background-color has-text-color has-background\">Hosting kh\u00f4ng h\u1ee3p l\u00e0 m\u1ed9t trong c\u00e1c nguy\u00ean nh\u00e2n ch\u00ednh khi\u1ebfn website ch\u1eadm ch\u1ea1p.<\/p>\n\n\n\n<p>N\u1ebfu website b\u1ecb ch\u1eadm, \u0111i\u1ec1u \u0111\u1ea7u ti\u00ean b\u1ea1n n\u00ean ngh\u0129 \u0111\u1ebfn l\u00e0 do <em>hosting kh\u00f4ng ph\u00f9 h\u1ee3p<\/em> (kh\u00f4ng n\u00ean v\u1ed9i v\u00e3 k\u1ebft lu\u1eadn <em>host \u0111\u1ec3u<\/em>), kh\u00f4ng ph\u00f9 h\u1ee3p \u1edf \u0111\u00e2y c\u00f3 nhi\u1ec1u kh\u00eda c\u1ea1nh, ch\u1eb3ng h\u1ea1n nh\u01b0:<\/p>\n\n\n\n<ul>\n<li><strong>Host \u1edf qu\u00e1 xa<\/strong>: V\u00ed d\u1ee5, kh\u00e1ch ch\u1ee7 y\u1ebfu \u1edf Vi\u1ec7t Nam, nh\u01b0ng b\u1ea1n l\u1ea1i thu\u00ea host \u0111\u1eb7t m\u00e1y ch\u1ee7 t\u1ea1i Hoa K\u1ef3, c\u00e1ch n\u1eeda v\u00f2ng tr\u00e1i \u0111\u1ea5t. T\u00f4i t\u1eebng trung th\u00e0nh v\u1edbi g\u00f3i <a href=\"https:\/\/www.dreamhost.com\/wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">DreamPress c\u1ee7a DreamHost<\/a> h\u01a1n 3 n\u0103m, v\u1edbi nhi\u1ec1u \u01b0u \u0111i\u1ec3m nh\u01b0 cache ph\u00eda m\u00e1y ch\u1ee7, <a href=\"https:\/\/kiencang.net\/theo-doi-up-time-website\/\" target=\"_blank\" rel=\"noreferrer noopener\">uptime cao<\/a>, ch\u1ecbu t\u1ea3i l\u1edbn, nh\u01b0ng cu\u1ed1i c\u00f9ng \u0111\u00e0nh ph\u1ea3i chuy\u1ec3n v\u00ec h\u1ecd kh\u00f4ng c\u00f3 server \u1edf Ch\u00e2u \u00c1 m\u00e0 ch\u1ec9 c\u00f3 \u1edf Hoa K\u1ef3. B\u1ea1n th\u1eed so s\u00e1nh <a href=\"https:\/\/sgp-ping.vultr.com\/vultr.com.100MB.bin\" target=\"_blank\" rel=\"noreferrer noopener\">t\u1ed1c \u0111\u1ed9 t\u1ea3i t\u1eeb Singapore<\/a> v\u00e0 <a href=\"https:\/\/il-us-ping.vultr.com\/vultr.com.100MB.bin\" target=\"_blank\" rel=\"noreferrer noopener\">Hoa K\u1ef3 v\u1ec1 Vi\u1ec7t Nam<\/a> l\u00e0 s\u1ebd bi\u1ebft, c\u1ea3 hai c\u00f9ng c\u00f3 dung l\u01b0\u1ee3ng 100MB v\u00e0 \u0111\u1ec1u thu\u1ed9c v\u1ec1 c\u00f4ng ty <a href=\"https:\/\/kiencang.net\/category\/vultr\/\" target=\"_blank\" rel=\"noreferrer noopener\">host \u0111a d\u1ecbch v\u1ee5 Vultr<\/a>.<\/li>\n\n\n\n<li><strong>Host qu\u00e1 t\u1ea3i<\/strong>: Web c\u00f3 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp cao nh\u01b0ng b\u1ea1n l\u1ea1i thu\u00ea g\u00f3i host qu\u00e1 nh\u1ecf. Chuy\u1ec7n n\u00e0y r\u1ea5t hay x\u1ea3y ra, v\u00e0 c\u0169ng d\u1ec5 hi\u1ec3u th\u00f4i v\u00ec ai c\u0169ng mu\u1ed1n ti\u1ebft ki\u1ec7m nh\u1ea5t c\u00f3 th\u1ec3, nh\u01b0ng c\u00e1i g\u00ec c\u0169ng c\u00f3 gi\u1edbi h\u1ea1n, b\u1ea1n kh\u00f4ng th\u1ec3 m\u1eb7c \u00e1o size S khi c\u01a1 th\u1ec3 \u1edf c\u1ee1 XXL. N\u1ebfu \u0111\u00e3 \u00e1p d\u1ee5ng \u0111\u00fang nhi\u1ec1u bi\u1ec7n ph\u00e1p t\u1ed1i \u01b0u m\u00e0 trang v\u1eabn qu\u00e1 t\u1ea3i, \u0111\u00e2y l\u00e0 l\u00fac b\u1ea1n n\u00ean c\u00e2n nh\u1eafc chuy\u1ec3n ho\u1eb7c n\u00e2ng c\u1ea5p g\u00f3i \u0111ang d\u00f9ng. Xem th\u00eam: <a href=\"https:\/\/kiencang.net\/giam-tai-cho-host-yeu\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e1ch gi\u1ea3m t\u1ea3i cho hosting y\u1ebfu<\/a>.<\/li>\n\n\n\n<li><strong>M\u00e1y ch\u1ee7 web Apache<\/strong>: D\u00f9 ra \u0111\u1eddi s\u1edbm, ph\u1ed5 bi\u1ebfn v\u00e0 ti\u1ec7n l\u1ee3i nh\u01b0ng Apache ch\u1eadm h\u01a1n kh\u00e1 nhi\u1ec1u so v\u1edbi c\u00e1c m\u00e1y ch\u1ee7 Nginx v\u00e0 LiteSpeed. May m\u1eafn cho ch\u00fang ta l\u00e0 hi\u1ec7n nay h\u1ea7u h\u1ebft c\u00f4ng ty b\u00e1n hosting \u0111\u1ec1u s\u1eed d\u1ee5ng c\u00e1c n\u1ec1n t\u1ea3ng Nginx (ho\u1eb7c ph\u1ed1i h\u1ee3p gi\u1eefa ch\u00fang) v\u00e0 LiteSpeed \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t. N\u00ean trong th\u1ef1c t\u1ebf b\u1ea1n \u00edt khi g\u1eb7p ph\u1ea3i v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/li>\n\n\n\n<li><strong>Ch\u1ea5t l\u01b0\u1ee3ng th\u1ea5p<\/strong>: Cu\u1ed1i c\u00f9ng, kh\u00f4ng lo\u1ea1i tr\u1eeb kh\u1ea3 n\u0103ng b\u1ea1n ch\u1ecdn ph\u1ea3i c\u00f4ng ty hosting c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng trung b\u00ecnh, ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 k\u00e9m. Host ch\u1ea5t l\u01b0\u1ee3ng th\u1ea5p c\u00f3 m\u1ed9t \u0111i\u1ec3m c\u1ef1c k\u1ef3 h\u1ea5p d\u1eabn: <em>n\u00f3 th\u01b0\u1eddng c\u00f3 gi\u00e1 r\u1ea5t r\u1ebb, k\u00e8m khuy\u1ebfn m\u1ea1i kh\u1ee7ng<\/em>. Tuy nhi\u00ean t\u00f4i kh\u00f4ng v\u01a1 \u0111\u0169a c\u1ea3 n\u1eafm, c\u00f3 nh\u1eefng hosting gi\u00e1 th\u1ea5p nh\u01b0ng ch\u1ea5t l\u01b0\u1ee3ng \u1ed5n (v\u00ed d\u1ee5 \u1edf th\u1eddi \u0111i\u1ec3m vi\u1ebft b\u00e0i n\u00e0y l\u00e0 Namecheap shared hosting)&#8230; C\u00f2n n\u1ebfu \u0111\u00e3 bi\u1ebft ch\u1ed7 kh\u00f4ng n\u00ean \u1edf, b\u1ea1n ch\u1ec9 c\u1ea7n t\u00ecm n\u01a1i m\u1edbi th\u00f4i!<\/li>\n<\/ul>\n\n\n\n<p>Hosting l\u00e0 l\u0129nh v\u1ef1c <strong>r\u1ea5t c\u1ea1nh tranh<\/strong>, c\u00f3 v\u00f4 s\u1ed1 qu\u1ea3ng c\u00e1o v\u00e0 h\u00e0ng t\u00e1 blog c\u00f4ng ngh\u1ec7 t\u01b0 v\u1ea5n k\u00e8m \u0103n hoa h\u1ed3ng (affiliate), do v\u1eady t\u00ecm th\u00f4ng tin trung th\u1ef1c, ch\u00ednh x\u00e1c kh\u00f4ng d\u1ec5.<\/p>\n\n\n\n<p>Ng\u1eafn g\u1ecdn th\u00ec b\u1ea1n n\u00ean ch\u1ecdn hosting nh\u01b0 sau:<\/p>\n\n\n\n<ul>\n<li><strong>M\u00e1y ch\u1ee7 web c\u00e0ng g\u1ea7n ng\u01b0\u1eddi d\u00f9ng c\u00e0ng t\u1ed1t<\/strong>: N\u1ebfu kh\u00e1ch truy c\u1eadp \u1edf Vi\u1ec7t Nam l\u00e0 ch\u1ee7 y\u1ebfu h\u00e3y \u01b0u ti\u00ean ch\u1ecdn m\u00e1y ch\u1ee7 web \u1edf \u0111\u00e2y ho\u1eb7c Singapore, Nh\u1eadt B\u1ea3n&#8230;D\u00f9 Hong Kong g\u1ea7n h\u01a1n Nh\u1eadt, theo kinh nghi\u1ec7m ri\u00eang, t\u00f4i th\u1ea5y n\u00f3 kh\u00f4ng cho t\u1ed1c \u0111\u1ed9 t\u1ed1t b\u1eb1ng.<\/li>\n\n\n\n<li><strong>S\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 m\u00e1y ch\u1ee7 Nginx ho\u1eb7c LiteSpeed<\/strong>: \u0110\u1eb7c bi\u1ec7t l\u00e0 <a href=\"https:\/\/www.litespeedtech.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">m\u00e1y ch\u1ee7 th\u01b0\u01a1ng m\u1ea1i LiteSpeed<\/a>, ch\u1ec9 c\u1ea7n t\u1ed1i \u01b0u c\u01a1 b\u1ea3n l\u00e0 hi\u1ebfm website n\u00e0o b\u1ecb ch\u1eadm tr\u00ean n\u1ec1n m\u00e1y ch\u1ee7 n\u00e0y. Nginx l\u00e0 l\u1ef1a ch\u1ecdn c\u0169ng r\u1ea5t t\u1ed1t, \u01b0u \u0111i\u1ec3m c\u1ee7a n\u00f3 so v\u1edbi LiteSpeed Enterprise l\u00e0 mi\u1ec5n ph\u00ed. Nh\u01b0ng c\u1ea3 hai kh\u00f4ng ph\u1ea3i kh\u00f4ng c\u00f3 nh\u01b0\u1ee3c \u0111i\u1ec3m. V\u00ed d\u1ee5 Nginx c\u1ea5u h\u00ecnh ph\u1ee9c t\u1ea1p, \u00edt t\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn h\u01a1n c\u00e1c n\u1ec1n t\u1ea3ng kh\u00e1c kh\u00e1 nhi\u1ec1u, c\u00f2n LiteSpeed Enterprise b\u1ea1n ph\u1ea3i tr\u1ea3 ph\u00ed \u0111\u1ec3 d\u00f9ng, c\u00f2n b\u1ea3n mi\u1ec5n ph\u00ed OpenLiteSpeed s\u1ebd c\u00f3 m\u1ed9t s\u1ed1 h\u1ea1n ch\u1ebf.<\/li>\n\n\n\n<li><strong>\u01afu ti\u00ean VPS h\u01a1n l\u00e0 Share host<\/strong>: <a href=\"https:\/\/kiencang.net\/vps-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">VPS l\u00e0 ki\u1ec3u ph\u00f2ng ri\u00eang<\/a>, c\u00f2n <a href=\"https:\/\/kiencang.net\/shared-hosting-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">Share host<\/a> gi\u1ed1ng k\u00fd t\u00fac x\u00e1, g\u1eb7p ph\u1ea3i \u00f4ng \u0103n \u1edf s\u1ea1ch s\u1ebd, y\u00ean t\u0129nh th\u00ec kh\u00f4ng sao, ch\u1ee9 m\u00e0 \u1edf c\u00f9ng \u00f4ng n\u00e0o l\u1eb1ng nh\u1eb1ng l\u00e0 ch\u1ebft m\u1ec7t.<\/li>\n\n\n\n<li><strong>N\u1ebfu c\u00f3 \u0111i\u1ec1u ki\u1ec7n v\u1ec1 kinh ph\u00ed h\u00e3y ch\u1ecdn managed WordPress hosting cho nh\u1eb9 \u0111\u1ea7u<\/strong>: B\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a s\u1eb5n r\u1ea5t nhi\u1ec1u th\u1ee9, nh\u01b0ng gi\u00e1 c\u00f3 th\u1ec3 \u0111\u1eaft g\u1ea5p \u0111\u00f4i, g\u1ea5p ba VPS v\u1edbi c\u00f9ng m\u1ed9t c\u1ea5u h\u00ecnh. <\/li>\n\n\n\n<li><strong>Kh\u1ea9u quy\u1ebft m\u00e0 anh em trong ngh\u1ec1 truy\u1ec1n tai nhau<\/strong>: &#8220;<em>Kh\u00f4ng n\u00ean mua hosting c\u1ee7a b\u00ean chuy\u00ean b\u00e1n t\u00ean mi\u1ec1n<\/em>&#8221; v\u1eabn \u0111\u00fang trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p. \u0110\u1ea5y l\u00e0 l\u00fd do m\u00e0 host c\u1ee7a GoDaddy kh\u00f4ng \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi khuy\u00ean d\u00f9ng (ri\u00eang <a href=\"https:\/\/kiencang.net\/mua-ten-mien-tai-godaddy\/\">d\u1ecbch v\u1ee5 t\u00ean mi\u1ec1n c\u1ee7a h\u1ecd<\/a> t\u00f4i v\u1eabn th\u00edch, d\u00f9 gi\u00e1 h\u01a1i cao m\u1ed9t ch\u00fat).<\/li>\n<\/ul>\n\n\n\n<p>T\u00f4i c\u00f3 vi\u1ebft m\u1ed9t b\u00e0i chi ti\u1ebft v\u1ec1 <a href=\"https:\/\/kiencang.net\/mua-hosting-cho-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e1ch ch\u1ecdn mua hosting cho WordPress \u1edf \u0111\u00e2y<\/a>.<\/p>\n\n\n\n<p>PS: trong tr\u01b0\u1eddng h\u1ee3p b\u1eaft bu\u1ed9c b\u1ea1n ph\u1ea3i d\u00f9ng hosting \u1edf r\u1ea5t xa ng\u01b0\u1eddi d\u00f9ng, v\u00ed d\u1ee5 c\u00f3 th\u1eddi \u0111i\u1ec3m Ki\u1ebfn c\u00e0ng ph\u1ea3i d\u00f9ng hosting shared \u1edf Hoa K\u1ef3, trong khi kh\u00e1ch th\u00ec \u1edf Vi\u1ec7t Nam, th\u1ebf th\u00ec bi\u1ec7n ph\u00e1p c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 kh\u1ea3 quan nh\u1ea5t l\u00e0 d\u00f9ng <a href=\"https:\/\/kiencang.net\/category\/quic-cloud\/\" target=\"_blank\" rel=\"noreferrer noopener\">QUIC cloud<\/a> c\u00f3 kh\u1ea3 n\u0103ng cache HTML \u1edf m\u00e1y ch\u1ee7 bi\u00ean v\u00e0 BunnyCDN c\u00f3 PoP \u1edf Vi\u1ec7t Nam \u0111\u1ec3 CDN cho t\u00e0i nguy\u00ean t\u0129nh (\u1ea3nh, CSS, JS,&#8230;). B\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o th\u00eam <a href=\"https:\/\/kiencang.net\/cdn-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e1c d\u1ecbch v\u1ee5 CDN t\u1ed1t cho WordPress<\/a> \u1edf b\u00e0i n\u00e0y.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"2-cai-qua-nhi\u1ec1u-plugin-ho\u1eb7c-va-s\u1eed-d\u1ee5ng-plugin-n\u1eb7ng\"><span class=\"ez-toc-section\" id=\"2_Cai_qua_nhieu_plugin_hoacva_su_dung_plugin_nang\"><\/span>#2. C\u00e0i qu\u00e1 nhi\u1ec1u plugin ho\u1eb7c\/v\u00e0 s\u1eed d\u1ee5ng plugin n\u1eb7ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0110\u00e2y l\u00e0 l\u1ed7i r\u1ea5t hay g\u1eb7p v\u1edbi ng\u01b0\u1eddi m\u1edbi s\u1eed d\u1ee5ng web n\u00f3i chung v\u00e0 WordPress n\u00f3i ri\u00eang, gi\u1ed1ng nh\u01b0 m\u1ed9t ng\u01b0\u1eddi m\u1edbi du l\u1ecbch mang theo h\u00e0nh trang th\u1eeba th\u00e3i &amp; c\u1ed3ng k\u1ec1nh, khi b\u1ea1n c\u00e0i qu\u00e1 nhi\u1ec1u plugin m\u00e0 kh\u00f4ng d\u00f9ng h\u1ebft t\u00ednh n\u0103ng c\u1ee7a n\u00f3 b\u1ea1n s\u1ebd l\u00e0m website t\u1ea3i ch\u1eadm \u0111i \u0111\u00e1ng k\u1ec3.<\/p>\n\n\n\n<p>Nguy\u00ean nh\u00e2n l\u00e0 v\u00ec plugin s\u1ebd l\u00e0m t\u0103ng s\u1eed d\u1ee5ng PHP, MySQL, b\u01a1m th\u00eam CSS, JS v\u00e0o trang. Ngo\u00e0i ra <a href=\"https:\/\/kiencang.net\/toi-uu-database-wordpress-toan-dien\/\" target=\"_blank\" rel=\"noreferrer noopener\">m\u1ed9t s\u1ed1 plugin chi\u1ebfm m\u1ed9t l\u01b0\u1ee3ng l\u1edbn database<\/a> (v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh l\u00e0 <a href=\"https:\/\/wordpress.org\/plugins\/wordfence\/\" target=\"_blank\" rel=\"noreferrer noopener\">plugin b\u1ea3o m\u1eadt Wordfence<\/a>).<\/p>\n\n\n\n<p>Th\u01b0\u1eddng nh\u1eefng t\u00ednh n\u0103ng sau s\u1ebd \u0103n nhi\u1ec1u t\u00e0i nguy\u00ean c\u1ee7a hosting:<\/p>\n\n\n\n<ul>\n<li>B\u00e0i vi\u1ebft li\u00ean quan;<\/li>\n\n\n\n<li>Preload cache;<\/li>\n\n\n\n<li>B\u1ea3o m\u1eadt;<\/li>\n\n\n\n<li>Th\u1ed1ng k\u00ea;<\/li>\n<\/ul>\n\n\n\n<p>T\u00f4i kh\u00f4ng c\u00f3 \u00fd b\u1ea3o b\u1ea1n kh\u00f4ng d\u00f9ng c\u00e1c t\u00ednh n\u0103ng \u0111\u00f3, m\u00e0 n\u00ean c\u00e2n nh\u1eafc thi\u1ec7t h\u01a1n v\u00e0 ch\u1ecdn plugin n\u00e0o \u0111\u00f3 th\u1ef1c hi\u1ec7n nhi\u1ec7m v\u1ee5 theo c\u00e1ch th\u00f4ng minh, \u0111\u1ee1 hao t\u1ed5n t\u00e0i nguy\u00ean nh\u1ea5t c\u00f3 th\u1ec3.<\/p>\n\n\n\n<p>Nguy\u00ean t\u1eafc \u0111\u1ec3 kh\u1eafc ph\u1ee5c t\u00ecnh tr\u1ea1ng n\u00e0y l\u00e0:<\/p>\n\n\n\n<ul>\n<li>S\u1eed d\u1ee5ng t\u00ednh n\u0103ng n\u00e0o th\u00ec d\u00f9ng plugin t\u01b0\u01a1ng \u1ee9ng v\u1edbi n\u00f3;<\/li>\n\n\n\n<li>Ch\u1ecdn plugin ch\u1ea5t l\u01b0\u1ee3ng b\u1eb1ng c\u00e1ch d\u1ef1a v\u00e0o l\u01b0\u1ee3t t\u1ea3i, review (s\u1ed1 sao), ngu\u1ed3n v\u00e0 t\u00e1c gi\u1ea3 uy t\u00edn;<\/li>\n\n\n\n<li>T\u00ecm c\u00e1c plugin thay th\u1ebf nh\u1eb9 h\u01a1n.<\/li>\n<\/ul>\n\n\n\n<p>N\u00f3i d\u1ec5 l\u00e0m kh\u00f3. Plugin gi\u1edd c\u0169ng nhi\u1ec1u nh\u01b0 s\u00e1ch d\u1ea1y l\u00e0m gi\u00e0u, ch\u1ec9 ri\u00eang vi\u1ec7c ch\u1ecdn th\u00f4i c\u0169ng l\u00e0m b\u1ea1n hoa m\u1eaft, v\u00e3 m\u1ed3 h\u00f4i r\u1ed3i!<\/p>\n\n\n\n<p>V\u1ea5n \u0111\u1ec1 ch\u1ecdn \u0111\u00fang plugin ch\u1eafc ch\u1eafn s\u1ebd \u0111\u00f2i h\u1ecfi b\u1ea1n ph\u1ea3i b\u1ecf c\u00f4ng s\u1ee9c t\u00ecm hi\u1ec3u, th\u1eed sai v\u00e0 \u00edt nhi\u1ec1u kinh nghi\u1ec7m. N\u1ebfu kh\u00f4ng bi\u1ebft b\u1ea1n n\u00ean h\u1ecfi nh\u1eefng ng\u01b0\u1eddi \u0111i tr\u01b0\u1edbc. B\u1ea1n c\u00f3 th\u1ec3 v\u00e0o blog c\u1ee7a h\u1ecd \u0111\u1eb7t c\u00e2u h\u1ecfi \u1edf ph\u1ea7n b\u00ecnh lu\u1eadn ho\u1eb7c gia nh\u1eadp c\u00e1c <a rel=\"noreferrer noopener\" href=\"https:\/\/www.facebook.com\/groups\/wordpressviet\" target=\"_blank\">nh\u00f3m chuy\u00ean v\u1ec1 WordPress nh\u01b0 c\u1ee7a Th\u1ea1ch Ph\u1ea1m<\/a> (ti\u1ebfng Vi\u1ec7t) ho\u1eb7c <a rel=\"noreferrer noopener\" href=\"https:\/\/www.facebook.com\/groups\/wpspeedmatters\/\" target=\"_blank\">WPSpeedMatters (chuy\u00ean t\u1ed1i \u01b0u t\u1ed1c \u0111\u1ed9, <\/a>ti\u1ebfng Anh).<\/p>\n\n\n\n<p>Cu\u1ed1i c\u00f9ng b\u1ea1n \u0111\u1eebng ham r\u1ebb t\u1ea3i l\u1eadu c\u00e1c plugin c\u00f3 ph\u00ed t\u1eeb nh\u1eefng ngu\u1ed3n kh\u00f4ng ch\u00ednh th\u1ee9c. N\u00f3 nh\u01b0 \u0111\u00e1nh x\u1ed5 s\u1ed1 v\u1eady, may m\u1eafn m\u1edbi \u0111\u01b0\u1ee3c \u00f4ng n\u00e0o t\u1ed1t b\u1ee5ng share plugin s\u1ea1ch s\u1ebd th\u01a1m tho, ngon l\u00e0nh c\u00e0nh \u0111\u00e0o, c\u00f2n th\u00ec th\u1ef1c t\u1ebf \u0111\u00e3 c\u00f3 kh\u00f4ng \u00edt tr\u01b0\u1eddng h\u1ee3p c\u00e0i c\u1eb1m th\u00eam \u0111\u1ee7 th\u1ee9 linh tinh v\u00e0o \u0111\u1ec3 ki\u1ebfm ch\u00e1c ho\u1eb7c ph\u00e1 ho\u1ea1i. \u0110\u1ebfn l\u00fac b\u1ecb b\u1ea1n m\u1edbi th\u1ea5y s\u1ed1 ti\u1ec1n ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c ch\u1ea3 l\u00e0 g\u00ec so v\u1edbi nh\u1eefng g\u00ec b\u1ea1n b\u1ecb m\u1ea5t! <\/p>\n\n\n\n<p>L\u00fac n\u00e0o c\u0169ng c\u00f3 plugin mi\u1ec5n ph\u00ed thay th\u1ebf plugin tr\u1ea3 ph\u00ed, t\u1ea5t nhi\u00ean t\u00ednh n\u0103ng hay s\u1ef1 ti\u1ec7n l\u1ee3i s\u1ebd kh\u00f4ng b\u1eb1ng, nh\u01b0ng th\u01b0\u1eddng kh\u00f4ng nhi\u1ec1u n\u1ebfu b\u1ea1n ch\u1ecbu kh\u00f3 t\u00ecm hi\u1ec3u v\u00e0 k\u1ebft h\u1ee3p kh\u00e9o l\u00e9o. <\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"3-giao-di\u1ec7n-n\u1eb7ng-n\u1ec1\"><span class=\"ez-toc-section\" id=\"3_Giao_dien_nang_ne\"><\/span>#3. Giao di\u1ec7n n\u1eb7ng n\u1ec1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-base-3-color has-contrast-2-background-color has-text-color has-background\">Ch\u1ecdn giao di\u1ec7n c\u00f3 thi\u1ebft k\u1ebf k\u00e9m, n\u1eb7ng n\u1ec1, th\u1eeba th\u00e3i, ph\u1ee9c t\u1ea1p kh\u00f4ng c\u1ea7n thi\u1ebft l\u00e0 nguy\u00ean nh\u00e2n quan tr\u1ecdng ti\u1ebfp theo khi\u1ebfn website ch\u1eadm.<\/p>\n\n\n\n<p>Website t\u1ea3i ch\u1eadm c\u0169ng th\u01b0\u1eddng do b\u1ea1n ch\u1ecdn giao di\u1ec7n kh\u00f4ng ph\u00f9 h\u1ee3p, ch\u1ee7 y\u1ebfu l\u00e0 m\u00e0u m\u00e8 ho\u1eb7c t\u00edch h\u1ee3p h\u00e0ng lo\u1ea1t c\u00e1c t\u00ednh n\u0103ng ch\u1eb3ng bao gi\u1edd d\u00f9ng \u0111\u1ebfn ho\u1eb7c hi\u1ebfm l\u1eafm m\u1edbi d\u00f9ng.<\/p>\n\n\n\n<p>Giao di\u1ec7n n\u1eb7ng kh\u00f4ng kh\u00e1c g\u00ec m\u1eb7c \u00e1o gi\u00e1p s\u1eaft \u0111i h\u00f3ng gi\u00f3. Gi\u00f3 th\u00ec kh\u00f4ng th\u1ea5y \u0111\u00e2u, c\u00f2n b\u1ea1n th\u00ec m\u1ed3 h\u00f4i nh\u01b0 t\u1eafm.<\/p>\n\n\n\n<p>L\u1ed7i n\u00e0y c\u0169ng th\u01b0\u1eddng g\u1eb7p \u1edf nh\u1eefng ng\u01b0\u1eddi m\u1edbi, \u00edt kinh nghi\u1ec7m, c\u1ee9 th\u1ea5y giao di\u1ec7n ho\u00e0nh tr\u00e1ng l\u00e0 th\u00edch th\u00f4i.<\/p>\n\n\n\n<p>Nguy\u00ean t\u1eafc ch\u1ecdn giao di\u1ec7n c\u0169ng gi\u1ed1ng nh\u01b0 plugin:<\/p>\n\n\n\n<ul>\n<li>D\u00f9ng \u0111\u1ebfn \u0111\u00e2u s\u1eed d\u1ee5ng theme t\u01b0\u01a1ng \u1ee9ng nh\u01b0 th\u1ebf;<\/li>\n\n\n\n<li>Ngay c\u1ea3 \u0111\u1eb9p, ho\u00e0nh tr\u00e1ng m\u00e0 ng\u01b0\u1eddi d\u00f9ng c\u1ee7a b\u1ea1n kh\u00f4ng th\u00edch ho\u1eb7c qu\u00e1 n\u1eb7ng th\u00ec c\u0169ng \u0111\u1eebng d\u00f9ng;<\/li>\n\n\n\n<li>\u0110\u1eebng ch\u00ea c\u00e1c giao di\u1ec7n mi\u1ec5n ph\u00ed tr\u00ean kho WordPress, nhi\u1ec1u c\u00e1i r\u1ea5t t\u1ed1t m\u00e0 c\u0169ng r\u1ea5t nhanh (v\u00ed d\u1ee5 <a rel=\"noreferrer noopener\" href=\"https:\/\/wordpress.org\/themes\/twentytwenty\/\" target=\"_blank\">TwentyTwenty<\/a> v\u00e0 <a rel=\"noreferrer noopener\" href=\"https:\/\/wordpress.org\/themes\/astra\/\" target=\"_blank\">wpAstra b\u1ea3n mi\u1ec5n ph\u00ed<\/a>);<\/li>\n\n\n\n<li>\u0110\u1eebng ham t\u1ea3i l\u1eadu c\u00e1c giao di\u1ec7n c\u00f3 ph\u00ed, nguy c\u01a1 kh\u00f4ng kh\u00e1c g\u00ec t\u1ea3i plugin l\u1eadu;<\/li>\n\n\n\n<li>C\u00e1c t\u00ednh n\u0103ng m\u00e0 giao di\u1ec7n kh\u00f4ng c\u00f3, ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 b\u1ed5 sung \u0111\u01b0\u1ee3c th\u00f4ng qua plugin;<\/li>\n\n\n\n<li>Mua theme t\u1eeb nh\u1eefng n\u01a1i uy t\u00edn, ch\u1ea5t l\u01b0\u1ee3ng.<\/li>\n<\/ul>\n\n\n\n<p>N\u1ebfu c\u00f3 kinh ph\u00ed b\u1ea1n h\u00e3y th\u1eed tham kh\u1ea3o m\u1ed9t s\u1ed1 theme tr\u1ea3 ph\u00ed r\u1ea5t nhanh sau:<\/p>\n\n\n\n<ul>\n<li><a rel=\"noreferrer noopener\" href=\"https:\/\/generatepress.com\/\" target=\"_blank\">GeneratePress<\/a> (xem th\u00eam <a href=\"https:\/\/kiencang.net\/generatepress-theme-tot-nhat\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0111\u00e1nh gi\u00e1 v\u1ec1 GeneratePress \u1edf b\u00e0i vi\u1ebft n\u00e0y<\/a>);<\/li>\n\n\n\n<li><a rel=\"noreferrer noopener\" href=\"https:\/\/wpastra.com\/\" target=\"_blank\">wpAstra<\/a>;<\/li>\n\n\n\n<li><a rel=\"noreferrer noopener\" href=\"https:\/\/themeforest.net\/item\/soledad-multiconcept-blogmagazine-wp-theme\/12945398\" target=\"_blank\">Soledad<\/a>.<\/li>\n<\/ul>\n\n\n\n<p>B\u1ea1n c\u00f3 th\u1ec3 l\u00ean m\u1ea1ng tra t\u1eeb kh\u00f3a &#8220;WordPress fastest theme&#8221; \u0111\u1ec3 c\u1eadp nh\u1eadt th\u00f4ng tin v\u00e0 bi\u1ebft \u0111\u01b0\u1ee3c nhi\u1ec1u giao di\u1ec7n r\u1ea5t nhanh kh\u00e1c.<\/p>\n\n\n\n<p>P\/S: M\u1ed9t \u0111i\u1ec1u n\u1eefa gi\u00fap b\u1ea1n t\u1ef1 tin ch\u1ecdn giao di\u1ec7n \u0111\u01a1n gi\u1ea3n \u0111\u00f3 l\u00e0 xu h\u01b0\u1edbng truy c\u1eadp web qua giao di\u1ec7n mobile. M\u00e0n h\u00ecnh di \u0111\u1ed9ng nh\u1ecf n\u00ean c\u00e1c m\u00e0n thi tri\u1ec3n \u0111\u1ed3 h\u1ecda ph\u1ee9c t\u1ea1p, t\u00ednh n\u0103ng \u0111\u1ed3 s\u1ed9 th\u01b0\u1eddng kh\u00f4ng th\u00edch h\u1ee3p v\u00e0 c\u0169ng ch\u1eb3ng d\u1ec5 nh\u1eadn th\u1ea5y. \u1ede \u0111\u00e2y c\u00e1c giao di\u1ec7n \u0111\u01a1n gi\u1ea3n (nh\u01b0ng v\u1eabn \u0111\u1ee7 nh\u1eefng th\u1ee9 c\u0103n b\u1ea3n ng\u01b0\u1eddi d\u00f9ng c\u1ea7n) l\u1ea1i \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng h\u01a1n.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"4-khong-s\u1eed-d\u1ee5ng-cache\"><span class=\"ez-toc-section\" id=\"4_Khong_su_dung_cache\"><\/span>#4. Kh\u00f4ng s\u1eed d\u1ee5ng cache<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>B\u1ea3n ch\u1ea5t c\u1ee7a WordPress l\u00e0 \u0111\u1ed9ng th\u00f4ng qua PHP (gi\u1ed1ng nh\u01b0 t\u01b0 duy) v\u00e0 MySQL (gi\u1ed1ng nh\u01b0 b\u1ed9 nh\u1edb), do v\u1eady n\u1ebfu b\u1ea1n kh\u00f4ng s\u1eed d\u1ee5ng cache \u0111\u1ec3 t\u1ea1o trang t\u0129nh th\u00ec ki\u1ec3u g\u00ec website c\u0169ng ch\u1eadm. Cache c\u00f3 2 ki\u1ec3u:<\/p>\n\n\n\n<ul>\n<li><strong>Cache ph\u00eda m\u00e1y ch\u1ee7<\/strong>: th\u01b0\u1eddng l\u00e0 RAM cache v\u00e0 do c\u00e1c hosting c\u00e0i \u0111\u1eb7t s\u1eb5n cho b\u1ea1n r\u1ed3i, ai kh\u00f4ng am hi\u1ec3u v\u1ec1 k\u1ef9 thu\u1eadt r\u1ea5t kh\u00f3 t\u1ef1 c\u00e0i. M\u1ed9t s\u1ed1 ki\u1ec3u cache ph\u00eda m\u00e1y ch\u1ee7 g\u1ed3m Varnish, Memcache, FastCGI Nginx Cache, Redis;<\/li>\n\n\n\n<li><strong>Cache qua plugin<\/strong>: d\u1ec5 c\u00e0i h\u01a1n nhi\u1ec1u v\u00e0 l\u00e0 ph\u1ea7n b\u1ea1n n\u00ean t\u1eadp trung. C\u00f3 \u0111\u1ed9 t\u1ea7m ch\u1ee5c plugin ch\u1ea5t l\u01b0\u1ee3ng cao cho b\u1ea1n th\u1eed nghi\u1ec7m, g\u1ed3m c\u1ea3 mi\u1ec5n ph\u00ed v\u00e0 tr\u1ea3 ph\u00ed. G\u1ee3i \u00fd c\u1ee7a t\u00f4i v\u1ec1 <a href=\"https:\/\/kiencang.net\/category\/litespeed\/\" target=\"_blank\" rel=\"noreferrer noopener\">plugin LiteSpeed cache<\/a> (free), <a href=\"https:\/\/kiencang.net\/category\/flying-press\/\" target=\"_blank\" rel=\"noreferrer noopener\">FlyingPress<\/a> (c\u00f3 ph\u00ed), <a rel=\"noreferrer noopener\" href=\"https:\/\/wp-rocket.me\/\" target=\"_blank\">WP Rocket<\/a> (c\u00f3 ph\u00ed), c\u00f2n mi\u1ec5n ph\u00ed &amp; d\u1ec5 d\u00f9ng l\u00e0 <a href=\"https:\/\/kiencang.net\/category\/cache-enabler\/\" target=\"_blank\" rel=\"noreferrer noopener\">Cache Enabler<\/a> (c\u1ef1c k\u1ef3 \u0111\u01a1n gi\u1ea3n nh\u01b0ng v\u1eabn kh\u00e1 ch\u1ea5t l\u01b0\u1ee3ng, \u0111\u01b0\u1ee3c KeyCDN ph\u00e1t tri\u1ec3n).<\/li>\n<\/ul>\n\n\n\n<p>\u01afu \u0111i\u1ec3m c\u1ee7a WP Rocket l\u00e0 n\u00f3 c\u00f3 th\u1ec3 ch\u1ea1y \u0111\u01b0\u1ee3c tr\u00ean b\u1ea5t k\u1ef3 n\u1ec1n m\u00e1y ch\u1ee7 web n\u00e0o &amp; ch\u1ea5t l\u01b0\u1ee3ng v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a WP Rocket \u0111\u00e3 \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u b\u00ean ki\u1ec3m ch\u1ee9ng, tuy nhi\u00ean gi\u00e1 th\u00e0nh g\u1ea7n 50$\/n\u0103m c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 l\u00e0m nhi\u1ec1u ch\u1ee7 trang \u00e1i ng\u1ea1i.<\/p>\n\n\n\n<p>Cache Enabler tuy kh\u00f4ng nhi\u1ec1u t\u00f9y ch\u1ecdn, nh\u01b0ng ngh\u0129 \u0111i ngh\u0129 l\u1ea1i th\u00ec <em>\u0111\u00f3 l\u1ea1i l\u00e0 \u01b0u \u0111i\u1ec3m n\u1ebfu b\u1ea1n l\u00e0 ng\u01b0\u1eddi m\u1edbi<\/em>. Ngay c\u1ea3 WP Rocket v\u1ed1n lu\u00f4n \u0111\u01b0\u1ee3c ca ng\u1ee3i v\u00ec t\u00ednh d\u1ec5 d\u00f9ng, th\u00ec \u00edt nh\u1ea5t b\u1ea1n c\u0169ng ph\u1ea3i t\u00ecm hi\u1ec3u v\u00e0i ng\u00e0y m\u1edbi d\u00f9ng \u0111\u01b0\u1ee3c \u0111\u00fang v\u00e0 \u0111\u1ee7 t\u00ednh n\u0103ng c\u1ee7a n\u00f3. V\u1edbi Cache Enabler b\u1ea1n ch\u1ec9 c\u1ea7n 1 gi\u1edd t\u00ecm hi\u1ec3u, th\u1eadm ch\u00ed n\u1ebfu nhanh ch\u1ec9 15 ph\u00fat. M\u1ed9t \u0111i\u1ec3m t\u00f4i th\u00edch n\u1eefa \u1edf plugin n\u00e0y l\u00e0 n\u00f3 kh\u00f4ng ph\u1ea3i d\u1ea1ng freemium, t\u1ee9c l\u00e0 Cache Enabler kh\u00f4ng c\u00f3 b\u1ea3n cao c\u1ea5p thu ph\u00ed, n\u00f3i c\u00e1ch kh\u00e1c, nh\u1eefng ng\u01b0\u1eddi ph\u00e1t tri\u1ec3n Cache Enabler \u0111\u00e3 cung c\u1ea5p plugin t\u1ed1t nh\u1ea5t trong kh\u1ea3 n\u0103ng c\u00f3 th\u1ec3 c\u1ee7a h\u1ecd.<\/p>\n\n\n\n<p><a rel=\"noreferrer noopener\" href=\"https:\/\/wordpress.org\/plugins\/wp-fastest-cache\/\" target=\"_blank\">WP Fastest Cache<\/a> b\u1ea3n free l\u00e0 v\u00ed d\u1ee5 kh\u00e1c v\u1ec1 plugin cache m\u00e0 \u1edf th\u1eddi \u0111i\u1ec3m hi\u1ec7n t\u1ea1i t\u00f4i cho r\u1eb1ng kh\u00f4ng n\u00ean d\u00f9ng, tr\u1eeb khi b\u1ea1n ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c c\u00e1c gi\u1edbi h\u1ea1n trong b\u1ea3n mi\u1ec5n ph\u00ed c\u1ee7a n\u00f3. WP Fastest Cache l\u00e0 plugin d\u1ea1ng freemium, \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c t\u00ednh n\u0103ng t\u1ed1t nh\u1ea5t b\u1ea1n ph\u1ea3i b\u1ecf ti\u1ec1n ra mua.<\/p>\n\n\n\n<p>V\u1eady th\u00ec t\u1ea1i sao Cache Enabler l\u1ea1i r\u1ed9ng r\u00e3i \u0111\u1ebfn v\u1eady? Kh\u00f4ng ho\u00e0n to\u00e0n. Nh\u00f3m ph\u00e1t tri\u1ec3n Cache Enabler l\u00e0 <a href=\"https:\/\/www.keycdn.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">KeyCDN<\/a>, m\u1ed9t c\u00f4ng ty c\u0169ng c\u00f3 ti\u1ebfng v\u1ec1 m\u1ea3ng CDN, c\u00e1ch ki\u1ebfm c\u01a1m c\u1ee7a h\u1ecd l\u00e0 qua d\u1ecbch v\u1ee5 CDN ch\u1ee9 kh\u00f4ng ph\u1ea3i plugin cache, ph\u00e1t tri\u1ec3n Cache Enabler v\u00e0 cung c\u1ea5p mi\u1ec5n ph\u00ed \u0111em l\u1ea1i danh ti\u1ebfng cho h\u1ecd, v\u00e0 qua \u0111\u00f3 h\u1ed7 tr\u1ee3 m\u1ea3ng kinh doanh.<\/p>\n\n\n\n<p><a href=\"https:\/\/kiencang.net\/litespeed-plugin-cache-tot-nhat\/\" target=\"_blank\" rel=\"noreferrer noopener\">LiteSpeed cache<\/a> c\u0169ng l\u00e0 plugin free \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 r\u1ea5t cao, nh\u01b0ng n\u00f3 ch\u1ec9 d\u00f9ng \u0111\u01b0\u1ee3c tr\u00ean n\u1ec1n m\u00e1y ch\u1ee7 tr\u1ea3 ph\u00ed LiteSpeed ho\u1eb7c <a href=\"https:\/\/openlitespeed.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">OpenLiteSpeed<\/a> mi\u1ec5n ph\u00ed (m\u00e3 ngu\u1ed3n m\u1edf c\u1ee7a LiteSpeed). Qu\u1ea3 l\u00e0 kh\u00f4n ngoan khi ph\u00e1t tri\u1ec3n plugin mi\u1ec5n ph\u00ed v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng si\u00eau ph\u1ea9m nh\u01b0ng l\u1ea1i g\u1eafn li\u1ec1n v\u1edbi m\u1ed9t d\u1ecbch v\u1ee5 tr\u1ea3 ph\u00ed kh\u00e1c.<\/p>\n\n\n\n<p>C\u1eadp nh\u1eadt: hi\u1ec7n th\u00ec LiteSpeed cache c\u00f3 th\u1ec3 d\u00f9ng \u0111\u01b0\u1ee3c tr\u00ean Apache, Nginx, nh\u01b0ng c\u1ea7n ph\u1ed1i h\u1ee3p v\u1edbi d\u1ecbch v\u1ee5 QUIC cloud th\u00ec m\u1edbi ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<p>N\u1ebfu website c\u1ee7a b\u1ea1n nh\u1ecf th\u00ec d\u00f9ng c\u00e1c gi\u1ea3i ph\u00e1p cache ph\u00eda m\u00e1y ch\u1ee7 s\u1ebd cho t\u1ed1c \u0111\u1ed9 t\u1ed1t h\u01a1n m\u00e0 kh\u00f4ng t\u1ed1n k\u00e9m chi ph\u00ed (b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o control panel mi\u1ec5n ph\u00ed c\u1ee7a <a rel=\"noreferrer noopener\" href=\"https:\/\/gridpane.com\/\" target=\"_blank\">GridPane<\/a> s\u1eed d\u1ee5ng Redis cache), c\u0169ng nh\u01b0 tr\u00e1nh \u0111\u01b0\u1ee3c c\u00e1c r\u1eafc r\u1ed1i th\u01b0\u1eddng g\u1eb7p v\u1edbi ki\u1ec3u cache qua plugin (d\u00f9 c\u00e1c r\u1eafc r\u1ed1i n\u00e0y kh\u00f4ng l\u1edbn). <\/p>\n\n\n\n<p>Tuy nhi\u00ean n\u1ebfu website c\u00f3 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp l\u1edbn, b\u1ea1n l\u1ea1i kh\u00f4ng c\u00f3 nhi\u1ec1u ti\u1ec1n \u0111\u1ea7u t\u01b0, cache qua plugin v\u1eabn l\u00e0 gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u nh\u1ea5t, ch\u1eadm h\u01a1n ch\u00fat \u00edt, nh\u01b0ng r\u1ebb v\u00e0 n\u00f3i chung l\u00e0 \u1ed5n \u0111\u1ecbnh h\u01a1n kh\u00e1 nhi\u1ec1u (b\u1ea3n th\u00e2n trang Ki\u1ebfn c\u00e0ng sau m\u1ed9t th\u1eddi gian d\u00f9ng cache ph\u00eda m\u00e1y ch\u1ee7, t\u00f4i \u0111\u00e3 chuy\u1ec3n sang cache b\u1eb1ng plugin LiteSpeed cache).<\/p>\n\n\n\n<p>M\u1ed9t l\u1ed7i c\u00f3 th\u1ec3 hi\u1ebfm ng\u01b0\u1eddi \u0111\u1ec3 \u00fd khi s\u1eed d\u1ee5ng plugin cache, \u0111\u00f3 l\u00e0 x\u00f3a cache li\u00ean t\u1ee5c. V\u1edbi c\u00e1c website hay ph\u1ea3i c\u1eadp nh\u1eadt (v\u00ed d\u1ee5 m\u1ed9t ng\u00e0y b\u1ea1n c\u1eadp nh\u1eadt b\u00e0i vi\u1ebft 3 &#8211; 4 l\u1ea7n) th\u00ec nhi\u1ec1u thi\u1ebft l\u1eadp m\u1eb7c \u0111\u1ecbnh tr\u00ean c\u00e1c plugin cache c\u00f3 th\u1ec3 khi\u1ebfn b\u1ea1n x\u00f3a h\u1ea7u h\u1ebft cache c\u00e1c trang tr\u00ean website, ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 to\u00e0n b\u1ed9 website ch\u1ec9 v\u00ec b\u1ea1n s\u1eeda m\u1ed9t d\u1ea5u ch\u1ea5m trong b\u00e0i vi\u1ebft n\u00e0o \u0111\u1ea5y! V\u1edbi LiteSpeed cache, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ecdc b\u00e0i vi\u1ebft <a href=\"https:\/\/kiencang.net\/cache-cao-plugin-litespeed-cache\/\" target=\"_blank\" rel=\"noreferrer noopener\">m\u1eb9o t\u1ed1i \u01b0u th\u1eddi gian s\u1ed1ng c\u1ee7a cache<\/a>.<\/p>\n\n\n\n<p>Bonus: B\u1ea1n c\u00f3 th\u1ec3 mu\u1ed1n t\u00ecm hi\u1ec3u th\u00eam b\u00e0i vi\u1ebft v\u1ec1 <a href=\"https:\/\/kiencang.net\/6-cap-do-cache-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">6 ki\u1ec3u cache trong WordPress<\/a>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"5-khong-t\u1ed1i-\u01b0u-hoa-\u1ea3nh\"><span class=\"ez-toc-section\" id=\"5_Khong_toi_uu_hoa_anh\"><\/span>#5. Kh\u00f4ng t\u1ed1i \u01b0u h\u00f3a \u1ea3nh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>V\u1ea5n \u0111\u1ec1 n\u00e0y th\u01b0\u1eddng kh\u00f4ng nghi\u00eam tr\u1ecdng n\u1ebfu trang b\u1ea1n c\u00f3 \u00edt \u1ea3nh (v\u00ed d\u1ee5 ch\u1ec9 c\u00f3 m\u1ed9t \u1ea3nh minh h\u1ecda \u0111\u1ea7u b\u00e0i), nh\u01b0ng n\u1ebfu trung b\u00ecnh m\u1ed7i trang c\u1ee7a b\u1ea1n c\u00f3 t\u1eeb 200KB \u1ea3nh ho\u1eb7c\/v\u00e0 c\u00f3 t\u1eeb 5 b\u1ee9c \u1ea3nh tr\u1edf l\u00ean th\u00ec b\u1ea1n c\u1ea7n l\u01b0u \u00fd \u0111\u1ebfn v\u1ea5n \u0111\u1ec1 n\u00e0y, n\u1ebfu kh\u00f4ng n\u00f3 s\u1ebd l\u00e0m website t\u1ea3i ch\u1eadm \u0111i nhi\u1ec1u, v\u00ec \u1ea3nh th\u01b0\u1eddng l\u00e0 t\u00e0i nguy\u00ean chi\u1ebfm dung l\u01b0\u1ee3ng l\u1edbn nh\u1ea5t.<\/p>\n\n\n\n<p>T\u1ed1i \u01b0u \u1ea3nh t\u1eadp trung v\u00e0o 2 v\u1ea5n \u0111\u1ec1:<\/p>\n\n\n\n<ul>\n<li>Gi\u1ea3m &amp; n\u00e9n dung l\u01b0\u1ee3ng \u1ea3nh;<\/li>\n\n\n\n<li><a href=\"https:\/\/kiencang.net\/lazy-load-anh-va-video\/\" target=\"_blank\" rel=\"noreferrer noopener\">Lazy load \u1ea3nh<\/a> \u0111\u1ec3 n\u00f3 kh\u00f4ng t\u1ea3i to\u00e0n b\u1ed9 \u1ea3nh tr\u00ean trang ngay l\u00fac ban \u0111\u1ea7u.<\/li>\n<\/ul>\n\n\n\n<p>B\u1ea5t c\u1ee9 trang web n\u00e0o c\u0169ng n\u00ean gi\u1ea3m, n\u00e9n dung l\u01b0\u1ee3ng \u1ea3nh, \u0111\u1eb7c bi\u1ec7t n\u00ean d\u00f9ng ki\u1ec3u n\u00e9n kh\u00f4ng m\u1ea5t ch\u1ea5t l\u01b0\u1ee3ng. C\u00f2n v\u1edbi lazy load \u1ea3nh th\u00ec t\u00f9y tr\u01b0\u1eddng h\u1ee3p b\u1ea1n c\u00f3 n\u00ean l\u00e0m hay kh\u00f4ng, c\u00e1c blog th\u00ec tho\u1ea3i m\u00e1i, nh\u01b0ng c\u00e1c trang th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed th\u00ec n\u00ean th\u1eadn tr\u1ecdng h\u01a1n.<\/p>\n\n\n\n<p>C\u00f3 <a rel=\"noreferrer noopener\" href=\"https:\/\/kiencang.net\/plugin-nen-anh-wordpress\/\" target=\"_blank\">nhi\u1ec1u plugin gi\u00fap b\u1ea1n n\u00e9n \u1ea3nh<\/a>, mi\u1ec5n ph\u00ed th\u00ec t\u00f4i th\u00edch <a rel=\"noreferrer noopener\" href=\"https:\/\/kiencang.net\/plugin-ewww-image-optimizer\/\" target=\"_blank\">EWWW<\/a>, c\u00f2n tr\u1ea3 ph\u00ed th\u00ec t\u00f4i th\u00edch <a rel=\"noreferrer noopener\" href=\"https:\/\/kiencang.net\/plugin-nen-anh-shortpixel\/\" target=\"_blank\">Shortpixel<\/a>.<\/p>\n\n\n\n<p>N\u00f3i v\u1ec1 lazy load \u1ea3nh, t\u00f4i \u0111\u1eb7c bi\u1ec7t th\u00edch <a href=\"https:\/\/kiencang.net\/gioi-thieu-plugin-perfmatters\/\" target=\"_blank\" rel=\"noreferrer noopener\">plugin Flying Images<\/a> v\u00e0 <a href=\"https:\/\/kiencang.net\/gioi-thieu-plugin-a3-lazy-load\/\" target=\"_blank\" rel=\"noreferrer noopener\">a3 Lazy Load<\/a>.<\/p>\n\n\n\n<p>M\u1ed9t xu h\u01b0\u1edbng kh\u00e1 n\u1ed5i b\u1eadt trong th\u1eddi gian g\u1ea7n \u0111\u00e2y li\u00ean quan \u0111\u1ebfn t\u1ed1i \u01b0u \u1ea3nh l\u00e0 s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 c\u1ee7a b\u00ean th\u1ee9 ba t\u00edch h\u1ee3p k\u00e8m <a href=\"https:\/\/kiencang.net\/cdn-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">CDN<\/a>. \u0110i\u1ec3m \u0111\u1eb7c bi\u1ec7t c\u1ee7a n\u00f3 l\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p t\u1ed1i \u01b0u h\u00f3a s\u00e2u h\u01a1n + nhi\u1ec1u t\u00ednh n\u0103ng h\u01a1n so v\u1edbi plugin th\u00f4ng th\u01b0\u1eddng + m\u00e1y ch\u1ee7 CDN t\u1ed1c \u0111\u1ed9 cao, s\u1ef1 k\u1ebft h\u1ee3p n\u00e0y \u0111em l\u1ea1i t\u1ed1c \u0111\u1ed9 t\u1ea3i \u1ea3nh t\u0103ng \u0111\u00e1ng k\u1ec3, \u0111\u1ed3ng th\u1eddi c\u0169ng gia t\u0103ng kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i c\u1ee7a website. M\u1ed9t s\u1ed1 c\u00e1i t\u00ean b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o: <a href=\"https:\/\/imagekit.io\/\" target=\"_blank\" rel=\"noreferrer noopener\">imagekit<\/a>, <a href=\"https:\/\/www.imgix.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">imgix<\/a>, v\u00e0 <a href=\"https:\/\/cloudinary.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">cloudinary<\/a>. Tuy nhi\u00ean th\u00e0nh th\u1eadt m\u00e0 n\u00f3i, ch\u1ec9 nh\u1eefng trang r\u1ea5t \u0111\u1eb7c th\u00f9 m\u1edbi d\u00f9ng c\u00e1c d\u1ecbch v\u1ee5 tr\u00ean, v\u00ec n\u00f3 \u0111\u1eaft, v\u00e0 r\u1ea5t nhi\u1ec1u t\u00ednh n\u0103ng kh\u00e1c c\u1ee7a n\u00f3 tr\u00ean m\u1ed9t trang th\u00f4ng th\u01b0\u1eddng hi\u1ebfm khi x\u00e0i \u0111\u1ebfn.<\/p>\n\n\n\n<p>P\/S: B\u1ea1n c\u00f3 th\u1ec3 mu\u1ed1n tham kh\u1ea3o th\u00eam b\u00e0i vi\u1ebft <a href=\"https:\/\/kiencang.net\/toi-uu-anh-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">4 c\u1ea5p \u0111\u1ed9 t\u1ed1i \u01b0u \u1ea3nh trong WordPress<\/a> ho\u1eb7c <a href=\"https:\/\/kiencang.net\/toi-uu-hoa-toc-do-tai-anh\/\" target=\"_blank\" rel=\"noreferrer noopener\">10 c\u00e1ch t\u1ed1i \u01b0u t\u1ed1c \u0111\u1ed9 t\u1ea3i \u1ea3nh cho WordPress<\/a>.<\/p>\n\n\n\n<p><strong>C\u1eadp nh\u1eadt<\/strong>: nhanh, g\u1ecdn v\u00e0 l\u1eb9 l\u00e0 b\u1ea1n d\u00f9ng t\u00ednh n\u0103ng t\u1ed1i \u01b0u h\u00f3a \u1ea3nh c\u1ee7a LiteSpeed cache, \u0111\u1ee7 c\u1ea3 combo gi\u1ea3m dung l\u01b0\u1ee3ng l\u1eabn lazyload, \u01b0u \u0111i\u1ec3m l\u00e0 mi\u1ec5n ph\u00ed r\u1ed9ng r\u00e3i, c\u00e0i \u0111\u1eb7t \u0111\u01a1n gi\u1ea3n.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"6-khong-t\u1ed1i-\u01b0u-css\"><span class=\"ez-toc-section\" id=\"6_Khong_toi_uu_CSS\"><\/span>#6. Kh\u00f4ng t\u1ed1i \u01b0u CSS<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>CSS l\u00e0 thu\u1eadt ng\u1eef chuy\u00ean m\u00f4n trong ng\u00e0nh web, \u0111\u1ec3 cho d\u1ec5 hi\u1ec3u b\u1ea1n h\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng n\u00f3 nh\u01b0 ph\u1ea5n, son, mascara c\u1ee7a ch\u1ecb em, t\u00e1c d\u1ee5ng ch\u00ednh c\u1ee7a CSS l\u00e0 \u0111\u1ecbnh h\u00ecnh l\u00ean b\u1ed9 khung v\u00e0 trang tr\u00ed cho website.<\/p>\n\n\n\n<p>V\u1ea5n \u0111\u1ec1 v\u1edbi CSS l\u00e0 n\u1ebfu b\u1ea1n kh\u00f4ng t\u1ed1i \u01b0u, website s\u1ebd t\u1ea3i th\u1eeba th\u00e3i, v\u1eeba t\u1ed1n dung l\u01b0\u1ee3ng v\u1eeba m\u1ea5t th\u1eddi gian ph\u00e2n t\u00edch c\u00fa ph\u00e1p v\u00e0 ch\u1eafc ch\u1eafn l\u00e0m ch\u1eadm website \u0111\u00e1ng k\u1ec3.<\/p>\n\n\n\n<p>\u0110\u1ec3 t\u1ed1i \u01b0u CSS, b\u1ea1n n\u00ean t\u1eadp trung v\u00e0o 2 v\u1ea5n \u0111\u1ec1 ch\u00ednh:<\/p>\n\n\n\n<ul>\n<li>S\u1eed d\u1ee5ng <a href=\"https:\/\/kiencang.net\/critical-css-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">critical CSS<\/a>;<\/li>\n\n\n\n<li><a href=\"https:\/\/kiencang.net\/css-khong-su-dung-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">Lo\u1ea1i b\u1ecf CSS kh\u00f4ng d\u00f9ng<\/a>.<\/li>\n<\/ul>\n\n\n\n<p>Trong khi critical CSS kh\u00e1 d\u1ec5 t\u1ea1o, nh\u1ea5t l\u00e0 khi trang c\u1ee7a b\u1ea1n c\u00f3 b\u1ed1 c\u1ee5c \u0111\u1ed3ng nh\u1ea5t, lo\u1ea1i b\u1ecf CSS kh\u00f4ng d\u00f9ng th\u00ec ph\u1ee9c t\u1ea1p h\u01a1n nhi\u1ec1u, vi\u1ec7c lo\u1ea1i b\u1ecf 100% CSS kh\u00f4ng d\u00f9ng trong WordPress g\u1ea7n nh\u01b0 kh\u00f4ng th\u1ec3.<\/p>\n\n\n\n<p>Nguy\u00ean nh\u00e2n c\u1ee7a CSS d\u01b0 th\u1eeba l\u00e0 do b\u1ea1n ch\u1ecdn theme kh\u00f4ng ph\u00f9 h\u1ee3p, c\u00e0i c\u1eafm qu\u00e1 nhi\u1ec1u plugin. Tuy nhi\u00ean ngay c\u1ea3 khi ch\u1ecdn theme v\u00e0 plugin c\u1ea9n th\u1eadn, b\u1ea1n v\u1eabn r\u1ea5t kh\u00f3 tr\u00e1nh CSS d\u01b0 th\u1eeba, nh\u01b0ng t\u1ea5t nhi\u00ean th\u00ec d\u01b0 th\u1eeba ch\u00fat \u00edt v\u1eabn t\u1ed1t h\u01a1n d\u01b0 th\u1eeba nhi\u1ec1u.<\/p>\n\n\n\n<p>Plugin \u0111\u1ec3 t\u00edch h\u1ee3p critical CSS t\u00f4i hay d\u00f9ng t\u00ednh n\u0103ng mi\u1ec5n ph\u00ed t\u01b0\u01a1ng \u1ee9ng<a rel=\"noreferrer noopener\" href=\"https:\/\/kiencang.net\/plugin-autoptimize\/\" target=\"_blank\"> trong Autoptimize<\/a>. C\u00f2n lo\u1ea1i b\u1ecf CSS kh\u00f4ng d\u00f9ng t\u00f4i th\u00edch <a href=\"https:\/\/kiencang.net\/gioi-thieu-plugin-perfmatters\/\" target=\"_blank\" rel=\"noreferrer noopener\">plugin Perfmatters<\/a> v\u00e0 <a rel=\"noreferrer noopener\" href=\"https:\/\/tomasz-dobrzynski.com\/wordpress-gonzales\" target=\"_blank\">Gonzales<\/a> (l\u01b0u \u00fd l\u00e0 2 plugin n\u00e0y ch\u1ec9 ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng ai c\u00f3 kinh nghi\u1ec7m, m\u1edbi d\u00f9ng b\u1ea1n kh\u00f4ng c\u1ea7n quan t\u00e2m \u0111\u00e2u).<\/p>\n\n\n\n<p>Hi\u1ec7n c\u00f3 <a href=\"https:\/\/kiencang.net\/category\/flying-press\/\" target=\"_blank\" rel=\"noreferrer noopener\">plugin cache t\u00ean FlyingPress<\/a> \u0111\u01b0\u1ee3c t\u00f4i \u0111\u00e1nh gi\u00e1 l\u00e0 c\u00f3 kh\u1ea3 n\u0103ng t\u1ed1t nh\u1ea5t trong vi\u1ec7c lo\u1ea1i b\u1ecf CSS &amp; JS d\u01b0 th\u1eeba (tuy nhi\u00ean n\u00f3 kh\u00e1 \u0111\u1eaft \u0111\u1ecf).<\/p>\n\n\n\n<p><strong>L\u1ef1a ch\u1ecdn th\u00f4ng minh &amp; kh\u00f4n ngoan trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y<\/strong>: ch\u1ecdn theme v\u00e0 plugin c\u1ea9n th\u1eadn l\u00e0 b\u1ea1n g\u1ea7n nh\u01b0 tho\u00e1t kh\u1ecfi \u0111\u1ed1ng n\u1ee3 CSS d\u01b0 th\u1eeba. Xem th\u00eam: <a href=\"https:\/\/kiencang.net\/toi-uu-css-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e1c t\u00f9y ch\u1ecdn t\u1ed1i \u01b0u CSS tr\u00ean WordPress trong th\u1ef1c t\u1ebf<\/a>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"7-khong-t\u1ed1i-\u01b0u-js\"><span class=\"ez-toc-section\" id=\"7_Khong_toi_uu_JS\"><\/span>#7. Kh\u00f4ng t\u1ed1i \u01b0u JS<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>JS l\u00e0 t\u1eeb vi\u1ebft t\u1eaft c\u1ee7a JavaScript, hi\u1ec7n nay v\u00f4 c\u00f9ng hi\u1ebfm website n\u00e0o m\u00e0 kh\u00f4ng c\u00f3 JS, v\u00ec n\u00f3 l\u00e0m cho trang ti\u1ec7n d\u1ee5ng h\u01a1n r\u1ea5t nhi\u1ec1u.<\/p>\n\n\n\n<p>Tuy nhi\u00ean JS c\u00f3 th\u1ec3 l\u00e0 g\u00e1nh n\u1eb7ng, v\u00ec th\u00f4ng th\u01b0\u1eddng n\u1ebfu b\u1ea1n kh\u00f4ng ch\u1ee7 \u0111\u1ed9ng ch\u1ec9 \u0111\u1ecbnh th\u00ec JavaScript ph\u1ea3i t\u1ea3i v\u00e0 ph\u00e2n t\u00edch xong th\u00ec tr\u00ecnh duy\u1ec7t m\u1edbi hi\u1ec3n th\u1ecb n\u1ed9i dung cho ng\u01b0\u1eddi d\u00f9ng, do v\u1eady m\u00e0 l\u00e0m ch\u1eadm website.<\/p>\n\n\n\n<p>C\u00e1ch t\u1ed1i \u01b0u JS l\u00e0 s\u1eed d\u1ee5ng <a href=\"https:\/\/kiencang.net\/tai-javascript-defer-async\/\" target=\"_blank\" rel=\"noreferrer noopener\">thu\u1ed9c t\u00ednh defer ho\u1eb7c async \u0111\u1ec3 tr\u00ec ho\u00e3n t\u1ea3i<\/a> &amp; k\u1ebft h\u1ee3p ch\u00fang v\u1edbi nhau \u0111\u1ec3 gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng k\u1ebft n\u1ed1i, c\u0169ng nh\u01b0 lo\u1ea1i b\u1ecf d\u1eef li\u1ec7u d\u01b0 th\u1eeba. Plugin \u01b0u th\u00edch c\u1ee7a t\u00f4i trong v\u1ea5n \u0111\u1ec1 n\u00e0y l\u00e0 <a href=\"https:\/\/kiencang.net\/plugin-async-javascript\/\" target=\"_blank\" rel=\"noreferrer noopener\">Async JavaScript<\/a>.<\/p>\n\n\n\n<p>T\u1ed1i \u01b0u JS l\u00e0 c\u00f4ng vi\u1ec7c r\u1ea5t \u0111\u01a1n gi\u1ea3n tr\u00ean c\u00e1c trang th\u00f4ng th\u01b0\u1eddng nh\u01b0 blog. V\u1edbi c\u00e1c trang ph\u1ee9c t\u1ea1p b\u1ea1n c\u1ea7n c\u1ea9n th\u1eadn, v\u00ec n\u00f3 c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng t\u00ednh n\u0103ng quan tr\u1ecdng n\u00e0o \u0111\u00f3 tr\u00ean trang. Do v\u1eady nguy\u00ean t\u1eafc sau khi t\u1ed1i \u01b0u JS l\u00e0 b\u1ea1n ph\u1ea3i ki\u1ec3m tra l\u1ea1i th\u1eadt k\u1ef9. \u0110\u1eb7c bi\u1ec7t \u0111\u1ec3 \u00fd \u0111\u1ebfn c\u00e1c th\u01b0 vi\u1ec7n JS hay \u0111\u01b0\u1ee3c d\u00f9ng nh\u01b0 jQuery.<\/p>\n\n\n\n<p>T\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u1edbi CSS, c\u00e1ch kh\u00f4n ngoan l\u00e0 ch\u1ecdn theme v\u00e0 plugin c\u1ea9n th\u1eadn. C\u00f3 JS d\u01b0 th\u1eeba th\u00ec c\u0169ng kh\u00f4ng \u0111\u00e1ng k\u1ec3. Xem th\u00eam: <a href=\"https:\/\/kiencang.net\/toi-uu-js-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e1c t\u00f9y ch\u1ecdn t\u1ed1i \u01b0u JS tr\u00ean WordPress trong th\u1ef1c t\u1ebf<\/a>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"8-nhung-qua-nhi\u1ec1u-tai-nguyen-c\u1ee7a-ben-th\u1ee9-ba\"><span class=\"ez-toc-section\" id=\"8_Nhung_qua_nhieu_tai_nguyen_cua_ben_thu_ba\"><\/span>#8. Nh\u00fang qu\u00e1 nhi\u1ec1u t\u00e0i nguy\u00ean c\u1ee7a b\u00ean th\u1ee9 ba<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"https:\/\/kiencang.net\/youtube-tai-nang-nhu-the-nao\/\" target=\"_blank\" rel=\"noreferrer noopener\">Ch\u1ec9 c\u1ea7n b\u1ea1n nh\u00fang video YouTube v\u00e0o<\/a> m\u1ed9t trang n\u00e0o \u0111\u00f3 tr\u00ean website, t\u1ed1c \u0111\u1ed9 c\u1ee7a n\u00f3 s\u1ebd ch\u1eadm h\u1eb3n. Khi ki\u1ec3m tra b\u1eb1ng Google PageSpeed Insights kh\u1ea3 n\u0103ng b\u1ecb t\u1ee5t v\u00e0i ch\u1ee5c \u0111i\u1ec3m ch\u1eb3ng ph\u1ea3i l\u00e0 chuy\u1ec7n hi\u1ebfm.<\/p>\n\n\n\n<p>T\u00e0i nguy\u00ean b\u00ean th\u1ee9 ba ph\u1ed5 bi\u1ebfn kh\u00e1c c\u00f3 th\u1ec3 l\u00e0m ch\u1eadm website bao g\u1ed3m: <\/p>\n\n\n\n<ul>\n<li>M\u00e3 nh\u00fang Facebook;<\/li>\n\n\n\n<li>Google Analytics;<\/li>\n\n\n\n<li>Plugin chia s\u1ebb m\u1ea1ng x\u00e3 h\u1ed9i, v\u00e2n v\u00e2n.<\/li>\n<\/ul>\n\n\n\n<p>T\u1ea5t nhi\u00ean t\u00f4i kh\u00f4ng xui b\u1ea1n b\u1ecf nh\u00fang video v\u00e0o trang \u0111\u00e2u, v\u00ec video l\u00e0 m\u1ed9t trong c\u00e1c n\u1ed9i dung m\u00e0 ng\u01b0\u1eddi d\u00f9ng r\u1ea5t \u01b0a th\u00edch, mi\u1ec5n l\u00e0 n\u00f3 ph\u00f9 h\u1ee3p th\u00ec vi\u1ec7c n\u1ed9i dung trang h\u1ea5p d\u1eabn h\u01a1n s\u1ebd \u0111em l\u1ea1i l\u1ee3i \u00edch l\u1edbn h\u01a1n nhi\u1ec1u t\u1ed5n th\u1ea5t t\u1eeb vi\u1ec7c website b\u1ecb ch\u1eadm \u0111i. \u0110\u1ed1i v\u1edbi video th\u00ec t\u00ednh n\u0103ng lazyload iframe th\u01b0\u1eddng gi\u1ea3i quy\u1ebft kh\u00e1 \u1ed5n v\u1ee5 l\u00e0m ch\u1eadm n\u00e0y, n\u00f3 gi\u1ed1ng ki\u1ec3u lazyload \u1ea3nh v\u1eady.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c m\u00e3 nh\u01b0 Google Analytics hi\u1ec7n \u0111\u00e3 c\u00f3 gi\u1ea3i ph\u00e1p l\u00f4i n\u00f3 v\u1ec1 local host \u0111\u1ec3 ch\u1ee7 \u0111\u1ed9ng h\u01a1n trong vi\u1ec7c thi\u1ebft l\u1eadp <a href=\"https:\/\/kiencang.net\/tim-hieu-http-caching\/\" target=\"_blank\" rel=\"noreferrer noopener\">th\u1eddi gian cache ph\u00ed tr\u00ecnh duy\u1ec7t<\/a>. Plugin c\u00f3 th\u1ec3 l\u00e0m t\u1ed1t nhi\u1ec7m v\u1ee5 n\u00e0y l\u00e0 <a href=\"https:\/\/kiencang.net\/plugin-caos-google-analytics\/\" target=\"_blank\" rel=\"noreferrer noopener\">CAOS<\/a>.<\/p>\n\n\n\n<p>V\u1edbi plugin ph\u1ee9c t\u1ea1p t\u1ea3i nhi\u1ec1u t\u00e0i nguy\u00ean c\u1ee7a b\u00ean th\u1ee9 ba, b\u1ea1n h\u00e3y g\u1eafng t\u00ecm plugin thay th\u1ebf nh\u1eb9 h\u01a1n, th\u01b0\u1eddng th\u00ec l\u00fac n\u00e0o c\u0169ng c\u00f3 plugin nh\u01b0 v\u1eady. T\u1eeb kh\u00f3a b\u1ea1n c\u00f3 th\u1ec3 tra l\u00e0 &#8220;alternative + t\u00ean plugin m\u00e0 b\u1ea1n mu\u1ed1n thay&#8221;.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"9-s\u1eed-d\u1ee5ng-cloudflare\"><span class=\"ez-toc-section\" id=\"9_Su_dung_Cloudflare\"><\/span>#9. S\u1eed d\u1ee5ng Cloudflare<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Nguy\u00ean nh\u00e2n n\u00e0y c\u00f3 th\u1ec3 l\u00e0m b\u1ea1n b\u1ea5t ng\u1edd v\u00ec <a rel=\"noreferrer noopener\" href=\"https:\/\/kiencang.net\/huong-dan-su-dung-cloudflare\/\" target=\"_blank\">Cloudflare r\u1ea5t hay \u0111\u01b0\u1ee3c m\u1ecdi ng\u01b0\u1eddi khuy\u00ean d\u00f9ng<\/a> \u0111\u1ec3 gi\u1ea3m t\u1ea3i v\u00e0 <a rel=\"noreferrer noopener\" href=\"https:\/\/kiencang.net\/tang-toc-wordpress\/\" target=\"_blank\">t\u0103ng t\u1ed1c website<\/a>. N\u1ebfu <em>kh\u00eda c\u1ea1nh gi\u1ea3m t\u1ea3i l\u00e0 ch\u1eafc ch\u1eafn th\u00ec t\u0103ng t\u1ed1c l\u00e0 \u0111i\u1ec1u kh\u00f4ng ho\u00e0n to\u00e0n ch\u00ednh x\u00e1c<\/em> n\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng <em>g\u00f3i mi\u1ec5n ph\u00ed<\/em> c\u1ee7a h\u1ecd.<\/p>\n\n\n\n<p>Suy cho c\u00f9ng Cloudflare l\u00e0 d\u1ecbch v\u1ee5 freemium, g\u00f3i mi\u1ec5n ph\u00ed (free) l\u00e0 c\u00e1ch h\u1ecd h\u1ea5p d\u1eabn b\u1ea1n n\u00e2ng c\u1ea5p l\u00ean g\u00f3i tr\u1ea3 ph\u00ed (premium) m\u00e0 th\u00f4i, <strong>v\u00ec th\u1ebf n\u00f3 c\u00f3 nhi\u1ec1u gi\u1edbi h\u1ea1n<\/strong> (\u0111\u00e2y l\u00e0 l\u00fd do m\u00e0 l\u00fac n\u00e0o t\u00f4i c\u0169ng c\u00e2n nh\u1eafc khi d\u00f9ng s\u1ea3n ph\u1ea9m mi\u1ec5n ph\u00ed ki\u1ec3u freemium, m\u1ed9t l\u00e0 c\u00f3 ph\u00ed lu\u00f4n hai l\u00e0 b\u1ea1n n\u00ean d\u00f9ng s\u1ea3n ph\u1ea9m th\u1ef1c s\u1ef1 free ch\u1ee9 phi\u00ean b\u1ea3n gi\u1edbi h\u1ea1n th\u00ec c\u1ea7n xem x\u00e9t k\u1ef9).<\/p>\n\n\n\n<p>V\u00ed d\u1ee5, m\u1eb7c d\u00f9 Cloudflare \u0111\u00e3 c\u00f3 m\u00e1y ch\u1ee7 \u1edf Vi\u1ec7t Nam nh\u01b0ng ai s\u1eed d\u1ee5ng g\u00f3i mi\u1ec5n ph\u00ed th\u00ec th\u01b0\u1eddng kh\u00f4ng t\u1ea3i n\u1ed9i dung t\u1eeb \u0111\u00e2y m\u00e0 v\u1eabn t\u1eeb b\u00ean ngo\u00e0i l\u00e3nh th\u1ed5, cho n\u00ean n\u1ebfu b\u1ea1n \u0111ang d\u00f9ng host c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng kh\u00e1 \u1edf Vi\u1ec7t Nam cho ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp t\u1eeb Vi\u1ec7t Nam th\u00ec d\u00f9ng Cloudflare mi\u1ec5n ph\u00ed c\u00f2n l\u00e0m website t\u1ea3i ch\u1eadm \u00edt nhi\u1ec1u, \u0111i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t \u0111\u00fang trong l\u00fac \u0111\u1ee9t c\u00e1p, m\u00e0 t\u00f4i s\u1ebd \u0111\u1ec1 c\u1eadp \u0111\u1ebfn ngay sau \u0111\u00e2y.<\/p>\n\n\n\n<p>T\u00f4i kh\u00f4ng c\u00f3 th\u00f9 o\u00e1n g\u00ec v\u1edbi Cloudflare \u0111\u00e2u nh\u00e9, ng\u01b0\u1ee3c l\u1ea1i v\u1eabn r\u1ea5t th\u00edch n\u00f3 l\u00e0 \u0111\u1eb1ng kh\u00e1c, g\u00f3i tr\u1ea3 ph\u00ed 20$\/th\u00e1ng c\u1ee7a Cloudflare \u0111\u00e1ng \u0111\u1ed3ng ti\u1ec1n b\u00e1t g\u1ea1o: n\u00f3 c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m nh\u01b0 d\u1ec5 d\u00f9ng, b\u1ea3o m\u1eadt v\u00e0 lu\u00f4n \u0111i \u0111\u1ea7u v\u1ec1 c\u00f4ng ngh\u1ec7 trong l\u0129nh v\u1ef1c t\u0103ng t\u1ed1c. Ngo\u00e0i ra t\u00f4i c\u0169ng kho\u00e1i t\u00ednh n\u0103ng l\u00e0m DNS trung gian c\u1ee7a CloudFlare, n\u00f3 th\u1eadm ch\u00ed c\u00f2n t\u1ed1t h\u01a1n c\u1ea3 m\u1ed9t s\u1ed1 d\u1ecbch v\u1ee5 tr\u1ea3 ph\u00ed!<\/p>\n\n\n\n<p>PS: hi\u1ec7n <a href=\"https:\/\/kiencang.net\/automatic-platform-optimization-cloudflare\/\" target=\"_blank\" rel=\"noreferrer noopener\">Cloudflare cung c\u1ea5p th\u00eam t\u00ednh n\u0103ng Automatic Platform Optimization (APO)<\/a> v\u1edbi chi ph\u00ed th\u00e2n thi\u1ec7n ch\u1ec9 5$\/th\u00e1ng. B\u1ea1n kh\u00f4ng mu\u1ed1n d\u00f9ng g\u00f3i pro kh\u00e1 \u0111\u1eaft th\u00ec n\u00ean c\u00e2n nh\u1eafc d\u00f9ng APO, n\u00f3 l\u00e0 bi\u1ec7n ph\u00e1p t\u0103ng t\u1ed1c r\u1ea5t m\u1edbi &amp; r\u1ea5t t\u1ed1t c\u1ee7a Cloudflare (t\u01b0\u01a1ng t\u1ef1 <a href=\"https:\/\/kiencang.net\/cdn-quic-cloud\/\" target=\"_blank\" rel=\"noreferrer noopener\">QUIC cloud<\/a>).<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"10-d\u1ee9t-cap\"><span class=\"ez-toc-section\" id=\"10_Dut_cap\"><\/span>#10. \u0110\u1ee9t c\u00e1p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>N\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng hosting n\u01b0\u1edbc ngo\u00e0i, <a rel=\"noreferrer noopener\" href=\"https:\/\/canhme.com\/tin-tuc\/dut-cap-quang-bien\/\" target=\"_blank\">\u0111\u1ee9t c\u00e1p quang<\/a> s\u1ebd l\u00e0m website t\u1ea3i ch\u1eadm \u0111\u00e1ng k\u1ec3, th\u1eadm ch\u00ed kh\u00f4ng truy c\u1eadp \u0111\u01b0\u1ee3c. \u0110\u00e2y l\u00e0 nguy\u00ean nh\u00e2n \u0111\u00e1ng k\u1ec3 nh\u1ea5t l\u00e0m ch\u1eadm website m\u00e0 kh\u00f4ng c\u00f3 l\u1ed7i tr\u1ef1c ti\u1ebfp t\u1eeb ph\u00eda b\u1ea1n. V\u1ea5n \u0111\u1ec1 c\u1ee7a \u0111\u1ee9t c\u00e1p l\u00e0 n\u00f3 x\u1ea3y ra b\u1ea5t ng\u1edd, nhi\u1ec1u l\u1ea7n trong n\u0103m v\u00e0 c\u00f3 th\u1ec3 k\u00e9o d\u00e0i (c\u00f3 khi \u0111\u1ebfn c\u1ea3 th\u00e1ng).<\/p>\n\n\n\n<p>C\u00f3 hai gi\u1ea3i ph\u00e1p:<\/p>\n\n\n\n<ul>\n<li>S\u1eed d\u1ee5ng hosting trong n\u01b0\u1edbc;<\/li>\n\n\n\n<li>N\u1ebfu v\u1eabn s\u1eed d\u1ee5ng host n\u01b0\u1edbc ngo\u00e0i th\u00ec c\u1ea7n ph\u1ea3i t\u1ed1i \u01b0u th\u1eadt t\u1ed1t, ch\u1ecdn host \u1edf g\u1ea7n v\u00e0 n\u00ean t\u00edch h\u1ee3p CDN c\u00f3 m\u00e1y ch\u1ee7 \u1edf Vi\u1ec7t Nam .<\/li>\n<\/ul>\n\n\n\n<p>T\u1ea5t nhi\u00ean s\u1eed d\u1ee5ng host trong n\u01b0\u1edbc l\u00e0 gi\u1ea3i ph\u00e1p tri\u1ec7t \u0111\u1ec3 v\u00e0 n\u00f3i chung l\u00e0 ti\u1ebft ki\u1ec7m h\u01a1n. Tuy nhi\u00ean v\u00ec nhi\u1ec1u l\u00fd do kh\u00e1c nhau v\u1eabn c\u00f3 r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi th\u00edch s\u1eed d\u1ee5ng host n\u01b0\u1edbc ngo\u00e0i h\u01a1n (trong \u0111\u00f3 c\u00f3 t\u00f4i). <\/p>\n\n\n\n<p>\u01afu ti\u00ean ch\u1ecdn host \u1edf Singapore v\u00ec t\u00f4i th\u1ea5y t\u1ed1c \u0111\u1ed9 truy c\u1eadp v\u1ec1 Vi\u1ec7t Nam v\u1eabn r\u1ea5t nhanh ngay c\u1ea3 khi \u0111\u1ee9t c\u00e1p.<\/p>\n\n\n\n<p>CDN b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o d\u1ecbch v\u1ee5 c\u1ee7a <a href=\"https:\/\/kiencang.net\/huong-dan-su-dung-cdnsun\/\" target=\"_blank\" rel=\"noreferrer noopener\">CDNSun (c\u00f3 PoP \u1edf Vi\u1ec7t Nam)<\/a>, <a href=\"https:\/\/www.keycdn.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">KeyCDN<\/a> (qu\u1ed1c t\u1ebf), <a href=\"https:\/\/kiencang.net\/gioi-thieu-bunnycdn\/\" target=\"_blank\" rel=\"noreferrer noopener\">BunnyCDN<\/a> (qu\u1ed1c t\u1ebf v\u00e0 m\u1edbi c\u00f3 PoP \u1edf Vi\u1ec7t Nam), <a href=\"https:\/\/kiencang.net\/cdn-bizflycloud\/\" target=\"_blank\" rel=\"noreferrer noopener\">BizFly CDN<\/a> (Vi\u1ec7t Nam) ho\u1eb7c cao c\u1ea5p th\u00ec <a href=\"https:\/\/cloud.google.com\/cdn\" target=\"_blank\" rel=\"noreferrer noopener\">Google CDN<\/a> ho\u1eb7c <a href=\"https:\/\/aws.amazon.com\/vi\/cloudfront\/\" target=\"_blank\" rel=\"noreferrer noopener\">CloudFront c\u1ee7a Amazon<\/a>. Website c\u1ee7a b\u1ea1n s\u1ebd \u0111\u1ee1 ch\u1eadm \u0111i r\u1ea5t nhi\u1ec1u.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi nh\u1eefng ai s\u1eed d\u1ee5ng WordPress c\u00f3 th\u1ec3 c\u00e2n nh\u1eafc d\u00f9ng th\u00eam QUIC cloud \u0111\u1ec3 cache HTML, h\u1ecd c\u00f3 PoP \u1edf Vi\u1ec7t Nam n\u00ean trang c\u1ee7a b\u1ea1n s\u1ebd nhanh h\u01a1n \u0111\u00e1ng k\u1ec3, nh\u1ea5t l\u00e0 khi \u0111\u1ee9t c\u00e1p di\u1ec5n ra nghi\u00eam tr\u1ecdng.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"11-co-qua-nhi\u1ec1u-lien-k\u1ebft-chuy\u1ec3n-h\u01b0\u1edbng\"><span class=\"ez-toc-section\" id=\"11_Co_qua_nhieu_lien_ket_chuyen_huong\"><\/span>#11. C\u00f3 qu\u00e1 nhi\u1ec1u li\u00ean k\u1ebft chuy\u1ec3n h\u01b0\u1edbng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng kh\u00f4ng ph\u1ea3i l\u00e0 nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn, nh\u01b0ng n\u1ebfu b\u1ea1n t\u1eebng <a href=\"https:\/\/kiencang.net\/tach-gop-website\/\" target=\"_blank\" rel=\"noreferrer noopener\">chia t\u00e1ch website<\/a>, ho\u1eb7c thay \u0111\u1ed5i <a href=\"https:\/\/kiencang.net\/cau-truc-url-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u1ea5u tr\u00fac \u0111\u01b0\u1eddng d\u1eabn t\u0129nh (permalink)<\/a> th\u00ec \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 th\u00e0nh v\u1ea5n \u0111\u1ec1 khi c\u00e1c li\u00ean k\u1ebft n\u1ed9i b\u1ed9 v\u1eabn gi\u1eef c\u1ea5u tr\u00fac c\u0169, v\u00e0 ph\u1ea3i m\u1ea5t th\u1eddi gian <a href=\"https:\/\/kiencang.net\/chuyen-huong-301-seo\/\" target=\"_blank\" rel=\"noreferrer noopener\">chuy\u1ec3n h\u01b0\u1edbng 301<\/a> \u0111\u1ebfn \u0111\u01b0\u1eddng d\u1eabn m\u1edbi.<\/p>\n\n\n\n<p>C\u00e1ch kh\u1eafc ph\u1ee5c kh\u00f4ng ph\u1ee9c t\u1ea1p, b\u1ea1n t\u00ecm c\u00e1c \u0111\u01b0\u1eddng d\u1eabn chuy\u1ec3n h\u01b0\u1edbng v\u00e0 chuy\u1ec3n n\u00f3 v\u1ec1 \u0111\u00fang \u0111\u1ecba ch\u1ec9 l\u00e0 \u0111\u01b0\u1ee3c. Nh\u01b0 v\u1eady m\u1ed7i l\u1ea7n ng\u01b0\u1eddi \u0111\u1ecdc click h\u1ecd \u0111\u01b0\u1ee3c chuy\u1ec3n th\u1eb3ng \u0111\u1ebfn \u0111\u00edch cu\u1ed1i thay v\u00ec l\u00f2ng v\u00f2ng qua nhi\u1ec1u \u0111\u01b0\u1eddng. <\/p>\n\n\n\n<p>M\u1ed9t c\u00e1ch kh\u00e1 nhanh \u0111\u1ec3 l\u00e0m vi\u1ec7c n\u00e0y l\u00e0 s\u1eed d\u1ee5ng plugin ki\u1ec3u nh\u01b0 <a href=\"https:\/\/vi.wordpress.org\/plugins\/better-search-replace\/\" target=\"_blank\" rel=\"noreferrer noopener\">Better Replace Search<\/a> \u0111\u1ec3 thay t\u1ea5t c\u1ea3 c\u00e1c \u0111\u01b0\u1eddng d\u1eabn c\u0169 b\u1eb1ng \u0111\u01b0\u1eddng d\u1eabn m\u1edbi tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c trang.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"12-qu\u1ea3ng-cao\"><span class=\"ez-toc-section\" id=\"12_Quang_cao\"><\/span>#12. Qu\u1ea3ng c\u00e1o<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>N\u1ebfu trang b\u1ea1n c\u00f3 qu\u1ea3ng c\u00e1o c\u1ee7a b\u00ean th\u1ee9 ba, v\u00ed d\u1ee5 Adsense, th\u00ec n\u00f3 ch\u1eafc ch\u1eafn l\u00e0m ch\u1eadm website c\u1ee7a b\u1ea1n, v\u00ec l\u01b0\u1ee3ng t\u00e0i nguy\u00ean t\u1ea3i t\u1eeb qu\u1ea3ng c\u00e1o kh\u00f4ng h\u1ec1 nh\u1ecf. V\u1ea5n \u0111\u1ec1 c\u00f2n l\u1ea1i ch\u1ec9 l\u00e0, l\u00e0m th\u1ebf n\u00e0o ch\u00fang ta gi\u1ea3m t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c t\u1eeb vi\u1ec7c c\u00e0i qu\u1ea3ng c\u00e1o, v\u00ec b\u1ea3o g\u1ee1 \u0111i th\u00ec kh\u00f4ng \u0111\u01b0\u1ee3c r\u1ed3i, v\u00ec n\u00f3 th\u01b0\u1eddng l\u00e0 ngu\u1ed3n thu quan tr\u1ecdng!<\/p>\n\n\n\n<p>V\u1ec1 m\u1eb7t l\u00fd thuy\u1ebft b\u1ea1n c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft \u0111i\u1ec1u n\u00e0y b\u1eb1ng c\u00e1ch defer c\u00e1c file js c\u1ee7a nh\u00e0 qu\u1ea3ng c\u00e1o \u0111\u1ec3 n\u00f3 t\u1ea3i cu\u1ed1i sau khi c\u00e1c th\u00e0nh ph\u1ea7n quan tr\u1ecdng kh\u00e1c c\u1ee7a trang t\u1ea3i xong. C\u00e1ch n\u00e0y s\u1ebd t\u1ed1i \u01b0u cho t\u1ed1c \u0111\u1ed9 nh\u01b0ng c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n 2 nh\u01b0\u1ee3c \u0111i\u1ec3m: (1) qu\u1ea3ng c\u00e1o xu\u1ea5t hi\u1ec7n ch\u1eadm nh\u1ea5t tr\u00ean trang (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi doanh thu gi\u1ea3m), (2) s\u1ef1 xu\u1ea5t hi\u1ec7n ch\u1eadm c\u1ee7a c\u00e1c qu\u1ea3ng c\u00e1o d\u1ea1ng incontent c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 x\u00f4 l\u1ec7ch v\u1ec1 m\u1eb7t n\u1ed9i dung.<\/p>\n\n\n\n<p>\u1ede m\u1ed9t m\u1ee9c \u0111\u1ed9 n\u00e0o \u0111\u00f3 nh\u01b0\u1ee3c \u0111i\u1ec3m tr\u00ean kh\u1eafc ph\u1ee5c t\u01b0\u01a1ng \u0111\u1ed1i t\u1ed1t b\u1eb1ng c\u00e1ch \u0111\u1ec3 qu\u1ea3ng c\u00e1o \u1edf d\u01b0\u1edbi m\u00e0n h\u00ecnh \u0111\u1ea7u ti\u00ean, c\u00f3 th\u1ec3 doanh thu s\u1ebd gi\u1ea3m, nh\u01b0ng ch\u1eafc ch\u1eafn t\u1ed1c \u0111\u1ed9 v\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng s\u1ebd t\u1ed1t h\u01a1n. T\u00f9y m\u1ee5c ti\u00eau n\u00e0o quan tr\u1ecdng h\u01a1n m\u00e0 b\u1ea1n t\u00ecm ra \u0111i\u1ec3m c\u00e2n b\u1eb1ng h\u1ee3p l\u00fd.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bonus_CDN_chat_luong_thap_vs_bi_tan_cong_DDoS\"><\/span>#Bonus: CDN ch\u1ea5t l\u01b0\u1ee3ng th\u1ea5p vs b\u1ecb t\u1ea5n c\u00f4ng DDoS<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Ph\u1ea7n n\u00e0y b\u1ed5 sung th\u00eam ch\u00fat, v\u00ec n\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn, nh\u01b0ng v\u1eabn c\u00f3 th\u1ec3 x\u1ea3y ra.<\/p>\n\n\n\n<p>M\u1eb7c d\u00f9 CDN c\u00f3 c\u00f4ng d\u1ee5ng ch\u00ednh y\u1ebfu l\u00e0 c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 website, nh\u01b0ng c\u0169ng gi\u1ed1ng nh\u01b0 hosting, CDN kh\u00f4ng c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ed3ng \u0111\u1ec1u, nh\u1ea5t l\u00e0 \u1edf nh\u1eefng khu v\u1ef1c c\u00f4ng ngh\u1ec7 thu\u1ed9c v\u00f9ng \u01b0u ti\u00ean th\u1ea5p nh\u01b0 \u1edf Vi\u1ec7t Nam. CDN ch\u1ea5t l\u01b0\u1ee3ng th\u1ea5p th\u1ef1c s\u1ef1 g\u00e2y t\u00e1c d\u1ee5ng ng\u01b0\u1ee3c, bao g\u1ed3m c\u1ea3 t\u1ed1c \u0111\u1ed9 trang gi\u1ea3m \u0111i l\u1eabn uptime b\u1ecb \u1ea3nh h\u01b0\u1edfng x\u1ea5u. \u0110\u1ec3 tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng tr\u00ean b\u1ea1n n\u00ean <a href=\"https:\/\/kiencang.net\/cdn-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">l\u1ef1a ch\u1ecdn d\u1ecbch v\u1ee5 CDN th\u1eadt c\u1ea9n th\u1eadn<\/a>.<\/p>\n\n\n\n<p><a href=\"https:\/\/kiencang.net\/ddos-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">DDoS hay t\u1ea5n c\u00f4ng t\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5<\/a> th\u1eadm ch\u00ed l\u00e0 v\u1ea5n \u0111\u1ec1 c\u00f2n nghi\u00eam tr\u1ecdng h\u01a1n n\u1ebfu x\u1ea3y ra, v\u00ec vi\u1ec7c x\u1eed l\u00fd h\u1ebft s\u1ee9c ph\u1ee9c t\u1ea1p. T\u00f9y v\u00e0o quy m\u00f4 c\u1ee7a cu\u1ed9c t\u1ea5n c\u00f4ng, n\u00f3 s\u1ebd l\u00e0m website ch\u1eadm \u0111i \u00edt nhi\u1ec1u ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 gi\u00e1n \u0111o\u1ea1n lu\u00f4n. <\/p>\n\n\n\n<p>Kh\u1eafc ph\u1ee5c hi\u1ec7n t\u01b0\u1ee3ng DDoS kh\u00f4ng ph\u1ea3i l\u00e0 s\u1edf tr\u01b0\u1eddng c\u1ee7a t\u00f4i nh\u01b0ng v\u1ec1 c\u01a1 b\u1ea3n, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ed1ng kh\u00e1ng n\u00f3 \u1edf m\u1ee9c \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh b\u1eb1ng c\u00e1c gi\u1ea3i ph\u00e1p c\u1ee7a b\u00ean th\u1ee9 ba nh\u01b0 QUIC.cloud, Cloudflare (b\u1ea3n pro) ho\u1eb7c\/v\u00e0 c\u00e1c d\u1ecbch v\u1ee5 CDN, c\u00f9ng c\u00e1c k\u1ebft h\u1ee3p b\u1ea3o m\u1eadt c\u1ee7a control panel, c\u00f4ng ty cung c\u1ea5p d\u1ecbch v\u1ee5 hosting. <\/p>\n\n\n\n<p>Cu\u1ed1i c\u00f9ng, d\u1ef1a tr\u00ean ph\u00e1p lu\u1eadt c\u0169ng c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p h\u1eefu hi\u1ec7u, n\u1ebfu c\u00f4ng ty b\u1ea1n l\u00e0m \u0103n l\u01b0\u01a1ng thi\u1ec7n, v\u00e0 b\u1ea1n bi\u1ebft ai l\u00e0 ng\u01b0\u1eddi ph\u00e1 ho\u1ea1i, b\u1ea1n c\u00f3 th\u1ec3 ti\u1ebfn h\u00e0nh l\u1ef1a ch\u1ecdn bi\u1ec7n ph\u00e1p ngo\u00e0i c\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u1ec3 gi\u1ea3i quy\u1ebft tri\u1ec7t \u0111\u1ec3 v\u1ea5n \u0111\u1ec1.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"qua\"><span class=\"ez-toc-section\" id=\"Qua\"><\/span>#Qu\u00e0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>N\u1ebfu c\u00f3 \u0111i\u1ec1u ki\u1ec7n &amp; am hi\u1ec3u k\u1ef9 thu\u1eadt h\u01a1n m\u1ed9t ch\u00fat, h\u00e3y th\u1eed d\u1ecbch v\u1ee5 <a href=\"https:\/\/kiencang.net\/gioi-thieu-closte\/\" target=\"_blank\" rel=\"noreferrer noopener\">hosting c\u1ee7a Closte<\/a>, h\u1ecd d\u00f9ng Google Cloud, Google CDN v\u00e0 m\u00e1y ch\u1ee7 LiteSpeed Enterprise, \u0111em l\u1ea1i cho b\u1ea1n n\u1ec1n t\u1ea3ng r\u1ea5t m\u1ea1nh \u0111\u1ec3 c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 website. <\/p>\n\n\n\n<p>M\u1eb7c d\u00f9 thu\u1ed9c ph\u00e2n kh\u00fac cao c\u1ea5p v\u00e0 c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng \u0111\u00e1ng n\u1ec3, Closte r\u1ebb h\u01a1n nhi\u1ec1u so v\u1edbi c\u00e1c \u0111\u1ed1i th\u1ee7 c\u00f9ng \u0111\u1eb3ng c\u1ea5p nh\u01b0 <a href=\"https:\/\/kinsta.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Kinsta<\/a>, <a href=\"https:\/\/wpengine.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">WP Engine<\/a>.<\/p>\n\n\n\n<p>M\u1ed9t l\u1ef1a ch\u1ecdn kh\u00e1c c\u0169ng r\u1ea5t \u0111\u00e1ng c\u00e2n nh\u1eafc l\u00e0 <a href=\"https:\/\/rocket.net\/\" target=\"_blank\" rel=\"noreferrer noopener\">Rocket.net<\/a>, h\u1ecd s\u1eed d\u1ee5ng n\u1ec1n t\u1ea3ng cao c\u1ea5p c\u1ee7a Cloudflare \u0111em \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 \u0111\u00e1ng kinh ng\u1ea1c.<\/p>\n\n\n\n<p>V\u00e2ng, khi b\u1ea1n c\u00f3 kinh t\u1ebf th\u00ec d\u00f9ng ti\u1ec1n \u0111\u1ec3 mua th\u1eddi gian r\u1ea3nh r\u1ed7i l\u00e0 l\u1ef1a ch\u1ecdn th\u00f4ng minh. C\u00e1c hosting cao c\u1ea5p v\u1eeba nh\u1eafc s\u1ebd gi\u00fap b\u1ea1n ti\u1ebft ki\u1ec7m r\u1ea5t nhi\u1ec1u th\u1eddi gian ph\u1ea3i b\u1ecf ra \u0111\u1ec3 t\u00ecm hi\u1ec3u \u0111\u1ee7 th\u1ee9 c\u00f4ng ngh\u1ec7 ph\u1ee9c t\u1ea1p.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Website t\u1ea3i ch\u1eadm c\u00f3 r\u1ea5t nhi\u1ec1u nguy\u00ean nh\u00e2n, tuy nhi\u00ean trong b\u00e0i vi\u1ebft n\u00e0y t\u00f4i ch\u1ec9 t\u1eadp trung v\u00e0o c\u00e1c nguy\u00ean nh\u00e2n quan tr\u1ecdng nh\u1ea5t. N\u1ed9i dung ch\u1ee7 y\u1ebfu h\u01b0\u1edbng \u0111\u1ebfn nh\u1eefng ai d\u00f9ng WordPress, c\u00f2n ai d\u00f9ng h\u1ec7 qu\u1ea3n tr\u1ecb n\u1ed9i dung kh\u00e1c s\u1ebd v\u1eabn nh\u1eadn \u0111\u01b0\u1ee3c c\u00e1c l\u1ee3i \u00edch th\u1ef1c t\u1ebf, v\u00ec nguy\u00ean &hellip;<\/p>\n","protected":false},"author":1,"featured_media":21327,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[293],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>T\u1ea1i sao website t\u1ea3i ch\u1eadm: 12 nguy\u00ean nh\u00e2n &amp; c\u00e1ch kh\u1eafc ph\u1ee5c &#8226; Ki\u1ebfn c\u00e0ng<\/title>\n<meta name=\"description\" content=\"Website t\u1ea3i ch\u1eadm \u1ea3nh h\u01b0\u1edfng x\u1ea5u \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng, kh\u1eafc ph\u1ee5c n\u00f3 c\u1ea7n gi\u1ea3i ph\u00e1p t\u1ed5ng th\u1ec3 t\u1eeb hosting, giao di\u1ec7n, plugin, \u1ea3nh, CSS, JS, v\u00e2n v\u00e2n. T\u00f4i s\u1ebd ti\u1ebft l\u1ed9 t\u1ea5t c\u1ea3 trong b\u00e0i vi\u1ebft n\u00e0y.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kiencang.net\/website-cham\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"T\u1ea1i sao website t\u1ea3i ch\u1eadm: 12 nguy\u00ean nh\u00e2n &amp; c\u00e1ch kh\u1eafc ph\u1ee5c &#8226; Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"og:description\" content=\"Website t\u1ea3i ch\u1eadm \u1ea3nh h\u01b0\u1edfng x\u1ea5u \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng, kh\u1eafc ph\u1ee5c n\u00f3 c\u1ea7n gi\u1ea3i ph\u00e1p t\u1ed5ng th\u1ec3 t\u1eeb hosting, giao di\u1ec7n, plugin, \u1ea3nh, CSS, JS, v\u00e2n v\u00e2n. 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