{"id":14304,"date":"2022-08-05T12:42:00","date_gmt":"2022-08-05T05:42:00","guid":{"rendered":"https:\/\/kiencang.net\/?p=14304"},"modified":"2022-08-09T01:22:25","modified_gmt":"2022-08-08T18:22:25","slug":"website-uptime","status":"publish","type":"post","link":"https:\/\/kiencang.net\/website-uptime\/","title":{"rendered":"Duy tr\u00ec t\u00ednh li\u1ec1n m\u1ea1ch v\u00e0 \u1ed5n \u0111\u1ecbnh c\u1ee7a Website s\u1eed d\u1ee5ng WordPress"},"content":{"rendered":"\n<p>Website li\u1ec1n m\u1ea1ch v\u00e0 \u1ed5n \u0111\u1ecbnh l\u00e0 m\u1ed9t trong c\u00e1c y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t. Hosting c\u00f3 th\u1ec3 c\u00f3 c\u1ea5u h\u00ecnh trung b\u00ecnh nh\u01b0ng n\u00f3 c\u1ea7n ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh, li\u00ean t\u1ee5c trong th\u1eddi gian d\u00e0i v\u00e0 ph\u1ea3i hi\u1ebfm khi g\u1eb7p v\u1ea5n \u0111\u1ec1 gi\u00e1n \u0111o\u1ea1n (downtime).<\/p>\n\n\n\n<p><a href=\"https:\/\/kiencang.net\/website-cham\/\" target=\"_blank\" rel=\"noreferrer noopener\">Website ch\u1eadm t\u1ea5t nhi\u00ean l\u00e0 t\u1ec7<\/a>, nh\u01b0ng gi\u00e1n \u0111o\u1ea1n th\u1eadm ch\u00ed c\u00f2n t\u1ec7 h\u01a1n. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111\u01b0a ra c\u00e1c gi\u1ea3i ph\u00e1p \u0111\u1ec3 b\u1ea1n h\u1ea1n ch\u1ebf hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y.<\/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-6577d5f773339\" ><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-6577d5f773339\"  type=\"checkbox\" id=\"item-6577d5f773339\"><\/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-uptime\/#1_Theo_doi_Uptime_cua_website\" title=\"#1. Theo d\u00f5i Uptime c\u1ee7a website\">#1. Theo d\u00f5i Uptime c\u1ee7a website<\/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-uptime\/#2_Su_dung_DNS_on_dinh\" title=\"#2. S\u1eed d\u1ee5ng DNS \u1ed5n \u0111\u1ecbnh\">#2. S\u1eed d\u1ee5ng DNS \u1ed5n \u0111\u1ecbnh<\/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-uptime\/#3_Su_dung_CDN_khi_can_thiet\" title=\"#3. S\u1eed d\u1ee5ng CDN khi c\u1ea7n thi\u1ebft\">#3. S\u1eed d\u1ee5ng CDN khi c\u1ea7n thi\u1ebft<\/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-uptime\/#4_Luc_nao_cung_can_co_Backup\" title=\"#4. L\u00fac n\u00e0o c\u0169ng c\u1ea7n c\u00f3 Backup\">#4. L\u00fac n\u00e0o c\u0169ng c\u1ea7n c\u00f3 Backup<\/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-uptime\/#5_Su_dung_cong_cu_chuyen_host_nhanh_gon\" title=\"#5. S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 chuy\u1ec3n host nhanh g\u1ecdn\">#5. S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 chuy\u1ec3n host nhanh g\u1ecdn<\/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-uptime\/#6_Chon_hosting_chat_luong_cao\" title=\"#6. Ch\u1ecdn hosting ch\u1ea5t l\u01b0\u1ee3ng cao\">#6. Ch\u1ecdn hosting ch\u1ea5t l\u01b0\u1ee3ng cao<\/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-uptime\/#7_Don_dep_co_so_du_lieudatabase\" title=\"#7. D\u1ecdn d\u1eb9p c\u01a1 s\u1edf d\u1eef li\u1ec7u\/database\">#7. D\u1ecdn d\u1eb9p c\u01a1 s\u1edf d\u1eef li\u1ec7u\/database<\/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-uptime\/#8_Ket_luan\" title=\"#8. K\u1ebft lu\u1eadn\">#8. K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"1-theo-doi-uptime-c\u1ee7a-website\"><span class=\"ez-toc-section\" id=\"1_Theo_doi_Uptime_cua_website\"><\/span>#1. Theo d\u00f5i Uptime c\u1ee7a website<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Website b\u1ecb gi\u00e1n \u0111o\u1ea1n c\u00f3 r\u1ea5t nhi\u1ec1u nguy\u00ean nh\u00e2n, ch\u1eb3ng h\u1ea1n nh\u01b0:<\/p>\n\n\n\n<ul><li>Website t\u0103ng l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ed9t bi\u1ebfn;<\/li><li>Web c\u00f3 t\u00e1c v\u1ee5 n\u1ec1n \u0111\u1eb7c bi\u1ec7t (v\u00ed d\u1ee5 backup) l\u00e0m gia t\u0103ng b\u1ea5t th\u01b0\u1eddng RAM, CPU, I\/O usage, Bandwidth g\u00e2y qu\u00e1 t\u1ea3i;<\/li><li>Hosting nh\u00e0 cung c\u1ea5p g\u1eb7p v\u1ea5n \u0111\u1ec1;<\/li><li>C\u00e1c trang web kh\u00e1c trong h\u1ec7 th\u1ed1ng s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean qu\u00e1 m\u1ee9c (v\u00ed d\u1ee5 tr\u00ean <a href=\"https:\/\/kiencang.net\/shared-hosting-la-gi\/\">shared hosting<\/a>);<\/li><li>DNS c\u00f3 v\u1ea5n \u0111\u1ec1 (\u0111i\u1ec1u r\u1ea5t hi\u1ebfm g\u1eb7p nh\u01b0ng kh\u00f4ng ph\u1ea3i kh\u00f4ng c\u00f3);<\/li><li>V\u00e2n v\u00e2n.<\/li><\/ul>\n\n\n\n<p>Nh\u01b0ng tr\u01b0\u1edbc khi bi\u1ebft nguy\u00ean nh\u00e2n l\u00e0 g\u00ec, th\u00ec b\u1ea1n ph\u1ea3i nh\u1eadn bi\u1ebft \u0111\u01b0\u1ee3c website b\u1ecb gi\u00e1n \u0111o\u1ea1n \u0111\u00e3. Ch\u00fang ta kh\u00f4ng th\u1ec3 c\u1ea3 ng\u00e0y ng\u1ed3i b\u00ean m\u00e1y t\u00ednh nh\u1ea5n F5 \u0111\u1ec3 ki\u1ec3m tra \u0111\u01b0\u1ee3c, v\u00e0 c\u0169ng kh\u00f4ng n\u1ed5i ti\u1ebfng \u0111\u1ebfn m\u1ee9c, b\u1ecb gi\u00e1n \u0111o\u1ea1n l\u00e0 ng\u01b0\u1eddi d\u00f9ng c\u1eadp nh\u1eadt l\u00ean m\u1ea1ng x\u00e3 h\u1ed9i ho\u1eb7c email b\u00e1o cho bi\u1ebft. C\u00e1ch t\u1ed1t nh\u1ea5t l\u00e0 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 t\u1ef1 \u0111\u1ed9ng theo d\u00f5i uptime c\u1ee7a trang.<\/p>\n\n\n\n<p>C\u00f3 m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 c\u1ea7n l\u01b0u \u00fd:<\/p>\n\n\n\n<ul><li>Intervals n\u00f3i chung c\u00e0ng ng\u1eafn c\u00e0ng t\u1ed1t. Intervals ch\u00ednh l\u00e0 kho\u1ea3ng th\u1eddi gian m\u00e0 h\u1ec7 th\u1ed1ng s\u1ebd ki\u1ec3m tra website c\u1ee7a b\u1ea1n m\u1ed9t l\u1ea7n. C\u00f3 th\u1ec3 l\u00e0 5 ph\u00fat m\u1ed9t l\u1ea7n, 1 ph\u00fat m\u1ed9t l\u1ea7n, 30s m\u1ed9t l\u1ea7n hay th\u1eadm ch\u00ed l\u00e0 15s m\u1ed9t l\u1ea7n. Nh\u00ecn chung 30s \u0111\u1ebfn 1 ph\u00fat m\u1ed9t l\u1ea7n l\u00e0 OK trong ph\u1ea7n l\u1edbn tr\u01b0\u1eddng h\u1ee3p. C\u00f3 nhi\u1ec1u d\u1ecbch v\u1ee5 mi\u1ec5n ph\u00ed ki\u1ec3m tra uptime v\u1edbi interval l\u00e0 5 ph\u00fat;<\/li><li>B\u1ea3ng th\u1ed1ng k\u00ea n\u00ean k\u1ebft h\u1ee3p v\u1edbi t\u00ean mi\u1ec1n t\u00f9y ch\u1ec9nh \u0111\u1ec3 b\u1ea1n d\u1ec5 d\u00e0ng theo d\u00f5i m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i \u0111\u0103ng nh\u1eadp v\u00e0o h\u1ec7 th\u1ed1ng theo d\u00f5i uptime, tuy nhi\u00ean c\u00e1i n\u00e0y th\u01b0\u1eddng tr\u1ea3 ph\u00ed m\u1edbi d\u00f9ng \u0111\u01b0\u1ee3c ho\u1eb7c mi\u1ec5n ph\u00ed th\u00ec ch\u1ec9 gi\u1edbi h\u1ea1n m\u1ed9t website;<\/li><li>N\u1ebfu n\u00f3 k\u1ebft h\u1ee3p \u0111\u01b0\u1ee3c v\u1edbi vi\u1ec7c theo d\u00f5i <a href=\"https:\/\/kiencang.net\/ttfb-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">th\u1eddi gian ph\u1ea3n h\u1ed3i c\u1ee7a m\u00e1y ch\u1ee7 (c\u00f2n g\u1ecdi l\u00e0 TTFB)<\/a> n\u1eefa l\u00e0 t\u1ed1t nh\u1ea5t, th\u1eddi gian ph\u1ea3n h\u1ed3i t\u0103ng b\u1ea5t th\u01b0\u1eddng l\u00e0 d\u1ea5u hi\u1ec7u cho th\u1ea5y website b\u1ecb ch\u1eadm \u0111i v\u00e0 hosting (ho\u1eb7c website) c\u00f3 th\u1ec3 g\u1eb7p v\u1ea5n \u0111\u1ec1 n\u00e0o \u0111\u00f3.<\/li><\/ul>\n\n\n\n<p>\u0110\u1ec3 t\u00ecm c\u00f4ng c\u1ee5 th\u00edch h\u1ee3p, b\u1ea1n h\u00e3y t\u00ecm ki\u1ebfm t\u1eeb kh\u00f3a &#8220;check website uptime&#8221; ho\u1eb7c tham kh\u1ea3o <a href=\"https:\/\/kiencang.net\/theo-doi-up-time-website\/\" target=\"_blank\" rel=\"noreferrer noopener\">m\u1ed9t s\u1ed1 d\u1ecbch v\u1ee5 ki\u1ec3m tra uptime \u1edf b\u00e0i vi\u1ebft n\u00e0y<\/a>.<\/p>\n\n\n\n<p><strong>Kh\u00f3 kh\u0103n c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i<\/strong>:<\/p>\n\n\n\n<ul><li>\u0110a s\u1ed1 d\u1ecbch v\u1ee5 check Uptime l\u00e0 d\u1ea1ng freemium, t\u1ee9c l\u00e0 mi\u1ec5n ph\u00ed nh\u01b0ng k\u00e8m gi\u1edbi h\u1ea1n, mu\u1ed1n ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t h\u01a1n th\u00ec c\u1ea7n tr\u1ea3 ph\u00ed, nh\u01b0ng c\u0169ng kh\u00f4ng t\u1ed1n l\u1eafm n\u1ebfu website c\u1ee7a b\u1ea1n l\u00e0 d\u1ea1ng th\u01b0\u01a1ng m\u1ea1i (ho\u1eb7c b\u1ea1n c\u00f3 r\u1ea5t nhi\u1ec1u website), t\u1ea7m t\u1eeb 5$ &#8211; 10$\/th\u00e1ng. N\u1ebfu b\u1ea1n mu\u1ed1n d\u1ecbch v\u1ee5 free c\u00f3 th\u1ec3 th\u1eed <a href=\"https:\/\/www.freshworks.com\/website-monitoring\/\" target=\"_blank\" rel=\"noreferrer noopener\">Freshworks<\/a> ho\u1eb7c <a href=\"https:\/\/wordpress.org\/plugins\/jetpack\/\" target=\"_blank\" rel=\"noreferrer noopener\">plugin JetPack<\/a> (c\u00f4ng c\u1ee5 \u01b0a th\u00edch c\u1ee7a t\u00f4i).<\/li><\/ul>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"2-s\u1eed-d\u1ee5ng-dns-\u1ed5n-d\u1ecbnh\"><span class=\"ez-toc-section\" id=\"2_Su_dung_DNS_on_dinh\"><\/span>#2. S\u1eed d\u1ee5ng DNS \u1ed5n \u0111\u1ecbnh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"https:\/\/kiencang.net\/dns-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">DNS l\u00e0 d\u1ecbch v\u1ee5 ph\u00e2n gi\u1ea3i t\u00ean mi\u1ec1n<\/a>. Tr\u01b0\u1edbc khi ng\u01b0\u1eddi d\u00f9ng th\u1ea5y \u0111\u01b0\u1ee3c n\u1ed9i dung c\u1ee7a b\u1ea1n, tr\u00ecnh duy\u1ec7t ph\u1ea3i h\u1ecfi DNS \u0111\u1ecba ch\u1ec9 IP hosting c\u1ee7a t\u00ean mi\u1ec1n l\u00e0 g\u00ec.<\/p>\n\n\n\n<p>Th\u00f4ng th\u01b0\u1eddng ch\u00fang ta hay s\u1eed d\u1ee5ng DNS c\u1ee7a nh\u00e0 cung c\u1ea5p t\u00ean mi\u1ec1n, ti\u1ebfp theo l\u00e0 DNS c\u1ee7a d\u1ecbch v\u1ee5 hosting, tuy nhi\u00ean c\u1ea3 hai th\u01b0\u1eddng g\u1eb7p (m\u1ed9t s\u1ed1) v\u1ea5n \u0111\u1ec1:<\/p>\n\n\n\n<ul><li>Th\u1eddi gian ph\u1ea3n h\u1ed3i kh\u00f4ng \u0111\u01b0\u1ee3c nhanh;<\/li><li>C\u1eadp nh\u1eadt c\u00e1c b\u1ea3n ghi ch\u1eadm (\u0111\u00e2y l\u00e0 v\u1ea5n \u0111\u1ec1 ch\u00ednh, b\u1ea1n s\u1ebd th\u1ea5y <a href=\"https:\/\/kiencang.net\/chuyen-host-website-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">r\u1eafc r\u1ed1i n\u00e0y khi \u0111\u1ed5i hosting<\/a>);<\/li><li>Uptime c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c gi\u00e1 tr\u1ecb mong \u0111\u1ee3i, \u0111\u1eb7c bi\u1ec7t l\u00e0 DNS c\u1ee7a hosting.<\/li><\/ul>\n\n\n\n<p>DNS l\u00e0 d\u1ecbch v\u1ee5 t\u01b0\u01a1ng \u0111\u1ed1i \u1ed5n \u0111\u1ecbnh, ngay c\u1ea3 tr\u01b0\u1eddng h\u1ee3p b\u1ecb gi\u00e1n \u0111o\u1ea1n, th\u01b0\u1eddng c\u0169ng kh\u00f4ng k\u00e9o d\u00e0i qu\u00e1 v\u00e0i ti\u1ebfng (ph\u1ed5 bi\u1ebfn l\u00e0 do b\u1ecb t\u1ea5n c\u00f4ng), tuy nhi\u00ean n\u1ebfu c\u00f3 \u0111\u01b0\u1ee3c d\u1ecbch v\u1ee5 DNS c\u1ea3 n\u0103m kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n ho\u1eb7c c\u00f3 b\u1ecb c\u0169ng ch\u1ec9 v\u00e0i ph\u00fat th\u00ec t\u1ea1i sao ch\u00fang ta kh\u00f4ng d\u00f9ng.<\/p>\n\n\n\n<p>\u00dd t\u00f4i mu\u1ed1n n\u00f3i \u0111\u1ebfn d\u1ecbch v\u1ee5 DNS trung gian. N\u00f3 c\u00f3 c\u1ea3 d\u1ecbch v\u1ee5 tr\u1ea3 ph\u00ed v\u00e0 mi\u1ec5n ph\u00ed.<\/p>\n\n\n\n<p>B\u1ea1n c\u00f3 th\u1ec3 theo d\u00f5i t\u1ed1c \u0111\u1ed9 v\u00e0 uptime c\u1ee7a c\u00e1c d\u1ecbch v\u1ee5 DNS ph\u1ed5 bi\u1ebfn (bao g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c ki\u1ec3u DNS) \u1edf li\u00ean k\u1ebft n\u00e0y: <a href=\"https:\/\/www.dnsperf.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">dnsperf.com<\/a> &#8211; c\u00f3 th\u1ec3 thay \u0111\u1ed5i theo khu v\u1ef1c \u0111\u1ec3 bi\u1ebft t\u1ed1c \u0111\u1ed9\/uptime c\u1ee7a t\u1eebng n\u01a1i, ch\u1eb3ng h\u1ea1n ch\u1ecdn Asia \u0111\u1ec3 bi\u1ebft ch\u1ea5t l\u01b0\u1ee3ng DNS \u1edf khu v\u1ef1c ch\u00e2u \u00c1 ra sao.<\/p>\n\n\n\n<p>\u1ede th\u1eddi \u0111i\u1ec3m hi\u1ec7n t\u1ea1i <a href=\"https:\/\/www.cloudflare.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">CloudFlare<\/a> l\u00e0 d\u1ecbch v\u1ee5 DNS mi\u1ec5n ph\u00ed r\u1ea5t t\u1ed1t c\u1ea3 \u1edf kh\u00eda c\u1ea1nh t\u1ed1c \u0111\u1ed9 l\u1eabn \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh. Theo th\u1ed1ng k\u00ea n\u00f3 th\u1eadm ch\u00ed c\u00f2n v\u01b0\u1ee3t m\u1ed9t s\u1ed1 d\u1ecbch v\u1ee5 tr\u1ea3 ph\u00ed.<\/p>\n\n\n<div class=\"wp-block-image wp-image-14313 size-full\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"830\" height=\"542\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2020\/01\/toc-do-DNS-chau-A.png\" alt=\"T\u1ed1c \u0111\u1ed9 DNS \u1edf khu v\u1ef1c Ch\u00e2u \u00c1\" class=\"wp-image-14313\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2020\/01\/toc-do-DNS-chau-A.png 830w, https:\/\/kiencang.net\/wp-content\/uploads\/2020\/01\/toc-do-DNS-chau-A-300x196.png 300w, https:\/\/kiencang.net\/wp-content\/uploads\/2020\/01\/toc-do-DNS-chau-A-768x502.png 768w, https:\/\/kiencang.net\/wp-content\/uploads\/2020\/01\/toc-do-DNS-chau-A-585x382.png 585w\" sizes=\"(max-width: 830px) 100vw, 830px\" \/><figcaption>CloudFlare nhi\u1ec1u th\u00e1ng li\u1ec1n l\u00e0 d\u1ecbch v\u1ee5 DNS c\u00f3 t\u1ed1c \u0111\u1ed9 cao nh\u1ea5t, uptime c\u1ee7a n\u00f3 c\u0169ng thu\u1ed9c h\u00e0ng top \u0111\u1ea7u<\/figcaption><\/figure><\/div>\n\n\n<p>R\u1ea5t nhi\u1ec1u website l\u1edbn nh\u1ecf d\u00f9ng DNS c\u1ee7a CloudFlare, ch\u1eb3ng h\u1ea1n <code>canhme.com<\/code>, <code>thachpham.com<\/code>, <code>backlinko.com<\/code>, <code>moz.com<\/code> v\u00e0 c\u00f3 c\u1ea3 <code>kiencang.net<\/code><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"667\" height=\"306\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2020\/01\/backlinko-DNS.png\" alt=\"Backlinko d\u00f9ng DNS c\u1ee7a CloudFlare\" class=\"wp-image-14314\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2020\/01\/backlinko-DNS.png 667w, https:\/\/kiencang.net\/wp-content\/uploads\/2020\/01\/backlinko-DNS-300x138.png 300w, https:\/\/kiencang.net\/wp-content\/uploads\/2020\/01\/backlinko-DNS-585x268.png 585w\" sizes=\"(max-width: 667px) 100vw, 667px\" \/><\/figure><\/div>\n\n\n<p>B\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra website n\u00e0o \u0111\u1ea5y d\u00f9ng DNS server \u1edf \u0111\u00e2u b\u1eb1ng c\u00e1ch v\u00e0o website: <a href=\"https:\/\/mxtoolbox.com\/NetworkTools.aspx\" target=\"_blank\" rel=\"noreferrer noopener\">mxtoolbox.com<\/a> v\u00e0o ph\u1ea7n DNS v\u00e0 g\u00f5 t\u00ean mi\u1ec1n v\u00e0o \u00f4 nh\u01b0 h\u00ecnh d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"677\" height=\"357\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2020\/01\/kiem-tra-DNS-server.png\" alt=\"ki\u1ec3m tra DNS server\" class=\"wp-image-14315\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2020\/01\/kiem-tra-DNS-server.png 677w, https:\/\/kiencang.net\/wp-content\/uploads\/2020\/01\/kiem-tra-DNS-server-300x158.png 300w, https:\/\/kiencang.net\/wp-content\/uploads\/2020\/01\/kiem-tra-DNS-server-585x308.png 585w\" sizes=\"(max-width: 677px) 100vw, 677px\" \/><\/figure><\/div>\n\n\n<p>Ngo\u00e0i trang tr\u00ean, b\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng trang n\u00e0y \u0111\u1ec3 ki\u1ec3m tra DNS: <a href=\"https:\/\/dnschecker.org\/ns-lookup.php\" target=\"_blank\" rel=\"noreferrer noopener\">dnschecker.org\/ns-lookup.php<\/a><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"681\" height=\"359\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2020\/01\/kiem-tra-dns-server-1.png\" alt=\"ki\u1ec3m tra DNS server\" class=\"wp-image-14545\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2020\/01\/kiem-tra-dns-server-1.png 681w, https:\/\/kiencang.net\/wp-content\/uploads\/2020\/01\/kiem-tra-dns-server-1-300x158.png 300w, https:\/\/kiencang.net\/wp-content\/uploads\/2020\/01\/kiem-tra-dns-server-1-585x308.png 585w\" sizes=\"(max-width: 681px) 100vw, 681px\" \/><\/figure><\/div>\n\n\n<p>\u1ede Vi\u1ec7t Nam, t\u00f4i th\u1ea5y m\u1ed9t s\u1ed1 doanh nghi\u1ec7p tr\u1ef1c tuy\u1ebfn l\u1edbn s\u1eed d\u1ee5ng DNS c\u00f3 ph\u00ed c\u1ee7a Amazon, c\u00f3 t\u00ean <a href=\"https:\/\/aws.amazon.com\/vi\/route53\/\" target=\"_blank\" rel=\"noreferrer noopener\">Amazon Route 53<\/a> &#8211; \u0111\u00e2y c\u0169ng l\u00e0 d\u1ecbch v\u1ee5 DNS c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t.<\/p>\n\n\n\n<p>Tr\u01b0\u1eddng h\u1ee3p nghi\u00eam tr\u1ecdng nh\u1ea5t li\u00ean quan \u0111\u1ebfn DNS l\u00e0 b\u1ecb t\u1ea5n c\u00f4ng v\u00e0 tr\u1ecf h\u01b0\u1edbng \u0111\u1ebfn trang web ho\u1eb7c n\u1ed9i dung kh\u00e1c. M\u1ed9t trong nh\u1eefng v\u00ed d\u1ee5 d\u1ec5 nh\u1edb nh\u1ea5t l\u00e0 n\u0103m 2015, <a href=\"https:\/\/news.zing.vn\/dns-bi-tan-cong-khien-trang-chu-google-viet-nam-te-liet-post514974.html\" target=\"_blank\" rel=\"noreferrer noopener\">trang ch\u1ee7 Google t\u00ecm ki\u1ebfm Vi\u1ec7t Nam b\u1ecb hacker t\u1ea5n c\u00f4ng<\/a> DNS. Tuy nhi\u00ean h\u1ea7u nh\u01b0 ch\u1ec9 c\u00e1c website n\u1ed5i ti\u1ebfng l\u00e0 b\u1ecb t\u1ea5n c\u00f4ng theo c\u00e1ch n\u00e0y, c\u00f2n website c\u00f2m c\u00f2m nh\u01b0 \u0111a s\u1ed1 ch\u00fang ta th\u00ec hi\u1ebfm ai \u0111\u1ec3 \u00fd.<\/p>\n\n\n\n<p><strong>Kh\u00f3 kh\u0103n c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i<\/strong>:<\/p>\n\n\n\n<ul><li>B\u1ea1n c\u00f3 th\u1ec3 kh\u00f4ng quen v\u1edbi vi\u1ec7c ch\u1ec9nh s\u1eeda c\u00e1c b\u1ea3n ghi A, CNAME, v\u00e2n v\u00e2n trong DNS. H\u00e3y nh\u1edd ng\u01b0\u1eddi c\u00f3 chuy\u00ean m\u00f4n n\u1ebfu c\u1ea7n. Ho\u1eb7c b\u1ea1n c\u00f3 th\u1ec3 t\u1ef1 h\u1ecdc, v\u00ec n\u00f3 kh\u00f4ng kh\u00f3, ch\u1ec9 c\u1ea7n hi\u1ec3u c\u0103n b\u1ea3n l\u00e0 t\u1ef1 l\u00e0m \u0111\u01b0\u1ee3c. D\u00f9 sao n\u1ebfu b\u1ea1n t\u00ecm \u0111\u1ecdc nh\u1eefng b\u00e0i nh\u01b0 th\u1ebf n\u00e0y th\u00ec t\u00f4i tin l\u00e0 b\u1ea1n t\u1ef1 t\u00ecm hi\u1ec3u \u0111\u01b0\u1ee3c \ud83d\ude09<\/li><\/ul>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"3-s\u1eed-d\u1ee5ng-cdn-khi-c\u1ea7n-thi\u1ebft\"><span class=\"ez-toc-section\" id=\"3_Su_dung_CDN_khi_can_thiet\"><\/span>#3. S\u1eed d\u1ee5ng CDN khi c\u1ea7n thi\u1ebft<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>M\u1ed9t trong c\u00e1c l\u00fd do h\u00e0ng \u0111\u1ea7u g\u00e2y gi\u00e1n \u0111o\u1ea1n website l\u00e0 n\u00f3 b\u1ecb qu\u00e1 t\u1ea3i. Ch\u1eb3ng h\u1ea1n hosting c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng \u0111\u01b0\u1ee3c 200 ng\u01b0\u1eddi truy c\u1eadp \u0111\u1ed3ng th\u1eddi, b\u1ed7ng m\u1ed9t h\u00f4m ai \u0111\u00f3 chia s\u1ebb n\u1ed9i dung h\u1ea5p d\u1eabn c\u1ee7a b\u1ea1n l\u00ean Facebook ho\u1eb7c di\u1ec5n \u0111\u00e0n n\u00e0o \u0111\u00f3, r\u1ed3i n\u00f3 nh\u1eadn \u0111\u01b0\u1ee3c h\u00e0ng ng\u00e0n truy c\u1eadp \u0111\u1ed3ng th\u1eddi. K\u1ebft qu\u1ea3 website b\u1ecb downtime (ph\u00fac l\u1ea1i th\u00e0nh h\u1ecda!).<\/p>\n\n\n\n<p>CDN s\u1ebd gi\u00fap kh\u1eafc ph\u1ee5c (ho\u1eb7c \u00edt nh\u1ea5t l\u00e0 h\u1ea1n ch\u1ebf) hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y (t\u00ecm hi\u1ec3u <a href=\"https:\/\/kiencang.net\/cdn-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">CDN l\u00e0 g\u00ec \u1edf \u0111\u00e2y<\/a>), v\u00ec n\u00f3 s\u1ebd ph\u1ee5c v\u1ee5 c\u00e1c t\u00e0i nguy\u00ean t\u0129nh nh\u01b0 \u1ea3nh, CSS v\u00e0 JS qua m\u00e1y ch\u1ee7 ph\u00e2n t\u00e1n; host c\u1ee7a b\u1ea1n ch\u1ec9 ph\u1ea3i ph\u1ee5c v\u1ee5 ng\u01b0\u1eddi d\u00f9ng file HTML qua \u0111\u00f3 gi\u1ea3m t\u1ea3i \u0111i r\u1ea5t nhi\u1ec1u cho host g\u1ed1c.<\/p>\n\n\n\n<p>\u01afu \u0111i\u1ec3m c\u1ee7a CDN l\u00e0 n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng g\u1ea7n nh\u01b0 v\u00f4 t\u1eadn. T\u1ee9c l\u00e0 website c\u1ee7a b\u1ea1n \u0111\u1ed9t ng\u1ed9t t\u0103ng l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp l\u00ean 10 hay 100 l\u1ea7n kh\u00f4ng th\u00e0nh v\u1ea5n \u0111\u1ec1 v\u1edbi CDN, n\u00f3 v\u1eabn \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c (h\u1ec7 th\u1ed1ng CDN g\u1ed3m r\u1ea5t nhi\u1ec1u m\u00e1y ch\u1ee7 li\u00ean k\u1ebft v\u1edbi nhau, m\u1ed9t m\u00e1y ch\u1ee7 c\u00f3 v\u1ea5n \u0111\u1ec1, d\u1eef li\u1ec7u s\u1ebd \u0111\u01b0\u1ee3c chuy\u1ec3n h\u01b0\u1edbng sang m\u00e1y ch\u1ee7 kh\u00e1c \u0111ang ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng).<\/p>\n\n\n\n<p>M\u1ed9t s\u1ed1 d\u1ecbch v\u1ee5 CDN c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t:<\/p>\n\n\n\n<ul><li><a href=\"https:\/\/kiencang.net\/gioi-thieu-bunnycdn\/\" target=\"_blank\" rel=\"noreferrer noopener\">BunnyCDN<\/a> (gi\u00e1 r\u1ebb, nhanh, nhi\u1ec1u t\u00ednh n\u0103ng, <a href=\"https:\/\/kiencang.net\/cache-hit-ratio\/\" target=\"_blank\" rel=\"noreferrer noopener\">cache hit ratio<\/a> cao, c\u00f3 PoP \u1edf Vi\u1ec7t Nam- t\u00f4i khuy\u00ean d\u00f9ng b\u1ea1n n\u00e0y);<\/li><li><a href=\"https:\/\/www.keycdn.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">KeyCDN<\/a> (c\u0169ng thu\u1ed9c h\u00e0ng top \u0111\u1ea7u trong m\u1ea3ng CDN, nh\u01b0ng gi\u00e1 ch\u00e1t);<\/li><li><a href=\"https:\/\/cdnsun.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">CDNSun<\/a> (c\u00f3 PoP \u1edf Vi\u1ec7t Nam, tham kh\u1ea3o th\u00eam <a href=\"https:\/\/kiencang.net\/huong-dan-su-dung-cdnsun\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e1ch s\u1eed d\u1ee5ng \u1edf \u0111\u00e2y<\/a>).<\/li><\/ul>\n\n\n<div class=\"wp-block-image wp-image-14316 size-full\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"539\" height=\"483\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2020\/01\/bang-gia-BunnyCDN.png\" alt=\"B\u1ea3ng gi\u00e1 c\u1ee7a BunnyCDN\" class=\"wp-image-14316\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2020\/01\/bang-gia-BunnyCDN.png 539w, https:\/\/kiencang.net\/wp-content\/uploads\/2020\/01\/bang-gia-BunnyCDN-300x269.png 300w\" sizes=\"(max-width: 539px) 100vw, 539px\" \/><figcaption>Trong c\u00e1c d\u1ecbch v\u1ee5 CDN tr\u1ea3 ph\u00ed, BunnyCDN n\u1eb1m trong nh\u00f3m c\u00f3 gi\u00e1 h\u1ea5p d\u1eabn nh\u1ea5t, trong khi ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5 v\u1eabn t\u1ed1t<\/figcaption><\/figure><\/div>\n\n\n<p>N\u1ebfu s\u1eed d\u1ee5ng CDN tr\u1ea3 ph\u00ed l\u00e0 tr\u1edf ng\u1ea1i v\u1edbi b\u1ea1n, h\u00e3y tham kh\u1ea3o nhi\u1ec1u d\u1ecbch v\u1ee5 CDN mi\u1ec5n ph\u00ed c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng \u1ed5n trong b\u00e0i vi\u1ebft n\u00e0y: <a href=\"https:\/\/kiencang.net\/giam-tai-cho-host-yeu\/\" target=\"_blank\" rel=\"noreferrer noopener\">kiencang.net\/giam-tai-cho-host-yeu\/<\/a><\/p>\n\n\n\n<p>\u0110\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i b\u1ea1n n\u00ean k\u1ebft h\u1ee3p v\u1edbi plugin Cache + <a href=\"https:\/\/kiencang.net\/plugin-flying-images\/\" target=\"_blank\" rel=\"noreferrer noopener\">lazy load \u1ea3nh<\/a> (khi ph\u00f9 h\u1ee3p, v\u00ed d\u1ee5 khi trang c\u1ee7a b\u1ea1n c\u00f3 nhi\u1ec1u \u1ea3nh).<\/p>\n\n\n\n<p><strong>Kh\u00f3 kh\u0103n c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i<\/strong>:<\/p>\n\n\n\n<ul><li>Tri\u1ec3n khai CDN ho\u00e0n ch\u1ec9nh, kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn SEO, t\u1ed1i \u01b0u nhi\u1ec1u th\u00e0nh ph\u1ea7n kh\u00e1c c\u00f3 th\u1ec3 m\u1ea5t th\u1eddi gian t\u00ecm hi\u1ec3u. B\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ecdc b\u00e0i vi\u1ebft sau \u0111\u1ec3 bi\u1ebft v\u1ec1 nh\u1eefng r\u1eafc r\u1ed1i c\u00f3 th\u1ec3 x\u1ea3y ra c\u0169ng nh\u01b0 c\u00e1ch kh\u1eafc ph\u1ee5c: <a href=\"https:\/\/kiencang.net\/rac-roi-cdn\/\" target=\"_blank\" rel=\"noreferrer noopener\">kiencang.net\/rac-roi-cdn\/<\/a><\/li><li>BunnyCDN hi\u1ec7n l\u00e0 d\u1ecbch v\u1ee5 CDN m\u00e0 t\u00f4i cho l\u00e0 r\u1ea5t ti\u1ec7n cho c\u1ea3 nh\u1eefng ng\u01b0\u1eddi kh\u00f4ng qu\u00e1 am hi\u1ec3u v\u1ec1 c\u00f4ng ngh\u1ec7, c\u00e1c c\u00e0i \u0111\u1eb7t c\u1ee7a n\u00f3 ch\u1ec9 l\u00e0 g\u1ea1t n\u00fat t\u1eeb tr\u00e1i sang ph\u1ea3i, b\u1ea1n kh\u00f4ng c\u1ea7n am hi\u1ec3u v\u1ec1 code \u0111\u1ec3 s\u1eed d\u1ee5ng n\u00f3 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ea1t hi\u1ec7u su\u1ea5t t\u1ed1t nh\u1ea5t.<\/li><\/ul>\n\n\n\n<p>M\u1ed9t s\u1ed1 plugin v\u00e0 d\u1ecbch v\u1ee5 CDN th\u00edch h\u1ee3p s\u1ebd gi\u00fap b\u1ea1n t\u00edch h\u1ee3p \u0111\u01a1n gi\u1ea3n v\u00e0 d\u1ec5 d\u00e0ng h\u01a1n r\u1ea5t nhi\u1ec1u c\u00e1c s\u1ea3n ph\u1ea9m kh\u00e1c.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"4-luc-nao-cung-c\u1ea7n-co-backup\"><span class=\"ez-toc-section\" id=\"4_Luc_nao_cung_can_co_Backup\"><\/span>#4. L\u00fac n\u00e0o c\u0169ng c\u1ea7n c\u00f3 Backup<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>T\u1ea1i sao b\u1ea1n c\u1ea7n b\u1ea3o hi\u1ec3m y t\u1ebf? \u0110\u1ec3 khi \u1ed1m b\u1ec7nh n\u1eb7ng b\u1ea1n ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u chi ph\u00ed so v\u1edbi s\u1ed1 ti\u1ec1n b\u1ea3o hi\u1ec3m \u0111\u00f3ng h\u00e0ng n\u0103m.<\/p>\n\n\n\n<p>Backup c\u0169ng nh\u01b0 v\u1eady. N\u00f3 l\u01b0u tr\u1eef c\u00e1c b\u1ea3n d\u1ef1 ph\u00f2ng ho\u00e0n ch\u1ec9nh c\u1ee7a website, ph\u00f2ng khi c\u00f3 tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng may b\u1ea1n c\u00f3 th\u1ec3 kh\u00f4i ph\u1ee5c l\u1ea1i website ban \u0111\u1ea7u nh\u1edd d\u1eef li\u1ec7u d\u1ef1 ph\u00f2ng.<\/p>\n\n\n\n<p>C\u00e1c tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng may l\u00e0m h\u1ecfng d\u1eef li\u1ec7u c\u00f3 r\u1ea5t nhi\u1ec1u:<\/p>\n\n\n\n<ul><li>Website b\u1ecb t\u1ea5n c\u00f4ng v\u00e0 ai \u0111\u00f3 ph\u00e1 ho\u1ea1i n\u1ed9i dung website;<\/li><li>B\u1ea1n th\u1eed nghi\u1ec7m plugin v\u00e0 thao t\u00e1c nh\u1ea7m l\u1eabn \u1edf \u0111\u00e2u \u0111\u00f3 l\u00e0m website kh\u00f4ng th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c;<\/li><li>Hosting c\u00f3 v\u1ea5n \u0111\u1ec1 l\u00e0m m\u1ea5t to\u00e0n b\u1ed9 d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n;<\/li><li>V\u00e2n v\u00e2n.<\/li><\/ul>\n\n\n\n<p>C\u00f3 nhi\u1ec1u plugin, \u1ee9ng d\u1ee5ng c\u1ea3 mi\u1ec5n ph\u00ed l\u1eabn tr\u1ea3 ph\u00ed gi\u00fap b\u1ea1n backup website. Hai c\u00f4ng c\u1ee5 t\u00f4i \u01b0a th\u00edch l\u00e0:<\/p>\n\n\n\n<ul><li><a href=\"https:\/\/kiencang.net\/plugin-updraftplus\/\">UpdraftPlus<\/a> (freemium): b\u1ea3n mi\u1ec5n ph\u00ed c\u1ee7a n\u00f3 c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng r\u1ea5t t\u1ed1t, k\u1ebft h\u1ee3p v\u1edbi Google Drive l\u00e0m n\u01a1i l\u01b0u tr\u1eef d\u1eef li\u1ec7u;<\/li><li><a href=\"https:\/\/jetpack.com\/upgrade\/backup\/\" target=\"_blank\" rel=\"noreferrer noopener\">Jetpack Backup<\/a>: c\u00f3 ph\u00ed, v\u1edbi g\u00f3i r\u1ebb nh\u1ea5t kho\u1ea3ng 3$\/th\u00e1ng. \u01afu \u0111i\u1ec3m l\u00e0 c\u00f3 th\u1ec3 kh\u00f4i ph\u1ee5c d\u1eef li\u1ec7u nhanh trong tr\u01b0\u1eddng h\u1ee3p m\u1ea5t d\u1eef li\u1ec7u.<\/li><\/ul>\n\n\n\n<p>L\u01b0u \u00fd khi l\u1ef1a ch\u1ecdn:<\/p>\n\n\n\n<ul><li>N\u00ean ch\u1ecdn t\u1ea7n s\u1ed1 backup v\u1eeba ph\u1ea3i, g\u1ea7n v\u1edbi t\u1ea7n s\u1ed1 b\u1ea1n vi\u1ebft b\u00e0i m\u1edbi. Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, backup h\u00e0ng tu\u1ea7n l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p;<\/li><li>N\u00ean backup v\u00e0o kho\u1ea3ng th\u1eddi gian c\u00f3 \u00edt ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp website nh\u1ea5t \u0111\u1ec3 thao t\u00e1c n\u00e0y kh\u00f4ng l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 trang. N\u1ebfu kh\u00e1ch c\u1ee7a b\u1ea1n ch\u1ee7 y\u1ebfu truy c\u1eadp ban ng\u00e0y th\u00ec n\u00ean ch\u1ecdn th\u1eddi gian backup v\u00e0o ban \u0111\u00eam;<\/li><li>Backup \u0111\u1ea7y \u0111\u1ee7 d\u1eef li\u1ec7u t\u1eeb \u1ea3nh, theme, c\u01a1 s\u1edf d\u1eef li\u1ec7u, v\u00e2n v\u00e2n, ngh\u0129a l\u00e0 b\u1ea1n n\u00ean backup website ho\u00e0n ch\u1ec9nh thay v\u00ec ch\u1ec9 m\u1ed9t ph\u1ea7n.<\/li><\/ul>\n\n\n\n<p><strong>Kh\u00f3 kh\u0103n c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i<\/strong>:<\/p>\n\n\n\n<ul><li>N\u1ebfu l\u01b0\u1ee3ng d\u1eef li\u1ec7u l\u1edbn m\u00e0 c\u00e1c g\u00f3i l\u01b0u tr\u1eef d\u1eef li\u1ec7u mi\u1ec5n ph\u00ed kh\u00f4ng \u0111\u1ee7 n\u00ean c\u00e2n nh\u1eafc mua th\u00eam dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef, ch\u1eb3ng h\u1ea1n nh\u01b0 Google Drive c\u00f3 gi\u00e1 t\u01b0\u01a1ng \u0111\u1ed1i t\u1ed1t. C\u00e1ch kh\u00e1c l\u00e0 gi\u00e3n th\u1eddi gian backup (ch\u1eb3ng h\u1ea1n 15 ng\u00e0y ho\u1eb7c 1 th\u00e1ng m\u1ed9t l\u1ea7n) ho\u1eb7c gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng l\u01b0u tr\u1eef phi\u00ean b\u1ea3n backup xu\u1ed1ng (ch\u1eb3ng h\u1ea1n t\u1eeb 5 b\u1ea3n xu\u1ed1ng 2 b\u1ea3n), nh\u01b0ng c\u00e1ch n\u00e0y ch\u1ec9 n\u00ean \u00e1p d\u1ee5ng n\u1ebfu vi\u1ec7c n\u00e0y kh\u00f4ng \u1ea3nh h\u01b0\u1edfng qu\u00e1 nhi\u1ec1u \u0111\u1ebfn t\u00ednh an to\u00e0n c\u1ee7a d\u1eef li\u1ec7u;<\/li><li>C\u00e1c d\u1ecbch v\u1ee5 backup mi\u1ec5n ph\u00ed th\u01b0\u1eddng kh\u00f4ng c\u00f3 l\u1ef1a ch\u1ecdn th\u1eddi gian backup. Ch\u1eb3ng h\u1ea1n UpdraftPlus (b\u1ea3n mi\u1ec5n ph\u00ed) cho ph\u00e9p ch\u00fang ta l\u00ean l\u1ecbch c\u1ee5 th\u1ec3 cho ng\u00e0y backup nh\u01b0ng gi\u1edd ch\u00ednh x\u00e1c th\u00ec kh\u00f4ng. Trong khi <a href=\"https:\/\/kiencang.net\/an-tai-nguyen-vps\/\" target=\"_blank\" rel=\"noreferrer noopener\">backup l\u1ea1i l\u00e0 ho\u1ea1t \u0111\u1ed9ng \u0103n t\u00e0i nguy\u00ean hosting kh\u00e1 l\u1edbn<\/a>, c\u00e1i n\u00e0y c\u00e0ng \u0111\u00fang khi d\u1eef li\u1ec7u trang c\u1ee7a b\u1ea1n c\u00e0ng nhi\u1ec1u. B\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng <a href=\"https:\/\/wordpress.org\/plugins\/wp-crontrol\/\" target=\"_blank\" rel=\"noreferrer noopener\">plugin WP Crontrol<\/a> \u0111\u1ec3 ch\u1ec9 \u0111\u1ecbnh c\u1ee5 th\u1ec3 th\u1eddi gian c\u1ee5 th\u1ec3 (th\u01b0\u1eddng n\u00ean ch\u1ecdn l\u00fac website r\u1ea3nh r\u1ed7i nh\u1ea5t, \u0111a s\u1ed1 s\u1ebd v\u00e0o n\u1eeda \u0111\u00eam, b\u1ea1n d\u00f9ng Google Analytics \u0111\u1ec3 bi\u1ebft th\u00f4ng tin n\u00e0y).<\/li><\/ul>\n\n\n\n<p>Bi\u1ec3u \u0111\u1ed3 b\u00ean d\u01b0\u1edbi cho th\u1ea5y plugin backup UpdrafPlus trong l\u00fac ho\u1ea1t \u0111\u1ed9ng ti\u00eau hao t\u00e0i nguy\u00ean \u1edf m\u1ee9c \u0111\u1ed9 n\u00e0o. T\u00f9y t\u00ecnh hu\u1ed1ng m\u00e0 m\u1ee9c CPU c\u00f3 th\u1ec3 t\u0103ng th\u00eam 30 &#8211; 50% to\u00e0n b\u1ed9 t\u00e0i nguy\u00ean, RAM c\u00f3 th\u1ec3 t\u0103ng th\u00eam 5 &#8211; 15% to\u00e0n b\u1ed9 t\u00e0i nguy\u00ean. Bi\u1ec3u \u0111\u1ed3 n\u00e0y l\u00e0 tr\u00ean VPS DigitalOcean, 1AMD, RAM 2GB. D\u1eef li\u1ec7u website kho\u1ea3ng 2GB, g\u1ed3m 1200 b\u00e0i vi\u1ebft:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2022\/08\/cpu-backup.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"301\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2022\/08\/cpu-backup-1024x301.png\" alt=\"CPU trong l\u00fac backup\" class=\"wp-image-22803\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2022\/08\/cpu-backup-1024x301.png 1024w, https:\/\/kiencang.net\/wp-content\/uploads\/2022\/08\/cpu-backup-300x88.png 300w, https:\/\/kiencang.net\/wp-content\/uploads\/2022\/08\/cpu-backup-768x226.png 768w, https:\/\/kiencang.net\/wp-content\/uploads\/2022\/08\/cpu-backup.png 1223w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2022\/08\/RAM-backup.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"304\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2022\/08\/RAM-backup-1024x304.png\" alt=\"RAM trong l\u00fac backup\" class=\"wp-image-22804\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2022\/08\/RAM-backup-1024x304.png 1024w, https:\/\/kiencang.net\/wp-content\/uploads\/2022\/08\/RAM-backup-300x89.png 300w, https:\/\/kiencang.net\/wp-content\/uploads\/2022\/08\/RAM-backup-768x228.png 768w, https:\/\/kiencang.net\/wp-content\/uploads\/2022\/08\/RAM-backup.png 1225w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p>\u0110\u1ec3 gi\u1ea3m t\u1ed1i \u0111a \u1ea3nh h\u01b0\u1edfng c\u1ee7a ho\u1ea1t \u0111\u1ed9ng backup l\u00ean website (v\u00ec d\u00f9 sao ch\u00fang ta kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p b\u1ecf ho\u1ea1t \u0111\u1ed9ng n\u00e0y, nh\u01b0ng d\u00f9ng n\u00f3 kh\u00e9o h\u01a1n th\u00ec n\u00f3 s\u1ebd \u0111\u1ee1 \u1ea3nh h\u01b0\u1edfng h\u01a1n):<\/p>\n\n\n\n<ul><li>Gi\u1ea3m t\u1ed1i \u0111a t\u00e0i nguy\u00ean d\u01b0 th\u1eeba tr\u00ean website.<\/li><li>L\u1ef1a ch\u1ecdn t\u1ea7n s\u1ed1 backup v\u1eeba ph\u1ea3i, h\u1ee3p l\u00fd.<\/li><li><a href=\"https:\/\/kiencang.net\/thoi-gian-backup-updraftplus\/\" target=\"_blank\" rel=\"noreferrer noopener\">Ch\u1ecdn khung gi\u1edd backup v\u00e0o l\u00fac \u00edt ng\u01b0\u1eddi truy c\u1eadp nh\u1ea5t<\/a>.<\/li><\/ul>\n\n\n\n<p>Link v\u1eeba d\u1eabn \u1edf tr\u00ean c\u00f3 h\u01b0\u1edbng d\u1eabn \u0111\u1ec3 b\u1ea1n ch\u1ecdn khung gi\u1edd backup theo \u00fd mu\u1ed1n cho plugin UpdraftPlus (b\u1ea3n free kh\u00f4ng c\u00f3 t\u00ednh n\u0103ng n\u00e0y, b\u1ea1n c\u1ea7n c\u00e0i th\u00eam plugin kh\u00e1c \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh gi\u1edd).<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"5-s\u1eed-d\u1ee5ng-cong-c\u1ee5-chuy\u1ec3n-host-nhanh-g\u1ecdn\"><span class=\"ez-toc-section\" id=\"5_Su_dung_cong_cu_chuyen_host_nhanh_gon\"><\/span>#5. S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 chuy\u1ec3n host nhanh g\u1ecdn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"https:\/\/kiencang.net\/chuyen-host-website-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">Chuy\u1ec3n host<\/a> nh\u01b0 chuy\u1ec3n nh\u00e0 v\u1eady, ch\u1eb3ng ph\u1ea3i l\u00e0 vi\u1ec7c nh\u1eb9 nh\u00e0ng g\u00ec v\u00e0 c\u00f3 th\u1ec3 r\u1ea5t t\u1ed1n th\u1eddi gian. Kho\u1ea3ng th\u1eddi gian \u0111\u1ec3 chuy\u1ec3n ch\u00ednh l\u00e0 kho\u1ea3ng th\u1eddi gian b\u1ecb gi\u00e1n \u0111o\u1ea1n, v\u00e0 b\u1ea1n c\u1ea7n ph\u1ea3i h\u1ea1n ch\u1ebf n\u00f3 c\u00e0ng th\u1ea5p c\u00e0ng t\u1ed1t. M\u1ed9t s\u1ed1 trang web kinh doanh ch\u1eb3ng h\u1ea1n, gi\u00e1n \u0111o\u1ea1n 2 &#8211; 3 ti\u1ebfng \u0111\u1ed3ng h\u1ed3 c\u00f3 th\u1ec3 tr\u1ea3 gi\u00e1 b\u1eb1ng v\u00e0i tri\u1ec7u \u0111\u1ed3ng gi\u00e1 tr\u1ecb \u0111\u01a1n h\u00e0ng.<\/p>\n\n\n\n<p>C\u00f3 nhi\u1ec1u l\u00fd do \u0111\u1ec3 chuy\u1ec3n host, v\u00ed d\u1ee5:<\/p>\n\n\n\n<ul><li>Hosting b\u1ea1n \u0111ang d\u00f9ng g\u1eb7p v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng xuy\u00ean v\u00e0 b\u1ea1n mu\u1ed1n chuy\u1ec3n sang nh\u00e0 cung c\u1ea5p m\u1edbi;<\/li><li>Hosting b\u1ea1n \u0111ang d\u00f9ng \u0111\u1ed9t ng\u1ed9t g\u1eb7p v\u1ea5n \u0111\u1ec1 gi\u00e1n \u0111o\u1ea1n k\u00e9o d\u00e0i, d\u00f9 ch\u01b0a r\u00f5 nguy\u00ean nh\u00e2n, b\u1ea1n v\u1eabn c\u1ea7n ph\u1ea3i chuy\u1ec3n t\u1ea1m th\u1eddi sang host m\u1edbi.<\/li><\/ul>\n\n\n\n<p>C\u00f4ng c\u1ee5 t\u00f4i \u01b0a th\u00edch l\u00e0:<\/p>\n\n\n\n<ul><li><a href=\"https:\/\/kiencang.net\/chuyen-hosting-updraftplus\/\" target=\"_blank\" rel=\"noreferrer noopener\">UpdraftPlus<\/a>: n\u00f3 mi\u1ec5n ph\u00ed, tuy nhi\u00ean c\u00f3 th\u1ec3 m\u1ea5t t\u1eeb 30 ph\u00fat \u0111\u1ebfn 1 ti\u1ebfng (ho\u1eb7c h\u01a1n) \u0111\u1ec3 chuy\u1ec3n (t\u00f9y dung l\u01b0\u1ee3ng website v\u00e0 th\u1eddi gian b\u1ea1n l\u00e0m quen v\u1edbi hosting m\u1edbi). \u0110\u1ea7u ti\u00ean l\u00e0 t\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c file m\u00e0 n\u00f3 backup \u0111\u01b0\u1ee3c v\u1ec1, sau \u0111\u00f3 up ng\u01b0\u1ee3c l\u00ean host m\u1edbi \u0111\u1ec3 kh\u00f4i ph\u1ee5c<\/li><li><a href=\"https:\/\/kiencang.net\/plugin-all-in-one-wp-migration\/\" target=\"_blank\" rel=\"noreferrer noopener\">All-in-One WP Migration b\u1ea3n c\u00f3 ph\u00ed<\/a>: r\u1ea5t nhanh, ngay c\u1ea3 v\u1edbi website c\u00f3 dung l\u01b0\u1ee3ng l\u1edbn, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ec9 m\u1ea5t 15 ph\u00fat di chuy\u1ec3n. N\u00f3 c\u0169ng gi\u00fap h\u1ea1n ch\u1ebf c\u00e1c l\u1ed7i v\u00ec ch\u1ec9 c\u00f3 1 file backup duy nh\u1ea5t \u0111\u01b0\u1ee3c g\u00f3i g\u1ecdn. Kh\u00f4ng gi\u1edbi h\u1ea1n s\u1ed1 l\u01b0\u1ee3ng website.<\/li><\/ul>\n\n\n\n<p><strong>Kh\u00f3 kh\u0103n c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i<\/strong>:<\/p>\n\n\n\n<ul><li>B\u1ea1n c\u00f3 th\u1ec3 c\u1ea3m th\u1ea5y ti\u1ebfc ti\u1ec1n khi mua plugin ch\u1ea5t l\u01b0\u1ee3ng, ch\u1eb3ng h\u1ea1n v\u00ec vi\u1ec7c chuy\u1ec3n host hi\u1ebfm khi x\u1ea3y ra v\u1edbi b\u1ea1n. Kh\u00f4ng sao, d\u00f9ng c\u00e1c c\u00f4ng c\u1ee5 mi\u1ec5n ph\u00ed c\u0169ng r\u1ea5t \u1ed5n, b\u1ea1n ch\u1ec9 m\u1ea5t th\u1eddi gian h\u01a1n \u0111\u00f4i ch\u00fat v\u00e0 c\u1ea7n c\u1ea9n th\u1eadn h\u01a1n trong khi thao t\u00e1c.<\/li><\/ul>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"6-ch\u1ecdn-hosting-ch\u1ea5t-l\u01b0\u1ee3ng-cao\"><span class=\"ez-toc-section\" id=\"6_Chon_hosting_chat_luong_cao\"><\/span>#6. Ch\u1ecdn hosting ch\u1ea5t l\u01b0\u1ee3ng cao<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0110\u00e2y l\u00e0 gi\u1ea3i ph\u00e1p quan tr\u1ecdng nh\u1ea5t gi\u00fap h\u1ea1n ch\u1ebf gi\u00e1n \u0111o\u1ea1n. Tuy nhi\u00ean t\u00f4i \u0111\u1ec3 g\u1ea7n cu\u1ed1i v\u00ec \u0111\u00e2u ph\u1ea3i ch\u00fang ta c\u1ee9 mu\u1ed1n mua hosting ch\u1ea5t l\u01b0\u1ee3ng cao l\u00e0 \u0111\u01b0\u1ee3c, chi ph\u00ed lu\u00f4n l\u00e0 v\u1ea5n \u0111\u1ec1.<\/p>\n\n\n\n<p>Shared hosting th\u01b0\u1eddng g\u1eb7p r\u1eafc r\u1ed1i do c\u00e1c website kh\u00e1c c\u00f9ng \u0111\u01b0\u1ee3c host trong g\u00f3i \u0111\u00f3, trong khi c\u00e1c g\u00f3i host ch\u1ea5t l\u01b0\u1ee3ng s\u1ebd \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed5 t\u00e0i nguy\u00ean \u0111\u1ed9c l\u1eadp v\u00e0 tr\u00e1nh \u1ea3nh h\u01b0\u1edfng t\u1eeb nh\u1eefng ng\u01b0\u1eddi h\u00e0ng x\u00f3m \u1ed3n \u00e0o.<\/p>\n\n\n\n<p>OK, gi\u1ea3 d\u1ee5 b\u1ea1n c\u00f3 kh\u1ea3 n\u0103ng chi tr\u1ea3 t\u1ed1t, h\u00e3y \u0111\u1ec3 \u00fd \u0111\u1ebfn 2 g\u00f3i hosting sau:<\/p>\n\n\n\n<ul><li><strong>VPS<\/strong>: \u0111\u00e2y nh\u00ecn chung l\u00e0 c\u00e1ch ti\u1ebft ki\u1ec7m nh\u1ea5t \u0111\u1ec3 c\u00f3 g\u00f3i hosting t\u1ed1t, tuy nhi\u00ean \u0111\u00f2i h\u1ecfi b\u1ea1n ph\u1ea3i am hi\u1ec3u m\u1ed9t ch\u00fat v\u1ec1 k\u1ef9 thu\u1eadt \u0111\u1ec3 t\u1ef1 c\u00e0i \u0111\u1eb7t c\u00e1c c\u00f4ng c\u1ee5. N\u1ebfu b\u1ea1n c\u1ea7n m\u1ed9t g\u1ee3i \u00fd nhanh, h\u00e3y th\u1eed <a href=\"https:\/\/www.vultr.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">VULTR<\/a> ho\u1eb7c DigitalOcean, UpCloud;<\/li><li><strong>G\u00f3i chuy\u00ean cho WordPress \u0111\u01b0\u1ee3c qu\u1ea3n tr\u1ecb<\/strong>: n\u1ebfu kh\u00f4ng mu\u1ed1n m\u1ea5t th\u1eddi gian t\u00ecm hi\u1ec3u nhi\u1ec1u th\u1ee9 thi \u0111\u00e2y l\u00e0 g\u00f3i ph\u00f9 h\u1ee3p nh\u1ea5t. C\u00e1c chuy\u00ean gia \u0111\u1ee9ng \u0111\u1eb1ng sau \u0111\u00e3 l\u00e0m g\u1ea7n nh\u01b0 m\u1ecdi th\u1ee9 r\u1ed3i, b\u1ea1n ch\u1ec9 ph\u1ea3i m\u00f3c h\u1ea7u bao (!) v\u00e0 t\u1ea1o n\u1ed9i dung th\u00f4i. D\u0129 nhi\u00ean gi\u00e1 c\u1ee7a n\u00f3 \u0111\u1eaft h\u01a1n VPS cho c\u1ea5u h\u00ecnh t\u01b0\u01a1ng \u0111\u01b0\u01a1ng, c\u00f3 th\u1ec3 t\u1eeb 2 \u0111\u1ebfn 5 l\u1ea7n. N\u1ebfu b\u1ea1n c\u1ea7n g\u1ee3i \u00fd nhanh, h\u00e3y th\u1eed <a href=\"https:\/\/closte.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Closte<\/a>, <a href=\"https:\/\/rocket.net\/\" target=\"_blank\" rel=\"noreferrer noopener\">Rocket.net<\/a>.<\/li><\/ul>\n\n\n\n<p><strong>\u00cdt ti\u1ec1n m\u00e0 mu\u1ed1n mua hosting t\u1ed1t c\u00f3 \u0111\u01b0\u1ee3c kh\u00f4ng?<\/strong><\/p>\n\n\n\n<p>C\u00e2u h\u1ecfi kh\u00f3 n\u00e0y. \u0110\u1ee3t t\u00f4i thi\u1ebfu ti\u1ec1n, t\u00f4i c\u0169ng th\u1eed xem c\u00f3 gi\u1ea3i ph\u00e1p n\u00e0o kh\u00f4ng, v\u00e0 nh\u1eadn th\u1ea5y l\u00e0 r\u1ea5t kh\u00f3 kh\u0103n \u0111\u1ec3 t\u00ecm \u0111\u01b0\u1ee3c n\u01a1i \u01b0ng \u00fd. Tuy nhi\u00ean m\u00e3i th\u00ec c\u0169ng ra. B\u1ea1n c\u00f3 th\u1ec3 th\u1eed g\u00f3i <a href=\"https:\/\/www.namecheap.com\/hosting\/shared\/\" target=\"_blank\" rel=\"noreferrer noopener\">shared hosting c\u1ee7a Namecheap<\/a>&#8211; n\u00f3 c\u00f3 gi\u00e1 kh\u00e1 m\u1ec1m, host \u0111\u01b0\u1ee3c t\u1ea7m 5 &#8211; 7 trang tho\u1ea3i m\u00e1i. K\u1ebft h\u1ee3p v\u1edbi CDN v\u00e0 QUIC cloud n\u1eefa v\u1eabn cho t\u1ed1c \u0111\u1ed9 r\u1ea5t \u1ed5n.<\/p>\n\n\n\n<p><strong>Kh\u00f3 kh\u0103n c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i<\/strong>:<\/p>\n\n\n\n<ul><li>Th\u1ee9 nh\u1ea5t l\u00e0 ti\u1ec1n, nh\u01b0ng ngay c\u1ea3 khi kh\u00f4ng ph\u1ea3i lo l\u1eafng nhi\u1ec1u v\u1ec1 kinh ph\u00ed th\u00ec b\u1ea1n c\u0169ng s\u1ebd ph\u1ea3i \u0111\u1ed1i di\u1ec7n v\u1edbi vi\u1ec7c c\u00f3 qu\u00e1 nhi\u1ec1u l\u1ef1a ch\u1ecdn: D\u1ecbch v\u1ee5 n\u00e0o c\u0169ng n\u00f3i b\u1ea3n th\u00e2n h\u1ecd l\u00e0 c\u00e1i c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng h\u00e0ng \u0111\u1ea7u th\u1ebf gi\u1edbi v\u00e0 t\u1ed1t nh\u1ea5t v\u1edbi b\u1ea1n! B\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o th\u00eam b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec3 \u0111\u1ee1 b\u1ed1i r\u1ed1i: <a href=\"https:\/\/kiencang.net\/mua-hosting-cho-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">Ch\u1ecdn mua hosting cho WordPress<\/a>.<\/li><\/ul>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"7-d\u1ecdn-d\u1eb9p-c\u01a1-s\u1edf-d\u1eef-li\u1ec7u-database\"><span class=\"ez-toc-section\" id=\"7_Don_dep_co_so_du_lieudatabase\"><\/span>#7. D\u1ecdn d\u1eb9p c\u01a1 s\u1edf d\u1eef li\u1ec7u\/database<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>C\u01a1 S\u1edf D\u1eef Li\u1ec7u (CSDL) hi\u1ebfm khi l\u00e0 v\u1ea5n \u0111\u1ec1 n\u1ebfu b\u1ea1n c\u00f3 website nh\u1ecf ho\u1eb7c\/v\u00e0 m\u1edbi ch\u1ec9 tr\u1ef1c tuy\u1ebfn ch\u01b0a \u0111\u1ebfn 1 n\u0103m. Nh\u01b0ng n\u1ebfu ng\u01b0\u1ee3c l\u1ea1i:<\/p>\n\n\n\n<ul><li>B\u1ea1n c\u00f3 website c\u00f3 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp l\u1edbn;<\/li><li>B\u1ea1n c\u00f3 website v\u1edbi r\u1ea5t nhi\u1ec1u b\u00e0i vi\u1ebft;<\/li><li>B\u1ea1n c\u00f3 website v\u00e0i n\u0103m tu\u1ed5i r\u1ed3i;<\/li><li>B\u1ea1n t\u1eebng th\u1eed nghi\u1ec7m nhi\u1ec1u theme, plugin.<\/li><\/ul>\n\n\n\n<p>4 \u0111\u1eb7c \u0111i\u1ec3m tr\u00ean hay \u0111i song h\u00e0nh v\u1edbi nhau, v\u00e0 d\u00f9 b\u1ea1n ch\u1ec9 c\u1ea7n c\u00f3 m\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m th\u00f4i, t\u00f4i khuy\u00ean h\u00e3y th\u1eed d\u1ecdn d\u1eb9p, l\u00e0m s\u1ea1ch CSDL WordPress. C\u01a1 s\u1edf d\u1eef li\u1ec7u qu\u00e1 l\u1edbn v\u00e0 d\u01b0 th\u1eeba n\u1ebfu nh\u1eb9 th\u00ec l\u00e0m ch\u1eadm website, c\u00f2n n\u1ebfu n\u1eb7ng c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m gi\u00e1n \u0111o\u1ea1n truy c\u1eadp.<\/p>\n\n\n\n<p>Plugin gi\u00fap b\u1ea1n l\u00e0m \u0111i\u1ec1u n\u00e0y r\u1ea5t t\u1ed1t c\u00f3 t\u00ean: <a href=\"https:\/\/kiencang.net\/plugin-advanced-database-cleaner\/\" target=\"_blank\" rel=\"noreferrer noopener\">Advanced Database Cleaner<\/a>. N\u1ebfu c\u00f3 kinh nghi\u1ec7m b\u1ea1n n\u00ean k\u1ebft h\u1ee3p <a href=\"https:\/\/kiencang.net\/toi-uu-hoa-csdl-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">t\u1ed1i \u01b0u h\u00f3a theo c\u00e1ch th\u1ee7 c\u00f4ng<\/a> k\u1ebft h\u1ee3p v\u1edbi plugin \u0111\u1ec3 cho k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t.<\/p>\n\n\n\n<p>N\u1ebfu b\u1ea1n c\u1ea7n <a href=\"https:\/\/kiencang.net\/toi-uu-database-wordpress-toan-dien\/\" target=\"_blank\" rel=\"noreferrer noopener\">m\u1ed9t b\u00e0i vi\u1ebft c\u0103n b\u1ea3n, \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 t\u1ed1i \u01b0u h\u00f3a database trong WordPress th\u00ec h\u00e3y tham kh\u1ea3o b\u00e0i n\u00e0y<\/a>.<\/p>\n\n\n\n<p>P\/S: Website Ki\u1ebfn c\u00e0ng \u0111\u00e3 lo\u1ea1i b\u1ecf \u0111\u01b0\u1ee3c h\u01a1n 20% d\u1eef li\u1ec7u d\u1eef th\u1eeba trong CSDL, m\u1ed9t website kh\u00e1c c\u1ee7a kh\u00e1ch h\u00e0ng th\u1eadm ch\u00ed c\u00f2n lo\u1ea1i b\u1ecf \u0111\u01b0\u1ee3c h\u01a1n 70%! Kh\u00f4ng nh\u1eefng th\u1ebf nhi\u1ec1u cron jobs v\u00e0 options v\u00f4 \u00edch kh\u00e1c c\u0169ng \u0111\u01b0\u1ee3c lo\u1ea1i tr\u1eeb.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"8-k\u1ebft-lu\u1eadn\"><span class=\"ez-toc-section\" id=\"8_Ket_luan\"><\/span>#8. K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>C\u00f3 r\u1ea5t nhi\u1ec1u c\u00f4ng c\u1ee5 \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp trong b\u00e0i vi\u1ebft n\u00e0y, nh\u01b0ng t\u00f4i hy v\u1ecdng b\u1ea1n n\u1eafm \u0111\u01b0\u1ee3c \u00fd t\u01b0\u1edfng \u0111\u1eb1ng sau m\u1ed7i c\u00f4ng c\u1ee5 c\u1ee5 th\u1ec3 \u0111\u00f3. V\u00ec c\u00f4ng c\u1ee5 s\u1ebd thay \u0111\u1ed5i, Cloudflare gi\u1edd c\u00f3 th\u1ec3 l\u00e0 DNS r\u1ea5t t\u1ed1t, nh\u01b0ng ng\u00e0y mai c\u00f3 khi l\u1ea1i l\u00e0 <a href=\"https:\/\/dnsimple.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">DNSsimple<\/a>; <\/p>\n\n\n\n<p>BunnyCDN hi\u1ec7n c\u00f3 gi\u00e1 r\u1ea5t c\u1ea1nh tranh, nh\u01b0ng n\u0103m sau c\u00f3 th\u1ec3 d\u1ecbch v\u1ee5 ABC CDN n\u00e0o \u0111\u00f3 so\u00e1n ng\u00f4i. N\u1eafm \u0111\u01b0\u1ee3c \u00fd t\u01b0\u1edfng gi\u00fap b\u1ea1n linh ho\u1ea1t v\u00e0 lu\u00f4n ch\u1ecdn \u0111\u01b0\u1ee3c th\u1ee9 ph\u00f9 h\u1ee3p v\u00e0o b\u1ea5t k\u1ef3 th\u1eddi \u0111i\u1ec3m n\u00e0o.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Website li\u1ec1n m\u1ea1ch v\u00e0 \u1ed5n \u0111\u1ecbnh l\u00e0 m\u1ed9t trong c\u00e1c y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t. Hosting c\u00f3 th\u1ec3 c\u00f3 c\u1ea5u h\u00ecnh trung b\u00ecnh nh\u01b0ng n\u00f3 c\u1ea7n ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh, li\u00ean t\u1ee5c trong th\u1eddi gian d\u00e0i v\u00e0 ph\u1ea3i hi\u1ebfm khi g\u1eb7p v\u1ea5n \u0111\u1ec1 gi\u00e1n \u0111o\u1ea1n (downtime). Website ch\u1eadm t\u1ea5t nhi\u00ean l\u00e0 t\u1ec7, nh\u01b0ng gi\u00e1n \u0111o\u1ea1n &hellip;<\/p>\n","protected":false},"author":1,"featured_media":14307,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[270,97],"tags":[327],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Duy tr\u00ec t\u00ednh li\u1ec1n m\u1ea1ch v\u00e0 \u1ed5n \u0111\u1ecbnh c\u1ee7a Website s\u1eed d\u1ee5ng WordPress &#8226; Ki\u1ebfn c\u00e0ng<\/title>\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-uptime\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Duy tr\u00ec t\u00ednh li\u1ec1n m\u1ea1ch v\u00e0 \u1ed5n \u0111\u1ecbnh c\u1ee7a Website s\u1eed d\u1ee5ng WordPress &#8226; Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"og:description\" content=\"Website li\u1ec1n m\u1ea1ch v\u00e0 \u1ed5n \u0111\u1ecbnh l\u00e0 m\u1ed9t trong c\u00e1c y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t. Hosting c\u00f3 th\u1ec3 c\u00f3 c\u1ea5u h\u00ecnh trung b\u00ecnh nh\u01b0ng n\u00f3 c\u1ea7n ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh, li\u00ean t\u1ee5c trong th\u1eddi gian d\u00e0i v\u00e0 ph\u1ea3i hi\u1ebfm khi g\u1eb7p v\u1ea5n \u0111\u1ec1 gi\u00e1n \u0111o\u1ea1n (downtime). 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