{"id":21546,"date":"2022-03-02T00:38:11","date_gmt":"2022-03-01T17:38:11","guid":{"rendered":"https:\/\/speed.family\/?p=21546"},"modified":"2022-03-02T00:38:11","modified_gmt":"2022-03-01T17:38:11","slug":"nhuoc-diem-cdn","status":"publish","type":"post","link":"https:\/\/kiencang.net\/nhuoc-diem-cdn\/","title":{"rendered":"Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a d\u1ecbch v\u1ee5 CDN l\u00e0 g\u00ec?"},"content":{"rendered":"\n<p>M\u1eb7c d\u00f9 <a href=\"https:\/\/kiencang.net\/cdn-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">CDN c\u00f3 r\u1ea5t nhi\u1ec1u \u01b0u \u0111i\u1ec3m<\/a>, nh\u01b0ng n\u1ebfu b\u1ea1n d\u00f9ng n\u00f3 theo ki\u1ec3u phong tr\u00e0o (&#8220;ch\u00fang n\u00f3 d\u00f9ng th\u00ec m\u00ecnh c\u0169ng ph\u1ea3i d\u00f9ng th\u00f4i!&#8221;), b\u1ea1n c\u00f3 nguy c\u01a1 g\u00e2y t\u1ed5n h\u1ea1i cho website, v\u00e0 trong b\u00e0i vi\u1ebft n\u00e0y t\u00f4i s\u1ebd ch\u1ec9 ra c\u00e1c nh\u01b0\u1ee3c \u0111i\u1ec3m ch\u1ee7 y\u1ebfu khi s\u1eed d\u1ee5ng CDN, gi\u00fap b\u1ea1n tr\u00e1nh t\u00ecnh hu\u1ed1ng ti\u1ec1n m\u1ea5t, t\u1eadt mang!<\/p>\n\n\n<hr class=\"wp-block-separator\"\/>\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-6577d627691c2\" ><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-6577d627691c2\"  type=\"checkbox\" id=\"item-6577d627691c2\"><\/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\/nhuoc-diem-cdn\/#1_Khong_cai_thien_gi_dang_ke_neu_hosting_cua_ban_o_ngay_gan_nguoi_dung_va_du_khoe_manh\" title=\"1. Kh\u00f4ng c\u1ea3i thi\u1ec7n g\u00ec \u0111\u00e1ng k\u1ec3 n\u1ebfu hosting c\u1ee7a b\u1ea1n \u1edf ngay g\u1ea7n ng\u01b0\u1eddi d\u00f9ng v\u00e0 \u0111\u1ee7 kh\u1ecfe m\u1ea1nh\">1. Kh\u00f4ng c\u1ea3i thi\u1ec7n g\u00ec \u0111\u00e1ng k\u1ec3 n\u1ebfu hosting c\u1ee7a b\u1ea1n \u1edf ngay g\u1ea7n ng\u01b0\u1eddi d\u00f9ng v\u00e0 \u0111\u1ee7 kh\u1ecfe m\u1ea1nh<\/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\/nhuoc-diem-cdn\/#2_Lam_cham_website_trong_mot_so_tinh_huong\" title=\"2. L\u00e0m ch\u1eadm website trong m\u1ed9t s\u1ed1 t\u00ecnh hu\u1ed1ng\">2. L\u00e0m ch\u1eadm website trong m\u1ed9t s\u1ed1 t\u00ecnh hu\u1ed1ng<\/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\/nhuoc-diem-cdn\/#3_Tang_nguy_co_bi_downtime\" title=\"3. T\u0103ng nguy c\u01a1 b\u1ecb downtime\">3. T\u0103ng nguy c\u01a1 b\u1ecb downtime<\/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\/nhuoc-diem-cdn\/#4_Tang_chi_phi\" title=\"4. T\u0103ng chi ph\u00ed\">4. T\u0103ng chi ph\u00ed<\/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\/nhuoc-diem-cdn\/#5_Co_the_anh_huong_tieu_cuc_den_SEO\" title=\"5. C\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c \u0111\u1ebfn SEO\">5. C\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c \u0111\u1ebfn SEO<\/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\/nhuoc-diem-cdn\/#6_Ton_thoi_gian_tim_hieu_cac_chi_tiet_ky_thuat\" title=\"6. T\u1ed1n th\u1eddi gian t\u00ecm hi\u1ec3u c\u00e1c chi ti\u1ebft k\u1ef9 thu\u1eadt\">6. T\u1ed1n th\u1eddi gian t\u00ecm hi\u1ec3u c\u00e1c chi ti\u1ebft k\u1ef9 thu\u1eadt<\/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\/nhuoc-diem-cdn\/#7_Ket_luan\" title=\"7. K\u1ebft lu\u1eadn\">7. K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Khong_cai_thien_gi_dang_ke_neu_hosting_cua_ban_o_ngay_gan_nguoi_dung_va_du_khoe_manh\"><\/span>1. Kh\u00f4ng c\u1ea3i thi\u1ec7n g\u00ec \u0111\u00e1ng k\u1ec3 n\u1ebfu hosting c\u1ee7a b\u1ea1n \u1edf ngay g\u1ea7n ng\u01b0\u1eddi d\u00f9ng v\u00e0 \u0111\u1ee7 kh\u1ecfe m\u1ea1nh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>Gi\u1ea3 d\u1ee5 ng\u01b0\u1eddi truy c\u1eadp website c\u1ee7a b\u1ea1n 95% \u0111\u1ebfn t\u1eeb Vi\u1ec7t Nam v\u00e0 b\u1ea1n \u0111\u00e3 <a href=\"https:\/\/kiencang.net\/mua-hosting-cho-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">thu\u00ea hosting ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t<\/a> \u1edf ngay H\u00e0 N\u1ed9i ho\u1eb7c S\u00e0i G\u00f2n r\u1ed3i th\u00ec vi\u1ec7c d\u00f9ng CDN s\u1ebd kh\u00f4ng l\u00e0m b\u1ea1n c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 \u0111\u00e1ng k\u1ec3, nh\u1ea5t l\u00e0 khi l\u01b0u l\u01b0\u1ee3ng c\u1ee7a b\u1ea1n ch\u1ec9 \u1edf m\u1ee9c trung b\u00ecnh (m\u1ed1c t\u1ed1t l\u00e0 3k view\/ng\u00e0y).<\/p>\n\n\n<p>Th\u1ebf t\u1ea1i sao c\u00e1c website nh\u01b0 Vnexpress, Tiki, Shopee v\u1eabn s\u1eed d\u1ee5ng CDN d\u00f9 h\u1ecd c\u00f3 hosting r\u1ea5t kh\u1ecfe \u0111\u1eb7t ngay trong n\u01b0\u1edbc?<\/p>\n\n\n<p>V\u00ec \u0111\u00e2y l\u00e0 c\u00e1c trang c\u00f3 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp c\u1ef1c l\u1edbn, v\u00e0 gi\u00e1 tr\u1ecb th\u01b0\u01a1ng m\u1ea1i tr\u00ean m\u1ed9t ng\u01b0\u1eddi d\u00f9ng l\u00e0 cao h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1c website th\u00f4ng th\u01b0\u1eddng. \u0110\u1ea7u t\u01b0 CDN v\u1edbi h\u1ecd \u0111\u01a1n gi\u1ea3n l\u00e0 b\u00e0i to\u00e1n kinh t\u1ebf, h\u1ecd s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c l\u1ee3i \u00edch cao h\u01a1n nhi\u1ec1u khi d\u00f9ng CDN.<\/p>\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Lam_cham_website_trong_mot_so_tinh_huong\"><\/span>2. L\u00e0m ch\u1eadm website trong m\u1ed9t s\u1ed1 t\u00ecnh hu\u1ed1ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>Nghe c\u00f3 v\u1ebb l\u1ea1 \u0111\u00fang kh\u00f4ng \u1ea1, v\u00ec m\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a CDN l\u00e0 <a href=\"https:\/\/kiencang.net\/tang-toc-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">t\u0103ng t\u1ed1c website<\/a>, th\u1ebf t\u1ea1i sao n\u00f3 v\u1eabn c\u00f3 nguy c\u01a1 ch\u1eadm.<\/p>\n\n\n<p>L\u00fd do ch\u1ee7 y\u1ebfu c\u00f3 li\u00ean quan \u0111\u1ebfn v\u1ea5n \u0111\u1ec1 s\u1ed1 1:<\/p>\n\n\n<ul><li>Nhi\u1ec1u d\u1ecbch v\u1ee5 CDN (qu\u1ed1c t\u1ebf) kh\u00f4ng c\u00f3 PoP \u1edf Vi\u1ec7t Nam, \u0111\u1eb7c bi\u1ec7t l\u00e0 CDN mi\u1ec5n ph\u00ed, do v\u1eady d\u00f9 hosting g\u1ed1c c\u1ee7a b\u1ea1n \u0111\u00e3 \u0111\u1eb7t trong n\u01b0\u1edbc, th\u00ec khi d\u00f9ng CDN n\u1ed9i dung t\u0129nh l\u1ea1i ph\u1ea3i t\u1ea3i t\u1eeb n\u01b0\u1edbc ngo\u00e0i. Th\u01b0\u1eddng th\u00ec c\u0169ng kh\u00f4ng ch\u1eadm \u0111i nhi\u1ec1u, nh\u01b0ng n\u1ebfu t\u00ecnh tr\u1ea1ng \u0111\u1ee9t c\u00e1p quang k\u00e9o d\u00e0i vs nghi\u00eam tr\u1ecdng th\u00ec n\u00f3 s\u1ebd th\u00e0nh \u0111i\u1ec3m th\u1eaft c\u1ed5 chai ph\u00e1 ho\u1ea1i t\u1ed1c \u0111\u1ed9 trang c\u1ee7a b\u1ea1n.<\/li><li>L\u00fd do ph\u1ee5 kh\u00e1c l\u00e0 c\u00f3 nhi\u1ec1u d\u1ecbch v\u1ee5 CDN c\u1ea3 mi\u1ec5n ph\u00ed v\u00e0 tr\u1ea3 ph\u00ed c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng cao. Tri\u1ec3n khai h\u1ea1 t\u1ea7ng CDN r\u1ea5t t\u1ed1n k\u00e9m chi ph\u00ed v\u00ec \u0111\u00f2i h\u1ecfi c\u00f4ng ngh\u1ec7 cao v\u00e0 quy m\u00f4 l\u1edbn, n\u1ebfu b\u1ea1n ch\u1ecdn nh\u1ea7m d\u1ecbch v\u1ee5 CDN c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng trung b\u00ecnh hay th\u1eadm ch\u00ed l\u00e0 th\u1ea5p, t\u1ed1c \u0111\u1ed9 trang c\u1ee7a b\u1ea1n s\u1ebd k\u00e9m \u0111i.<\/li><li>L\u01b0\u1ee3t truy c\u1eadp \u0111\u1ea7u b\u1ecb ch\u1eadm: d\u00f9 b\u1ea1n c\u00f3 d\u00f9ng CDN ch\u1ea5t l\u01b0\u1ee3ng cao th\u1ebf n\u00e0o \u0111i ch\u0103ng n\u1eefa, l\u01b0\u1ee3t truy c\u1eadp \u0111\u1ea7u c\u0169ng s\u1ebd ch\u1eadm h\u01a1n so v\u1edbi kh\u00f4ng d\u00f9ng v\u00ec CDN s\u1ebd ph\u1ea3i k\u1ebft n\u1ed1i v\u1edbi hosting g\u1ed1c tr\u01b0\u1edbc khi t\u1ea3i v\u1ec1 \u0111\u01b0\u1ee3c t\u00e0i nguy\u00ean. \u0110\u01b0\u1ee3c c\u00e1i v\u1ea5n \u0111\u1ec1 n\u00e0y kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c n\u1ebfu b\u1ea1n r\u00e0nh v\u1ec1 k\u1ef9 thu\u1eadt (v\u00ed d\u1ee5 \u00e1p d\u1ee5ng preload cache) v\u00e0 ch\u1ecdn \u0111\u01b0\u1ee3c CDN t\u1ed1t (c\u00f3 t\u1ef7 l\u1ec7 <a href=\"https:\/\/kiencang.net\/cache-hit-ratio\/\" target=\"_blank\" rel=\"noreferrer noopener\">cache hit ratio r\u1ea5t cao<\/a> nh\u1edd c\u00f4ng ngh\u1ec7 ti\u1ebfn b\u1ed9).<\/li><\/ul>\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Tang_nguy_co_bi_downtime\"><\/span>3. T\u0103ng nguy c\u01a1 b\u1ecb downtime<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>Khi website c\u1ee7a b\u1ea1n d\u1ef1a v\u00e0o c\u00e0ng nhi\u1ec1u n\u1ec1n t\u1ea3ng, nguy c\u01a1 downtime c\u1ee7a n\u00f3 c\u00e0ng t\u0103ng. <\/p>\n\n\n<p><a href=\"https:\/\/kiencang.net\/cdn-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">C\u00e1c CDN ch\u1ea5t l\u01b0\u1ee3ng nh\u1ea5t hi\u1ec7n nay<\/a> th\u00ec uptime r\u1ea5t cao, c\u00f3 th\u1ec3 l\u00ean \u0111\u1ebfn 100% trong h\u1ea7u h\u1ebft c\u00e1c th\u00e1ng vs 99.99% trong th\u1eddi gian th\u1ed1ng k\u00ea c\u1ea3 n\u0103m. <\/p>\n\n\n<p>Tuy nhi\u00ean n\u1ebfu b\u1ea1n ch\u1ecdn ph\u1ea3i d\u1ecbch v\u1ee5 CDN ch\u1ea5t l\u01b0\u1ee3ng t\u1ec7 th\u00f4ng s\u1ed1 tr\u00ean s\u1ebd kh\u00f4ng t\u1ed1t \u0111\u01b0\u1ee3c nh\u01b0 th\u1ebf.<\/p>\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Tang_chi_phi\"><\/span>4. T\u0103ng chi ph\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>M\u1eb7c d\u00f9 c\u00f3 m\u1ed9t s\u1ed1 d\u1ecbch v\u1ee5 CDN mi\u1ec5n ph\u00ed ch\u1ea5t l\u01b0\u1ee3ng kh\u00e1, v\u00ed d\u1ee5 nh\u01b0 JetPack th\u00ec t\u1ea5t nhi\u00ean c\u00e1c d\u1ecbch v\u1ee5 CDN ch\u1ea5t l\u01b0\u1ee3ng nh\u1ea5t \u0111\u1ec1u l\u00e0 d\u1ea1ng c\u00f3 ph\u00ed c\u1ea3. V\u00e0 nhi\u1ec1u d\u1ecbch v\u1ee5 CDN c\u00f3 ph\u00ed kh\u00f4ng h\u1ec1 r\u1ebb, v\u00ed d\u1ee5 nh\u01b0 KeyCDN, Cloudfront, Fastly. <\/p>\n\n\n<p>Chi ph\u00ed \u0111\u1ed9i th\u00eam c\u00f3 th\u1ec3 l\u00ean \u0111\u1ebfn 5 &#8211; 10$ cho m\u1ed9t website c\u00f3 l\u01b0u l\u01b0\u1ee3ng c\u1ee1 30 &#8211; 50 ng\u00e0n view\/th\u00e1ng, \u0111\u00e2y l\u00e0 kho\u1ea3n ti\u1ec1n kh\u00f4ng nh\u1ecf v\u1edbi c\u00e1c ch\u1ee7 trang eo h\u1eb9p \u0111\u1ea7u t\u01b0 (c\u00f3 t\u00f4i nh\u00e9!).<\/p>\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Co_the_anh_huong_tieu_cuc_den_SEO\"><\/span>5. C\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c \u0111\u1ebfn SEO<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p><a href=\"https:\/\/kiencang.net\/cdn-ket-hop-seo\/\" target=\"_blank\" rel=\"noreferrer noopener\">CDN n\u1ebfu tri\u1ec3n khai \u0111\u00fang c\u00f3 t\u00e1c d\u1ee5ng h\u1ed7 tr\u1ee3 cho SEO<\/a>. C\u00e1c d\u1ecbch v\u1ee5 CDN ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ec1u c\u00f3 thi\u1ebft l\u1eadp m\u1eb7c \u0111\u1ecbnh t\u1ed1t cho SEO, v\u00ed d\u1ee5 li\u00ean quan \u0111\u1ebfn th\u1ebb canonical header (tr\u00e1nh tr\u00f9ng l\u1eb7p n\u1ed9i dung), robots.txt (\u0111\u1ec3 b\u1ecd t\u00ecm ki\u1ebfm qu\u00e9t n\u1ed9i dung CDN). Nh\u01b0ng c\u0169ng c\u00f3 m\u1ed9t v\u00e0i d\u1ecbch v\u1ee5 CDN ch\u1ea5t l\u01b0\u1ee3ng th\u1ea5p ho\u1eb7c c\u00e1c g\u00f3i mi\u1ec5n ph\u00ed b\u1ecf qua v\u1ea5n \u0111\u1ec1 n\u00e0y v\u00e0 \u1ea3nh h\u01b0\u1edfng t\u1ec7 \u0111\u1ebfn SEO c\u1ee7a b\u1ea1n.<\/p>\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_Ton_thoi_gian_tim_hieu_cac_chi_tiet_ky_thuat\"><\/span>6. T\u1ed1n th\u1eddi gian t\u00ecm hi\u1ec3u c\u00e1c chi ti\u1ebft k\u1ef9 thu\u1eadt<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>\u1ede th\u1eddi \u0111i\u1ec3m hi\u1ec7n t\u1ea1i, \u0111a s\u1ed1 c\u00e1c d\u1ecbch v\u1ee5 CDN c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ec1u c\u00f3 c\u00e1c thi\u1ebft l\u1eadp m\u1eb7c \u0111\u1ecbnh r\u1ea5t \u1ed5n \u0111\u1ec3 ng\u01b0\u1eddi d\u00f9ng \u0111\u1ee1 m\u1ea5t c\u00f4ng tri\u1ec3n khai c\u00e1c k\u1ef9 thu\u1eadt qu\u00e1 s\u1ee9c v\u1edbi h\u1ecd, d\u00f9 v\u1eady v\u1eabn t\u1ed3n t\u1ea1i nh\u1eefng CDN m\u00e0 vi\u1ec7c h\u1ed7 tr\u1ee3 n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c t\u1ed1t, \u0111i\u1ec3n h\u00ecnh nh\u01b0 <a href=\"https:\/\/kiencang.net\/huong-dan-su-dung-cdnsun\/\" target=\"_blank\" rel=\"noreferrer noopener\">CDNSun<\/a> b\u1ea1n s\u1ebd ph\u1ea3i r\u1ea5t v\u1ea5t v\u1ea3 \u0111\u1ec3 c\u1ea5u h\u00ecnh th\u00ec m\u1edbi c\u00f3 c\u00e1c thi\u1ebft l\u1eadp ph\u00f9 h\u1ee3p.<\/p>\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7_Ket_luan\"><\/span>7. K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>D\u00f9 CDN n\u1eb1m trong nh\u00f3m c\u00e1c k\u1ef9 thu\u1eadt t\u1ed1t nh\u1ea5t c\u1ea7n tri\u1ec3n khai \u0111\u1ec3 t\u1ed1i \u01b0u t\u1ed1c \u0111\u1ed9, hi\u1ec7u su\u1ea5t website th\u00ec n\u00f3 c\u0169ng kh\u00f4ng ngo\u1ea1i l\u1ec7 v\u1edbi c\u00e2u ch\u00e2m ng\u00f4n &#8220;kh\u00f4ng c\u00f3 c\u00e1i g\u00ec ph\u00f9 h\u1ee3p v\u1edbi t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi&#8221;. Do v\u1eady m\u1ea5u ch\u1ed1t \u1edf \u0111\u00e2y l\u00e0 b\u1ea1n ph\u1ea3i hi\u1ec3u r\u00f5 website c\u1ee7a m\u00ecnh v\u00e0 \u0111\u1ee7 nh\u1ea1y b\u00e9n \u0111\u1ec3 ch\u1ecdn l\u1ef1a d\u1ecbch v\u1ee5 ph\u00f9 h\u1ee3p&#8230;<\/p>\n\n\n<p>Xin ch\u00e0o vs h\u1eb9n g\u1eb7p l\u1ea1i b\u1ea1n trong nh\u1eefng b\u00e0i vi\u1ebft kh\u00e1c.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u1eb7c d\u00f9 CDN c\u00f3 r\u1ea5t nhi\u1ec1u \u01b0u \u0111i\u1ec3m, nh\u01b0ng n\u1ebfu b\u1ea1n d\u00f9ng n\u00f3 theo ki\u1ec3u phong tr\u00e0o (&#8220;ch\u00fang n\u00f3 d\u00f9ng th\u00ec m\u00ecnh c\u0169ng ph\u1ea3i d\u00f9ng th\u00f4i!&#8221;), b\u1ea1n c\u00f3 nguy c\u01a1 g\u00e2y t\u1ed5n h\u1ea1i cho website, v\u00e0 trong b\u00e0i vi\u1ebft n\u00e0y t\u00f4i s\u1ebd ch\u1ec9 ra c\u00e1c nh\u01b0\u1ee3c \u0111i\u1ec3m ch\u1ee7 y\u1ebfu khi s\u1eed d\u1ee5ng CDN, gi\u00fap b\u1ea1n &hellip;<\/p>\n","protected":false},"author":1,"featured_media":21550,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[252],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a d\u1ecbch v\u1ee5 CDN l\u00e0 g\u00ec? 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