{"id":11440,"date":"2021-01-31T09:18:00","date_gmt":"2021-01-31T02:18:00","guid":{"rendered":"https:\/\/www.ducanhplus.com\/?p=11440"},"modified":"2023-07-24T03:43:03","modified_gmt":"2023-07-23T20:43:03","slug":"cdn-ket-hop-seo","status":"publish","type":"post","link":"https:\/\/kiencang.net\/cdn-ket-hop-seo\/","title":{"rendered":"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 CDN k\u1ebft h\u1ee3p t\u1ed1t v\u1edbi SEO"},"content":{"rendered":"\n<p>L\u00e0 nh\u1eefng ng\u01b0\u1eddi l\u00e0m marketing, ch\u00fang ta \u0111\u1ec1u <a rel=\"noreferrer noopener\" href=\"https:\/\/kiencang.net\/viet-bai-chuan-seo\/\" target=\"_blank\">mu\u1ed1n c\u00f3 th\u1ee9 h\u1ea1ng t\u1ed1t h\u01a1n tr\u00ean m\u00e1y t\u00ecm ki\u1ebfm<\/a>. Th\u1eadm ch\u00ed ngay c\u1ea3 khi Google v\u1eeba m\u1edbi \u0111\u00e2y \u0111\u00e3 thay \u0111\u1ed5i c\u00e1c v\u1ecb tr\u00ed \u0111\u1eb7t qu\u1ea3ng c\u00e1o \u0111\u1ec3 \u00e1p \u0111\u1ea3o SEO, v\u1eabn c\u00f3 r\u1ea5t nhi\u1ec1u doanh nghi\u1ec7p v\u00e0 blogger d\u1ef1a ph\u1ea7n l\u1edbn v\u00e0o l\u01b0u l\u01b0\u1ee3ng t\u00ecm ki\u1ebfm t\u1ef1 nhi\u00ean, v\u00e0 \u0111\u00e2y l\u00e0 \u0111i\u1ec1u c\u00f2n l\u00e2u m\u1edbi thay \u0111\u1ed5i- b\u1edfi n\u1ebfu thay \u0111\u1ed5i th\u00ec Google kh\u00f4ng c\u00f2n l\u00e0 Google n\u1eefa r\u1ed3i. <\/p>\n\n\n\n<p>B\u00ean c\u1ea1nh vi\u1ec7c t\u1ea1o n\u1ed9i dung ch\u1ea5t l\u01b0\u1ee3ng cao, <a href=\"https:\/\/kiencang.net\/xay-dung-lien-ket\/\" target=\"_blank\" rel=\"noreferrer noopener\">x\u00e2y d\u1ef1ng backlink<\/a>, v\u00e0 t\u1ea1o ra c\u00e1c t\u00edn hi\u1ec7u m\u1ea1ng x\u00e3 h\u1ed9i; <a href=\"https:\/\/kiencang.net\/tang-toc-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 trang web<\/a> c\u1ee7a b\u1ea1n l\u00e0 c\u00e1ch r\u1ea5t hay \u0111\u1ec3 gi\u00fap Google n\u00f3i ri\u00eang v\u00e0 c\u00e1c m\u00e1y t\u00ecm ki\u1ebfm kh\u00e1c n\u00f3i chung l\u1eadp ch\u1ec9 m\u1ee5c v\u00e0 x\u1ebfp h\u1ea1ng trang web nhanh h\u01a1n. Tri\u1ec3n khai <a href=\"https:\/\/kiencang.net\/cdn-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">CDN (m\u1ea1ng ph\u00e2n t\u00e1n n\u1ed9i dung)<\/a> c\u00f3 th\u1ec3 l\u00e0 c\u00e1ch d\u1ec5 d\u00e0ng \u0111\u1ec3 c\u00f3 t\u1ed1c \u0111\u1ed9 t\u1ed1t h\u01a1n v\u00e0 th\u1ef1c s\u1ef1 gi\u00fap c\u1ea3i thi\u1ec7n SEO website c\u1ee7a b\u1ea1n.<\/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-6577d74db3a81\" ><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-6577d74db3a81\"  type=\"checkbox\" id=\"item-6577d74db3a81\"><\/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-ket-hop-seo\/#CDN_la_gi_vay\" title=\"CDN l\u00e0 g\u00ec v\u1eady?\">CDN l\u00e0 g\u00ec v\u1eady?<\/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-ket-hop-seo\/#CDN_giup_do_cho_SEO_nhu_the_nao\" title=\"CDN gi\u00fap \u0111\u1ee1 cho SEO nh\u01b0 th\u1ebf n\u00e0o?\">CDN gi\u00fap \u0111\u1ee1 cho SEO 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-3\" href=\"https:\/\/kiencang.net\/cdn-ket-hop-seo\/#Pha_bo_cac_hieu_lam_ve_CDN\" title=\"Ph\u1ea3 b\u1ecf c\u00e1c hi\u1ec3u l\u1ea7m v\u1ec1 CDN\">Ph\u1ea3 b\u1ecf c\u00e1c hi\u1ec3u l\u1ea7m v\u1ec1 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\/cdn-ket-hop-seo\/#Tom_tat\" title=\"T\u00f3m t\u1eaft\">T\u00f3m t\u1eaft<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"CDN_la_gi_vay\"><\/span>CDN l\u00e0 g\u00ec v\u1eady?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>CDN l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a c\u1ee5m t\u1eeb ti\u1ebfng Anh <em>Content Delivery Network<\/em>, ngh\u0129a \u0111en d\u1ecbch ra ti\u1ebfng Vi\u1ec7t l\u00e0 <em>M\u1ea1ng l\u01b0\u1edbi Ph\u00e2n t\u00e1n N\u1ed9i dung<\/em>.<\/p>\n\n\n\n<p>Tr\u01b0\u1edbc h\u1ebft, m\u1ed9t s\u1ed1 ng\u01b0\u1eddi c\u00f3 th\u1ec3 kh\u00f4ng bi\u1ebft CDN th\u1ef1c s\u1ef1 l\u00e0 g\u00ec. V\u1ec1 c\u01a1 b\u1ea3n, n\u00f3 l\u00e0 m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c m\u00e1y ch\u1ee7 \u1edf g\u1ea7n ng\u01b0\u1eddi d\u00f9ng (c\u00f2n c\u00f3 t\u00ean g\u1ecdi l\u00e0 PoP) \u0111\u1eb7t t\u1ea1i nh\u1eefng v\u1ecb tr\u00ed chi\u1ebfn l\u01b0\u1ee3c kh\u1eafp th\u1ebf gi\u1edbi. M\u1ee5c ti\u00eau c\u1ee7a n\u00f3 l\u00e0 l\u01b0u tr\u1eef v\u00e0 sao l\u01b0u c\u00e1c th\u00e0nh ph\u1ea7n t\u0129nh tr\u00ean website c\u1ee7a b\u1ea1n (v\u00ed d\u1ee5 nh\u01b0 h\u00ecnh \u1ea3nh, JS, CSS v\u00e0 \u0111\u00f4i khi l\u00e0 HTML).<\/p>\n\n\n\n<p>Khi ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp website c\u1ee7a b\u1ea1n, c\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c ph\u1ee5c v\u1ee5 b\u1edfi c\u00e1c PoP \u0111\u1eb7t t\u1ea1i v\u1ecb tr\u00ed g\u1ea7n h\u1ecd nh\u1ea5t.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/01\/co-CDN-khong-CDN.png\" alt=\"S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00f3 CDN v\u00e0 kh\u00f4ng c\u00f3 CDN\" class=\"wp-image-11441\"\/><\/figure><\/div>\n\n\n<p>L\u1ea5y v\u00ed d\u1ee5, ch\u1eb3ng h\u1ea1n b\u1ea1n s\u1eed d\u1ee5ng hosting cho website c\u1ee7a b\u1ea1n v\u1edbi m\u1ed9t c\u00f4ng ty \u1edf Hoa K\u1ef3 (v\u00ed d\u1ee5 Dreamhost, Namecheap shared hosting, Siteground, vv). Khi ai \u0111\u00f3 \u1edf Vi\u1ec7t Nam gh\u00e9 th\u0103m trang c\u1ee7a b\u1ea1n, h\u1ecd s\u1ebd ph\u1ea3i g\u1eedi y\u00eau c\u1ea7u v\u00e0 t\u1ea3i to\u00e0n b\u1ed9 website t\u1eeb host \u1edf Hoa K\u1ef3 v\u1ec1. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn h\u1ec7 qu\u1ea3 l\u00e0 c\u00f3 <em>\u0111\u1ed9 tr\u1ec5<\/em> (letancy) v\u1ec1 m\u1eb7t d\u1eef li\u1ec7u v\u1edbi qu\u00e3ng \u0111\u01b0\u1eddng xa c\u1ea7n ph\u1ea3i \u0111i. V\u1edbi CDN, m\u1ed9t y\u00eau c\u1ea7u n\u00e0o \u0111\u00f3 s\u1ebd ch\u1ec9 l\u1ea5y d\u1eef li\u1ec7u \u1edf Hoa K\u1ef3 cho t\u00e0i li\u1ec7u HTML ban \u0111\u1ea7u (c\u00e1i th\u01b0\u1eddng c\u00f3 dung l\u01b0\u1ee3ng r\u1ea5t nh\u1ecf so v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c tr\u00ean web &#8211; ND), c\u00f2n JS, CSS, \u1ea3nh, font c\u1ee5c b\u1ed9, v\u00e2n v\u00e2n \u0111\u01b0\u1ee3c ph\u1ee5c v\u1ee5 b\u1edfi c\u00e1c PoP g\u1ea7n nh\u1ea5t, trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y c\u00f3 th\u1ec3 l\u00e0 PoP \u1edf H\u00e0 N\u1ed9i ho\u1eb7c S\u00e0i G\u00f2n.<\/p>\n\n\n\n<p>CDN c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 tr\u1ec5 v\u00e0 t\u1ed1i thi\u1ec3u h\u00f3a vi\u1ec7c m\u1ea5t m\u00e1t c\u00e1c g\u00f3i d\u1eef li\u1ec7u, \u0111\u00e2y ch\u00ednh l\u00e0 c\u00e1i gi\u00fap t\u0103ng t\u1ed1c \u0111\u1ed9 ph\u00e2n ph\u1ed1i n\u1ed9i dung c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<p>PS: hi\u1ec7n nay v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a <a href=\"https:\/\/kiencang.net\/cdn-da-ung-dung\/\" target=\"_blank\" rel=\"noreferrer noopener\">CDN \u0111a \u1ee9ng d\u1ee5ng<\/a>, ch\u1eb3ng h\u1ea1n nh\u01b0 <a href=\"https:\/\/kiencang.net\/category\/cloudflare\/\" target=\"_blank\" rel=\"noreferrer noopener\">Cloudflare<\/a> v\u00e0 <a href=\"https:\/\/kiencang.net\/category\/quic-cloud\/\" target=\"_blank\" rel=\"noreferrer noopener\">QUIC cloud<\/a>, b\u1ea1n th\u1eadm ch\u00ed c\u00f3 th\u1ec3 \u0111\u1ea9y l\u00ean PoP c\u1ea3 HTML t\u0129nh v\u00e0 font c\u1ee7a Google. Khi \u0111\u00f3 h\u1ea7u nh\u01b0 to\u00e0n b\u1ed9 n\u1ed9i dung website \u0111\u01b0\u1ee3c ph\u1ee5c v\u1ee5 qua CDN, nh\u1edd \u0111\u00f3 t\u1ed1c \u0111\u1ed9 web \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n h\u01a1n, ngo\u00e0i ra <a href=\"https:\/\/kiencang.net\/website-uptime\/\" target=\"_blank\" rel=\"noreferrer noopener\">uptime c\u0169ng t\u1ed1t h\u01a1n<\/a>, v\u00ec uptime c\u1ee7a CDN th\u00ec th\u01b0\u1eddng cao h\u01a1n \u0111\u00e1ng k\u1ec3 uptime c\u1ee7a hosting m\u00e0 b\u1ea1n \u0111ang thu\u00ea.<\/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=\"CDN_giup_do_cho_SEO_nhu_the_nao\"><\/span>CDN gi\u00fap \u0111\u1ee1 cho SEO nh\u01b0 th\u1ebf n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>C\u00f3 nhi\u1ec1u quan ni\u1ec7m sai l\u1ea7m khi \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng CDN v\u00e0 c\u00e1ch n\u00f3 th\u1ef1c s\u1ef1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn SEO c\u1ee7a b\u1ea1n. Ch\u00fang ta s\u1ebd gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 \u0111\u00f3 trong b\u00e0i vi\u1ebft n\u00e0y. Nh\u01b0ng tr\u01b0\u1edbc h\u1ebft, c\u1ea7n xem l\u1ea1i m\u1ed9t v\u00e0i kh\u00eda c\u1ea1nh m\u00e0 qua \u0111\u00f3 CDN th\u1ef1c s\u1ef1 gi\u00fap c\u1ea3i thi\u1ec7n SEO c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. T\u1ed1c \u0111\u1ed9 l\u00e0 y\u1ebfu t\u1ed1 x\u1ebfp h\u1ea1ng tr\u00ean m\u00e1y t\u00ecm ki\u1ebfm<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote\">\n<p>T\u0103ng t\u1ed1c website l\u00e0 \u0111i\u1ec1u v\u00f4 c\u00f9ng quan tr\u1ecdng. Trang web nhanh h\u01a1n ngh\u0129a l\u00e0 c\u00e1c kh\u00e1ch h\u00e0ng h\u00e0i l\u00f2ng h\u01a1n. T\u1ed1c \u0111\u1ed9 trang tr\u1edf th\u00e0nh y\u1ebfu t\u1ed1 x\u1ebfp h\u1ea1ng \u0111\u00e1ng k\u1ec3 <\/p>\n<cite>&#8211; theo Matt Cutt, c\u1ef1u tr\u01b0\u1edfng nh\u00f3m ch\u1ed1ng web spam c\u1ee7a Google.<\/cite><\/blockquote>\n\n\n\n<p><strong>T\u1ed1c \u0111\u1ed9 t\u1ea3i trang web c\u1ee7a b\u1ea1n l\u00e0 \u0111i\u1ec1u r\u1ea5t quan tr\u1ecdng<\/strong>, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u1ecdi th\u1ee9, t\u1eeb t\u1ef7 l\u1ec7 tho\u00e1t trang (bounce rate) cho t\u1edbi th\u1eddi gian \u1edf tr\u00ean website tr\u01b0\u1edbc khi quay tr\u1edf l\u1ea1i m\u00e1y t\u00ecm ki\u1ebfm (<a href=\"https:\/\/kiencang.net\/dwell-time\/\" target=\"_blank\" rel=\"noreferrer noopener\">dwell time<\/a>), t\u1ef7 l\u1ec7 chuy\u1ec3n \u0111\u1ed5i (conversion rate), v\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng n\u00f3i chung.<\/p>\n\n\n\n<p>Google tuy\u00ean b\u1ed1 v\u00e0o n\u0103m 2010 l\u00e0 t\u1ed1c \u0111\u1ed9 trang web l\u00e0 m\u1ed9t trong c\u00e1c y\u1ebfu t\u1ed1 d\u00f9ng \u0111\u1ec3 quy\u1ebft \u0111\u1ecbnh th\u1ee9 h\u1ea1ng. Kh\u00f4ng ai bi\u1ebft m\u1ee9c \u0111\u1ed9 quan tr\u1ecdng c\u1ee7a y\u1ebfu t\u1ed1 n\u00e0y \u0111\u1ebfn \u0111\u00e2u trong <a href=\"https:\/\/kiencang.net\/yeu-to-xep-hang-cua-google\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00f4ng th\u1ee9c x\u1ebfp h\u1ea1ng<\/a>, nh\u01b0ng b\u1ea1n c\u00f3 th\u1ec3 kh\u00e1 ch\u1eafc ch\u1eafn l\u00e0 n\u00f3 kh\u00f4ng nh\u1ecf v\u00ec t\u1ed1c \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng, v\u00e0 m\u1ee9c \u0111\u1ed9 quan tr\u1ecdng s\u1ebd ng\u00e0y c\u00e0ng t\u0103ng theo th\u1eddi gian m\u00e0 th\u00f4i. \u0110\u1eb7c bi\u1ec7t l\u00e0 khi l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp web th\u00f4ng qua thi\u1ebft b\u1ecb di \u0111\u1ed9ng th\u1ec9nh tho\u1ea3ng \u0111\u00e3 v\u01b0\u1ee3t 50% t\u1ed5ng l\u01b0u l\u01b0\u1ee3ng c\u1ee7a m\u1ed9t website.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Ch\u00fa \u00fd! C\u00e1c \u0111o\u1ea1n m\u00e3 ch\u1eb7n hi\u1ec3n th\u1ecb (render-blocking)<\/strong><\/h4>\n\n\n\n<p>Trong khi CDN c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 t\u1ed1c \u0111\u1ed9 c\u1ee7a website, \u0111i\u1ec1u quan tr\u1ecdng c\u1ea7n ph\u1ea3i nh\u1edb l\u00e0 CDN kh\u00f4ng ph\u1ea3i c\u00e2y \u0111\u0169a th\u1ea7n. N\u00f3 s\u1ebd ph\u00e2n ph\u1ed1i c\u00e1c th\u00e0nh ph\u1ea7n tr\u00ean website c\u1ee7a b\u1ea1n ch\u00ednh x\u00e1c nh\u01b0 c\u00e1ch ch\u00fang \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp tr\u00ean trang. \u0110i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 n\u1ebfu b\u1ea1n c\u00f3 nhi\u1ec1u ngu\u1ed3n ch\u1eb7n k\u1ebft xu\u1ea5t trang\/ch\u1eb7n hi\u1ec3n th\u1ecb (render-blocking), b\u1ea1n v\u1eabn c\u00f3 th\u1ec3 g\u1eb7p t\u00ecnh tr\u1ea1ng tr\u1ec5 (b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y v\u1ea5n \u0111\u1ec1 n\u00e0y khi <a href=\"https:\/\/kiencang.net\/category\/pagespeed-insights\/\" target=\"_blank\" rel=\"noreferrer noopener\">ki\u1ec3m tra b\u1eb1ng Google PageSpeed Insights<\/a>). <\/p>\n\n\n\n<p>Nh\u1eefng ngu\u1ed3n <a href=\"https:\/\/kiencang.net\/cach-trang-web-tai-va-hien-thi\/\" target=\"_blank\" rel=\"noreferrer noopener\">render (k\u1ebft xu\u1ea5t)<\/a> li\u00ean quan \u0111\u1ebfn c\u00e1c th\u00e0nh ph\u1ea7n nh\u01b0 l\u00e0 JS v\u00e0 CSS ch\u1eb7n c\u00e1c <a href=\"https:\/\/kiencang.net\/dom-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">DOM<\/a> v\u00e0\/ho\u1eb7c gi\u1eef trang web kh\u00f4ng \u0111\u01b0\u1ee3c render cho \u0111\u1ebfn khi ch\u00fang \u0111\u01b0\u1ee3c t\u1ea3i v\u00e0 x\u1eed l\u00fd b\u1edfi tr\u00ecnh duy\u1ec7t. H\u1ec7 th\u1ed1ng CDN s\u1ebd kh\u00f4ng s\u1eeda \u0111\u01b0\u1ee3c nh\u1eefng \u0111i\u1ec1u n\u00e0y cho b\u1ea1n \u0111\u00e2u. Ch\u00fang ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft tr\u01b0\u1edbc tr\u00ean m\u00e1y ch\u1ee7 g\u1ed1c c\u1ee7a b\u1ea1n (th\u01b0\u1eddng th\u00f4ng qua vi\u1ec7c t\u1ed1i \u01b0u plugin, theme v\u00e0 s\u1eed d\u1ee5ng t\u00ednh n\u0103ng s\u1eb5n c\u00f3 trong <a href=\"https:\/\/kiencang.net\/category\/cache\/\" target=\"_blank\" rel=\"noreferrer noopener\">plugin cache<\/a>).<\/p>\n\n\n\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 l\u1eddi khuy\u00ean v\u1ec1 c\u00e1ch kh\u1eafc ph\u1ee5c c\u00e1c <a href=\"https:\/\/kiencang.net\/javascript-chan-hien-thi\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0111o\u1ea1n m\u00e3 JS ch\u1eb7n hi\u1ec3n th\u1ecb trang<\/a>:<\/p>\n\n\n\n<ol>\n<li>N\u1ebfu c\u00e1c \u0111o\u1ea1n m\u00e3 <a href=\"https:\/\/kiencang.net\/noi-tuyen-doan-ma-javascript-nho\/\" target=\"_blank\" rel=\"noreferrer noopener\">JS ch\u1ec9 ng\u1eafn th\u00f4i th\u00ec b\u1ea1n c\u00f3 th\u1ec3 inline (n\u1ed9i tuy\u1ebfn) n\u00f3<\/a>;<\/li>\n\n\n\n<li><a href=\"https:\/\/kiencang.net\/tai-javascript-defer-async\/\" target=\"_blank\" rel=\"noreferrer noopener\">T\u1ea3i c\u00e1c \u0111o\u1ea1n m\u00e3 kh\u00f4ng \u0111\u1ed3ng b\u1ed9 (asynchronously)<\/a> b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng thu\u1ed9c t\u00ednh HTML l\u00e0 <em>async<\/em>;<\/li>\n\n\n\n<li>Tr\u00ec ho\u00e3n (defer) c\u00e1c \u0111o\u1ea1n m\u00e3 JS;<\/li>\n\n\n\n<li>Chuy\u1ec3n c\u00e1c \u0111o\u1ea1n m\u00e3 JS xu\u1ed1ng footer (tuy nhi\u00ean l\u1ef1a ch\u1ecdn n\u00e0y kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng l\u00e0 gi\u1ea3i ph\u00e1p t\u1ed1t nh\u1ea5t);<\/li>\n\n\n\n<li>C\u00e1c ph\u01b0\u01a1ng ph\u00e1p thay th\u1ebf kh\u00e1c \u0111\u1ec3 tr\u00ec ho\u00e3n t\u1ea3i JS (ch\u1eb3ng h\u1ea1n d\u1ef1a v\u00e0o t\u01b0\u01a1ng t\u00e1c c\u1ee7a ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c ch\u1edd sau kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh nh\u01b0 c\u00e1ch <a href=\"https:\/\/kiencang.net\/gioi-thieu-pluign-flying-scripts\/\" target=\"_blank\" rel=\"noreferrer noopener\">plugin Flying Scripts \u0111ang l\u00e0m<\/a>).<\/li>\n<\/ol>\n\n\n\n<p>Trong WordPress, b\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng <a href=\"https:\/\/kiencang.net\/plugin-autoptimize\/\" target=\"_blank\" rel=\"noreferrer noopener\">plugin Autoptimize<\/a> v\u00e0 <a href=\"https:\/\/kiencang.net\/plugin-async-javascript\/\" target=\"_blank\" rel=\"noreferrer noopener\">Async JavaScript<\/a> \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a JS.<\/p>\n\n\n\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 l\u1eddi khuy\u00ean v\u1ec1 c\u00e1ch s\u1eeda <a href=\"https:\/\/kiencang.net\/loai-bo-css-chan-hien-thi\/\" target=\"_blank\" rel=\"noreferrer noopener\">CSS ch\u1eb7n hi\u1ec3n th\u1ecb<\/a>:<\/p>\n\n\n\n<ol>\n<li>G\u1ecdi c\u00e1c file CSS m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c;<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng <em>media queries<\/em> \u0111\u1ec3 \u0111\u00e1nh d\u1ea5u m\u1ed9t s\u1ed1 ngu\u1ed3n CSS kh\u00f4ng ph\u1ea3i ch\u1eb7n hi\u1ec3n th\u1ecb;<\/li>\n\n\n\n<li>Gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng t\u1ec7p CSS xu\u1ed1ng (n\u1ed1i c\u00e1c file CSS c\u1ee7a b\u1ea1n th\u00e0nh m\u1ed9t, l\u01b0u \u00fd l\u00e0 \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 kh\u00f4ng quan tr\u1ecdng n\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng HTTP\/2);<\/li>\n\n\n\n<li><a href=\"https:\/\/kiencang.net\/giam-thieu-css\/\" target=\"_blank\" rel=\"noreferrer noopener\">N\u00e9n file CSS<\/a> (lo\u1ea1i b\u1ecf kho\u1ea3ng tr\u1ed1ng, c\u00e1c k\u00fd t\u1ef1 v\u00e0 comment th\u1eeba, v\u00e2n v\u00e2n);<\/li>\n\n\n\n<li>V\u1ec1 m\u1eb7t t\u1ed5ng th\u1ec3 c\u1ea7n s\u1eed d\u1ee5ng \u00edt CSS h\u01a1n.<\/li>\n<\/ol>\n\n\n\n<p>B\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o th\u00eam b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 ch\u1eb7n hi\u1ec3n th\u1ecb l\u00e0 g\u00ec v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c n\u00f3:&nbsp;<a href=\"https:\/\/kiencang.net\/tang-toc-web-pagespeed-insights\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/kiencang.net\/tang-toc-web-pagespeed-insights\/<\/a><\/p>\n\n\n\n<p>V\u00e0 c\u1ea3 b\u00e0i vi\u1ebft n\u00e0y n\u1eefa v\u1ec1 <a href=\"https:\/\/kiencang.net\/critical-css-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">critical CSS trong WordPress<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. HTTPS l\u00e0 y\u1ebfu t\u1ed1 x\u1ebfp h\u1ea1ng<\/h3>\n\n\n\n<p>B\u1ea1n c\u00f3 th\u1ec3 t\u1ea3i c\u00e1c th\u00e0nh ph\u1ea7n tr\u00ean website th\u00f4ng qua HTTPS v\u1edbi CDN trong khi trang web ch\u00ednh c\u1ee7a b\u1ea1n KH\u00d4NG ph\u1ea3i l\u00e0 k\u1ebft n\u1ed1i HTTPS. Nh\u01b0ng b\u1ea1n kh\u00f4ng th\u1ec3 l\u00e0m \u0111i\u1ec1u ng\u01b0\u1ee3c l\u1ea1i \u0111\u01b0\u1ee3c, v\u00ec s\u1ebd xu\u1ea5t hi\u1ec7n c\u1ea3nh b\u00e1o n\u1ed9i dung h\u1ed7n h\u1ee3p\/mixed-content warnings (\u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 n\u1ebfu trang ch\u00ednh c\u1ee7a b\u1ea1n tri\u1ec3n khai HTTPS th\u00ec c\u00e1c n\u1ed9i dung CDN c\u0169ng b\u1eaft bu\u1ed9c ph\u1ea3i \u0111\u01b0\u1ee3c ph\u1ee5c v\u1ee5 qua giao th\u1ee9c b\u1ea3o m\u1eadt &#8211; ND). M\u1ed7i m\u1ed9t m\u00e1y ch\u1ee7 web v\u00e0 m\u1ed9t CDN y\u00eau c\u1ea7u <a href=\"https:\/\/kiencang.net\/chung-chi-ssl-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">ch\u1ee9ng ch\u1ec9 SSL<\/a> c\u1ee7a ri\u00eang n\u00f3, \u0111\u00f3 l\u00e0 nh\u1eefng qu\u00e1 tr\u00ecnh ho\u00e0n to\u00e0n ri\u00eang bi\u1ec7t.<\/p>\n\n\n\n<p>V\u1edbi s\u1ef1 ra \u0111\u1eddi c\u1ee7a HTTP\/2 \u0111\u00e3 \u0111em l\u1ea1i r\u1ea5t nhi\u1ec1u l\u1ee3i \u00edch v\u1ec1 m\u1eb7t hi\u1ec7u su\u1ea5t khi s\u1eed d\u1ee5ng HTTPS. Ch\u00fang bao g\u1ed3m gh\u00e9p k\u00eanh (multiplexing), n\u00e9n HPACK, v\u00e0 server push. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 HTTPS kh\u00f4ng c\u00f2n ch\u1eadm nh\u01b0 tr\u01b0\u1edbc \u0111\u00e2y khi b\u1ea1n so s\u00e1nh n\u00f3 v\u1edbi SPDY.<\/p>\n\n\n\n<p>Nh\u00f3m HttpWatch \u0111\u00e3 quan s\u00e1t th\u1ea5y t\u1ed1c \u0111\u1ed9 t\u0103ng 20% khi so s\u00e1nh HTTPS v\u1edbi SPDY\/3.1 v\u00e0 HTTP\/2.<\/p>\n\n\n\n<p>V\u1eady l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 li\u00ean k\u1ebft n\u00f3 v\u1edbi CDN? V\u00e2ng, r\u1ea5t nhi\u1ec1u nh\u00e0 cung c\u1ea5p CDN hi\u1ec7n \u0111\u00e3 t\u00edch h\u1ee3p &#8220;Let&#8217;s Encrypt&#8221;.<\/p>\n\n\n\n<p>Let&#8217;s Encrypt cho ph\u00e9p b\u1ea1n b\u1eadt t\u00ednh n\u0103ng HTTPS tr\u00ean CDN c\u1ee7a b\u1ea1n ho\u00e0n to\u00e0n mi\u1ec5n ph\u00ed. V\u00e0 mi\u1ec5n l\u00e0 nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 CDN c\u1ee7a b\u1ea1n h\u1ed7 tr\u1ee3 HTTP\/2, th\u00ec b\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng ph\u1ee5c v\u1ee5 t\u1ea5t c\u1ea3 c\u00e1c n\u1ed9i dung nhanh h\u01a1n th\u00f4ng qua HTTP\/2. \u0110i\u1ec1u n\u00e0y s\u1ebd gi\u00fap t\u0103ng t\u1ed1c ph\u00e2n ph\u1ed1i n\u1ed9i dung c\u1ee7a b\u1ea1n v\u00e0 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 t\u1ea3i trang. T\u1ea5t nhi\u00ean b\u1ea1n l\u00fac n\u00e0o c\u0169ng c\u00f3 th\u1ec3 t\u1ea3i l\u00ean ch\u1ee9ng ch\u1ec9 c\u1ee7a ri\u00eang m\u00ecnh \u0111\u1ec3 b\u1eadt HTTPS tr\u00ean nh\u00e0 cung c\u1ea5p CDN n\u00e0o \u0111\u00f3 (tuy nhi\u00ean c\u00e1ch l\u00e0m n\u00e0y s\u1ebd l\u00e0m b\u1ea1n m\u1ea5t th\u1eddi gian v\u00e0o c\u1eadp nh\u1eadt).<\/p>\n\n\n\n<p>V\u00e0 nh\u1edb \u0111i\u1ec1u n\u00e0y n\u1eefa, n\u1ebfu b\u1ea1n hi\u1ec7n v\u1eabn ch\u01b0a s\u1eed d\u1ee5ng HTTPS, b\u1ea1n c\u00f3 th\u1ec3 l\u00e0m \u0111i\u1ec1u n\u00e0y qua hai b\u01b0\u1edbc. \u0110\u00f4i khi s\u1ebd d\u1ec5 h\u01a1n khi chuy\u1ec3n CDN c\u1ee7a b\u1ea1n sang HTTPS tr\u01b0\u1edbc, v\u00e0 sau \u0111\u00f3 th\u00ec ti\u1ebfn h\u00e0nh chuy\u1ec3n server c\u1ee7a b\u1ea1n sang HTTPS sau.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. T\u1ed1c \u0111\u1ed9 l\u1eadp ch\u1ec9 m\u1ee5c \u1ea3nh nhanh h\u01a1n trong SERP<\/h3>\n\n\n\n<p>N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n th\u00ec, CDN c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n l\u1eadp ch\u1ec9 m\u1ee5c \u1ea3nh nhanh h\u01a1n tr\u00ean trang k\u1ebft qu\u1ea3 c\u1ee7a m\u00e1y t\u00ecm ki\u1ebfm. C\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm h\u00ecnh \u1ea3nh c\u1ee7a Google l\u00e0 m\u1ed9t ch\u1ee7 \u0111\u1ec1 hi\u1ebfm khi \u0111\u01b0\u1ee3c th\u1ea3o lu\u1eadn trong th\u1ebf gi\u1edbi SEO v\u00e0 CDN, tuy nhi\u00ean \u0111\u00e2y l\u00e0 m\u1ed9t t\u00ednh n\u0103ng r\u1ea5t quan tr\u1ecdng tr\u00ean trang k\u1ebft qu\u1ea3 t\u00ecm ki\u1ebfm, \u0111em l\u1ea1i r\u1ea5t nhi\u1ec1u l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp. <\/p>\n\n\n\n<p>Theo m\u1ed9t nghi\u00ean c\u1ee9u c\u1ee7a Brafton Marketing, 63% click t\u00ecm ki\u1ebfm h\u00ecnh \u1ea3nh \u0111\u01b0\u1ee3c chuy\u1ec3n th\u00e0nh l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp v\u00e0o trang web. R\u00f5 r\u00e0ng, th\u00e0nh c\u00f4ng t\u01b0\u01a1ng t\u1ef1 s\u1ebd thay \u0111\u1ed5i t\u1eeb th\u1ecb tr\u01b0\u1eddng ng\u00e1ch n\u00e0y sang th\u1ecb tr\u01b0\u1eddng ng\u00e1ch kh\u00e1c.<\/p>\n\n\n\n<p>B\u1eb1ng c\u00e1ch l\u01b0u tr\u1eef h\u00ecnh \u1ea3nh c\u1ee7a b\u1ea1n tr\u00ean CDN, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c \u1ea3nh n\u00e0y \u0111\u01b0\u1ee3c l\u1eadp ch\u1ec9 m\u1ee5c nhanh nh\u1ea5t c\u00f3 th\u1ec3 v\u00e0 Google s\u1ebd crawl ch\u00fang th\u01b0\u1eddng xuy\u00ean h\u01a1n. B\u1ea1n s\u1ebd th\u1ea5y m\u1ed9t m\u1ed1i t\u01b0\u01a1ng quan tr\u1ef1c ti\u1ebfp v\u1edbi th\u1ee9 h\u1ea1ng c\u1ee7a b\u1ee9c \u1ea3nh trong c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm h\u00ecnh \u1ea3nh c\u1ee7a Google.<\/p>\n\n\n\n<p>M\u1ed9t m\u1eb9o kh\u00e1c l\u00e0 s\u1eed d\u1ee5ng CNAME cho \u0111\u1ecba ch\u1ec9 CDN c\u1ee7a b\u1ea1n. Th\u00f4ng th\u01b0\u1eddng, d\u1ecbch v\u1ee5 CDN cung c\u1ea5p cho kh\u00e1ch h\u00e0ng hai l\u1ef1a ch\u1ecdn cho \u0111\u1ecba ch\u1ec9 CDN:<\/p>\n\n\n\n<ol>\n<li>\u0110\u1ecba ch\u1ec9 CDN d\u00f9ng chung, \u0111\u01b0\u1ee3c t\u1ea1o t\u1ef1 \u0111\u1ed9ng, s\u1eed d\u1ee5ng t\u00ean mi\u1ec1n c\u1ee7a nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5;<\/li>\n\n\n\n<li>\u0110\u1ecba ch\u1ec9 CDN t\u00f9y ch\u1ec9nh, s\u1eed d\u1ee5ng subdomain c\u1ee7a b\u1ea1n.<\/li>\n<\/ol>\n\n\n\n<p>Thi\u1ebft l\u1eadp \u0111\u1ecba ch\u1ec9 CDN t\u00f9y ch\u1ec9nh v\u1edbi CNAME cho ph\u00e9p b\u1ea1n tr\u1ecf c\u00e1c t\u00e0i nguy\u00ean v\u1ec1 m\u1ed9t subdomain tr\u00ean t\u00ean mi\u1ec1n c\u1ee7a b\u1ea1n, v\u00ed d\u1ee5 nh\u01b0 <code>cdn.ten-mien-cua-ban.com<\/code><\/p>\n\n\n\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t v\u00e0i l\u00fd do \u0111\u1ec3 b\u1ea1n c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng \u0111\u1ecba ch\u1ec9 CDN t\u00f9y ch\u1ec9nh (custom CDN URL):<\/p>\n\n\n\n<ol>\n<li>N\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng \u0111\u1ecba ch\u1ec9 CDN t\u00f9y ch\u1ec9nh, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng sitemap \u0111\u1ec3 xem d\u1eef li\u1ec7u c\u00e1c \u1ea3nh \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eadp ch\u1ec9 m\u1ee5c tr\u00ean Google Search Console. N\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng \u0111\u1ecba ch\u1ec9 m\u1eb7c \u0111\u1ecbnh c\u1ee7a nh\u00e0 cung c\u1ea5p, b\u1ea1n s\u1ebd kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng xem d\u1eef li\u1ec7u n\u00e0y. Tuy v\u1eady b\u1ea1n v\u1eabn c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng <a href=\"https:\/\/kiencang.net\/tim-kiem-nang-cao-google\/\" target=\"_blank\" rel=\"noreferrer noopener\">to\u00e1n t\u1eed t\u00ecm ki\u1ebfm<\/a> URL;<\/li>\n\n\n\n<li>B\u1ea1n c\u00f3 to\u00e0n quy\u1ec1n v\u1edbi \u0111\u1ecba ch\u1ec9 CDN t\u00f9y ch\u1ec9nh v\u00e0 c\u00f3 th\u1ec3 chuy\u1ec3n sang nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 CDN kh\u00e1c d\u1ec5 d\u00e0ng h\u01a1n trong khi v\u1eabn gi\u1eef nguy\u00ean \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1ecba ch\u1ec9 URL (c\u1ee7a CDN);<\/li>\n\n\n\n<li>\u0110\u1ecba ch\u1ec9 CDN t\u00f9y ch\u1ec9nh c\u00f3 th\u1ec3 \u0111em l\u1ea1i hi\u1ec7u \u1ee9ng th\u01b0\u01a1ng hi\u1ec7u t\u1ed1t h\u01a1n khi m\u1ecdi ng\u01b0\u1eddi th\u1ea5y \u0111\u1ecba ch\u1ec9 \u1ea3nh c\u1ee7a b\u1ea1n. C\u0169ng v\u1eady, v\u1edbi Google, \u0111\u00f4i khi s\u1ebd t\u1ed1t h\u01a1n khi b\u1ea1n li\u00ean k\u1ebft \u0111\u1ebfn t\u00ean mi\u1ec1n tr\u00ean c\u00f9ng \u0111\u1ecba ch\u1ec9 g\u1ed1c c\u1ee7a trang.<\/li>\n<\/ol>\n\n\n\n<p>P\/S: v\u1ec1 v\u1ea5n \u0111\u1ec1 c\u00f3 n\u00ean thi\u1ebft l\u1eadp t\u00ean mi\u1ec1n t\u00f9y ch\u1ec9nh hay kh\u00f4ng, b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o b\u00e0i vi\u1ebft n\u00e0y: <a href=\"https:\/\/kiencang.net\/thiet-lap-ten-mien-tuy-chinh-cdn\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/kiencang.net\/thiet-lap-ten-mien-tuy-chinh-cdn\/<\/a><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Ch\u00fa \u00fd! V\u1ea5n \u0111\u1ec1 v\u1edbi l\u1eadp ch\u1ec9 m\u1ee5c \u1ea3nh cho Yoast<\/strong><\/h4>\n\n\n\n<p>N\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng WordPress v\u00e0 c\u00e1c \u1ea3nh CDN c\u1ee7a b\u1ea1n b\u1eaft \u0111\u1ea7u \u0111\u01b0\u1ee3c l\u1eadp-ch\u1ec9-m\u1ee5c-l\u1ea1i (de-indexed) t\u1eeb t\u00e0i kho\u1ea3n Google Search Console, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra v\u1ea5n \u0111\u1ec1 v\u1ec1 c\u1ea5u tr\u00fac sitemap v\u1edbi <a href=\"https:\/\/kiencang.net\/yoast-seo\/\">Yoast SEO<\/a>.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/01\/van-de-voi-Yoast.png\" alt=\"v\u1ea5n \u0111\u1ec1 v\u1edbi Yoast SEO\" class=\"wp-image-11443\"\/><\/figure><\/div>\n\n\n<p>B\u1ea1n c\u00f3 th\u1ec3 c\u1ea7n b\u1ed5 sung m\u1ed9t \u0111o\u1ea1n m\u00e3 nh\u1ecf v\u00e0o v\u1ecb tr\u00ed \u0111\u1ea7u c\u1ee7a file <em>functions.php<\/em> \u0111\u1ec3 l\u1eadp ch\u1ec9 m\u1ee5c \u1ea3nh c\u1ee7a b\u1ea1n t\u1eeb t\u00ean mi\u1ec1n CDN.<\/p>\n\n\n\n<p>S\u1eed d\u1ee5ng \u0111o\u1ea1n m\u00e3 sau, b\u1ea1n c\u1ea7n nh\u1edb c\u1eadp nh\u1eadt \u0111\u1ecba ch\u1ec9 CDN c\u1ee7a b\u1ea1n ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>function wpseo_cdn_filter( $uri ) { return str_replace( 'https:\/\/www.ten-mien-cua-ban.com', 'https:\/\/cdn.ten-mien-cua-ban.com', $uri ); } add_filter( 'wpseo_xml_sitemap_img_src', 'wpseo_cdn_filter' );<\/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=\"Pha_bo_cac_hieu_lam_ve_CDN\"><\/span>Ph\u1ea3 b\u1ecf c\u00e1c hi\u1ec3u l\u1ea7m v\u1ec1 CDN<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\u00e2y, c\u00f3 r\u1ea5t nhi\u1ec1u hi\u1ec3u nh\u1ea7m trong th\u1ebf gi\u1edbi internet khi \u0111\u1ec1 c\u1eadp \u0111\u1ebfn CDN. H\u00e3y xem m\u1ed9t v\u00e0i \u00fd ki\u1ebfn ph\u1ed5 bi\u1ebfn cho r\u1eb1ng s\u1eed d\u1ee5ng CDN s\u1ebd kh\u00f4ng t\u1ed1t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. CDN l\u00e0 nguy\u00ean nh\u00e2n g\u00e2y ra v\u1ea5n \u0111\u1ec1 tr\u00f9ng l\u1eb7p n\u1ed9i dung (duplicate content)<\/h3>\n\n\n\n<p><strong>SAI!<\/strong><\/p>\n\n\n\n<p>\u0110\u1eebng hi\u1ec3u l\u1ea7m t\u00f4i, <a href=\"https:\/\/kiencang.net\/trung-lap-noi-dung-cdn\/\" target=\"_blank\" rel=\"noreferrer noopener\">CDN ch\u1eafc ch\u1eafn c\u00f3 th\u1ec3 l\u00e0 nguy\u00ean nh\u00e2n g\u00e2y ra v\u1ea5n \u0111\u1ec1 tr\u00f9ng l\u1eb7p n\u1ed9i dung<\/a> tuy nhi\u00ean \u0111i\u1ec1u \u0111\u00f3 ch\u1ec9 x\u1ea3y ra khi b\u1ea1n thi\u1ebft l\u1eadp kh\u00f4ng ch\u00ednh x\u00e1c. D\u01b0\u1edbi \u0111\u00e2y c\u00f3 hai \u0111i\u1ec1u c\u1ea7n \u0111\u1ec3 \u00fd:<\/p>\n\n\n\n<ul>\n<li><strong>Canonical header<\/strong>: B\u1ea1n c\u1ea7n ph\u1ea3i \u0111\u1ea3m b\u1ea3o r\u1eb1ng Canonical header \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp. \u0110\u00e2y l\u00e0 m\u1ed9t header HTTP m\u1edf r\u1ed9ng \u0111\u01b0\u1ee3c b\u1ed5 sung v\u00e0o CDN c\u1ee7a b\u1ea1n \u0111\u1ec3 n\u00f3i v\u1edbi crawler (b\u1ecd t\u00ecm ki\u1ebfm) c\u1ee7a Google r\u1eb1ng n\u1ed9i dung tr\u00ean CDN ch\u1ec9 l\u00e0 b\u1ea3n copy. M\u1ed9t khi b\u1ea1n \u0111\u00e3 th\u00eam HTTP header n\u00e0y, \u1ea3nh c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c l\u1eadp ch\u1ec9 m\u1ee5c nh\u01b0 b\u00ecnh th\u01b0\u1eddng, c\u0169ng nh\u01b0 crawler s\u1ebd bi\u1ebft r\u1eb1ng ch\u00fang ch\u1ec9 l\u00e0 b\u1ea3n copy v\u00e0 b\u1ea1n s\u1ebd kh\u00f4ng b\u1ecb v\u1ea5n \u0111\u1ec1 tr\u00f9ng l\u1eb7p n\u1ed9i dung. H\u1ea7u h\u1ebft c\u00e1c nh\u00e0 cung c\u1ea5p CDN c\u00f3 t\u00f9y ch\u1ecdn b\u1eadt t\u00ednh n\u0103ng n\u00e0y v\u1edbi ch\u1ec9 m\u1ed9t thao t\u00e1c click. N\u1ebfu kh\u00f4ng c\u00f3, b\u1ea1n c\u00f3 th\u1ec3 th\u00f4ng qua <a href=\"https:\/\/kiencang.net\/sua-htaccess-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">ch\u1ec9nh s\u1eeda file .htaccess<\/a> \u0111\u1ec3 thi\u1ebft l\u1eadp \u0111i\u1ec1u n\u00e0y<\/li>\n\n\n\n<li><strong>File robots.txt<\/strong>: C\u00e1c m\u00e1y t\u00ecm ki\u1ebfm c\u00f3 th\u1ec3 qu\u00e9t n\u1ed9i dung g\u1ed1c c\u1ee7a website v\u00e0 t\u00ecm ki\u1ebfm file robots.txt. N\u1ebfu b\u1ecd t\u00ecm ki\u1ebfm t\u00ecm th\u1ea5y file, ch\u00fang s\u1ebd \u0111i theo h\u01b0\u1edbng d\u1eabn; nh\u01b0ng n\u1ebfu kh\u00f4ng c\u00f3 file n\u00e0o c\u1ea3, ch\u00fang s\u1ebd qu\u00e9t m\u1ecdi th\u1ee9. M\u1eb7c \u0111\u1ecbnh, h\u1ea7u h\u1ebft c\u00e1c nh\u00e0 cung c\u1ea5p CDN kh\u00f4ng k\u00edch ho\u1ea1t t\u00ednh n\u0103ng n\u00e0y, ngh\u0129a l\u00e0 m\u1ecdi th\u1ee9 s\u1ebd \u0111\u01b0\u1ee3c l\u1eadp ch\u1ec9 m\u1ee5c. Canonical header th\u01b0\u1eddng \u0111\u00e3 gi\u00fap b\u1ea1n ho\u00e0n th\u00e0nh nhi\u1ec7m v\u1ee5. Tuy v\u1eady, n\u1ebfu n\u00f3 \u0111\u01b0\u1ee3c b\u1eadt, b\u1ea1n s\u1ebd mu\u1ed1n \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u00f3 cho ph\u00e9p m\u1ecdi th\u1ee9 \u0111\u01b0\u1ee3c l\u1eadp ch\u1ec9 m\u1ee5c (ch\u1ee9 kh\u00f4ng ph\u1ea3i ch\u1eb7n b\u1ecd t\u00ecm ki\u1ebfm).<\/li>\n<\/ul>\n\n\n\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 v\u00ed d\u1ee5 v\u1ec1 file robots.txt tr\u00ean CDN cho ph\u00e9p qu\u00e9t (crawl) m\u1ecdi th\u1ee9:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><em>User-agent: * <\/em>\n<em>Disallow:<\/em><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>L\u01b0u \u00fd! Gi\u1eef nguy\u00ean c\u1ea5u tr\u00fac file<\/strong><\/h4>\n\n\n\n<p>M\u1ed9t \u0111i\u1ec1u c\u0169ng quan tr\u1ecdng ph\u1ea3i \u0111\u1ec3 \u00fd l\u00e0 b\u1ea1n c\u1ea7n gi\u1eef nguy\u00ean c\u1ea5u tr\u00fac khi chuy\u1ec3n sang d\u00f9ng CDN. N\u1ebfu kh\u00f4ng, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y r\u1eafc r\u1ed1i cho \u1ea3nh c\u1ee7a b\u1ea1n v\u00e0 c\u1ea3 ch\u1ec9 m\u1ee5c tr\u00ean Google n\u1eefa.<\/p>\n\n\n\n<p>L\u1ea5y v\u00ed d\u1ee5 \u0111\u00e2y l\u00e0 c\u1ea5u tr\u00fac c\u1ee7a b\u1ea1n tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng CDN.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><em>www.ten-mien-cua-ban.com\/wp-content\/uploads\/2019\/01\/image1.png<\/em><\/pre>\n\n\n\n<p>Th\u00ec d\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u1ea5u tr\u00fac ph\u1ea3i c\u00f3 khi d\u00f9ng CDN cho n\u00f3.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><em>cdn.ten-mien-cua-ban.com\/wp-content\/uploads\/2019\/01\/image1.png<\/em><\/pre>\n\n\n\n<p>\u0110i\u1ec1u \u0111\u00f3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng Google, c\u00f9ng v\u1edbi canonical header \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp \u0111\u00fang, s\u1ebd l\u1eadp ch\u1ec9 m\u1ee5c c\u00e1c \u1ea3nh c\u1ee7a b\u1ea1n m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c v\u00e0 b\u1ea1n s\u1ebd gi\u1eef l\u1ea1i \u0111\u01b0\u1ee3c t\u1ea5t c\u1ea3 l\u01b0u l\u01b0\u1ee3ng t\u1eeb Google t\u00ecm ki\u1ebfm h\u00ecnh \u1ea3nh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. D\u1ecbch v\u1ee5 CDN \u0111\u1eaft \u0111\u1ecf<\/h3>\n\n\n\n<p><strong>SAI!<\/strong><\/p>\n\n\n\n<p>M\u1ed9t s\u1ed1 nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 CDN c\u00f3 gi\u00e1 0,04$\/GB v\u00e0 h\u1ec7 th\u1ed1ng d\u00f9ng \u0111\u1ebfn \u0111\u00e2u th\u00ec tr\u1ea3 ti\u1ec1n \u0111\u1ebfn \u0111\u1ea5y (pay-as-you-go), trong khi c\u00e1c nh\u00e0 cung c\u1ea5p kh\u00e1c c\u00f3 ph\u00ed c\u1ed1 \u0111\u1ecbnh h\u00e0ng th\u00e1ng. Kh\u00f4ng th\u00e0nh v\u1ea5n \u0111\u1ec1 l\u00e0 b\u1ea1n ch\u1ecdn c\u00e1ch th\u1ee9c n\u00e0o, CDN gi\u1edd \u0111\u00e2y c\u00f3 chi ph\u00ed ph\u1ea3i ch\u0103ng h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi tr\u01b0\u1edbc \u0111\u00e2y.<\/p>\n\n\n\n<p>\u0110\u1ec3 \u0111\u01b0a ra v\u00ed d\u1ee5 v\u1ec1 gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng c\u1ee7a d\u1ecbch v\u1ee5, t\u00f4i c\u00f3 m\u1ed9t trang web c\u00f3 h\u01a1n 60 ng\u00e0n ng\u01b0\u1eddi gh\u00e9 th\u0103m m\u1ed7i th\u00e1ng v\u00e0 t\u00f4i ch\u1ec9 ph\u1ea3i tr\u1ea3 3,45$ m\u1ed7i th\u00e1ng cho d\u1ecbch v\u1ee5 CDN. \u0110i\u1ec1u n\u00e0y s\u1ebd ph\u1ee5 thu\u1ed9c v\u00e0o b\u0103ng th\u00f4ng b\u1ea1n s\u1eed d\u1ee5ng, nh\u01b0ng n\u1ebfu ph\u1ea7n l\u1edbn trang c\u1ee7a b\u1ea1n c\u00f3 traffic th\u00f4ng th\u01b0\u1eddng, th\u00ec cu\u1ed1i th\u00e1ng s\u1ed1 ti\u1ec1n ph\u1ea3i tr\u1ea3 s\u1ebd ch\u1ec9 b\u1eb1ng v\u00e0i t\u00e1ch c\u00e0 ph\u00ea s\u00e1ng \u1edf H\u00e0 N\u1ed9i m\u00e0 th\u00f4i.<\/p>\n\n\n\n<p>PS: n\u1ebfu b\u1ea1n quan t\u00e2m \u0111\u1ebfn d\u1ecbch v\u1ee5 CDN gi\u00e1 r\u1ebb c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t, h\u00e3y tham kh\u1ea3o d\u1ecbch v\u1ee5 c\u1ee7a <a href=\"https:\/\/kiencang.net\/gioi-thieu-bunnycdn\/\" target=\"_blank\" rel=\"noreferrer noopener\">BunnyCDN<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. CDN r\u1ea5t kh\u00f3 \u0111\u1ec3 c\u00e0i \u0111\u1eb7t<\/h3>\n\n\n\n<p><strong>SAI!<\/strong><\/p>\n\n\n\n<p>CDN c\u00f3 th\u1ec3 h\u01a1i ph\u1ee9c t\u1ea1p m\u1ed9t ch\u00fat khi b\u1ea1n m\u1edbi l\u00e0m quen v\u1edbi n\u00f3. Nh\u01b0ng c\u00f3 r\u1ea5t nhi\u1ec1u th\u00f4ng tin h\u1eefu \u00edch tr\u00ean m\u1ea1ng c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n tri\u1ec3n khai CDN. M\u1ed9t s\u1ed1 nh\u00e0 cung c\u1ea5p CDN th\u1eadm ch\u00ed c\u00f2n t\u1ea1o ra plugin WordPress c\u1ee7a ri\u00eang h\u1ecd (khi\u1ebfn cho vi\u1ec7c tri\u1ec3n khai c\u00f2n d\u1ec5 d\u00e0ng h\u01a1n n\u1eefa) v\u00e0 v\u1edbi h\u1ea7u h\u1ebft c\u00e1c n\u1ec1n t\u1ea3ng kh\u00e1c hi\u1ec7n c\u00f3, nh\u01b0 Magento, Joomla, Drupal, Laravel v\u00e0 Ruby.<\/p>\n\n\n\n<p>Khi c\u00f2n l\u0103n t\u0103n h\u00e3y h\u1ecfi ng\u01b0\u1eddi tr\u1ee3 gi\u00fap.<\/p>\n\n\n\n<p>B\u1ea1n tr\u1ea3 ti\u1ec1n \u0111\u1ec3 s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 CDN, v\u00ec th\u1ebf \u0111\u1eebng ng\u1ea1i khi h\u1ecfi nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 h\u1ed7 tr\u1ee3.<\/p>\n\n\n\n<p>P\/S: \u0110\u1ecdc th\u00eam b\u00e0i <a href=\"https:\/\/kiencang.net\/rac-roi-cdn\/\" target=\"_blank\" rel=\"noreferrer noopener\">C\u00e1c r\u1eafc r\u1ed1i khi l\u1ea7n \u0111\u1ea7u s\u1eed d\u1ee5ng CDN<\/a> \u0111\u1ec3 bi\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c nh\u00e9.<\/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=\"Tom_tat\"><\/span>T\u00f3m t\u1eaft<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Hy v\u1ecdng l\u00e0 gi\u1edd b\u1ea1n \u0111\u00e3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u00e1ch m\u00e0 CDN l\u00e0m vi\u1ec7c v\u00e0 m\u1ed1i li\u00ean h\u1ec7 gi\u1eefa n\u00f3 v\u1edbi SEO v\u00e0 k\u1ebft qu\u1ea3 t\u00ecm ki\u1ebfm. N\u1ebfu \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp ch\u00ednh x\u00e1c, CDN c\u00f3 th\u1ec3 l\u00e0 c\u00e1ch d\u1ec5 d\u00e0ng v\u00e0 hi\u1ec7u qu\u1ea3 v\u1ec1 m\u1eb7t chi ph\u00ed \u0111\u1ec3 c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 website v\u00e0 gi\u00fap cho n\u1ed9i dung v\u00e0 \u1ea3nh c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c l\u1eadp ch\u1ec9 m\u1ee5c nhanh h\u01a1n.<\/p>\n\n\n\n<p><em>(D\u1ecbch t\u1eeb b\u00e0i vi\u1ebft <a href=\"https:\/\/moz.com\/blog\/how-to-get-cdns-to-play-nice-with-seo\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">How to Get CDNs to Play Nice with SEO c\u1ee7a t\u00e1c gi\u1ea3 Brian Jackson<\/a>, \u0111\u0103ng tr\u00ean website c\u1ee7a MOZ)<\/em><\/p>\n\n\n\n<p><em>Brian Jackson l\u00e0 tr\u01b0\u1edfng ph\u00f2ng marketing c\u1ee7a Kinsta, v\u00e0 b\u00e0i vi\u1ebft n\u00e0y \u0111\u01b0\u1ee3c KeyCDN thu\u00ea t\u00e1c gi\u1ea3 vi\u1ebft. Ngo\u00e0i l\u1ec1 th\u00eam th\u00ec Kinsta l\u00e0 nh\u00e0 cung c\u1ea5p hosting WordPress cho \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00e1ch h\u00e0ng cao c\u1ea5p, v\u1edbi chi ph\u00ed \u0111\u1eaft \u0111\u1ecf. C\u00f2n KeyCDN l\u00e0 nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 CDN c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 t\u1ed1t. Hi\u1ec7n Kinsta \u0111ang h\u1ee3p t\u00e1c v\u1edbi KeyCDN \u0111\u1ec3 t\u00edch h\u1ee3p CDN v\u00e0o c\u00e1c g\u00f3i hosting c\u1ee7a h\u1ecd.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u00e0 nh\u1eefng ng\u01b0\u1eddi l\u00e0m marketing, ch\u00fang ta \u0111\u1ec1u mu\u1ed1n c\u00f3 th\u1ee9 h\u1ea1ng t\u1ed1t h\u01a1n tr\u00ean m\u00e1y t\u00ecm ki\u1ebfm. Th\u1eadm ch\u00ed ngay c\u1ea3 khi Google v\u1eeba m\u1edbi \u0111\u00e2y \u0111\u00e3 thay \u0111\u1ed5i c\u00e1c v\u1ecb tr\u00ed \u0111\u1eb7t qu\u1ea3ng c\u00e1o \u0111\u1ec3 \u00e1p \u0111\u1ea3o SEO, v\u1eabn c\u00f3 r\u1ea5t nhi\u1ec1u doanh nghi\u1ec7p v\u00e0 blogger d\u1ef1a ph\u1ea7n l\u1edbn v\u00e0o l\u01b0u l\u01b0\u1ee3ng t\u00ecm &hellip;<\/p>\n","protected":false},"author":1,"featured_media":20453,"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>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 CDN k\u1ebft h\u1ee3p t\u1ed1t v\u1edbi SEO &#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-ket-hop-seo\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 CDN k\u1ebft h\u1ee3p t\u1ed1t v\u1edbi SEO &#8226; Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"og:description\" content=\"L\u00e0 nh\u1eefng ng\u01b0\u1eddi l\u00e0m marketing, ch\u00fang ta \u0111\u1ec1u mu\u1ed1n c\u00f3 th\u1ee9 h\u1ea1ng t\u1ed1t h\u01a1n tr\u00ean m\u00e1y t\u00ecm ki\u1ebfm. Th\u1eadm ch\u00ed ngay c\u1ea3 khi Google v\u1eeba m\u1edbi \u0111\u00e2y \u0111\u00e3 thay \u0111\u1ed5i c\u00e1c v\u1ecb tr\u00ed \u0111\u1eb7t qu\u1ea3ng c\u00e1o \u0111\u1ec3 \u00e1p \u0111\u1ea3o SEO, v\u1eabn c\u00f3 r\u1ea5t nhi\u1ec1u doanh nghi\u1ec7p v\u00e0 blogger d\u1ef1a ph\u1ea7n l\u1edbn v\u00e0o l\u01b0u l\u01b0\u1ee3ng t\u00ecm &hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kiencang.net\/cdn-ket-hop-seo\/\" \/>\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=\"2021-01-31T02:18:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-07-23T20:43:03+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/01\/cai-thien-SEO.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1180\" \/>\n\t<meta property=\"og:image:height\" content=\"400\" \/>\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=\"15 ph\u00fat\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 CDN k\u1ebft h\u1ee3p t\u1ed1t v\u1edbi SEO &#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-ket-hop-seo\/","og_locale":"vi_VN","og_type":"article","og_title":"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 CDN k\u1ebft h\u1ee3p t\u1ed1t v\u1edbi SEO &#8226; Ki\u1ebfn c\u00e0ng","og_description":"L\u00e0 nh\u1eefng ng\u01b0\u1eddi l\u00e0m marketing, ch\u00fang ta \u0111\u1ec1u mu\u1ed1n c\u00f3 th\u1ee9 h\u1ea1ng t\u1ed1t h\u01a1n tr\u00ean m\u00e1y t\u00ecm ki\u1ebfm. 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