{"id":18698,"date":"2021-12-26T16:21:00","date_gmt":"2021-12-26T09:21:00","guid":{"rendered":"https:\/\/speed.family\/?p=18698"},"modified":"2023-08-25T12:55:32","modified_gmt":"2023-08-25T05:55:32","slug":"cdn-giup-tang-toc-website","status":"publish","type":"post","link":"https:\/\/kiencang.net\/cdn-giup-tang-toc-website\/","title":{"rendered":"CDN gi\u00fap t\u0103ng t\u1ed1c website c\u1ee7a b\u1ea1n nh\u01b0 th\u1ebf n\u00e0o?"},"content":{"rendered":"\n<p><strong>Ch\u00fa th\u00edch c\u1ee7a ng\u01b0\u1eddi bi\u00ean t\u1eadp<\/strong>: b\u00e0i vi\u1ebft n\u00e0y s\u1ebd l\u00fd gi\u1ea3i t\u1ea1i sao CDN l\u1ea1i gi\u00fap website t\u1ea3i nhanh h\u01a1n, c\u00f9ng c\u00e1c c\u00f4ng ngh\u1ec7 c\u0103n b\u1ea3n \u1ea9n d\u01b0\u1edbi n\u00f3. <\/p>\n\n\n\n<p>V\u1ec1 c\u01a1 b\u1ea3n c\u00f3 m\u1ea5y th\u1ee9 sau:<\/p>\n\n\n\n<ul>\n<li>N\u1ed9i dung g\u1ea7n ng\u01b0\u1eddi d\u00f9ng h\u01a1n gi\u00fap gi\u1ea3m \u0111\u1ed9 tr\u1ec5;<\/li>\n\n\n\n<li>C\u00e1c c\u00f4ng ngh\u1ec7 n\u00e9n gi\u00fap gi\u1ea3m thi\u1ec3u d\u1eef li\u1ec7u;<\/li>\n\n\n\n<li>\u1ed4 c\u1ee9ng SSD &amp; kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp l\u1edbn nh\u1edd <a href=\"https:\/\/kiencang.net\/can-bang-tai-cua-cloudflare\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e2n b\u1eb1ng t\u1ea3i<\/a>.<\/li>\n<\/ul>\n\n\n\n<p>Ki\u1ebfn th\u1ee9c \u1edf b\u00e0i n\u00e0y r\u1ea5t th\u00edch h\u1ee3p v\u1edbi nh\u1eefng ai m\u1edbi t\u00ecm hi\u1ec3u v\u1ec1 CDN.<\/p>\n\n\n\n<p>OK, gi\u1edd ch\u00fang ta s\u1ebd \u0111i v\u00e0o chi ti\u1ebft b\u00e0i vi\u1ebft c\u1ee7a Cloudflare nh\u00e9.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p>H\u1ea7u nh\u01b0 t\u1ea5t c\u1ea3 ng\u01b0\u1eddi d\u00f9ng Internet ng\u00e0y nay \u0111\u1ec1u \u0111\u00e3 c\u00f3 c\u00e1c tr\u1ea3i nghi\u1ec7m v\u1ec1 l\u1ee3i \u00edch m\u00e0 <a href=\"https:\/\/kiencang.net\/cdn-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">CDN \/ Content Distribution Network (m\u1ea1ng ph\u00e2n ph\u1ed1i n\u1ed9i dung)<\/a> \u0111em l\u1ea1i r\u1ed3i.&nbsp;Ph\u1ea7n \u0111a c\u00e1c c\u00f4ng ty c\u00f4ng ngh\u1ec7 l\u1edbn, ch\u1eb3ng h\u1ea1n nh\u01b0 Google, Apple v\u00e0 Microsoft \u0111\u1ec1u s\u1eed d\u1ee5ng CDN \u0111\u1ec3 gi\u1ea3m \u0111\u1ed9 tr\u1ec5 (latency) khi ng\u01b0\u1eddi d\u00f9ng t\u1ea3i n\u1ed9i dung trang web.<\/p>\n\n\n\n<p>C\u00f4ng ty CDN th\u01b0\u1eddng s\u1ebd \u0111\u1eb7t c\u00e1c m\u00e1y ch\u1ee7 t\u1ea1i nh\u1eefng \u0111i\u1ec3m trao \u0111\u1ed5i gi\u1eefa c\u00e1c m\u1ea1ng kh\u00e1c nhau.&nbsp;Nh\u1eefng&nbsp;<a href=\"https:\/\/kiencang.net\/diem-trao-doi-internet\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0111i\u1ec3m trao \u0111\u1ed5i internet (IXP \/ Internet Exchange Points)<\/a>&nbsp;n\u00e0y l\u00e0 <strong>nh\u1eefng \u0111\u1ecba \u0111i\u1ec3m ch\u00ednh m\u00e0 c\u00e1c nh\u00e0 cung c\u1ea5p internet kh\u00e1c nhau li\u00ean k\u1ebft v\u1edbi nhau<\/strong> \u0111\u1ec3 cung c\u1ea5p cho nhau quy\u1ec1n truy c\u1eadp v\u00e0o c\u00e1c t\u00e0i nguy\u00ean tr\u00ean c\u00e1c m\u1ea1ng kh\u00e1c nhau c\u1ee7a h\u1ecd.&nbsp;<\/p>\n\n\n\n<p>Ngo\u00e0i IXP, c\u00f4ng ty CDN s\u1ebd \u0111\u1eb7t c\u00e1c m\u00e1y ch\u1ee7 trong&nbsp;c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u&nbsp;\u1edf c\u00e1c v\u1ecb tr\u00ed tr\u00ean to\u00e0n c\u1ea7u <strong>t\u1ea1i c\u00e1c khu v\u1ef1c c\u00f3 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp cao v\u00e0 c\u00e1c v\u1ecb tr\u00ed chi\u1ebfn l\u01b0\u1ee3c<\/strong> \u0111\u1ec3 c\u00f3 th\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 k\u1ebft n\u1ed1i nhanh nh\u1ea5t c\u00f3 th\u1ec3.<\/p>\n\n\n\n<p>L\u1ee3i \u00edch ch\u00ednh c\u1ee7a CDN l\u00e0 kh\u1ea3 n\u0103ng cung c\u1ea5p n\u1ed9i dung nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n.&nbsp;T\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t CDN c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh ba m\u1ee5c ch\u00ednh:<\/p>\n\n\n\n<ol>\n<li><strong>Gi\u1ea3m kho\u1ea3ng c\u00e1ch<\/strong>&nbsp;&#8211; gi\u1ea3m kho\u1ea3ng c\u00e1ch v\u1eadt l\u00fd gi\u1eefa m\u00e1y kh\u00e1ch v\u00e0 n\u01a1i \u0111\u1eb7t d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u;<\/li>\n\n\n\n<li><strong>T\u1ed1i \u01b0u h\u00f3a ph\u1ea7n c\u1ee9ng \/ ph\u1ea7n m\u1ec1m<\/strong>&nbsp;&#8211; c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a&nbsp;c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng ph\u00eda m\u00e1y ch\u1ee7 g\u1ed1c, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng \u1ed5 c\u1ee9ng th\u1ec3 r\u1eafn (SSD) v\u00e0 c\u00e2n b\u1eb1ng t\u1ea3i (load balancing) hi\u1ec7u qu\u1ea3 h\u01a1n;<\/li>\n\n\n\n<li><strong>Gi\u1ea3m truy\u1ec1n d\u1eef li\u1ec7u<\/strong>&nbsp;&#8211; s\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt \u0111\u1ec3 gi\u1ea3m k\u00edch th\u01b0\u1edbc t\u1ec7p, nh\u1edd v\u1eady t\u1ea3i trang ban \u0111\u1ea7u di\u1ec5n ra nhanh h\u01a1n.<\/li>\n<\/ol>\n\n\n\n<p>\u0110\u1ec3 hi\u1ec3u l\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng CDN, h\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u xem c\u00e1ch truy\u1ec1n d\u1eef li\u1ec7u gi\u1eefa m\u00e1y kh\u00e1ch &amp; m\u00e1y ch\u1ee7 di\u1ec5n ra nh\u01b0 th\u1ebf n\u00e0o khi kh\u00f4ng c\u00f3 CDN.<\/p>\n\n\n\n<p class=\"has-luminous-vivid-amber-background-color has-background\">PS: n\u1ebfu b\u1ea1n mu\u1ed1n t\u00ecm <a href=\"https:\/\/kiencang.net\/cdn-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e1c d\u1ecbch v\u1ee5 CDN t\u1ed1t cho website n\u00f3i chung, v\u00e0 WordPress n\u00f3i ri\u00eang, h\u00e3y tham kh\u1ea3o b\u00e0i vi\u1ebft n\u00e0y<\/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-6577d6288c8c4\" ><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-6577d6288c8c4\"  type=\"checkbox\" id=\"item-6577d6288c8c4\"><\/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-giup-tang-toc-website\/#Su_khac_biet_ve_thoi_gian_tai_khi_CO_KHONG_co_CDN_la_gi\" title=\"S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 th\u1eddi gian t\u1ea3i khi C\u00d3 &amp; KH\u00d4NG c\u00f3 CDN l\u00e0 g\u00ec?\">S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 th\u1eddi gian t\u1ea3i khi C\u00d3 &amp; KH\u00d4NG c\u00f3 CDN l\u00e0 g\u00ec?<\/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-giup-tang-toc-website\/#CDN_tai_noi_dung_nhu_the_nao_Bo_nho_dem_la_gi\" title=\"CDN t\u1ea3i n\u1ed9i dung nh\u01b0 th\u1ebf n\u00e0o?&nbsp;B\u1ed9 nh\u1edb \u0111\u1ec7m l\u00e0 g\u00ec?\">CDN t\u1ea3i n\u1ed9i dung nh\u01b0 th\u1ebf n\u00e0o?&nbsp;B\u1ed9 nh\u1edb \u0111\u1ec7m l\u00e0 g\u00ec?<\/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-giup-tang-toc-website\/#CDN_giam_kich_thuoc_tep_de_tang_toc_do_nhu_the_nao\" title=\"CDN gi\u1ea3m k\u00edch th\u01b0\u1edbc t\u1ec7p \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 nh\u01b0 th\u1ebf n\u00e0o?\">CDN gi\u1ea3m k\u00edch th\u01b0\u1edbc t\u1ec7p \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 nh\u01b0 th\u1ebf n\u00e0o?<\/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-giup-tang-toc-website\/#Dich_vu_CDN_co_the_su_dung_phan_cung_nhu_the_nao_de_cai_thien_toc_do\" title=\"D\u1ecbch v\u1ee5 CDN c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ph\u1ea7n c\u1ee9ng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ec3 c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9?\">D\u1ecbch v\u1ee5 CDN c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ph\u1ea7n c\u1ee9ng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ec3 c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9?<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"s\u1ef1-khac-bi\u1ec7t-v\u1ec1-th\u1eddi-gian-t\u1ea3i-khi-co-khong-co-cdn-la-gi\"><span class=\"ez-toc-section\" id=\"Su_khac_biet_ve_thoi_gian_tai_khi_CO_KHONG_co_CDN_la_gi\"><\/span>S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 th\u1eddi gian t\u1ea3i khi C\u00d3 &amp; KH\u00d4NG c\u00f3 CDN l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng r\u1eb1ng ai \u0111\u00f3 \u1edf New York c\u1ea7n truy c\u1eadp m\u1ed9t trang web \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean <a href=\"https:\/\/kiencang.net\/may-chu-goc\/\" target=\"_blank\" rel=\"noreferrer noopener\">m\u00e1y ch\u1ee7 g\u1ed1c<\/a> \u1edf t\u1eadn Singapore.&nbsp;Kho\u1ea3ng c\u00e1ch v\u1eadt l\u00fd gi\u1eefa hai \u0111\u1ecba \u0111i\u1ec3m n\u00e0y l\u00e0 r\u1ea5t l\u1edbn, v\u1edbi \u0111\u1ed9 d\u00e0i l\u00ean \u0111\u1ebfn 9520 d\u1eb7m (15320 km).<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/01\/may-chu-goc-xa.png\" alt=\"kho\u1ea3ng c\u00e1ch xa gi\u1eefa m\u00e1y kh\u00e1ch v\u00e0 m\u00e1y ch\u1ee7 g\u1ed1c\" class=\"wp-image-18709\"\/><\/figure><\/div>\n\n\n<p>N\u1ebfu m\u00e1y ch\u1ee7 l\u01b0u tr\u1eef n\u1ed9i dung trang web (m\u00e1y ch\u1ee7 g\u1ed1c) \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u1ea1i Singapore, th\u00ec m\u1ed7i y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi m\u1ed7i n\u1ed9i dung c\u1ee7a trang web s\u1ebd ph\u1ea3i \u0111i t\u1eeb New York \u0111\u1ebfn Singapore r\u1ed3i quay ng\u01b0\u1ee3c l\u1ea1i l\u1ea7n n\u1eefa (\u0111\u1ec3 tr\u1ea3 k\u1ebft qu\u1ea3 v\u1ec1 cho m\u00e1y kh\u00e1ch).&nbsp;<\/p>\n\n\n\n<p>Gi\u1ed1ng nh\u01b0 ai \u0111\u00f3 th\u1ef1c hi\u1ec7n m\u1ed9t chuy\u1ebfn bay qu\u1ed1c t\u1ebf v\u1edbi nhi\u1ec1u k\u1ebft n\u1ed1i s\u00e2n bay tr\u00ean \u0111\u01b0\u1eddng \u0111i, m\u1ed7i y\u00eau c\u1ea7u ph\u1ea3i di chuy\u1ec3n qua m\u1ed9t lo\u1ea1t b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn (router) d\u1ecdc theo h\u00e0nh tr\u00ecnh xa x\u00f4i c\u1ee7a n\u00f3 t\u1eeb \u0111i\u1ec3m A \u0111\u1ebfn \u0111i\u1ec3m B.<\/p>\n\n\n\n<p>N\u1ebfu b\u1ea1n mu\u1ed1n xem m\u1ed9t v\u00ed d\u1ee5 th\u1ef1c t\u1ebf v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng k\u1ebft n\u1ed1i (b\u01b0\u1edbc nh\u1ea3y) kh\u00e1c nhau m\u00e0 m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n c\u1ea7n \u0111\u1ec3 \u0111\u1ebfn m\u1ed9t d\u1ecbch v\u1ee5 web c\u1ee5 th\u1ec3 t\u1eeb v\u1ecb tr\u00ed hi\u1ec7n t\u1ea1i c\u1ee7a b\u1ea1n, h\u00e3y theo d\u00f5i b\u1eb1ng c\u00f4ng c\u1ee5 traceroute tr\u00ean m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"849\" height=\"564\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/01\/nhieu-diem-trung-gian.png\" alt=\"kho\u1ea3ng c\u00e1ch xa khi\u1ebfn n\u00f3 ph\u1ea3i \u0111i qua nhi\u1ec1u b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 l\u00e0m t\u0103ng \u0111\u1ed9 tr\u1ec5\" class=\"wp-image-18710\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/01\/nhieu-diem-trung-gian.png 849w, https:\/\/kiencang.net\/wp-content\/uploads\/2021\/01\/nhieu-diem-trung-gian-300x199.png 300w, https:\/\/kiencang.net\/wp-content\/uploads\/2021\/01\/nhieu-diem-trung-gian-768x510.png 768w\" sizes=\"(max-width: 849px) 100vw, 849px\" \/><\/figure><\/div>\n\n\n<p>V\u00ec y\u00eau c\u1ea7u t\u1eeb New York \u0111\u1ebfn Singapore c\u1ea7n ph\u1ea3i \u0111i qua t\u1eebng \u0111\u1ecba \u0111i\u1ec3m c\u1ee7a b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn d\u1ecdc \u0111\u01b0\u1eddng truy\u1ec1n, l\u01b0\u1ee3ng th\u1eddi gian (\u0111\u1ed9 tr\u1ec5) b\u1ecb t\u0103ng l\u00ean \u1edf c\u1ea3 t\u1ed5ng kho\u1ea3ng c\u00e1ch v\u00e0 th\u1eddi gian m\u1ed7i b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn x\u1eed l\u00fd y\u00eau c\u1ea7u.&nbsp;<\/p>\n\n\n\n<p>Khi m\u00e1y ch\u1ee7 g\u1ed1c x\u1eed l\u00fd y\u00eau c\u1ea7u v\u00e0 tr\u1ea3 l\u1eddi m\u00e1y kh\u00e1ch, ti\u1ebfp \u0111\u00f3 n\u00f3 s\u1ebd g\u1eedi th\u00f4ng tin tr\u1edf l\u1ea1i th\u00f4ng qua m\u1ed9t chu\u1ed7i b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn t\u01b0\u01a1ng t\u1ef1, tr\u01b0\u1edbc khi quay tr\u1edf l\u1ea1i New York. <\/p>\n\n\n\n<p>Ph\u00e9p \u0111o t\u1ed5ng s\u1ed1 chuy\u1ebfn \u0111i kh\u1ee9 h\u1ed3i n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi trong ng\u00e0nh vi\u1ec5n th\u00f4ng l\u00e0&nbsp;<a href=\"https:\/\/kiencang.net\/round-trip-time\/\" target=\"_blank\" rel=\"noreferrer noopener\">RTT \/ Round Trip Time cho \u201cth\u1eddi gian kh\u1ee9 h\u1ed3i\u201d<\/a>.&nbsp;Ch\u01b0a t\u00ednh \u0111\u1ebfn b\u0103ng th\u00f4ng kh\u1ea3 d\u1ee5ng v\u00e0 kh\u1ea3 n\u0103ng t\u1eafc ngh\u1ebdn m\u1ea1ng (network congestion), h\u00e3y xem qua m\u1ed9t v\u00ed d\u1ee5 v\u1ec1 c\u00e1c y\u1ebfu t\u1ed1 t\u1ea1o ra \u0111\u1ed9 tr\u1ec5.<\/p>\n\n\n\n<p>\u0110\u1ec3 minh h\u1ecda, ch\u00fang ta th\u1eed quan s\u00e1t v\u00ed d\u1ee5 tr\u00ean:<\/p>\n\n\n\n<ul>\n<li>M\u1ea5t 250ms \u0111\u1ec3 th\u1ef1c hi\u1ec7n y\u00eau c\u1ea7u \u0111i t\u1eeb New York \u0111\u1ebfn Singapore;<\/li>\n\n\n\n<li>Vi\u1ec7c thi\u1ebft l\u1eadp&nbsp;k\u1ebft n\u1ed1i TCP \/ IP&nbsp;s\u1ebd th\u00eam 3 l\u1ea7n \u0111\u1ed9 tr\u1ec5 250ms n\u1eefa;<\/li>\n\n\n\n<li>Trang web y\u00eau c\u1ea7u 5 n\u1ed9i dung duy nh\u1ea5t bao g\u1ed3m h\u00ecnh \u1ea3nh, t\u1ec7p JavaScript v\u00e0 ch\u00ednh trang web \u0111\u00f3.<\/li>\n<\/ul>\n\n\n\n<p>H\u00e3y xem th\u1eed trang web n\u00e0y s\u1ebd m\u1ea5t bao l\u00e2u \u0111\u1ec3 t\u1ea3i xong:<\/p>\n\n\n\n<ul>\n<li><strong>750ms<\/strong>: K\u1ebft n\u1ed1i TCP \/ IP \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n gi\u1eefa m\u00e1y kh\u00e1ch \u1edf New York v\u00e0 m\u00e1y ch\u1ee7 g\u1ed1c \u1edf Singapore;<\/li>\n\n\n\n<li><strong>250ms<\/strong>:&nbsp;Y\u00eau c\u1ea7u&nbsp;HTTP&nbsp;cho trang web \u0111i t\u1eeb New York \u0111\u1ebfn Singapore;<\/li>\n\n\n\n<li><strong>250ms<\/strong>: M\u00e1y kh\u00e1ch y\u00eau c\u1ea7u \u1edf New York nh\u1eadn \u0111\u01b0\u1ee3c ph\u1ea3n h\u1ed3i t\u1eeb m\u00e1y ch\u1ee7 g\u1ed1c \u1edf Singapore v\u1edbi m\u00e3 tr\u1ea1ng th\u00e1i 200 v\u00e0 trang web bao g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c n\u1ed9i dung b\u1ed5 sung c\u1ea7n thi\u1ebft;<\/li>\n\n\n\n<li><strong>250ms<\/strong>: M\u1ed7i n\u1ed9i dung trong s\u1ed1 5 n\u1ed9i dung \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u b\u1edfi ng\u01b0\u1eddi duy\u1ec7t web \u1edf New York;<\/li>\n\n\n\n<li><strong>1500ms<\/strong>: N\u0103m n\u1ed9i dung \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i kh\u00f4ng \u0111\u1ed3ng b\u1ed9 t\u1edbi m\u00e1y kh\u00e1ch t\u1eeb m\u00e1y ch\u1ee7 g\u1ed1c \u1edf Singapore.<\/li>\n<\/ul>\n\n\n\n<p>Trong v\u00ed d\u1ee5 \u0111\u01a1n gi\u1ea3n n\u00e0y, t\u1ed5ng th\u1eddi gian \u0111\u1ec3 t\u1ea3i trang web n\u00e0y l\u00e0 kho\u1ea3ng&nbsp;<strong>3000 mili gi\u00e2y<\/strong>&nbsp;.<\/p>\n\n\n\n<p>Nh\u01b0 b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y, m\u1ed7i khi y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u00e0 ph\u1ea3n h\u1ed3i \u0111\u01b0\u1ee3c g\u1eedi \u0111i, to\u00e0n b\u1ed9 \u0111\u01b0\u1eddng truy\u1ec1n gi\u1eefa m\u00e1y kh\u00e1ch \u1edf New York v\u00e0 m\u00e1y ch\u1ee7 g\u1ed1c \u1edf Singapore s\u1ebd \u0111\u01b0\u1ee3c \u0111i qua.&nbsp;Khi c\u00e1c trang web tr\u1edf n\u00ean l\u1edbn h\u01a1n v\u00e0 y\u00eau c\u1ea7u s\u1ed1 l\u01b0\u1ee3ng n\u1ed9i dung l\u1edbn h\u01a1n, \u0111\u1ed9 tr\u1ec5 gi\u1eefa \u0111i\u1ec3m A v\u00e0 \u0111i\u1ec3m B ti\u1ebfp t\u1ee5c t\u0103ng l\u00ean.<\/p>\n\n\n\n<p>H\u00e3y xem l\u1ea1i v\u00ed d\u1ee5 v\u1ec1 n\u1ed9i dung \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef \u1edf m\u00e1y ch\u1ee7 g\u1ed1c Singapore \u0111\u01b0\u1ee3c ph\u1ee5c v\u1ee5 cho m\u1ed9t m\u00e1y kh\u00e1ch \u1edf New York, nh\u01b0ng hi\u1ec7n t\u1ea1i trang web \u1edf Singapore \u0111ang s\u1eed d\u1ee5ng CDN v\u1edbi m\u1ed9t m\u00e1y ch\u1ee7 bi\u00ean \u1edf Atlanta c\u00f3 ch\u1ee9a b\u1ea3n sao n\u1ed9i dung t\u0129nh c\u1ee7a trang web \u0111\u01b0\u1ee3c l\u01b0u trong b\u1ed9 nh\u1edb cache:<\/p>\n\n\n\n<ul>\n<li>M\u1ea5t 50ms cho m\u1ed9t y\u00eau c\u1ea7u \u0111i t\u1eeb New York \u0111\u1ebfn Atlanta;<\/li>\n\n\n\n<li>Thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i TCP \/ IP s\u1ebd th\u00eam 3 l\u1ea7n \u0111\u1ed9 tr\u1ec5 50ms;<\/li>\n\n\n\n<li>Trang web y\u00eau c\u1ea7u 5 n\u1ed9i dung duy nh\u1ea5t bao g\u1ed3m h\u00ecnh \u1ea3nh, t\u1ec7p JavaScript v\u00e0 ch\u00ednh trang web.<\/li>\n<\/ul>\n\n\n\n<p>H\u00e3y c\u00f9ng xem trang web n\u00e0y s\u1ebd m\u1ea5t bao l\u00e2u \u0111\u1ec3 t\u1ea3i b\u1eb1ng CDN:<\/p>\n\n\n\n<ul>\n<li><strong>150ms<\/strong>: K\u1ebft n\u1ed1i TCP \/ IP \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n gi\u1eefa m\u00e1y kh\u00e1ch \u1edf New York v\u00e0 m\u00e1y ch\u1ee7 bi\u00ean \u1edf Atlanta;<\/li>\n\n\n\n<li><strong>50ms<\/strong>: Y\u00eau c\u1ea7u HTTP GET cho trang web truy\u1ec1n t\u1eeb m\u00e1y kh\u00e1ch \u0111\u1ebfn m\u00e1y ch\u1ee7 bi\u00ean;<\/li>\n\n\n\n<li><strong>50ms<\/strong>: M\u00e1y kh\u00e1ch nh\u1eadn \u0111\u01b0\u1ee3c ph\u1ea3n h\u1ed3i t\u1eeb cache c\u1ee7a m\u00e1y ch\u1ee7 bi\u00ean v\u1edbi trang web bao g\u1ed3m danh s\u00e1ch t\u1ea5t c\u1ea3 c\u00e1c n\u1ed9i dung b\u1ed5 sung v\u1eabn \u0111ang \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u;<\/li>\n\n\n\n<li><strong>50ms<\/strong>: M\u1ed7i n\u1ed9i dung trong s\u1ed1 5 n\u1ed9i dung \u0111\u01b0\u1ee3c kh\u00e1ch h\u00e0ng y\u00eau c\u1ea7u;<\/li>\n\n\n\n<li><strong>800ms<\/strong>: N\u0103m n\u1ed9i dung \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i kh\u00f4ng \u0111\u1ed3ng b\u1ed9 \u0111\u1ebfn m\u00e1y kh\u00e1ch t\u1eeb m\u00e1y ch\u1ee7 bi\u00ean.<\/li>\n<\/ul>\n\n\n\n<p>T\u1ed5ng th\u1eddi gian v\u1eadn chuy\u1ec3n \u0111\u1ec3 t\u1ea3i trang web n\u00e0y l\u00e0 kho\u1ea3ng&nbsp;<strong>1100 mili gi\u00e2y<\/strong>.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"849\" height=\"567\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/01\/may-chu-CDN-gan-hon.png\" alt=\"khi c\u00f3 CDN d\u1eef li\u1ec7u g\u1ea7n m\u00e1y kh\u00e1ch c\u1ee7a ng\u01b0\u1eddi d\u00f9ng h\u01a1n\" class=\"wp-image-18711\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/01\/may-chu-CDN-gan-hon.png 849w, https:\/\/kiencang.net\/wp-content\/uploads\/2021\/01\/may-chu-CDN-gan-hon-300x200.png 300w, https:\/\/kiencang.net\/wp-content\/uploads\/2021\/01\/may-chu-CDN-gan-hon-768x513.png 768w\" sizes=\"(max-width: 849px) 100vw, 849px\" \/><\/figure><\/div>\n\n\n<p>Trong v\u00ed d\u1ee5 n\u00e0y, vi\u1ec7c gi\u1ea3m kho\u1ea3ng c\u00e1ch gi\u1eefa m\u00e1y kh\u00e1ch v\u00e0 n\u1ed9i dung t\u1ea1o ra s\u1ef1 c\u1ea3i thi\u1ec7n v\u1ec1 \u0111\u1ed9 tr\u1ec5 <strong>1900ms<\/strong> cho n\u1ed9i dung t\u0129nh, th\u1ec3 hi\u1ec7n s\u1ef1 c\u1ea3i thi\u1ec7n g\u1ea7n 2 gi\u00e2y trong th\u1eddi gian t\u1ea3i.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/01\/giam-thoi-gian.png\" alt=\"CDN gi\u00fap gi\u1ea3m th\u1eddi gian t\u1ea3i trang nh\u01b0 th\u1ebf n\u00e0o\" class=\"wp-image-18712\"\/><figcaption class=\"wp-element-caption\">S\u1ef1 kh\u00e1c bi\u1ec7t trong th\u1eddi gian t\u1ea3i khi s\u1eed d\u1ee5ng CDN<\/figcaption><\/figure><\/div>\n\n\n<p>B\u1eb1ng c\u00e1ch gi\u1ea3m t\u1ed5ng kho\u1ea3ng c\u00e1ch m\u00e0 t\u1ea5t c\u1ea3 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp c\u1ea7n thi\u1ebft ph\u1ea3i \u0111i qua, m\u1ed7i ng\u01b0\u1eddi d\u00f9ng \u0111\u1ebfn trang web s\u1ebd ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c m\u1ed9t l\u01b0\u1ee3ng th\u1eddi gian t\u1ea3i (\u0111\u00e1ng k\u1ec3).&nbsp;<\/p>\n\n\n\n<p>V\u00ec ng\u01b0\u1eddi d\u00f9ng b\u1eaft \u0111\u1ea7u r\u1eddi kh\u1ecfi trang web (tho\u00e1t) r\u1ea5t nhanh khi th\u1eddi gian ch\u1edd t\u0103ng l\u00ean, c\u1ea3i ti\u1ebfn n\u00e0y gi\u00fap tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng t\u1ed1t h\u01a1n c\u0169ng nh\u01b0 th\u1eddi gian ng\u01b0\u1eddi d\u00f9ng tr\u00ean trang cao h\u01a1n.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"cdn-t\u1ea3i-n\u1ed9i-dung-nh\u01b0-th\u1ebf-nao-b\u1ed9-nh\u1edb-d\u1ec7m-la-gi\"><span class=\"ez-toc-section\" id=\"CDN_tai_noi_dung_nhu_the_nao_Bo_nho_dem_la_gi\"><\/span>CDN t\u1ea3i n\u1ed9i dung nh\u01b0 th\u1ebf n\u00e0o?&nbsp;B\u1ed9 nh\u1edb \u0111\u1ec7m l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp tr\u01b0\u1edbc \u0111\u00f3, th\u00f4ng th\u01b0\u1eddng khi m\u1ed9t m\u00e1y kh\u00e1ch y\u00eau c\u1ea7u m\u1ed9t t\u1ec7p t\u1eeb m\u00e1y ch\u1ee7 g\u1ed1c, y\u00eau c\u1ea7u c\u1ea7n ph\u1ea3i \u0111i v\u00f2ng kh\u1ee9 h\u1ed3i \u0111\u1ebfn m\u00e1y ch\u1ee7 \u0111\u00f3 &amp; r\u1ed3i quay l\u1ea1i m\u00e1y kh\u00e1ch m\u1ed9t l\u1ea7n n\u1eefa.&nbsp;CDN c\u1ea3i thi\u1ec7n \u0111\u1ed9 tr\u1ec5 b\u1eb1ng c\u00e1ch k\u00e9o c\u00e1c t\u1ec7p n\u1ed9i dung t\u0129nh t\u1eeb m\u00e1y ch\u1ee7 g\u1ed1c v\u00e0o m\u1ea1ng CDN ph\u00e2n t\u00e1n trong m\u1ed9t qu\u00e1 tr\u00ecnh \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u1ed9 nh\u1edb \u0111\u1ec7m (caching).&nbsp;<\/p>\n\n\n\n<p>M\u1ed9t s\u1ed1 CDN s\u1ebd c\u00f3 c\u00e1c t\u00ednh n\u0103ng n\u00e2ng cao cho ph\u00e9p ch\u1ecdn l\u1ecdc n\u1ed9i dung \u0111\u1ed9ng.&nbsp;Sau khi d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u v\u00e0o b\u1ed9 nh\u1edb \u0111\u1ec7m, CDN ph\u00e2n ph\u1ed1i n\u1ed9i dung cho m\u00e1y kh\u00e1ch t\u1eeb trung t\u00e2m d\u1eef li\u1ec7u CDN g\u1ea7n v\u1edbi m\u00e1y kh\u00e1ch nh\u1ea5t.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"664\" height=\"440\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/01\/o-xa.png\" alt=\"m\u00e1y ch\u1ee7 g\u1ed1c ph\u1ee5c v\u1ee5 t\u1ea5t c\u1ea3 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp\" class=\"wp-image-18716\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/01\/o-xa.png 664w, https:\/\/kiencang.net\/wp-content\/uploads\/2021\/01\/o-xa-300x199.png 300w\" sizes=\"(max-width: 664px) 100vw, 664px\" \/><figcaption class=\"wp-element-caption\">N\u1ebfu ch\u1ec9 c\u00f3 hosting g\u1ed1c, d\u00f9 m\u00e1y kh\u00e1ch \u1edf \u0111\u00e2u, b\u1ea1n c\u0169ng ph\u1ea3i l\u1ea5y d\u1eef li\u1ec7u t\u1eeb m\u00e1y ch\u1ee7 g\u1ed1c n\u00e0y<\/figcaption><\/figure><\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"662\" height=\"446\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/01\/o-gan.png\" alt=\"m\u00e1y ch\u1ee7 bi\u00ean CDN ph\u1ee5c v\u1ee5 c\u00e1c m\u00e1y kh\u00e1ch \u1edf c\u00e1c v\u1ecb tr\u00ed kh\u00e1c nhau hi\u1ec7u qu\u1ea3 h\u01a1n\" class=\"wp-image-18717\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/01\/o-gan.png 662w, https:\/\/kiencang.net\/wp-content\/uploads\/2021\/01\/o-gan-300x202.png 300w\" sizes=\"(max-width: 662px) 100vw, 662px\" \/><figcaption class=\"wp-element-caption\">Khi c\u00f3 CDN, n\u1ed9i dung t\u0129nh \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb m\u00e1y ch\u1ee7 CDN g\u1ea7n nh\u1ea5t, v\u1eeba gi\u00fap t\u0103ng t\u1ed1c, v\u1eeba gi\u00fap gi\u1ea3m t\u1ea3i<\/figcaption><\/figure><\/div>\n\n\n<p>Sau khi&nbsp;th\u1ef1c hi\u1ec7n&nbsp;b\u1eaft tay TCP, m\u00e1y kh\u00e1ch th\u1ef1c hi\u1ec7n m\u1ed9t y\u00eau c\u1ea7u HTTP \u0111\u1ebfn m\u1ea1ng c\u1ee7a CDN.&nbsp;N\u1ebfu n\u1ed9i dung ch\u01b0a \u0111\u01b0\u1ee3c l\u01b0u v\u00e0o b\u1ed9 nh\u1edb \u0111\u1ec7m, tr\u01b0\u1edbc ti\u00ean CDN s\u1ebd t\u1ea3i xu\u1ed1ng n\u1ed9i dung t\u1eeb m\u00e1y ch\u1ee7 g\u1ed1c b\u1eb1ng c\u00e1ch th\u1ef1c hi\u1ec7n m\u1ed9t y\u00eau c\u1ea7u b\u1ed5 sung gi\u1eefa m\u00e1y ch\u1ee7 g\u1ed1c v\u00e0 m\u00e1y ch\u1ee7 bi\u00ean c\u1ee7a CDN.<\/p>\n\n\n\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 4 b\u01b0\u1edbc trong b\u1ed9 \u0111\u1ec7m CDN \u0111i\u1ec3n h\u00ecnh:<\/p>\n\n\n\n<ol>\n<li>Khi ng\u01b0\u1eddi d\u00f9ng y\u00eau c\u1ea7u m\u1ed9t trang web, y\u00eau c\u1ea7u c\u1ee7a ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ebfn&nbsp;m\u00e1y ch\u1ee7 bi\u00ean&nbsp;g\u1ea7n nh\u1ea5t c\u1ee7a CDN;<\/li>\n\n\n\n<li>M\u00e1y ch\u1ee7 bi\u00ean sau \u0111\u00f3 \u0111\u01b0a ra y\u00eau c\u1ea7u \u0111\u1ebfn m\u00e1y ch\u1ee7 g\u1ed1c \u0111\u1ed1i v\u1edbi n\u1ed9i dung m\u00e0 ng\u01b0\u1eddi d\u00f9ng y\u00eau c\u1ea7u;<\/li>\n\n\n\n<li>M\u00e1y ch\u1ee7 g\u1ed1c g\u1ed1c \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u c\u1ee7a m\u00e1y ch\u1ee7 bi\u00ean;<\/li>\n\n\n\n<li>Cu\u1ed1i c\u00f9ng m\u00e1y ch\u1ee7 bi\u00ean tr\u1ea3 l\u1eddi m\u00e1y kh\u00e1ch.<\/li>\n<\/ol>\n\n\n\n<p>C\u00f4ng d\u1ee5ng c\u1ee7a kho\u1ea3ng c\u00e1ch \u0111\u1ecba l\u00fd g\u1ea7n g\u0169i gi\u1eefa CDN v\u1edbi m\u00e1y kh\u00e1ch x\u1ea3y ra <strong>sau khi y\u00eau c\u1ea7u ban \u0111\u1ea7u \u0111\u1ebfn m\u00e1y ch\u1ee7 g\u1ed1c \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n<\/strong>.&nbsp;Khi d\u1eef li\u1ec7u \u0111\u00e3 \u0111\u01b0\u1ee3c l\u01b0u v\u00e0o b\u1ed9 nh\u1edb \u0111\u1ec7m t\u1eeb m\u00e1y ch\u1ee7 g\u1ed1c v\u00e0o m\u1ea1ng c\u1ee7a CDN r\u1ed3i, m\u1ed7i y\u00eau c\u1ea7u ti\u1ebfp theo t\u1eeb m\u00e1y kh\u00e1ch ch\u1ec9 c\u1ea7n \u0111\u1ebfn m\u00e1y ch\u1ee7 bi\u00ean g\u1ea7n nh\u1ea5t.&nbsp;\u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 n\u1ebfu m\u00e1y ch\u1ee7 bi\u00ean g\u1ea7n nh\u1ea5t g\u1ea7n h\u01a1n m\u00e1y ch\u1ee7 g\u1ed1c, \u0111\u1ed9 tr\u1ec5 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3m b\u1edbt v\u00e0 n\u1ed9i dung c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u1ee5c v\u1ee5 nhanh h\u01a1n nhi\u1ec1u.<\/p>\n\n\n\n<p>\u0110i\u1ec1u quan tr\u1ecdng c\u1ea7n l\u01b0u \u00fd l\u00e0 th\u1eddi gian c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u1ea3i xu\u1ed1ng n\u1ed9i dung v\u00e0 x\u1eed l\u00fd c\u00e1c y\u00eau c\u1ea7u v\u00e0 ph\u1ea3n h\u1ed3i hi\u1ec7n kh\u00f4ng \u0111\u01b0\u1ee3c t\u00ednh \u0111\u1ebfn;&nbsp;cho \u0111\u1ebfn l\u00fac n\u00e0y ch\u00fang ta ch\u1ec9 t\u00ednh th\u1eddi gian di chuy\u1ec3n c\u1ea7n thi\u1ebft \u0111\u1ec3 chuy\u1ec3n th\u00f4ng tin gi\u1eefa hai \u0111\u1ecba \u0111i\u1ec3m tr\u00ean m\u00e0 th\u00f4i.&nbsp;C\u00e1c y\u1ebfu t\u1ed1 \u0111\u1ed9 tr\u1ec5 quan tr\u1ecdng kh\u00e1c m\u00e0 ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u ti\u1ebfp bao g\u1ed3m gi\u1ea3m dung l\u01b0\u1ee3ng d\u1eef li\u1ec7u, t\u1ed1c \u0111\u1ed9 \u0111\u0129a c\u1ee9ng v\u00e0 t\u1eafc ngh\u1ebdn m\u1ea1ng.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"cdn-gi\u1ea3m-kich-th\u01b0\u1edbc-t\u1ec7p-d\u1ec3-tang-t\u1ed1c-d\u1ed9-nh\u01b0-th\u1ebf-nao\"><span class=\"ez-toc-section\" id=\"CDN_giam_kich_thuoc_tep_de_tang_toc_do_nhu_the_nao\"><\/span>CDN gi\u1ea3m k\u00edch th\u01b0\u1edbc t\u1ec7p \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 nh\u01b0 th\u1ebf n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0110\u1ec3 c\u1ea3i thi\u1ec7n th\u1eddi gian t\u1ea3i trang, CDN gi\u1ea3m dung l\u01b0\u1ee3ng truy\u1ec1n d\u1eef li\u1ec7u t\u1ed5ng th\u1ec3 gi\u1eefa m\u00e1y ch\u1ee7 b\u1ed9 \u0111\u1ec7m CDN v\u00e0 m\u00e1y kh\u00e1ch.&nbsp;C\u1ea3 \u0111\u1ed9 tr\u1ec5 v\u00e0 b\u0103ng th\u00f4ng y\u00eau c\u1ea7u \u0111\u1ec1u gi\u1ea3m khi t\u1ed5ng l\u01b0\u1ee3ng d\u1eef li\u1ec7u truy\u1ec1n gi\u1ea3m.&nbsp;K\u1ebft qu\u1ea3 l\u00e0 trang t\u1ea3i trang nhanh h\u01a1n v\u00e0 chi ph\u00ed b\u0103ng th\u00f4ng th\u1ea5p h\u01a1n.&nbsp;Hai th\u00e0nh ph\u1ea7n ch\u00ednh y\u1ebfu \u0111\u00f3ng g\u00f3p v\u00e0o s\u1ef1 c\u1ea3i thi\u1ec7n n\u00e0y g\u1ed3m:<\/p>\n\n\n\n<p><strong>Minification<\/strong>&nbsp;&#8211; thu nh\u1ecf l\u00e0 qu\u00e1 tr\u00ecnh m\u00e0 c\u00e1c kh\u1ed1i m\u00e3 \u0111\u01b0\u1ee3c gi\u1ea3m k\u00edch th\u01b0\u1edbc b\u1eb1ng c\u00e1ch lo\u1ea1i b\u1ecf t\u1ea5t c\u1ea3 c\u00e1c th\u00e0nh ph\u1ea7n ch\u00fa th\u00edch (d\u00e0nh cho con ng\u01b0\u1eddi).&nbsp;Trong khi l\u1eadp tr\u00ecnh vi\u00ean c\u1ea7n t\u00e1ch c\u00e1c \u00fd t\u01b0\u1edfng th\u00e0nh c\u00e1c t\u00ean bi\u1ebfn, kho\u1ea3ng tr\u1eafng v\u00e0 ch\u00fa th\u00edch h\u1ee3p l\u00fd \u0111\u1ec3 \u0111\u1ecdc c\u00e1c kh\u1ed1i m\u00e3 d\u1ec5 d\u00e0ng v\u00e0 thu\u1eadn l\u1ee3i trong vi\u1ec7c b\u1ea3o tr\u00ec, nh\u01b0ng m\u00e1y t\u00ednh c\u00f3 th\u1ec3 ch\u1ea1y m\u00e3 th\u00e0nh c\u00f4ng, kh\u00f4ng g\u00e2y ra b\u1ea5t c\u1ee9 \u1ea3nh h\u01b0\u1edfng g\u00ec khi x\u00f3a ch\u00fang \u0111i.<\/p>\n\n\n\n<p>\u0110\u00e2y l\u00e0 c\u00f9ng m\u1ed9t kh\u1ed1i m\u00e3 tr\u01b0\u1edbc v\u00e0 sau khi r\u00fat g\u1ecdn:<\/p>\n\n\n\n<p>Tr\u01b0\u1edbc khi r\u00fat g\u1ecdn c\u00f3 t\u00e1m d\u00f2ng m\u00e3:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"659\" height=\"208\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/01\/tam-dong-ma.png\" alt=\"t\u00e1m d\u00f2ng m\u00e3\" class=\"wp-image-18724\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/01\/tam-dong-ma.png 659w, https:\/\/kiencang.net\/wp-content\/uploads\/2021\/01\/tam-dong-ma-300x95.png 300w\" sizes=\"(max-width: 659px) 100vw, 659px\" \/><\/figure><\/div>\n\n\n<p>Sau khi r\u00fat g\u1ecdn, n\u00f3 gi\u1ea3m xu\u1ed1ng ch\u1ec9 c\u00f2n c\u00f3 m\u1ed9t d\u00f2ng m\u00e3 m\u00e0 th\u00f4i:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"661\" height=\"38\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/01\/mot-dong-ma.png\" alt=\"r\u00fat g\u1ecdn c\u00f2n m\u1ed9t d\u00f2ng m\u00e3\" class=\"wp-image-18725\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/01\/mot-dong-ma.png 661w, https:\/\/kiencang.net\/wp-content\/uploads\/2021\/01\/mot-dong-ma-300x17.png 300w\" sizes=\"(max-width: 661px) 100vw, 661px\" \/><\/figure><\/div>\n\n\n<p>B\u00e2y gi\u1edd \u0111o\u1ea1n m\u00e3 \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1ea3m t\u1eeb t\u00e1m d\u00f2ng xu\u1ed1ng m\u1ed9t d\u00f2ng, k\u00edch th\u01b0\u1edbc t\u1ec7p t\u1ed5ng th\u1ec3 c\u0169ng \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1ea3m xu\u1ed1ng t\u01b0\u01a1ng \u1ee9ng.&nbsp;\u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 m\u1ea5t \u00edt th\u1eddi gian h\u01a1n \u0111\u1ec3 chuy\u1ec3n t\u1ec7p, gi\u1ea3m \u0111\u1ed9 tr\u1ec5 v\u00e0 gi\u00fap t\u1ea3i n\u1ed9i dung nhanh h\u01a1n.<\/p>\n\n\n\n<p><strong>N\u00e9n&nbsp;t\u1ec7p<\/strong> &#8211;&nbsp;n\u00e9n&nbsp;t\u1ec7p l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong vi\u1ec7c gi\u1ea3m \u0111\u1ed9 tr\u1ec5 v\u00e0 ti\u00eau th\u1ee5 b\u0103ng th\u00f4ng c\u1ea7n thi\u1ebft khi truy\u1ec1n d\u1eef li\u1ec7u qua Internet.&nbsp;<a href=\"https:\/\/kiencang.net\/bat-nen-gzip\/\" target=\"_blank\" rel=\"noreferrer noopener\">Gzip l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p n\u00e9n ph\u1ed5 bi\u1ebfn<\/a> v\u00e0 \u0111\u01b0\u1ee3c coi l\u00e0 ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t \u0111\u1ec3 s\u1eed d\u1ee5ng khi chuy\u1ec3n d\u1eef li\u1ec7u cho trang web.&nbsp;Nhi\u1ec1u nh\u00e0 cung c\u1ea5p CDN \u0111\u00e3 b\u1eadt Gzip theo m\u1eb7c \u0111\u1ecbnh.&nbsp;B\u1ea1n c\u00f3 th\u1ec3 mu\u1ed1n bi\u1ebft website ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c bao nhi\u00eau khi s\u1eed d\u1ee5ng Gzip?&nbsp;Th\u00f4ng th\u01b0\u1eddng, c\u00e1c t\u1ec7p n\u00e9n s\u1ebd gi\u1ea3m kho\u1ea3ng 50% \u0111\u1ebfn 70% k\u00edch th\u01b0\u1edbc ban \u0111\u1ea7u (ch\u1ec9 c\u00e1c t\u1ec7p d\u1ea1ng v\u0103n b\u1ea3n, kh\u00f4ng ph\u1ea3i t\u1ec7p media nh\u01b0 h\u00ecnh \u1ea3nh, <a href=\"https:\/\/kiencang.net\/category\/nen-anh\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e1c t\u1ec7p \u0111a ph\u01b0\u01a1ng ti\u1ec7n s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p n\u00e9n kh\u00e1c<\/a>).<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"d\u1ecbch-v\u1ee5-cdn-co-th\u1ec3-s\u1eed-d\u1ee5ng-ph\u1ea7n-c\u1ee9ng-nh\u01b0-th\u1ebf-nao-d\u1ec3-c\u1ea3i-thi\u1ec7n-t\u1ed1c-d\u1ed9\"><span class=\"ez-toc-section\" id=\"Dich_vu_CDN_co_the_su_dung_phan_cung_nhu_the_nao_de_cai_thien_toc_do\"><\/span>D\u1ecbch v\u1ee5 CDN c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ph\u1ea7n c\u1ee9ng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ec3 c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Li\u00ean quan \u0111\u1ebfn vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a ph\u1ea7n c\u1ee9ng c\u1ee7a CDN, m\u1ed9t l\u1ee3i \u00edch \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn t\u1eeb vi\u1ec7c s\u1eed d\u1ee5ng \u1ed5 c\u1ee9ng th\u1ec3 r\u1eafn (SSD \/ Solid-State hard Drives) thay v\u00ec \u1ed5 \u0111\u0129a c\u1ee9ng truy\u1ec1n th\u1ed1ng (HDD \/ Hard Disk Drives);&nbsp;\u1ed5 c\u1ee9ng th\u1ec3 r\u1eafn SSD c\u00f3 th\u1ec3 m\u1edf t\u1ec7p nhanh h\u01a1n t\u1edbi 30% so v\u1edbi \u1ed5 \u0111\u0129a c\u1ee9ng truy\u1ec1n th\u1ed1ng HDD, \u0111\u1ed3ng th\u1eddi c\u00f3 kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i v\u00e0 \u0111\u00e1ng tin c\u1eady h\u01a1n.<\/p>\n\n\n\n<p>T\u01b0\u01a1ng t\u1ef1 nh\u01b0 m\u1ed9t m\u00e1y ghi \u00e2m, \u1ed5 \u0111\u0129a c\u1ee9ng truy\u1ec1n th\u1ed1ng bao g\u1ed3m m\u1ed9t \u0111\u0129a kim lo\u1ea1i quay tr\u00f2n c\u00f3 l\u1edbp ph\u1ee7 t\u1eeb t\u00ednh \u0111\u1ec3 l\u01b0u tr\u1eef d\u1eef li\u1ec7u.&nbsp;\u0110\u1ea7u \u0111\u1ecdc \/ ghi tr\u00ean c\u00e1nh tay truy c\u1eadp th\u00f4ng tin, trong khi \u0111\u0129a quay b\u00ean d\u01b0\u1edbi n\u00f3.&nbsp;<strong>Qu\u00e1 tr\u00ecnh n\u00e0y l\u00e0 ho\u1ea1t \u0111\u1ed9ng c\u01a1 h\u1ecdc v\u00e0 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi t\u1ed1c \u0111\u1ed9 quay c\u1ee7a \u0111\u0129a<\/strong>.&nbsp;V\u1edbi s\u1ef1 ra \u0111\u1eddi c\u1ee7a \u1ed5 c\u1ee9ng th\u1ec3 r\u1eafn, ki\u1ec3u \u1ed5 c\u1ee9ng c\u0169 h\u01a1n \u0111\u00e3 d\u1ea7n \u00edt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng h\u01a1n, m\u1eb7c d\u00f9 ng\u00e0y nay ch\u00fang v\u1eabn \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t v\u00e0 \u0111\u01b0\u1ee3c l\u01b0u h\u00e0nh r\u1ed9ng r\u00e3i trong nhi\u1ec1u h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh (n\u1ebfu b\u1ea1n \u0111\u1ec3 \u00fd, th\u00ec nhi\u1ec1u m\u00e1y t\u00ednh hi\u1ec7n nay l\u01b0u h\u1ec7 \u0111i\u1ec1u h\u00e0nh tr\u00ean \u1ed5 SSD \u0111\u1ec3 truy c\u1eadp d\u1eef li\u1ec7u nhanh h\u01a1n, trong khi \u1ed5 HDD \u0111\u1ec3 l\u01b0u c\u00e1c file th\u00f4ng th\u01b0\u1eddng).<\/p>\n\n\n\n<p>\u1ed4 c\u1ee9ng th\u1ec3 r\u1eafn (SSD) c\u0169ng l\u00e0 m\u1ed9t d\u1ea1ng l\u01b0u tr\u1eef li\u00ean t\u1ee5c, nh\u01b0ng c\u00f3 ch\u1ee9c n\u0103ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u1ed5 USB ho\u1eb7c th\u1ebb nh\u1edb th\u01b0\u1eddng th\u1ea5y trong c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 m\u00e1y \u1ea3nh k\u1ef9 thu\u1eadt s\u1ed1;&nbsp;ch\u00fang kh\u00f4ng c\u00f3 b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng.&nbsp;<\/p>\n\n\n\n<p>N\u1ebfu m\u1ed9t \u0111\u0129a c\u1ee9ng th\u00f4ng th\u01b0\u1eddng \u0111ang quay v\u00e0 h\u1ec7 th\u1ed1ng b\u1ecb x\u00e1o tr\u1ed9n, \u1ed5 c\u1ee9ng c\u00f3 th\u1ec3 b\u1ecf qua, d\u1eabn \u0111\u1ebfn l\u1ed7i \u0111\u1ecdc \/ ghi v\u00e0 th\u1eddi gian ch\u1ebft ti\u1ec1m \u1ea9n. <\/p>\n\n\n\n<p>M\u1ed9t l\u1ee3i \u00edch quan tr\u1ecdng kh\u00e1c c\u1ee7a SSD l\u00e0 kh\u1ea3 n\u0103ng truy c\u1eadp c\u00e1c t\u1ec7p b\u1ecb ph\u00e2n m\u1ea3nh.&nbsp;Ph\u00e2n m\u1ea3nh t\u1ec7p l\u00e0 t\u00ecnh tr\u1ea1ng c\u00e1c ph\u1ea7n c\u1ee7a t\u1ec7p n\u1eb1m \u1edf c\u00e1c v\u1ecb tr\u00ed kh\u00e1c nhau tr\u00ean \u0111\u0129a, d\u1eabn \u0111\u1ebfn vi\u1ec7c truy c\u1eadp \u1ed5 c\u1ee9ng HDD ch\u1eadm h\u01a1n.&nbsp;<\/p>\n\n\n\n<p>V\u00ec SSD c\u00f3 th\u1ec3 truy c\u1eadp c\u00e1c v\u1ecb tr\u00ed b\u1ed9 nh\u1edb kh\u00f4ng li\u1ec1n k\u1ec1 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, ph\u00e2n m\u1ea3nh kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed1i \u0111e d\u1ecda \u0111\u1ed1i v\u1edbi hi\u1ec7u su\u1ea5t.<\/p>\n\n\n\n<p>Khi d\u1ecbch v\u1ee5 CDN m\u1edbi ra \u0111\u1eddi, d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean \u1ed5 \u0111\u0129a c\u1ee9ng HDD.&nbsp;Gi\u1edd \u0111\u00e2y, m\u1ed9t s\u1ed1 d\u1ecbch v\u1ee5 CDN cung c\u1ea5p \u1ed5 c\u1ee9ng th\u1ec3 r\u1eafn SSD tr\u00ean t\u1ea5t c\u1ea3 m\u00e1y ch\u1ee7 bi\u00ean caching.&nbsp;<\/p>\n\n\n\n<p>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a SSD l\u00e0 chi ph\u00ed;&nbsp;SSD c\u00f3 th\u1ec3 \u0111\u1eaft g\u1ea5p 5 l\u1ea7n so v\u1edbi ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u1ed1ng HDD.&nbsp;V\u00ec l\u00fd do n\u00e0y, m\u1ed9t s\u1ed1 d\u1ecbch v\u1ee5 CDN th\u01b0\u1eddng s\u1ebd tr\u00e1nh s\u1eed d\u1ee5ng SSD v\u00e0 thay v\u00e0o \u0111\u00f3 s\u1ebd ch\u1ecdn c\u00f4ng ngh\u1ec7 c\u0169 h\u01a1n.&nbsp;D\u1ecbch v\u1ee5 CDN c\u1ee7a Cloudflare s\u1eed d\u1ee5ng \u1ed5 c\u1ee9ng SSD (<a href=\"https:\/\/kiencang.net\/category\/bunnycdn\/\" target=\"_blank\" rel=\"noreferrer noopener\">BunnyCDN<\/a>&#8211; m\u1ed9t trong c\u00e1c d\u1ecbch v\u1ee5 CDN t\u1ed1t nh\u1ea5t hi\u1ec7n nay tr\u00ean nhi\u1ec1u ph\u01b0\u01a1ng di\u1ec7n c\u00fang s\u1eed d\u1ee5ng \u1ed5 SSD).<\/p>\n\n\n\n<p><em>(D\u1ecbch t\u1eeb b\u00e0i vi\u1ebft <a href=\"https:\/\/www.cloudflare.com\/learning\/cdn\/performance\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">CDN Performance c\u1ee7a Cloudflare<\/a>)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ch\u00fa th\u00edch c\u1ee7a ng\u01b0\u1eddi bi\u00ean t\u1eadp: b\u00e0i vi\u1ebft n\u00e0y s\u1ebd l\u00fd gi\u1ea3i t\u1ea1i sao CDN l\u1ea1i gi\u00fap website t\u1ea3i nhanh h\u01a1n, c\u00f9ng c\u00e1c c\u00f4ng ngh\u1ec7 c\u0103n b\u1ea3n \u1ea9n d\u01b0\u1edbi n\u00f3. V\u1ec1 c\u01a1 b\u1ea3n c\u00f3 m\u1ea5y th\u1ee9 sau: Ki\u1ebfn th\u1ee9c \u1edf b\u00e0i n\u00e0y r\u1ea5t th\u00edch h\u1ee3p v\u1edbi nh\u1eefng ai m\u1edbi t\u00ecm hi\u1ec3u v\u1ec1 CDN. OK, gi\u1edd &hellip;<\/p>\n","protected":false},"author":1,"featured_media":24616,"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>CDN gi\u00fap t\u0103ng t\u1ed1c website c\u1ee7a b\u1ea1n nh\u01b0 th\u1ebf n\u00e0o? &#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-giup-tang-toc-website\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CDN gi\u00fap t\u0103ng t\u1ed1c website c\u1ee7a b\u1ea1n nh\u01b0 th\u1ebf n\u00e0o? &#8226; Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"og:description\" content=\"Ch\u00fa th\u00edch c\u1ee7a ng\u01b0\u1eddi bi\u00ean t\u1eadp: b\u00e0i vi\u1ebft n\u00e0y s\u1ebd l\u00fd gi\u1ea3i t\u1ea1i sao CDN l\u1ea1i gi\u00fap website t\u1ea3i nhanh h\u01a1n, c\u00f9ng c\u00e1c c\u00f4ng ngh\u1ec7 c\u0103n b\u1ea3n \u1ea9n d\u01b0\u1edbi n\u00f3. V\u1ec1 c\u01a1 b\u1ea3n c\u00f3 m\u1ea5y th\u1ee9 sau: Ki\u1ebfn th\u1ee9c \u1edf b\u00e0i n\u00e0y r\u1ea5t th\u00edch h\u1ee3p v\u1edbi nh\u1eefng ai m\u1edbi t\u00ecm hi\u1ec3u v\u1ec1 CDN. OK, gi\u1edd &hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kiencang.net\/cdn-giup-tang-toc-website\/\" \/>\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=\"2021-12-26T09:21:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-08-25T05:55:32+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/12\/CDN-tang-toc-website.png\" \/>\n\t<meta property=\"og:image:width\" content=\"750\" \/>\n\t<meta property=\"og:image:height\" content=\"393\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\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=\"14 ph\u00fat\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"CDN gi\u00fap t\u0103ng t\u1ed1c website c\u1ee7a b\u1ea1n nh\u01b0 th\u1ebf n\u00e0o? &#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\/cdn-giup-tang-toc-website\/","og_locale":"vi_VN","og_type":"article","og_title":"CDN gi\u00fap t\u0103ng t\u1ed1c website c\u1ee7a b\u1ea1n nh\u01b0 th\u1ebf n\u00e0o? &#8226; Ki\u1ebfn c\u00e0ng","og_description":"Ch\u00fa th\u00edch c\u1ee7a ng\u01b0\u1eddi bi\u00ean t\u1eadp: b\u00e0i vi\u1ebft n\u00e0y s\u1ebd l\u00fd gi\u1ea3i t\u1ea1i sao CDN l\u1ea1i gi\u00fap website t\u1ea3i nhanh h\u01a1n, c\u00f9ng c\u00e1c c\u00f4ng ngh\u1ec7 c\u0103n b\u1ea3n \u1ea9n d\u01b0\u1edbi n\u00f3. V\u1ec1 c\u01a1 b\u1ea3n c\u00f3 m\u1ea5y th\u1ee9 sau: Ki\u1ebfn th\u1ee9c \u1edf b\u00e0i n\u00e0y r\u1ea5t th\u00edch h\u1ee3p v\u1edbi nh\u1eefng ai m\u1edbi t\u00ecm hi\u1ec3u v\u1ec1 CDN. OK, gi\u1edd &hellip;","og_url":"https:\/\/kiencang.net\/cdn-giup-tang-toc-website\/","og_site_name":"Ki\u1ebfn c\u00e0ng","article_author":"https:\/\/www.facebook.com\/anhducnguyen87\/","article_published_time":"2021-12-26T09:21:00+00:00","article_modified_time":"2023-08-25T05:55:32+00:00","og_image":[{"width":750,"height":393,"url":"https:\/\/kiencang.net\/wp-content\/uploads\/2021\/12\/CDN-tang-toc-website.png","type":"image\/png"}],"author":"Nguy\u1ec5n \u0110\u1ee9c Anh","twitter_card":"summary_large_image","twitter_misc":{"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi":"Nguy\u1ec5n \u0110\u1ee9c Anh","\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc":"14 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/kiencang.net\/cdn-giup-tang-toc-website\/","url":"https:\/\/kiencang.net\/cdn-giup-tang-toc-website\/","name":"CDN gi\u00fap t\u0103ng t\u1ed1c website c\u1ee7a b\u1ea1n nh\u01b0 th\u1ebf n\u00e0o? &#8226; Ki\u1ebfn c\u00e0ng","isPartOf":{"@id":"https:\/\/kiencang.net\/#website"},"datePublished":"2021-12-26T09:21:00+00:00","dateModified":"2023-08-25T05:55:32+00:00","author":{"@id":"https:\/\/kiencang.net\/#\/schema\/person\/5e7e1a04d8d1218ad8c421ba43d25c16"},"breadcrumb":{"@id":"https:\/\/kiencang.net\/cdn-giup-tang-toc-website\/#breadcrumb"},"inLanguage":"vi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/kiencang.net\/cdn-giup-tang-toc-website\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/kiencang.net\/cdn-giup-tang-toc-website\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/kiencang.net\/"},{"@type":"ListItem","position":2,"name":"CDN gi\u00fap t\u0103ng t\u1ed1c website c\u1ee7a b\u1ea1n nh\u01b0 th\u1ebf n\u00e0o?"}]},{"@type":"WebSite","@id":"https:\/\/kiencang.net\/#website","url":"https:\/\/kiencang.net\/","name":"Ki\u1ebfn c\u00e0ng","description":"\u00d4m l\u00fd thuy\u1ebft, h\u00f4n th\u1ef1c h\u00e0nh","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/kiencang.net\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"vi"},{"@type":"Person","@id":"https:\/\/kiencang.net\/#\/schema\/person\/5e7e1a04d8d1218ad8c421ba43d25c16","name":"Nguy\u1ec5n \u0110\u1ee9c Anh","image":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/kiencang.net\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/6d71f9b89393952a8382e30dad26c1ec?s=96&d=monsterid&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/6d71f9b89393952a8382e30dad26c1ec?s=96&d=monsterid&r=g","caption":"Nguy\u1ec5n \u0110\u1ee9c Anh"},"description":"Sinh n\u0103m 1987, t\u1ed1t nghi\u1ec7p Cao \u0111\u1eb3ng th\u1ef1c h\u00e0nh FPT qu\u00e3ng 2014, chuy\u00ean ng\u00e0nh Thi\u1ebft k\u1ebf website. T\u00f4i th\u00edch Content, SEO, Ads, T\u0103ng t\u1ed1c website v\u00e0 Th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed. B\u00ean c\u1ea1nh b\u00e0i t\u1ef1 vi\u1ebft, t\u00f4i c\u0169ng d\u1ecbch nhi\u1ec1u n\u1ed9i dung th\u00fa v\u1ecb c\u1ee7a c\u00e1c t\u00e1c gi\u1ea3 kh\u00e1c nhau. FB c\u00e1 nh\u00e2n: facebook.com\/anhducnguyen87. Email li\u00ean h\u1ec7: guiemailchotoi@gmail.com","sameAs":["https:\/\/www.facebook.com\/anhducnguyen87\/"],"url":"https:\/\/kiencang.net\/author\/admin\/"}]}},"_links":{"self":[{"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/posts\/18698"}],"collection":[{"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/comments?post=18698"}],"version-history":[{"count":1,"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/posts\/18698\/revisions"}],"predecessor-version":[{"id":24344,"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/posts\/18698\/revisions\/24344"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/media\/24616"}],"wp:attachment":[{"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/media?parent=18698"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/categories?post=18698"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/tags?post=18698"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}