{"id":19358,"date":"2021-02-14T12:36:18","date_gmt":"2021-02-14T05:36:18","guid":{"rendered":"https:\/\/speed.family\/?p=19358"},"modified":"2022-08-17T21:24:16","modified_gmt":"2022-08-17T14:24:16","slug":"cdn-free-paid","status":"publish","type":"post","link":"https:\/\/kiencang.net\/cdn-free-paid\/","title":{"rendered":"V\u00e0i v\u00ed d\u1ee5 v\u1ec1 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa CDN mi\u1ec5n ph\u00ed &#038; CDN tr\u1ea3 ph\u00ed: k\u1ebft qu\u1ea3 th\u00ec r\u00f5 r\u1ed3i, nh\u01b0ng li\u1ec7u CDN tr\u1ea3 ph\u00ed c\u00f3 t\u1ed1t h\u01a1n nhi\u1ec1u kh\u00f4ng?"},"content":{"rendered":"\n<p>H\u00f4m nay t\u00f4i s\u1ebd l\u00e0m m\u1ed9t so s\u00e1nh nh\u1ecf gi\u1eefa CDN mi\u1ec5n ph\u00ed &amp; CDN tr\u1ea3 ph\u00ed v\u1edbi hai \u1ee9ng c\u1eed vi\u00ean n\u1eb7ng k\u00fd:<\/p>\n\n\n\n<ul><li>Jetpack: \u0111\u00e2y l\u00e0 CDN mi\u1ec5n ph\u00ed c\u1ee7a ch\u00ednh ch\u1ee7 Automatic (ng\u01b0\u1eddi s\u00e1ng l\u1eadp ra WordPress). N\u00f3 c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng kh\u00e1 &amp; ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh nhi\u1ec1u n\u0103m nay;<\/li><li>BunnyCDN: l\u00e0 d\u1ecbch v\u1ee5 CDN m\u1edbi n\u1ed5i trong kho\u1ea3ng v\u00e0i n\u0103m tr\u1edf l\u1ea1i \u0111\u00e2y, \u01b0u \u0111i\u1ec3m l\u00e0 t\u1ed1c \u0111\u1ed9 t\u1ed1t, gi\u00e1 c\u1ea3 th\u00e2n thi\u1ec7n &amp; nhi\u1ec1u t\u00ednh n\u0103ng.<\/li><\/ul>\n\n\n\n<p>OK, let&#8217;s go, ch\u00fang ta s\u1ebd l\u00e0m v\u00e0i b\u00e0i test nh\u1ecf.<\/p>\n\n\n\n<p><strong>Tham kh\u1ea3o th\u00eam<\/strong>: <a href=\"https:\/\/kiencang.net\/cdn-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0111\u00e1nh gi\u00e1 c\u00e1c d\u1ecbch v\u1ee5 CDN t\u1ed1t cho WordPress<\/a>.<\/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-6577d72b8e0f5\" ><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-6577d72b8e0f5\"  type=\"checkbox\" id=\"item-6577d72b8e0f5\"><\/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\/cdn-free-paid\/#Toc_do\" title=\"T\u1ed1c \u0111\u1ed9\">T\u1ed1c \u0111\u1ed9<\/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\/cdn-free-paid\/#Chat_luong_hinh_anh\" title=\"Ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh\">Ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh<\/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\/cdn-free-paid\/#Ten_mien_tuy_chinh\" title=\"T\u00ean mi\u1ec1n t\u00f9y ch\u1ec9nh\">T\u00ean mi\u1ec1n t\u00f9y ch\u1ec9nh<\/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\/cdn-free-paid\/#Canonical_header\" title=\"Canonical header\">Canonical header<\/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\/cdn-free-paid\/#So_luong_noi_dung_duoc_CDN\" title=\"S\u1ed1 l\u01b0\u1ee3ng n\u1ed9i dung \u0111\u01b0\u1ee3c CDN\">S\u1ed1 l\u01b0\u1ee3ng n\u1ed9i dung \u0111\u01b0\u1ee3c CDN<\/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\/cdn-free-paid\/#Cache_hit_ratio\" title=\"Cache hit ratio\">Cache hit ratio<\/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\/cdn-free-paid\/#Uptime\" title=\"Uptime\">Uptime<\/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\/cdn-free-paid\/#Ket_luan\" title=\"K\u1ebft lu\u1eadn\">K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Toc_do\"><\/span>T\u1ed1c \u0111\u1ed9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>T\u00f4i s\u1ebd d\u00f9ng l\u1ec7nh ping \u0111\u1ec3 ki\u1ec3m tra xem th\u1ebf n\u00e0o, c\u00e2u l\u1ec7nh n\u00f3 th\u1ebf n\u00e0y:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ping -t ten-mien-can-kiem-tra.com<\/code><\/pre>\n\n\n\n<p>-t l\u00e0 \u0111\u1ec3 ping li\u00ean t\u1ee5c cho \u0111\u1ebfn khi b\u1ea1n nh\u1ea5n t\u1ed5 h\u1ee3p ph\u00edm Ctrl + C.<\/p>\n\n\n\n<p>\u0110\u00e2y l\u00e0 k\u1ebft qu\u1ea3 v\u1edbi CDN Jetpack:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"622\" height=\"316\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/ping-jetpack.png\" alt=\"k\u1ebft qu\u1ea3 ping t\u1eeb Jetpack\" class=\"wp-image-19360\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/ping-jetpack.png 622w, https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/ping-jetpack-300x152.png 300w\" sizes=\"(max-width: 622px) 100vw, 622px\" \/><\/figure><\/div>\n\n\n<p>&#8212;<\/p>\n\n\n\n<p>K\u1ebft qu\u1ea3 v\u1edbi CDN c\u1ee7a Bunny:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"621\" height=\"315\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/ping-bunnycdn.png\" alt=\"ping BunnyCDN\" class=\"wp-image-19361\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/ping-bunnycdn.png 621w, https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/ping-bunnycdn-300x152.png 300w\" sizes=\"(max-width: 621px) 100vw, 621px\" \/><\/figure><\/div>\n\n\n<p>Nh\u01b0 v\u1eady ch\u00fang ta c\u00f3 th\u1ec3 th\u1ea5y t\u1eeb k\u1ebft qu\u1ea3 ping l\u00e0 Bunny nhanh h\u01a1n &amp; \u1ed5n \u0111\u1ecbnh h\u01a1n. K\u1ebft qu\u1ea3 ch\u00eanh l\u1ec7ch t\u00ednh theo % th\u00ec kh\u00e1 nhi\u1ec1u, kho\u1ea3ng 25%, nh\u01b0ng v\u1ec1 gi\u00e1 tr\u1ecb tuy\u1ec7t \u0111\u1ed1i th\u00ec kh\u00f4ng nhi\u1ec1u l\u1eafm, trung b\u00ecnh ch\u1ec9 11ms (1s = 1000ms).<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p>Ti\u1ebfp theo t\u00f4i s\u1ebd th\u1eed v\u1edbi TTFB. C\u00f4ng c\u1ee5 t\u00f4i d\u00f9ng \u0111\u1ec3 ki\u1ec3m tra l\u00e0: <a href=\"https:\/\/tools.keycdn.com\/performance\" target=\"_blank\" rel=\"noreferrer noopener\">tools.keycdn.com\/performance<\/a><\/p>\n\n\n\n<p>K\u1ebft qu\u1ea3 v\u1edbi Jetpack:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"758\" height=\"579\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/TTFB-jetpack.png\" alt=\"TTFB c\u1ee7a Jetpack\" class=\"wp-image-19362\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/TTFB-jetpack.png 758w, https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/TTFB-jetpack-300x229.png 300w\" sizes=\"(max-width: 758px) 100vw, 758px\" \/><\/figure><\/div>\n\n\n<p>&#8212;<\/p>\n\n\n\n<p>K\u1ebft qu\u1ea3 v\u1edbi BunnyCDN:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"753\" height=\"522\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/TTFB-bunnyCDN.png\" alt=\"TTFB c\u1ee7a BunnyCDN\" class=\"wp-image-19363\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/TTFB-bunnyCDN.png 753w, https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/TTFB-bunnyCDN-300x208.png 300w\" sizes=\"(max-width: 753px) 100vw, 753px\" \/><\/figure><\/div>\n\n\n<p>K\u1ebft qu\u1ea3 cho th\u1ea5y BunnyCDN t\u1ed1t h\u01a1n. Tuy nhi\u00ean c\u00e1c l\u01b0\u1ee3t ki\u1ec3m tra ti\u1ebfp theo th\u00ec th\u1eadt k\u1ef3 l\u1ea1, Jetpack l\u1ea1i cho k\u1ebft qu\u1ea3 t\u1ed1t h\u01a1n Bunny r\u1ea5t r\u00f5 r\u00e0ng! V\u00ed d\u1ee5:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"744\" height=\"581\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/TTFB-jetpack-2.png\" alt=\"k\u1ebft qu\u1ea3 ki\u1ec3m tra TTFB l\u1ea7n hai v\u1edbi Jetpack\" class=\"wp-image-19364\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/TTFB-jetpack-2.png 744w, https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/TTFB-jetpack-2-300x234.png 300w\" sizes=\"(max-width: 744px) 100vw, 744px\" \/><\/figure><\/div>\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Chat_luong_hinh_anh\"><\/span>Ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0110\u00e2y l\u00e0 v\u00e0i \u1ea3nh \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a b\u1edfi Jetpack:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"657\" height=\"367\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/HD-YouTube-jetpack.png\" alt=\"Ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh c\u1ee7a CDN Jetpack\" class=\"wp-image-19366\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/HD-YouTube-jetpack.png 657w, https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/HD-YouTube-jetpack-300x168.png 300w\" sizes=\"(max-width: 657px) 100vw, 657px\" \/><\/figure>\n\n\n\n<p>v\u00e0<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"503\" height=\"258\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/xem-toan-man-hinh-jetpack.png\" alt=\"Ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh c\u1ee7a CDN Jetpack\" class=\"wp-image-19367\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/xem-toan-man-hinh-jetpack.png 503w, https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/xem-toan-man-hinh-jetpack-300x154.png 300w\" sizes=\"(max-width: 503px) 100vw, 503px\" \/><\/figure>\n\n\n\n<p>&#8212;<\/p>\n\n\n\n<p>C\u00f2n \u0111\u00e2y l\u00e0 h\u00ecnh \u1ea3nh tr\u00ean CDN c\u1ee7a Bunny:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"657\" height=\"367\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/HD-YouTube.png\" alt=\"Ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh c\u1ee7a BunnyCDN\" class=\"wp-image-19368\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/HD-YouTube.png 657w, https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/HD-YouTube-300x168.png 300w\" sizes=\"(max-width: 657px) 100vw, 657px\" \/><\/figure>\n\n\n\n<p>v\u00e0<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"503\" height=\"258\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/xem-toan-man-hinh.png\" alt=\"Ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh c\u1ee7a BunnyCDN\" class=\"wp-image-19369\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/xem-toan-man-hinh.png 503w, https:\/\/kiencang.net\/wp-content\/uploads\/2021\/02\/xem-toan-man-hinh-300x154.png 300w\" sizes=\"(max-width: 503px) 100vw, 503px\" \/><\/figure>\n\n\n\n<p>C\u00f3 kh\u1ea3 n\u0103ng l\u00e0 b\u1ea1n kh\u00f3 ph\u00e2n bi\u1ec7t, v\u00ec c\u00e1c \u1ea3nh tr\u00ean trang n\u00e0y l\u1ea1i \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u l\u1ea7n n\u1eefa th\u00f4ng qua QUIC cloud. <\/p>\n\n\n\n<p>Tr\u00ean th\u1ef1c t\u1ebf ch\u1ea5t l\u01b0\u1ee3ng kh\u00e1c nhau kh\u00e1 r\u00f5. V\u00ec BunnyCDN gi\u1eef nguy\u00ean ch\u1ea5t l\u01b0\u1ee3ng \u1ea3nh \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp \u1edf website, trong khi Jetpack ch\u1ee7 \u0111\u1ed9ng s\u1eed d\u1ee5ng n\u00e9n \u1ea3nh m\u1ea5t ch\u1ea5t l\u01b0\u1ee3ng, c\u00e1i l\u1ee3i l\u00e0 dung l\u01b0\u1ee3ng c\u00f3 th\u1ec3 gi\u1ea3m \u0111i 50%, nh\u01b0ng m\u1ed9t s\u1ed1 \u1ea3nh kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eafc n\u00e9t.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ten_mien_tuy_chinh\"><\/span>T\u00ean mi\u1ec1n t\u00f9y ch\u1ec9nh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Bunny cho ph\u00e9p ch\u00fang ta s\u1eed d\u1ee5ng t\u00ean mi\u1ec1n t\u00f9y ch\u1ec9nh \u0111\u1eb9p &amp; c\u00f3 th\u1ec3 t\u1ed1t h\u01a1n cho SEO d\u1ea1ng: <\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>cdn.ten-mien-cua-ban.com<\/code><\/pre>\n\n\n\n<p>Trong khi Jetpack th\u00ec kh\u00f4ng, h\u1ecd s\u1eed d\u1ee5ng m\u1eb7c \u0111\u1ecbnh c\u00e1c c\u1ee5m t\u00ean mi\u1ec1n sau \u0111\u1ec3 l\u00e0m CDN cho b\u1ea1n:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>i0.wp.com\ni1.wp.com\ni2.wp.com\nc0.wp.com<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Canonical_header\"><\/span>Canonical header<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>C\u1ea3 BunnyCDN &amp; Jetpack \u0111\u1ec1u s\u1eed d\u1ee5ng th\u1ebb canonical header \u0111\u1ec3 <a href=\"https:\/\/kiencang.net\/cdn-ket-hop-seo\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0111\u1ea3m b\u1ea3o SEO cho c\u00e1c n\u1ed9i dung CDN<\/a>. JetPack l\u00e0 d\u1ecbch v\u1ee5 CDN mi\u1ec5n ph\u00ed hi\u1ebfm hoi c\u00f3 t\u00ednh n\u0103ng n\u00e0y, \u0111a s\u1ed1 c\u00e1c d\u1ecbch v\u1ee5 kh\u00e1c kh\u00f4ng tri\u1ec3n khai \u1edf g\u00f3i free, ch\u1ec9 g\u00f3i c\u00f3 ph\u00ed m\u1edbi \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o SEO.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"So_luong_noi_dung_duoc_CDN\"><\/span>S\u1ed1 l\u01b0\u1ee3ng n\u1ed9i dung \u0111\u01b0\u1ee3c CDN<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>BunnyCDN s\u1ebd \u0111\u1ea9y l\u00ean CDN to\u00e0n b\u1ed9 n\u1ed9i dung t\u0129nh c\u1ee7a b\u1ea1n bao g\u1ed3m CSS, JS, \u1ea3nh.<\/p>\n\n\n\n<p>Jetpack \u0111\u1ea9y l\u00ean CDN to\u00e0n b\u1ed9 \u1ea3nh c\u1ee7a b\u1ea1n, v\u00e0 ch\u1ec9 m\u1ed9t s\u1ed1 CSS, JS ph\u1ed5 bi\u1ebfn (b\u1ea1n b\u1eadt m\u00e3 ngu\u1ed3n ki\u1ec3m tra l\u00e0 s\u1ebd th\u1ea5y).<\/p>\n\n\n\n<p>Nh\u01b0 v\u1eady v\u1ec1 m\u1eb7t gi\u1ea3m thi\u1ec3u truy v\u1ea5n \u0111\u1ebfn m\u00e1y ch\u1ee7 g\u1ed1c th\u00ec d\u00f9ng BunnyCDN s\u1ebd t\u1ed1t h\u01a1n.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cache_hit_ratio\"><\/span>Cache hit ratio<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Ch\u00fang ta kh\u00f4ng bi\u1ebft r\u00f5 cache hit rate c\u1ee7a JetPack v\u00ec h\u1ecd kh\u00f4ng c\u00f3 th\u1ed1ng k\u00ea \u0111\u00f3, trong khi v\u1edbi BunnyCDN, t\u1ef7 l\u1ec7 n\u00e0y c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u1ebfn 95% do h\u1ecd \u00e1p d\u1ee5ng c\u00e1c c\u1ea3i ti\u1ebfn k\u1ef9 thu\u1eadt m\u00e0 c\u1ee5 th\u1ec3 l\u00e0 <a href=\"https:\/\/kiencang.net\/gioi-thieu-perma-cache\/\" target=\"_blank\" rel=\"noreferrer noopener\">perma-cache<\/a>.<\/p>\n\n\n\n<p>M\u1ed9t c\u00e1ch t\u1ed5ng qu\u00e1t th\u00ec c\u00f3 th\u1ec3 kh\u1eb3ng \u0111\u1ecbnh r\u1eb1ng cache hit rate c\u1ee7a h\u1ea7u h\u1ebft c\u00e1c d\u1ecbch v\u1ee5 tr\u1ea3 ph\u00ed s\u1ebd t\u1ed1t h\u01a1n mi\u1ec5n ph\u00ed.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Uptime\"><\/span>Uptime<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>C\u1ea3 JetPack v\u00e0 BunnyCDN \u0111\u1ec1u c\u00f3 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u1ef1c l\u1edbn do v\u1eady uptime c\u1ee7a h\u1ecd th\u01b0\u1eddng \u0111\u1ea1t m\u1ee9c 99,99% trong th\u1eddi gian m\u1ed9t n\u0103m.<\/p>\n\n\n\n<p>H\u1ea7u h\u1ebft c\u00e1c d\u1ecbch v\u1ee5 CDN mi\u1ec5n ph\u00ed kh\u00e1c th\u00ec kh\u00f4ng c\u00f3 cam k\u1ebft v\u1ec1 uptime.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span>K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>K\u1ebft lu\u1eadn ch\u1eb3ng c\u00f3 g\u00ec h\u1ea5p d\u1eabn: d\u00f9ng CDN tr\u1ea3 ph\u00ed t\u1ed1t h\u01a1n CDN mi\u1ec5n ph\u00ed.<\/p>\n\n\n\n<p>V\u1eady \u00fd ngh\u0129a c\u1ee7a b\u00e0i test n\u00e0y l\u00e0 g\u00ec? Ai ch\u1eb3ng bi\u1ebft CDN tr\u1ea3 ph\u00ed s\u1ebd t\u1ed1t h\u01a1n!<\/p>\n\n\n\n<p>OK, v\u1ea5n \u0111\u1ec1 \u1edf \u0111\u00e2y l\u00e0 b\u00e0i test cho b\u1ea1n bi\u1ebft kho\u1ea3ng c\u00e1ch c\u1ee5 th\u1ec3 gi\u1eefa 2 d\u1ecbch v\u1ee5. B\u1ea1n bi\u1ebft \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a t\u1eebng c\u00e1i. V\u00e0 n\u1ebfu \u0111\u1ecbnh d\u00f9ng CDN mi\u1ec5n ph\u00ed th\u00ec b\u1ea1n c\u0169ng hi\u1ec3u r\u00f5 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a n\u00f3 l\u00e0 g\u00ec.<\/p>\n\n\n\n<p>Yep. CDN mi\u1ec5n ph\u00ed c\u1ee7a Jetpack v\u1eabn r\u1ea5t \u1ed5n, c\u00f3 t\u1ed1c \u0111\u1ed9 t\u1ed1t, v\u1eabn \u0111\u1ea3m b\u1ea3o SEO nh\u1ea5t \u0111\u1ecbnh d\u00f9 kh\u00f4ng c\u00f3 t\u00ean mi\u1ec1n t\u00f9y ch\u1ec9nh. N\u1ebfu b\u1ea1n kh\u00f4ng mu\u1ed1n t\u1ed1n ti\u1ec1n cho CDN th\u00ec Jetpack l\u00e0 m\u1ed9t ch\u1ecdn l\u1ef1a \u0111\u00e1ng tin c\u1eady.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>H\u00f4m nay t\u00f4i s\u1ebd l\u00e0m m\u1ed9t so s\u00e1nh nh\u1ecf gi\u1eefa CDN mi\u1ec5n ph\u00ed &amp; CDN tr\u1ea3 ph\u00ed v\u1edbi hai \u1ee9ng c\u1eed vi\u00ean n\u1eb7ng k\u00fd: Jetpack: \u0111\u00e2y l\u00e0 CDN mi\u1ec5n ph\u00ed c\u1ee7a ch\u00ednh ch\u1ee7 Automatic (ng\u01b0\u1eddi s\u00e1ng l\u1eadp ra WordPress). N\u00f3 c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng kh\u00e1 &amp; ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh nhi\u1ec1u n\u0103m nay; BunnyCDN: l\u00e0 d\u1ecbch &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"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>V\u00e0i v\u00ed d\u1ee5 v\u1ec1 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa CDN mi\u1ec5n ph\u00ed &amp; CDN tr\u1ea3 ph\u00ed: k\u1ebft qu\u1ea3 th\u00ec r\u00f5 r\u1ed3i, nh\u01b0ng li\u1ec7u CDN tr\u1ea3 ph\u00ed c\u00f3 t\u1ed1t h\u01a1n nhi\u1ec1u kh\u00f4ng? &#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\/cdn-free-paid\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"V\u00e0i v\u00ed d\u1ee5 v\u1ec1 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa CDN mi\u1ec5n ph\u00ed &amp; CDN tr\u1ea3 ph\u00ed: k\u1ebft qu\u1ea3 th\u00ec r\u00f5 r\u1ed3i, nh\u01b0ng li\u1ec7u CDN tr\u1ea3 ph\u00ed c\u00f3 t\u1ed1t h\u01a1n nhi\u1ec1u kh\u00f4ng? &#8226; Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"og:description\" content=\"H\u00f4m nay t\u00f4i s\u1ebd l\u00e0m m\u1ed9t so s\u00e1nh nh\u1ecf gi\u1eefa CDN mi\u1ec5n ph\u00ed &amp; CDN tr\u1ea3 ph\u00ed v\u1edbi hai \u1ee9ng c\u1eed vi\u00ean n\u1eb7ng k\u00fd: Jetpack: \u0111\u00e2y l\u00e0 CDN mi\u1ec5n ph\u00ed c\u1ee7a ch\u00ednh ch\u1ee7 Automatic (ng\u01b0\u1eddi s\u00e1ng l\u1eadp ra WordPress). 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