{"id":11431,"date":"2019-01-30T08:32:14","date_gmt":"2019-01-30T08:32:14","guid":{"rendered":"https:\/\/www.ducanhplus.com\/?p=11431"},"modified":"2019-01-30T08:32:14","modified_gmt":"2019-01-30T08:32:14","slug":"tiet-kiem-tien-cdn","status":"publish","type":"post","link":"https:\/\/kiencang.net\/tiet-kiem-tien-cdn\/","title":{"rendered":"Ti\u1ebft ki\u1ec7m ti\u1ec1n v\u00e0 gi\u1ea3m thi\u1ec3u r\u1ee7i ro chi ti\u00eau qu\u00e1 m\u1ee9c khi s\u1eed d\u1ee5ng CDN"},"content":{"rendered":"\n<p><a href=\"https:\/\/kiencang.net\/cdn-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">CDN l\u00e0 d\u1ecbch v\u1ee5 gi\u00fap b\u1ea1n t\u0103ng t\u1ed1c website<\/a> r\u1ea5t hi\u1ec7u qu\u1ea3, \u0111\u1eb7c bi\u1ec7t trong tr\u01b0\u1eddng h\u1ee3p ng\u01b0\u1eddi d\u00f9ng web ch\u1ee7 y\u1ebfu c\u1ee7a b\u1ea1n \u1edf xa m\u00e1y ch\u1ee7 g\u1ed1c. Ngo\u00e0i t\u00e1c d\u1ee5ng t\u0103ng t\u1ed1c, CDN c\u00f2n gi\u00fap b\u1ea1n:<\/p>\n\n\n<ul><li><strong>C\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng d\u1ecbch v\u1ee5 d\u1ec5 d\u00e0ng, t\u1ef1 \u0111\u1ed9ng<\/strong>: n\u1ebfu ch\u1ec9 d\u00f9ng m\u00e1y ch\u1ee7 g\u1ed1c \u0111\u1ec3 ph\u1ee5c v\u1ee5 ng\u01b0\u1eddi truy c\u1eadp, vi\u1ec7c m\u1edf r\u1ed9ng t\u1eeb 1 ng\u00e0n ng\u01b0\u1eddi truy c\u1eadp h\u00e0ng ng\u00e0y l\u00ean 10 ng\u00e0n ng\u01b0\u1eddi th\u01b0\u1eddng y\u00eau c\u1ea7u b\u1ea1n ph\u1ea3i \u0111\u1ed5i sang m\u00e1y ch\u1ee7 m\u1edbi c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i t\u1ed1t h\u01a1n, nh\u01b0ng nh\u1edd CDN, b\u1ea1n c\u00f3 th\u1ec3 s\u1ebd kh\u00f4ng ph\u1ea3i \u0111\u1ed5i m\u00e1y ch\u1ee7(*) trong ph\u1ea7n l\u1edbn tr\u01b0\u1eddng h\u1ee3p. L\u00fd do l\u00e0 CDN \u0111\u00e3 gi\u1ea3m t\u1ea3i cho m\u00e1y ch\u1ee7 g\u1ed1c \u0111i r\u1ea5t nhi\u1ec1u r\u1ed3i.<\/li><li><strong>Duy tr\u00ec d\u1ecbch v\u1ee5 \u1ed5n \u0111\u1ecbnh<\/strong>: Gi\u1ea3 d\u1ee5 b\u1ea1n kh\u00f4ng d\u00f9ng CDN, ngay c\u1ea3 khi \u0111\u1ed5i sang m\u00e1y ch\u1ee7 t\u1ed1t h\u01a1n, web c\u1ee7a b\u1ea1n v\u1eabn c\u00f3 th\u1ec3 c\u00f3 l\u01b0\u1ee3ng truy c\u1eadp t\u0103ng b\u1ea5t th\u01b0\u1eddng, v\u00ed d\u1ee5 trong \u0111\u1ee3t khuy\u1ebfn m\u1ea1i, l\u01b0u l\u01b0\u1ee3ng c\u00f3 th\u1ec3 t\u0103ng g\u1ea5p nhi\u1ec1u l\u1ea7n, kh\u00f4ng d\u00f9ng CDN c\u00f3 th\u1ec3 khi\u1ebfn m\u00e1y ch\u1ee7 qu\u00e1 t\u1ea3i g\u00e2y ch\u1eadm hay th\u1eadm ch\u00ed gi\u00e1n \u0111o\u1ea1n d\u1ecbch v\u1ee5. CDN l\u00e0m cho website c\u1ee7a b\u1ea1n c\u00f3 t\u00ecnh \u0111\u00e0n h\u1ed3i v\u1ec1 m\u1eb7t hi\u1ec7u n\u0103ng r\u1ea5t cao. T\u00ednh \u0111\u00e0n h\u1ed3i n\u00e0y gi\u00fap b\u1ea1n tr\u00e1nh ph\u00ed ti\u1ec1n khi ph\u1ea3i n\u00e2ng c\u1ea5p m\u00e1y ch\u1ee7 qu\u00e1 d\u01b0 th\u1eeba ch\u1ec9 \u0111\u1ec3 ch\u1ecbu t\u1ea3i trong m\u1ed9t th\u1eddi gian ng\u1eafn, v\u00e0 n\u00f3 c\u0169ng kh\u00f4ng l\u00e0m b\u1ea1n t\u1ed1n th\u1eddi gian thay \u0111\u1ed5i h\u1ec7 th\u1ed1ng.<\/li><li><strong>T\u0103ng kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i<\/strong> (CTR): \u0110\u00e2y l\u00e0 h\u1ec7 qu\u1ea3 tr\u1ef1c ti\u1ebfp c\u1ee7a t\u1ed1c \u0111\u1ed9 t\u1ed1t h\u01a1n, s\u1ef1 kh\u00e1c bi\u1ec7t chuy\u1ec3n \u0111\u1ed5i ch\u1ec9 v\u00e0i ph\u1ea7n tr\u0103m c\u0169ng c\u00f3 khi \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 s\u1ed1ng c\u00f2n trong kinh doanh.<\/li><\/ul>\n\n\n<p>(*): Vi\u1ec7c n\u00e2ng c\u1ea5p m\u00e1y ch\u1ee7 n\u1ebfu th\u1ef1c hi\u1ec7n t\u1ea1i c\u00f9ng c\u00f4ng ty m\u00e0 b\u1ea1n thu\u00ea hosting c\u00f3 th\u1ec3 r\u1ea5t d\u1ec5 d\u00e0ng, tuy nhi\u00ean n\u1ebfu vi\u1ec7c n\u00e2ng c\u1ea5p \u0111\u00f2i h\u1ecfi b\u1ea1n ph\u1ea3i chuy\u1ec3n sang nh\u00e0 cung c\u1ea5p m\u1edbi th\u00ec vi\u1ec7c n\u00e0y c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t r\u1eafc r\u1ed1i l\u1edbn, \u0111\u1eb7c bi\u1ec7t n\u1ebfu website c\u1ee7a b\u1ea1n \u0111\u1ed3 s\u1ed9, v\u00e0 vi\u1ec7c n\u00e0y ch\u1eafc ch\u1eafn d\u1eabn \u0111\u1ebfn gi\u00e1n \u0111o\u1ea1n d\u1ecbch v\u1ee5 \u00edt nhi\u1ec1u trong th\u1eddi gian chuy\u1ec3n \u0111\u1ed5i &amp; c\u00e1c l\u1ed7i kh\u00e1c c\u00f3 th\u1ec3 ph\u00e1t sinh. B\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o <a href=\"https:\/\/kiencang.net\/chuyen-host-website-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e1ch chuy\u1ec3n host nhanh cho WordPress \u1edf b\u00e0i vi\u1ebft n\u00e0y<\/a>.<\/p>\n\n\n<p>C\u00e1i gi\u00e1 ph\u1ea3i tr\u1ea3 cho nhi\u1ec1u l\u1ee3i \u00edch \u0111\u1ebfn v\u1eady c\u1ee7a CDN l\u00e0 ti\u1ec1n. S\u1ed1 ti\u1ec1n n\u00e0y v\u1ec1 tuy\u1ec7t \u0111\u1ed1i c\u00f3 th\u1ec3 nhi\u1ec1u ho\u1eb7c \u00edt nh\u01b0ng v\u1ec1 t\u1ef7 l\u1ec7 th\u01b0\u1eddng nh\u1ecf h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi l\u1ee3i \u00edch m\u00e0 n\u00f3 mang l\u1ea1i.&nbsp; V\u00ec l\u00fd do \u0111\u00f3 ch\u00fang ta kh\u00f4ng ph\u1ea3i \u0111\u1eafn \u0111o nhi\u1ec1u v\u1ec1 vi\u1ec7c c\u00f3 s\u1eed d\u1ee5ng CDN hay kh\u00f4ng. Tuy nhi\u00ean c\u00e1i g\u00ec c\u0169ng v\u1eady, bi\u1ebft c\u00e1ch s\u1eed d\u1ee5ng CDN h\u1ee3p l\u00fd c\u00f3 th\u1ec3 c\u1eaft gi\u1ea3m kh\u00e1 l\u1edbn chi ph\u00ed m\u00e0 hi\u1ec7u qu\u1ea3 l\u1ea1i t\u01b0\u01a1ng \u0111\u01b0\u01a1ng.<\/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-6577d6c39537c\" ><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-6577d6c39537c\"  type=\"checkbox\" id=\"item-6577d6c39537c\"><\/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\/tiet-kiem-tien-cdn\/#Co_che_tinh_phi_cua_CDN\" title=\"C\u01a1 ch\u1ebf t\u00ednh ph\u00ed c\u1ee7a CDN\">C\u01a1 ch\u1ebf t\u00ednh ph\u00ed c\u1ee7a CDN<\/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\/tiet-kiem-tien-cdn\/#Muc_tieu_la_giam_bang_thong_CDN_khong_phai_giam_so_nguoi_truy_cap_web\" title=\"M\u1ee5c ti\u00eau l\u00e0 gi\u1ea3m b\u0103ng th\u00f4ng CDN kh\u00f4ng ph\u1ea3i gi\u1ea3m s\u1ed1 ng\u01b0\u1eddi truy c\u1eadp web\">M\u1ee5c ti\u00eau l\u00e0 gi\u1ea3m b\u0103ng th\u00f4ng CDN kh\u00f4ng ph\u1ea3i gi\u1ea3m s\u1ed1 ng\u01b0\u1eddi truy c\u1eadp web<\/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\/tiet-kiem-tien-cdn\/#Tiet_kiem_tien_qua_tinh_nang_chon_PoP_may_chu_CDN\" title=\"Ti\u1ebft ki\u1ec7m ti\u1ec1n qua t\u00ednh n\u0103ng ch\u1ecdn PoP (m\u00e1y ch\u1ee7 CDN)\">Ti\u1ebft ki\u1ec7m ti\u1ec1n qua t\u00ednh n\u0103ng ch\u1ecdn PoP (m\u00e1y ch\u1ee7 CDN)<\/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\/tiet-kiem-tien-cdn\/#Giam_rui_ro_qua_tinh_nang_gioi_han_bang_thong_hoacva_chi_phi_tren_thang\" title=\"Gi\u1ea3m r\u1ee7i ro qua t\u00ednh n\u0103ng gi\u1edbi h\u1ea1n b\u0103ng th\u00f4ng ho\u1eb7c\/v\u00e0 chi ph\u00ed tr\u00ean th\u00e1ng\">Gi\u1ea3m r\u1ee7i ro qua t\u00ednh n\u0103ng gi\u1edbi h\u1ea1n b\u0103ng th\u00f4ng ho\u1eb7c\/v\u00e0 chi ph\u00ed tr\u00ean th\u00e1ng<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Co_che_tinh_phi_cua_CDN\"><\/span>C\u01a1 ch\u1ebf t\u00ednh ph\u00ed c\u1ee7a CDN<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>CDN c\u00f3 2 c\u01a1 ch\u1ebf t\u00ednh ph\u00ed c\u01a1 b\u1ea3n, \u0111\u00f3 l\u00e0:<\/p>\n\n\n<ul><li>S\u1eed d\u1ee5ng \u0111\u1ebfn \u0111\u00e2u, t\u00ednh ti\u1ec1n \u0111\u1ebfn \u0111\u1ea5y: ph\u1ea7n l\u1edbn c\u00e1c CDN truy\u1ec1n th\u1ed1ng ho\u1eb7c\/v\u00e0 c\u00f3 c\u1ee1 nh\u1ecf \u0111\u1ebfn trung b\u00ecnh hay \u00e1p d\u1ee5ng c\u00e1ch n\u00e0y. V\u00ed d\u1ee5 nh\u01b0 <a href=\"https:\/\/www.keycdn.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">KeyCDN<\/a>, <a href=\"https:\/\/kiencang.net\/huong-dan-su-dung-cdnsun\/\" target=\"_blank\" rel=\"noreferrer noopener\">CDNSun<\/a>, <a href=\"https:\/\/bunny.net\/\" target=\"_blank\" rel=\"noreferrer noopener\">BunnyCDN<\/a>;<\/li><li>Kh\u00f4ng gi\u1edbi h\u1ea1n b\u0103ng th\u00f4ng ho\u1eb7c b\u0103ng th\u00f4ng c\u00f3 gi\u00e1 r\u1ea5t r\u1ebb \u0111\u1ec3 ng\u01b0\u1eddi d\u00f9ng h\u1ea7u nh\u01b0 kh\u00f4ng ph\u1ea3i quan t\u00e2m \u0111\u1ebfn l\u01b0u l\u01b0\u1ee3ng: ch\u1ec9 m\u1ed9t s\u1ed1 \u00edt CDN c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m \u0111\u01b0\u1ee3c vi\u1ec7c n\u00e0y nh\u01b0 <a href=\"https:\/\/kiencang.net\/category\/cloudflare\/\" target=\"_blank\" rel=\"noreferrer noopener\">Cloudflare<\/a>, <a href=\"https:\/\/www.stackpath.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Stackpath<\/a>, <a href=\"https:\/\/kiencang.net\/goi-tra-phi-quic-cloud\/\" target=\"_blank\" rel=\"noreferrer noopener\">QUIC cloud<\/a>.<\/li><\/ul>\n\n\n<p>Tr\u01b0\u1eddng h\u1ee3p m\u00e0 ch\u00fang ta c\u1ea7n quan t\u00e2m ti\u1ebft ki\u1ec7m l\u00e0 tr\u01b0\u1eddng h\u1ee3p \u0111\u1ea7u ti\u00ean.<\/p>\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Muc_tieu_la_giam_bang_thong_CDN_khong_phai_giam_so_nguoi_truy_cap_web\"><\/span>M\u1ee5c ti\u00eau l\u00e0 gi\u1ea3m b\u0103ng th\u00f4ng CDN kh\u00f4ng ph\u1ea3i gi\u1ea3m s\u1ed1 ng\u01b0\u1eddi truy c\u1eadp web<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>C\u00f4ng th\u1ee9c:<\/p>\n\n\n<p><strong>B\u0103ng th\u00f4ng CDN<\/strong> = S\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi truy c\u1eadp web * dung l\u01b0\u1ee3ng CDN trung b\u00ecnh cho m\u1ed9t l\u1ea7n truy c\u1eadp<\/p>\n\n\n<p>S\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi truy c\u1eadp web c\u00e0ng cao c\u00e0ng t\u1ed1t: \u0111\u00e2y l\u00e0 gi\u1ea3 \u0111\u1ecbnh h\u1ee3p l\u00fd trong ph\u1ea7n l\u1edbn tr\u01b0\u1eddng h\u1ee3p, do v\u1eady gi\u00e1 tr\u1ecb n\u00e0y kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ee5c ti\u00eau c\u1eaft gi\u1ea3m. Nh\u01b0 v\u1eady \u0111\u1ec3 c\u1eaft gi\u1ea3m b\u0103ng th\u00f4ng CDN th\u00ec b\u1ea1n ph\u1ea3i c\u1eaft gi\u1ea3m \u0111\u01b0\u1ee3c dung l\u01b0\u1ee3ng CDN trung b\u00ecnh cho m\u1ed9t l\u1ea7n truy c\u1eadp.<\/p>\n\n\n<p>L\u00e0m th\u1ebf n\u00e0o?<\/p>\n\n\n<p>C\u00e2u tr\u1ea3 l\u1eddi \u0111\u00f3 l\u00e0 gi\u1ea3m dung l\u01b0\u1ee3ng m\u1ed9t c\u00e1ch h\u1ee3p l\u00fd t\u1ea5t c\u1ea3 c\u00e1c th\u00e0nh ph\u1ea7n tr\u00ean web, bao g\u1ed3m:<\/p>\n\n\n<ul><li>\u1ea2nh;<\/li><li>HTML;<\/li><li>CSS;<\/li><li>JS;<\/li><li>PDF;<\/li><li>C\u00e1c file kh\u00e1c n\u1ebfu c\u00f3, th\u00ed d\u1ee5 \u00edt g\u1eb7p (nh\u01b0ng kh\u00f4ng ph\u1ea3i kh\u00f4ng c\u00f3) nh\u01b0 l\u00e0 c\u00e1c file audio.<\/li><\/ul>\n\n\n<p>N\u1ebfu b\u1ea1n \u0111ang d\u00f9ng WordPress, th\u00ec c\u00f3 h\u00e0ng lo\u1ea1t plugin ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t c\u00f3 th\u1ec3 gi\u00fap \u0111\u01b0\u1ee3c b\u1ea1n c\u00f4ng vi\u1ec7c n\u00e0y:<\/p>\n\n\n<ul><li><a href=\"https:\/\/kiencang.net\/plugin-nen-anh-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">Plugin n\u00e9n \u1ea3nh \u0111\u1ec3 gi\u1ea3m dung l\u01b0\u1ee3ng \u1ea3nh b\u1ea1n c\u00f3 th\u1ec3 xem \u1edf \u0111\u00e2y<\/a>, l\u1ef1a ch\u1ecdn nhanh l\u00e0<a href=\"https:\/\/kiencang.net\/plugin-ewww-image-optimizer\/\" target=\"_blank\" rel=\"noreferrer noopener\"> plugin EWWW Image Optimizer<\/a>, n\u00f3 n\u00e9n t\u01b0\u01a1ng \u0111\u1ed1i t\u1ed1t v\u00e0 mi\u1ec5n ph\u00ed. Ngo\u00e0i ra b\u1ea1n c\u1ea7n ph\u1ea3i ch\u00fa \u00fd h\u1ebft s\u1ee9c \u0111\u1ebfn k\u00edch c\u1ee1 \u1ea3nh tr\u01b0\u1edbc khi t\u1ea3i l\u00ean, c\u00f3 l\u1ebd \u0111\u00e2y l\u00e0 l\u1eddi khuy\u00ean h\u01a1i th\u1eeba, v\u00ec ng\u01b0\u1eddi bi\u1ebft tri\u1ec3n khai CDN th\u00ec chuy\u1ec7n n\u00e0y ch\u1eafc \u0111\u00e3 bi\u1ebft r\u00f5. Tuy nhi\u00ean, ng\u01b0\u1eddi d\u00f9ng up n\u1ed9i dung web c\u00f3 tr\u00ecnh \u0111\u1ed9 li\u00ean quan \u0111\u1ebfn web r\u1ea5t \u0111a d\u1ea1ng, c\u00e1c bi\u00ean t\u1eadp vi\u00ean c\u00f3 th\u1ec3 kh\u00f4ng n\u1eafm \u0111\u01b0\u1ee3c th\u00f4ng tin n\u00e0y, b\u1ea1n c\u1ea7n th\u00f4ng b\u00e1o cho h\u1ecd. N\u00f3i th\u00eam m\u1ed9t ch\u00fat v\u1ec1 \u0111\u1ecbnh d\u1ea1ng \u1ea3nh, m\u1ed9t s\u1ed1 d\u1ecbch v\u1ee5 CDN trong \u0111\u00f3 c\u00f3 KeyCDN cho ph\u00e9p s\u1eed d\u1ee5ng <a href=\"https:\/\/kiencang.net\/dinh-dang-anh-webp\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0111\u1ecbnh d\u1ea1ng \u1ea3nh m\u1edbi WebP<\/a> ti\u1ebft ki\u1ec7m dung l\u01b0\u1ee3ng \u0111\u1ebfn 25 &#8211; 30% m\u00e0 ch\u1ea5t l\u01b0\u1ee3ng h\u1ea7u nh\u01b0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng g\u00ec, b\u1ea1n n\u00ean t\u1eadn d\u1ee5ng t\u00ednh n\u0103ng n\u00e0y n\u1ebfu d\u1ecbch v\u1ee5 c\u00f3 tri\u1ec3n khai. L\u01b0u \u00fd khi s\u1eed d\u1ee5ng CDN, m\u00e0 plugin n\u00e9n \u1ea3nh c\u1ee7a b\u1ea1n (v\u00ed d\u1ee5 EWWW) c\u00f3 t\u00ednh n\u0103ng chuy\u1ec3n \u1ea3nh sang WebP th\u00ec b\u1ea1n n\u00ean ki\u1ec3m tra xem n\u00f3 c\u00f3 m\u00e2u thu\u1eabn v\u1edbi d\u1ecbch v\u1ee5 c\u1ee7a CDN hay kh\u00f4ng, nh\u1ea5t l\u00e0 khi d\u1ecbch v\u1ee5 \u0111\u00f3 kh\u00f4ng h\u1ed7 tr\u1ee3 WebP, n\u00f3 c\u00f3 th\u1ec3 <a href=\"https:\/\/kiencang.net\/rac-roi-cdn\/\" target=\"_blank\" rel=\"noreferrer noopener\">l\u00e0m \u1ea3nh c\u1ee7a b\u1ea1n kh\u00f4ng hi\u1ec3n th\u1ecb tr\u00ean m\u1ed9t s\u1ed1 tr\u00ecnh duy\u1ec7t<\/a>.<\/li><li>Gi\u1ea3m dung l\u01b0\u1ee3ng HTML, CSS, JS, l\u1ef1a ch\u1ecdn nhanh l\u00e0 <a href=\"https:\/\/kiencang.net\/plugin-autoptimize\/\" target=\"_blank\" rel=\"noreferrer noopener\">plugin Autoptimze<\/a>, c\u00e1i n\u00e0y c\u0169ng mi\u1ec5n ph\u00ed v\u00e0 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 r\u1ea5t cao.<\/li><li>C\u00e1c file kh\u00e1c nh\u01b0 PDF, audio, v\u00e2n v\u00e2n b\u1ea1n c\u00f3 th\u1ec3 n\u00e9n tr\u01b0\u1edbc t\u1ea1i m\u00e1y t\u00ednh tr\u01b0\u1edbc khi t\u1ea3i l\u00ean web. C\u00e1c ph\u1ea7n m\u1ec1m l\u00e0m vi\u1ec7c n\u00e0y r\u1ea5t ph\u1ed5 bi\u1ebfn v\u00e0 nhi\u1ec1u c\u00e1i mi\u1ec5n ph\u00ed. Ngo\u00e0i ra gi\u1ea3i ph\u00e1p th\u1ee9 hai l\u00e0 t\u1ea3i nh\u1eefng n\u1ed9i dung n\u00e0y l\u00ean b\u00ean th\u1ee9 ba, gi\u1ed1ng nh\u01b0 b\u1ea1n t\u1ea3i video l\u00ean Youtube v\u1eady. C\u00f3 nh\u1eefng \u1ee9ng d\u1ee5ng chuy\u00ean l\u01b0u tr\u1eef file audio, PDF, v\u00e0 cho ph\u00e9p nh\u00fang d\u1ec5 d\u00e0ng v\u00e0o website.<\/li><li>V\u1eabn li\u00ean quan \u0111\u1ebfn \u1ea3nh, m\u1ed9t m\u1eb9o kh\u00e1c r\u1ea5t h\u1eefu \u00edch l\u00e0 <a rel=\"noreferrer noopener\" href=\"https:\/\/kiencang.net\/lazy-load-anh-va-video\/\" target=\"_blank\">s\u1eed d\u1ee5ng t\u00ednh n\u0103ng t\u1ea3i ch\u1eadm \u1ea3nh (lazy load)<\/a>. R\u1ea5t c\u00f4ng hi\u1ec7u n\u1ebfu web c\u00f3 nhi\u1ec1u \u1ea3nh. V\u00ec \u1ea3nh chi\u1ebfm dung l\u01b0\u1ee3ng r\u1ea5t l\u1edbn, trong khi kh\u00f4ng nhi\u1ec1u ng\u01b0\u1eddi duy\u1ec7t web xem to\u00e0n b\u1ed9 b\u00e0i vi\u1ebft, do v\u1eady v\u1edbi ph\u1ea7n n\u1ed9i dung m\u00e0 ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng xem, \u1ea3nh s\u1ebd kh\u00f4ng ph\u1ea3i t\u1ea3i. Lazy load \u1ea3nh c\u00f3 kh\u1ea3 n\u0103ng gi\u00fap gi\u1ea3m t\u1eeb 10% \u0111\u1ebfn 40% dung l\u01b0\u1ee3ng CDN. Tuy nhi\u00ean d\u00f9ng t\u00ednh n\u0103ng n\u00e0y b\u1ea1n c\u1ea7n ki\u1ec3m tra k\u1ef9, xem vi\u1ec7c t\u1ea3i ch\u1eadm c\u00f3 m\u01b0\u1ee3t hay kh\u00f4ng, v\u00ec n\u1ebfu kh\u00f4ng m\u01b0\u1ee3t, \u0111\u1ec3 \u1ea3nh b\u1ecb tr\u1ed1ng khi ng\u01b0\u1eddi d\u00f9ng l\u01b0\u1edbt \u0111\u1ebfn th\u00ec s\u1ebd c\u00f2n h\u1ea1i nhi\u1ec1u h\u01a1n l\u00e0 l\u1ee3i. \u0110\u1ec3 s\u1eed d\u1ee5ng plugin ki\u1ec3u n\u00e0y b\u1ea1n c\u00f3 th\u1ec3 tra Lazy load image plugin, c\u00e0i \u0111\u1eb7t r\u1ed3i tr\u1ea3i nghi\u1ec7m \u0111\u1ec3 ch\u1ecdn c\u00e1i \u01b0ng \u00fd nh\u1ea5t. P\/S: hi\u1ec7n m\u1ed9t trong c\u00e1c <a rel=\"noreferrer noopener\" href=\"https:\/\/kiencang.net\/plugin-flying-images\/\" target=\"_blank\">plugin \u0111\u1ea3m nhi\u1ec7m r\u1ea5t t\u1ed1t vai tr\u00f2 n\u00e0y l\u00e0 Flying Images<\/a>, t\u00f4i khuy\u1ebfn kh\u00edch b\u1ea1n n\u00ean d\u00f9ng th\u1eed. Ngo\u00e0i ra \u0111a s\u1ed1 c\u00e1c plugin cache t\u1ed1t hi\u1ec7n nay \u0111\u1ec1u t\u00edch h\u1ee3p s\u1eb5n t\u00ednh n\u0103ng n\u00e0y.<\/li><li>Ch\u1ed1ng hotlink. C\u00e1i n\u00e0y d\u00f9ng \u0111\u1ec3 tr\u00e1nh c\u00e1c trang web kh\u00e1c s\u1eed d\u1ee5ng link \u1ea3nh c\u1ee7a b\u1ea1n, v\u00e0 gi\u00fap b\u1ea1n \u0111\u1ee1 ti\u00eau hao b\u0103ng th\u00f4ng. B\u1ea1n ch\u1ec9 c\u1ea7n s\u1eeda m\u1ed9t ch\u00fat \u1edf file .htaccess l\u00e0 \u0111\u01b0\u1ee3c, \u0111\u1ec3 s\u1eeda file n\u00e0y c\u00f3 th\u1ec3 d\u00f9ng <a href=\"https:\/\/kiencang.net\/yoast-seo\/\">plugin Yoast SEO<\/a>, thay v\u00ec ph\u1ea3i l\u1ecd m\u1ecd v\u00e0o t\u1eadn b\u00ean trong host s\u1eeda th\u1ee7 c\u00f4ng kh\u00e1 m\u1ea5t th\u1eddi gian. P\/S: b\u1ea1n n\u00ean xem tr\u01b0\u1edbc <a href=\"https:\/\/kiencang.net\/sua-htaccess-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e1ch s\u1eeda file .htaccess \u1edf b\u00e0i n\u00e0y<\/a>.<\/li><\/ul>\n\n\n<p>\u0110o\u1ea1n m\u00e3 ch\u1ed1ng hotlink b\u1ea1n c\u00f3 th\u1ec3 xem m\u1eabu \u1edf \u0111\u00e2y:<\/p>\n\n\n<blockquote class=\"wp-block-quote\"><p>RewriteEngine on<br \/>RewriteCond %{HTTP_REFERER} !^$<br \/>RewriteCond %{HTTP_REFERER} !^http(s)?:\/\/(www\\.)?kiencang.net [NC]<br \/>RewriteRule \\.(jpg|jpeg|png|gif)$ &#8211; [NC,F,L]<\/p><\/blockquote>\n\n\n<p>Trong \u0111\u00f3 b\u1ea1n thay kiencang.net b\u1eb1ng t\u00ean mi\u1ec1n c\u1ee7a b\u1ea1n. N\u1ebfu \u0111o\u1ea1n m\u00e3 tr\u00ean c\u00f3 v\u1ea5n \u0111\u1ec1 g\u00ec, b\u1ea1n c\u00f3 th\u1ec3 v\u00e0o trang n\u00e0y \u0111\u1ec3 s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 t\u1ea1o m\u00e3 ch\u1ed1ng hotlink:&nbsp;<a href=\"http:\/\/www.htaccesstools.com\/hotlink-protection\/\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/www.htaccesstools.com\/hotlink-protection\/<\/a><\/p>\n\n\n<p><strong>Th\u1ef1c t\u1ebf v\u1ec1 vi\u1ec7c ch\u1ed1ng hotlink<\/strong>: t\u00f4i nh\u1eadn th\u1ea5y kh\u00f4ng nhi\u1ec1u trang CDN s\u1eed d\u1ee5ng ch\u1ed1ng hotlink (tr\u1eeb tr\u01b0\u1eddng h\u1ee3p t\u1ed1n qu\u00e1 nhi\u1ec1u b\u0103ng th\u00f4ng CDN do website kh\u00e1c hotlink). L\u00fd do l\u00e0 v\u00ec hotlink c\u00f3 nh\u1eefng l\u1ee3i \u00edch SEO nh\u1ea5t \u0111\u1ecbnh. Khi c\u00e1c trang web kh\u00e1c copy b\u00e0i vi\u1ebft c\u1ee7a b\u1ea1n, c\u00e1c m\u00e1y t\u00ecm ki\u1ebfm bi\u1ebft \u0111i\u1ec1u n\u00e0y, v\u00e0 n\u1ebfu b\u1ea1n \u0111\u1ec3 trang kh\u00e1c hotlink th\u00ec b\u1ea1n ph\u1ea7n n\u00e0o gi\u00fap \u0111i\u1ec3m s\u1ed1 SEO c\u1ee7a trang c\u1ea3i thi\u1ec7n, c\u00e1i n\u00e0y gi\u00e1 tr\u1ecb h\u01a1n nhi\u1ec1u vi\u1ec7c t\u1ed1n b\u0103ng th\u00f4ng trong ph\u1ea7n l\u1edbn tr\u01b0\u1eddng 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=\"Tiet_kiem_tien_qua_tinh_nang_chon_PoP_may_chu_CDN\"><\/span>Ti\u1ebft ki\u1ec7m ti\u1ec1n qua t\u00ednh n\u0103ng ch\u1ecdn PoP (m\u00e1y ch\u1ee7 CDN)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>C\u00e1i n\u00e0y c\u00f2n t\u00f9y thu\u1ed9c v\u00e0o d\u1ecbch v\u1ee5 CDN c\u00f3 cung c\u1ea5p t\u00f9y ch\u1ecdn n\u00e0y hay kh\u00f4ng. N\u1ebfu n\u00f3 cung c\u1ea5p th\u00ec b\u1ea1n n\u00ean s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1ea3m chi ph\u00ed.<\/p>\n\n\n<p>Ph\u1ea7n l\u1edbn c\u00e1c d\u1ecbch v\u1ee5 CDN khi t\u00ednh chi ph\u00ed theo b\u0103ng th\u00f4ng, th\u00eam v\u00e0o \u0111\u00f3 h\u1ecd c\u00f2n t\u00ednh chi ph\u00ed d\u1ef1a tr\u00ean khu v\u1ef1c \u0111\u1eb7t m\u00e1y ch\u1ee7 CDN n\u1eefa. V\u00ed d\u1ee5 \u0111\u00e2y l\u00e0 b\u1ea3ng gi\u00e1 chi ph\u00ed c\u1ee7a CDNSun cho c\u00e1c khu v\u1ef1c kh\u00e1c nhau:<\/p>\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/01\/bang-gia-CDN.png\" alt=\"b\u1ea3ng gi\u00e1 CDN\" class=\"wp-image-11379\"\/><\/figure><\/div>\n\n\n<p>Nh\u00ecn chung khu v\u1ef1c ch\u00e2u \u00c1, ch\u00e2u Phi v\u00e0 Nam M\u1ef9 c\u00f3 gi\u00e1 cao, g\u1ea5p t\u1eeb 2 \u0111\u1ebfn 4 l\u1ea7n khu v\u1ef1c B\u1eafc M\u1ef9 v\u00e0 Ch\u00e2u \u00c2u. B\u1ea1n n\u00ean t\u1eaft PoP \u1edf nh\u1eefng n\u01a1i c\u00f3 chi ph\u00ed cao n\u1ebfu \u1edf \u0111\u00f3 h\u1ea7u nh\u01b0 kh\u00f4ng c\u00f3 ng\u01b0\u1eddi truy c\u1eadp, ho\u1eb7c ngay c\u1ea3 n\u1ebfu c\u00f3 nh\u01b0ng b\u1ea1n th\u1ea5y g\u1ea7n \u0111\u00f3 c\u00f3 nhi\u1ec1u PoP r\u1ebb h\u01a1n (nh\u01b0 \u1edf B\u1eafc M\u1ef9 r\u1ebb h\u01a1n Nam M\u1ef9 nhi\u1ec1u, hay HongKong c\u0169ng kh\u00e1 g\u1ea7n \u0110\u00e0i B\u1eafc m\u00e0 chi ph\u00ed ch\u1ec9 b\u1eb1ng ch\u01b0a \u0111\u1ebfn 2\/3). Khi ph\u1ea7n l\u1edbn kh\u00e1ch truy c\u1eadp c\u1ee7a b\u1ea1n \u1edf Vi\u1ec7t Nam, b\u1ea1n \u0111\u1eebng t\u1eaft PoP \u1edf H\u00e0 N\u1ed9i \u0111i nh\u00e9! \u0110\u00e2y l\u00e0 PoP quan tr\u1ecdng nh\u1ea5t \u0111\u1ea5y \u1ea1.<\/p>\n\n\n<p>T\u00ednh n\u0103ng thay \u0111\u1ed5i location cho PoP c\u1ee7a CDNSun:<\/p>\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/01\/bat-tat-may-chu-CDN.png\" alt=\"b\u1eadt t\u1eaft c\u00e1c v\u1ecb tr\u00ed m\u00e1y ch\u1ee7 CDN kh\u00f4ng quan tr\u1ecdng v\u00e0 t\u1ed1n ti\u1ec1n\" class=\"wp-image-11376\"\/><\/figure><\/div>\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Giam_rui_ro_qua_tinh_nang_gioi_han_bang_thong_hoacva_chi_phi_tren_thang\"><\/span>Gi\u1ea3m r\u1ee7i ro qua t\u00ednh n\u0103ng gi\u1edbi h\u1ea1n b\u0103ng th\u00f4ng ho\u1eb7c\/v\u00e0 chi ph\u00ed tr\u00ean th\u00e1ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>T\u00ednh n\u0103ng n\u00e0y c\u0169ng t\u00f9y thu\u1ed9c v\u00e0o nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 CDN c\u00f3 hay kh\u00f4ng. N\u1ebfu c\u00f3 b\u1ea1n c\u0169ng n\u00ean d\u00f9ng.<\/p>\n\n\n<p>V\u00ed d\u1ee5 n\u1ebfu th\u00f4ng th\u01b0\u1eddng trang web c\u1ee7a b\u1ea1n h\u1ebft 50GB CDN v\u00e0 kho\u1ea3ng 6USD chi ph\u00ed th\u00ec b\u1ea1n n\u00ean \u0111\u1eb7t gi\u1edbi h\u1ea1n l\u00ean g\u1ea5p \u0111\u00f4i ho\u1eb7c g\u1ea5p ba l\u00e0 v\u1eeba. V\u00ec hi\u1ebfm khi ch\u00fang ta c\u00f3 truy c\u1eadp \u0111\u1ed9t bi\u1ebfn t\u00ednh tr\u00ean quy m\u00f4 c\u1ea3 th\u00e1ng. C\u00f2n n\u1ebfu b\u1ea1n d\u1ef1 tr\u00f9 \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u1ed9t bi\u1ebfn th\u00ec b\u1ea1n c\u00f3 th\u1ec3 ch\u1ee7 \u0111\u1ed9ng thay \u0111\u1ed5i con s\u1ed1 n\u00e0y l\u00ean (v\u00ed d\u1ee5 \u0111\u1ee3t khuy\u1ebfn m\u1ea1i m\u00e0 b\u1ea1n s\u1eafp tri\u1ec3n khai). \u0110i\u1ec1u n\u00e0y ch\u1ee7 y\u1ebfu \u0111\u1ec3 ph\u00f2ng tr\u00e1nh ph\u00e1 ho\u1ea1i khi ai \u0111\u00f3 d\u1ef1 t\u00ednh l\u00e0m b\u1ea1n hao ti\u1ec1n t\u1ed1n c\u1ee7a th\u00f4ng qua s\u1eed d\u1ee5ng qu\u00e1 m\u1ee9c t\u00e0i nguy\u00ean CDN. Chuy\u1ec7n n\u00e0y hi\u1ebfm th\u00f4i, nh\u01b0ng d\u00f9 sao ph\u00f2ng v\u1eabn t\u1ed1t h\u01a1n, ch\u00fang ta kh\u00f4ng ai mu\u1ed1n cu\u1ed1i th\u00e1ng c\u00f3 c\u00e1i h\u00f3a \u0111\u01a1n g\u1ea5p 10 l\u1ea7n th\u00f4ng th\u01b0\u1eddng c\u1ea3.<\/p>\n\n\n<p>V\u00ed d\u1ee5 v\u1ec1 t\u00ednh n\u0103ng n\u00e0y \u1edf CDNSun:<\/p>\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/01\/gioi-han-bang-thong-chi-phi.png\" alt=\"gi\u1edbi h\u1ea1n b\u0103ng th\u00f4ng chi ph\u00ed khi s\u1eed d\u1ee5ng CDN\" class=\"wp-image-11432\"\/><\/figure><\/div>\n\n\n<p>B\u00e0i vi\u1ebft \u0111\u1ebfn \u0111\u00e2y l\u00e0 k\u1ebft th\u00fac, n\u1ebfu b\u1ea1n c\u00f3 kinh nghi\u1ec7m n\u00e0o hay v\u1ec1 chuy\u1ec7n n\u00e0y, h\u00e3y chia s\u1ebb \u1edf ph\u1ea7n b\u00ecnh lu\u1eadn nh\u00e9.<\/p>\n\n\n<p>Xem th\u00eam:<\/p>\n\n\n<ul><li><a href=\"https:\/\/kiencang.net\/huong-dan-su-dung-cdnsun\/\" target=\"_blank\" rel=\"noreferrer noopener\">H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng CDNSun \u0111\u1ec3 t\u0103ng t\u1ed1c web<\/a><\/li><li><a href=\"https:\/\/kiencang.net\/huong-dan-su-dung-cloudflare\/\" target=\"_blank\" rel=\"noreferrer noopener\">H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng Cloudflare \u0111\u1ec3 t\u0103ng t\u1ed1c web<\/a><\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>CDN l\u00e0 d\u1ecbch v\u1ee5 gi\u00fap b\u1ea1n t\u0103ng t\u1ed1c website r\u1ea5t hi\u1ec7u qu\u1ea3, \u0111\u1eb7c bi\u1ec7t trong tr\u01b0\u1eddng h\u1ee3p ng\u01b0\u1eddi d\u00f9ng web ch\u1ee7 y\u1ebfu c\u1ee7a b\u1ea1n \u1edf xa m\u00e1y ch\u1ee7 g\u1ed1c. Ngo\u00e0i t\u00e1c d\u1ee5ng t\u0103ng t\u1ed1c, CDN c\u00f2n gi\u00fap b\u1ea1n: C\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng d\u1ecbch v\u1ee5 d\u1ec5 d\u00e0ng, t\u1ef1 \u0111\u1ed9ng: n\u1ebfu ch\u1ec9 d\u00f9ng m\u00e1y ch\u1ee7 g\u1ed1c &hellip;<\/p>\n","protected":false},"author":1,"featured_media":20454,"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>Ti\u1ebft ki\u1ec7m ti\u1ec1n v\u00e0 gi\u1ea3m thi\u1ec3u r\u1ee7i ro chi ti\u00eau qu\u00e1 m\u1ee9c khi s\u1eed d\u1ee5ng CDN &#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\/tiet-kiem-tien-cdn\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ti\u1ebft ki\u1ec7m ti\u1ec1n v\u00e0 gi\u1ea3m thi\u1ec3u r\u1ee7i ro chi ti\u00eau qu\u00e1 m\u1ee9c khi s\u1eed d\u1ee5ng CDN &#8226; Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"og:description\" content=\"CDN l\u00e0 d\u1ecbch v\u1ee5 gi\u00fap b\u1ea1n t\u0103ng t\u1ed1c website r\u1ea5t hi\u1ec7u qu\u1ea3, \u0111\u1eb7c bi\u1ec7t trong tr\u01b0\u1eddng h\u1ee3p ng\u01b0\u1eddi d\u00f9ng web ch\u1ee7 y\u1ebfu c\u1ee7a b\u1ea1n \u1edf xa m\u00e1y ch\u1ee7 g\u1ed1c. Ngo\u00e0i t\u00e1c d\u1ee5ng t\u0103ng t\u1ed1c, CDN c\u00f2n gi\u00fap b\u1ea1n: C\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng d\u1ecbch v\u1ee5 d\u1ec5 d\u00e0ng, t\u1ef1 \u0111\u1ed9ng: n\u1ebfu ch\u1ec9 d\u00f9ng m\u00e1y ch\u1ee7 g\u1ed1c &hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kiencang.net\/tiet-kiem-tien-cdn\/\" \/>\n<meta property=\"og:site_name\" content=\"Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/anhducnguyen87\/\" \/>\n<meta property=\"article:published_time\" content=\"2019-01-30T08:32:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/01\/su-dung-CDN-tiet-kiem.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"640\" \/>\n\t<meta property=\"og:image:height\" content=\"384\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Nguy\u1ec5n \u0110\u1ee9c Anh\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"Nguy\u1ec5n \u0110\u1ee9c Anh\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"9 ph\u00fat\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Ti\u1ebft ki\u1ec7m ti\u1ec1n v\u00e0 gi\u1ea3m thi\u1ec3u r\u1ee7i ro chi ti\u00eau qu\u00e1 m\u1ee9c khi s\u1eed d\u1ee5ng CDN &#8226; Ki\u1ebfn c\u00e0ng","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/kiencang.net\/tiet-kiem-tien-cdn\/","og_locale":"vi_VN","og_type":"article","og_title":"Ti\u1ebft ki\u1ec7m ti\u1ec1n v\u00e0 gi\u1ea3m thi\u1ec3u r\u1ee7i ro chi ti\u00eau qu\u00e1 m\u1ee9c khi s\u1eed d\u1ee5ng CDN &#8226; Ki\u1ebfn c\u00e0ng","og_description":"CDN l\u00e0 d\u1ecbch v\u1ee5 gi\u00fap b\u1ea1n t\u0103ng t\u1ed1c website r\u1ea5t hi\u1ec7u qu\u1ea3, \u0111\u1eb7c bi\u1ec7t trong tr\u01b0\u1eddng h\u1ee3p ng\u01b0\u1eddi d\u00f9ng web ch\u1ee7 y\u1ebfu c\u1ee7a b\u1ea1n \u1edf xa m\u00e1y ch\u1ee7 g\u1ed1c. 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