{"id":11258,"date":"2019-01-12T10:43:26","date_gmt":"2019-01-12T10:43:26","guid":{"rendered":"http:\/\/www.ducanhplus.com\/?p=11258"},"modified":"2019-01-12T10:43:26","modified_gmt":"2019-01-12T10:43:26","slug":"huong-dan-su-dung-cloudflare","status":"publish","type":"post","link":"https:\/\/kiencang.net\/huong-dan-su-dung-cloudflare\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng Cloudflare (b\u1ea3n Pro) \u0111\u1ec3 t\u0103ng t\u1ed1c website to\u00e0n di\u1ec7n"},"content":{"rendered":"\n<p><a href=\"https:\/\/kiencang.net\/tang-toc-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">T\u0103ng t\u1ed1c v\u00e0 duy tr\u00ec s\u1ef1 \u1ed5n \u0111\u1ecbnh li\u00ean t\u1ee5c c\u1ee7a website<\/a> l\u00e0 nhi\u1ec7m v\u1ee5 v\u00f4 c\u00f9ng quan tr\u1ecdng v\u1edbi ng\u01b0\u1eddi qu\u1ea3n tr\u1ecb web. N\u1ebfu b\u1ea1n ch\u1ecdn \u0111\u01b0\u1ee3c <a href=\"https:\/\/kiencang.net\/khong-co-hosting-tot-nhat\/\" target=\"_blank\" rel=\"noreferrer noopener\">hosting h\u1ebft s\u1ee9c \u01b0ng \u00fd r\u1ed3i<\/a> (v\u00ed d\u1ee5 <a href=\"https:\/\/kiencang.net\/closte-host\/\" target=\"_blank\" rel=\"noreferrer noopener\">Closte<\/a>) th\u00ec vi\u1ec7c s\u1eed d\u1ee5ng Cloudflare <em>c\u00f3 th\u1ec3 kh\u00f4ng c\u1ea7n thi\u1ebft<\/em>, tuy nhi\u00ean n\u1ebfu b\u1ea1n g\u1eb7p m\u1ed9t trong c\u00e1c v\u1ea5n \u0111\u1ec1 sau th\u00ec h\u00e3y n\u00ean c\u00e2n nh\u1eafc d\u00f9ng n\u00f3.<\/p>\n\n\n<ul><li><a href=\"https:\/\/kiencang.net\/website-cham\/\" target=\"_blank\" rel=\"noreferrer noopener\">Website c\u1ee7a b\u1ea1n <strong>t\u1ed1c \u0111\u1ed9 ch\u1eadm<\/strong><\/a> do hosting \u1edf xa ng\u01b0\u1eddi d\u00f9ng (v\u00ed d\u1ee5 ng\u01b0\u1eddi d\u00f9ng web \u1edf Vi\u1ec7t Nam, nh\u01b0ng host thu\u00ea b\u00ean Hoa K\u1ef3, v\u00e0 b\u1ea1n nh\u1eadn th\u1ea5y t\u1ed1c \u0111\u1ed9 web kh\u00f4ng \u0111\u01b0\u1ee3c t\u1ed1t);<\/li><li>Trang web c\u1ee7a b\u1ea1n <strong>c\u00f3 l\u01b0\u1ee3ng truy c\u1eadp l\u1edbn<\/strong>\u00a0th\u01b0\u1eddng l\u00e0m qu\u00e1 t\u1ea3i hosting nh\u01b0ng b\u1ea1n l\u1ea1i ch\u01b0a c\u00f3 \u0111i\u1ec1u ki\u1ec7n n\u00e2ng c\u1ea5p \u0111\u1ec3 x\u1eed l\u00fd;<\/li><li><a href=\"https:\/\/kiencang.net\/ddos-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">Trang web c\u1ee7a b\u1ea1n <strong>b\u1ecb t\u1ea5n c\u00f4ng<\/strong>, th\u00ed d\u1ee5 nh\u01b0 DDoS<\/a> (h\u00e0ng ng\u00e0n, th\u1eadm ch\u00ed ch\u1ee5c ng\u00e0n truy c\u1eadp \u1ea3o \u0111\u1ed3ng th\u1eddi v\u00e0o website khi\u1ebfn n\u00f3 qu\u00e1 t\u1ea3i);<\/li><li>Trang web<strong> c\u00f3 t\u1ed1c \u0111\u1ed9 truy c\u1eadp th\u1ea5p do s\u1ef1 c\u1ed1 kh\u00f4ng th\u1ec3 kh\u1eafc ph\u1ee5c ngay \u0111\u01b0\u1ee3c<\/strong>, v\u00ed d\u1ee5 nh\u01b0 \u0111\u1ee9t c\u00e1p quang bi\u1ec3n, m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng m\u00e0 ch\u00fang ta g\u1eb7p kh\u00f4ng \u00edt l\u1ea7n trong nh\u1eefng n\u0103m qua.<\/li><\/ul>\n\n\n<p>V\u1eady th\u00ec so v\u1edbi ch\u1ec9 d\u00f9ng hosting th\u00f4ng th\u01b0\u1eddng, vi\u1ec7c d\u00f9ng th\u00eam Cloudflare c\u00f3 l\u1ee3i g\u00ec?<\/p>\n\n\n<ul><li>Cloudflare s\u1ebd gi\u00fap b\u1ea1n t\u0103ng t\u1ed1c website, v\u00ec b\u1ea3n th\u00e2n n\u00f3 v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 m\u1ed9t <a href=\"https:\/\/kiencang.net\/cdn-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">d\u1ecbch v\u1ee5 CDN (m\u1ea1ng m\u00e1y ch\u1ee7 ph\u00e2n t\u00e1n kh\u1eafp to\u00e0n c\u1ea7u)<\/a>, v\u00e0 Cloudflare s\u1ebd \u0111i\u1ec1u ti\u1ebft truy c\u1eadp v\u1ec1 m\u00e1y ch\u1ee7 g\u1ea7n nh\u1ea5t v\u1edbi ng\u01b0\u1eddi d\u00f9ng (xem <a href=\"https:\/\/kiencang.net\/tinh-nang-cdn-cua-cloudflare\/\" target=\"_blank\" rel=\"noreferrer noopener\">gi\u1edbi thi\u1ec7u c\u1ee7a Cloudflare v\u1ec1 t\u00ednh n\u0103ng CDN \u1edf \u0111\u00e2y<\/a>). Tin m\u1eebng cho ch\u00fang ta l\u00e0 h\u1ecd m\u1edbi b\u1ed5 sung <a href=\"https:\/\/blog.cloudflare.com\/ten-new-data-centers\/\" target=\"_blank\" rel=\"noreferrer noopener\">2 trung t\u00e2m d\u1eef li\u1ec7u \u1edf H\u00e0 N\u1ed9i v\u00e0 S\u00e0i G\u00f2n<\/a>, do v\u1eady ng\u01b0\u1eddi d\u00f9ng t\u1eeb Vi\u1ec7t Nam s\u1ebd c\u00f3 t\u1ed1c \u0111\u1ed9 truy c\u1eadp t\u1ed1t h\u01a1n. <strong>Tin s\u1ed1c<\/strong>: t\u00f4i v\u1eeba m\u1edbi bi\u1ebft \u0111\u01b0\u1ee3c l\u00e0 d\u00f9 \u0111\u1eb7t m\u00e1y ch\u1ee7 \u1edf Vi\u1ec7t Nam, h\u1ea7u h\u1ebft ng\u01b0\u1eddi d\u00f9ng \u1edf \u0111\u00e2y v\u1eabn ph\u1ea3i l\u1ea5y d\u1eef li\u1ec7u t\u1eeb b\u00ean ngo\u00e0i, th\u00f4ng tin chi ti\u1ebft b\u1ea1n tham kh\u1ea3o \u1edf <a href=\"https:\/\/datuan.dev\/server\/cloudflare-viet-nam-khong-nhanh\/\" target=\"_blank\" rel=\"noreferrer noopener\">b\u00e0i n\u00e0y<\/a>&#8211; c\u00e1i n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ng\u01b0\u1eddi d\u00f9ng mi\u1ec5n ph\u00ed h\u01a1n l\u00e0 tr\u1ea3 ph\u00ed;<\/li><li>M\u00e1y ch\u1ee7 c\u1ee7a Cloudflare r\u1ea5t l\u1edbn, \u0111i\u1ec1u \u0111\u00f3 gi\u00fap h\u1ecd duy tr\u00ec \u0111\u01b0\u1ee3c c\u1ea3 d\u1ecbch v\u1ee5 mi\u1ec5n ph\u00ed, l\u1eabn d\u1ecbch v\u1ee5 c\u00f3 ph\u00ed c\u00f3 gi\u00e1 t\u1ea7m trung l\u00e0 20 USD\/th\u00e1ng cho g\u00f3i Pro ngay c\u1ea3 v\u1edbi website c\u00f3 l\u01b0\u1ee3ng truy c\u1eadp cao;<\/li><li>M\u00e1y ch\u1ee7 c\u1ee7a Cloudflare \u0111\u1ee7 m\u1ea1nh v\u00e0 b\u1ea3o m\u1eadt \u0111\u1ec3 ch\u1ed1ng \u0111\u01b0\u1ee3c c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng v\u00e0 DDoS v\u1eeba ph\u1ea3i;<\/li><li>Cloudflare t\u00edch h\u1ee3p nhi\u1ec1u t\u00ednh n\u0103ng t\u0103ng t\u1ed1c d\u1ec5 d\u00f9ng v\u00e0o d\u1ecbch v\u1ee5 c\u1ee7a n\u00f3, \u0111i\u1ec1u \u0111\u00f3 gi\u00fap cho <strong>m\u1ed9t ng\u01b0\u1eddi b\u00ecnh th\u01b0\u1eddng kh\u00f4ng c\u1ea7n qu\u00e1 am hi\u1ec3u v\u1ec1 c\u00f4ng ngh\u1ec7 c\u0169ng c\u00f3 th\u1ec3 t\u1ef1 t\u0103ng t\u1ed1c \u0111\u01b0\u1ee3c trang web c\u1ee7a m\u00ecnh<\/strong> (r\u1ea5t quan tr\u1ecdng v\u00ec nhi\u1ec1u khi ch\u00fang ta \u0111\u1ee7 ti\u1ec1n mua d\u1ecbch v\u1ee5 nh\u01b0ng l\u1ea1i kh\u00f4ng c\u00f3 k\u1ef9 n\u0103ng ho\u1eb7c ng\u01b0\u1eddi n\u00e0o kh\u00e1c \u0111\u00e1ng tin c\u1eady gi\u00fap thi\u1ebft l\u1eadp tri\u1ec3n khai d\u1ecbch v\u1ee5).<\/li><\/ul>\n\n\n<p>M\u1ed9t \u0111i\u1ec3m \u0111\u00e1ng ch\u00fa \u00fd n\u1eefa: Cloudflare kh\u00f4ng b\u1ecb ph\u1ee5 thu\u1ed9c v\u00e0o h\u1ec7 qu\u1ea3n tr\u1ecb n\u1ed9i dung b\u1ea1n c\u00e0i tr\u00ean hosting l\u00e0 g\u00ec, do v\u1eady d\u00f9 b\u1ea1n c\u00f3 d\u00f9ng WordPress, Joomla, Drupal hay t\u1ef1 code l\u1ea5y th\u00ec n\u00f3 v\u1eabn gi\u00fap b\u1ea1n t\u0103ng t\u1ed1c \u0111\u01b0\u1ee3c. Xem <a href=\"https:\/\/kiencang.net\/toi-uu-hoa-web-cua-cloudflare\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e1c d\u1ecbch v\u1ee5 t\u1ed1i \u01b0u h\u00f3a web c\u1ee7a Cloudflare \u0111\u01b0\u1ee3c n\u00f3i c\u1ee5 th\u1ec3 h\u01a1n \u1edf \u0111\u00e2y<\/a>.<\/p>\n\n\n<p><strong>L\u01b0u \u00fd nh\u1ecf<\/strong>: \u0110\u1ec3 \u00e1p d\u1ee5ng \u0111\u1ea7y \u0111\u1ee7 nh\u1ea5t h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng Cloudflare trong b\u00e0i vi\u1ebft n\u00e0y b\u1ea1n c\u1ea7n c\u00f3 th\u1ebb VISA ho\u1eb7c t\u00e0i kho\u1ea3n Paypal \u0111\u1ec3 mua d\u1ecbch v\u1ee5 c\u1ee7a h\u1ecd. N\u1ebfu b\u1ea1n \u0111\u1ecbnh d\u00f9ng g\u00f3i mi\u1ec5n ph\u00ed th\u00ec kh\u00f4ng c\u1ea7n.<\/p>\n\n\n<p>B\u1ea3ng t\u00f3m t\u1eaft:<\/p>\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>\u0110\u1eb7c \u0111i\u1ec3m so s\u00e1nh<\/td><td><strong>Hosting \u0111\u01a1n thu\u1ea7n<\/strong><\/td><td><strong>Hosting + Cloudflare<\/strong><\/td><\/tr><tr><td><em>CDN t\u0103ng t\u1ed1c \u0111\u1ed9 truy c\u1eadp<\/em><\/td><td>Kh\u00f4ng<\/td><td>C\u00f3<\/td><\/tr><tr><td><em>Ch\u1ed1ng DDOS<\/em><\/td><td>H\u1ea7u nh\u01b0 kh\u00f4ng<\/td><td>C\u00f3<\/td><\/tr><tr><td><em>B\u1ea3o m\u1eadt<\/em><\/td><td>Trung b\u00ecnh \u0111\u1ebfn Kh\u00e1<\/td><td>T\u1ed1t<\/td><\/tr><tr><td><em>T\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh, gi\u1ea3m dung l\u01b0\u1ee3ng<\/em><\/td><td>Ph\u1ea3i c\u00e0i plugin<\/td><td>C\u00f3<\/td><\/tr><tr><td><em>T\u1ed1i \u01b0u h\u00f3a HTML\/CSS\/JS gi\u1ea3m dung l\u01b0\u1ee3ng<\/em><\/td><td>Ph\u1ea3i c\u00e0i plugin<\/td><td>C\u00f3<\/td><\/tr><tr><td><em>T\u1ea1o cache gi\u00fap t\u0103ng t\u1ed1c \u0111\u1ed9 duy\u1ec7t web<\/em><\/td><td>Ph\u1ea3i c\u00e0i plugin<\/td><td>C\u00f3<\/td><\/tr><tr><td><em>Lu\u00f4n lu\u00f4n tr\u1ef1c tuy\u1ebfn (r\u1ea5t quan tr\u1ecdng v\u1edbi trang th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed)<\/em><\/td><td>99,9%<\/td><td>G\u1ea7n nh\u01b0 tuy\u1ec7t \u0111\u1ed1i 100%<\/td><\/tr><tr><td><em>\u0110\u1ecbnh tuy\u1ebfn th\u00f4ng minh, gi\u1ea3m l\u1ed7i k\u1ebft n\u1ed1i (r\u1ea5t quan tr\u1ecdng v\u1edbi trang th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed)<\/em><\/td><td>Kh\u00f4ng<\/td><td>C\u00f3<\/td><\/tr><tr><td><em>Kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp l\u1edbn \u0111\u1ed9t bi\u1ebfn (v\u00ed d\u1ee5 trong ng\u00e0y khuy\u1ebfn m\u1ea1i, l\u01b0\u1ee3ng truy c\u1eadp c\u00f3 th\u1ec3 g\u1ea5p 10 cho \u0111\u1ebfn 100 ng\u00e0y th\u01b0\u1eddng)<\/em><\/td><td>Trung b\u00ecnh<\/td><td>T\u1ed1t<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<p><strong>L\u01b0u \u00fd<\/strong>: D\u00f9 Cloudflare r\u1ea5t tuy\u1ec7t v\u1eddi, <em>n\u00f3 v\u1eabn kh\u00f4ng ph\u1ea3i l\u00e0 d\u1ecbch v\u1ee5 hosting<\/em>, do v\u1eady b\u1ea1n kh\u00f4ng th\u1ec3 ng\u1eebng thu\u00ea hosting r\u1ed3i chuy\u1ec3n h\u1ebft web sang Cloudflare. \u0110\u1ec3 website ho\u1ea1t \u0111\u1ed9ng t\u1ed1t b\u1ea1n v\u1eabn ph\u1ea3i <em>thu\u00ea hosting k\u00e8m theo Cloudflare<\/em>, v\u00e0 Cloudflare s\u1ebd gi\u00fap kh\u1eafc ph\u1ee5c nh\u1eefng h\u1ea1n ch\u1ebf hosting b\u1ea1n \u0111ang d\u00f9ng.<\/p>\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_60 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\" role=\"button\"><label for=\"item-6577d61baca28\" ><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-6577d61baca28\"  type=\"checkbox\" id=\"item-6577d61baca28\"><\/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\/huong-dan-su-dung-cloudflare\/#Vai_con_so_ve_Cloudflare\" title=\"V\u00e0i con s\u1ed1 v\u1ec1 Cloudflare\">V\u00e0i con s\u1ed1 v\u1ec1 Cloudflare<\/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\/huong-dan-su-dung-cloudflare\/#So_sanh_goi_Free_va_Pro_cua_Cloudflare\" title=\"So s\u00e1nh g\u00f3i Free v\u00e0 Pro c\u1ee7a Cloudflare\">So s\u00e1nh g\u00f3i Free v\u00e0 Pro c\u1ee7a Cloudflare<\/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\/huong-dan-su-dung-cloudflare\/#SEO_Cloudflare\" title=\"SEO &amp; Cloudflare\">SEO &amp; Cloudflare<\/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\/huong-dan-su-dung-cloudflare\/#Huong_dan_cai_dat\" title=\"H\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t\">H\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t<\/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\/huong-dan-su-dung-cloudflare\/#Tuy_chinh_sau_cac_tinh_nang\" title=\"T\u00f9y ch\u1ec9nh s\u00e2u c\u00e1c t\u00ednh n\u0103ng\">T\u00f9y ch\u1ec9nh s\u00e2u c\u00e1c t\u00ednh n\u0103ng<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Vai_con_so_ve_Cloudflare\"><\/span>V\u00e0i con s\u1ed1 v\u1ec1 Cloudflare<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>\u0110\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 h\u00ecnh dung v\u1ec1 \u0111\u1ed9 l\u1edbn c\u1ee7a Cloudflare d\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 th\u1ed1ng k\u00ea:<\/p>\n\n\n<ul><li>L\u01b0\u1ee3ng traffic m\u00e0 Cloudflare ph\u1ee5c v\u1ee5 l\u1edbn h\u01a1n c\u1ea3 Twitter, Amazon, Apple, Instagram, Bing, &amp; Wikipedia k\u1ebft h\u1ee3p l\u1ea1i;<\/li><li>H\u1ecd ph\u1ee5c v\u1ee5 h\u01a1n 200 tri\u1ec7u ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp web;<\/li><li>M\u1ed7i ng\u00e0y c\u00f3 h\u01a1n 10 ng\u00e0n kh\u00e1ch h\u00e0ng m\u1edbi \u0111\u0103ng k\u00fd d\u1ecbch v\u1ee5;<\/li><li>C\u00f3 h\u01a1n 165 trung t\u00e2m d\u1eef li\u1ec7u tr\u00ean to\u00e0n th\u1ebf gi\u1edbi \u1edf 75 qu\u1ed1c gia, trong \u0111\u00f3 c\u00f3 Vi\u1ec7t Nam v\u00e0 nhi\u1ec1u qu\u1ed1c gia l\u00e2n c\u1eadn (HongKong, Trung Qu\u1ed1c, Nh\u1eadt, Singapore, v\u00e2n v\u00e2n);<\/li><li>H\u1ee3p t\u00e1c v\u1edbi r\u1ea5t nhi\u1ec1u c\u00f4ng ty hosting nh\u01b0 Dreamhost, Bluehost, Siteground, v\u00e2n v\u00e2n.<\/li><\/ul>\n\n\n<p>C\u1ed9ng \u0111\u1ed3ng c\u00f4ng ngh\u1ec7 c\u0169ng \u0111\u00e1nh gi\u00e1 Cloudflare r\u1ea5t cao, ch\u1eb3ng h\u1ea1n <a href=\"https:\/\/www.g2crowd.com\/categories\/content-delivery-network-cdn\" target=\"_blank\" rel=\"noreferrer noopener\">trang \u0111\u00e1nh gi\u00e1 d\u1ecbch v\u1ee5 CDN c\u1ee7a G2Crowd<\/a>&nbsp;x\u1ebfp Cloudflare v\u00e0o nh\u00f3m d\u1eabn \u0111\u1ea7u v\u1ec1 th\u1ecb ph\u1ea7n c\u0169ng nh\u01b0 s\u1ef1 h\u00e0i l\u00f2ng c\u1ee7a kh\u00e1ch h\u00e0ng:<\/p>\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/01\/danh-gia-cloudflare.png\" alt=\"\u0110\u00e1nh gi\u00e1 s\u1ef1 h\u00e0i l\u00f2ng c\u1ee7a kh\u00e1ch h\u00e0ng v\u1edbi CloudFlare\" class=\"wp-image-11290\"\/><\/figure><\/div>\n\n\n<ul><li>Tr\u1ee5c ho\u00e0nh (n\u1eb1m ngang) ph\u1ea7n Satisfaction l\u00e0 m\u1ee9c \u0111\u1ed9 h\u00e0i l\u00f2ng d\u1ef1a tr\u00ean \u0111\u00e1nh gi\u00e1 c\u1ee7a user, c\u00e0ng \u1edf b\u00ean ph\u1ea3i th\u00ec c\u00e0ng t\u1ed1t.<\/li><li>Tr\u1ee5c tung (th\u1eb3ng \u0111\u1ee9ng) ph\u1ea7n Market Presence l\u00e0 m\u1ee9c \u0111\u1ed9 hi\u1ec7n di\u1ec7n tr\u00ean th\u1ecb tr\u01b0\u1eddng (d\u1ea1ng th\u1ecb ph\u1ea7n), c\u00e0ng \u1edf tr\u00ean cao th\u00ec th\u1ecb ph\u1ea7n c\u00e0ng l\u1edbn.<\/li><\/ul>\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"So_sanh_goi_Free_va_Pro_cua_Cloudflare\"><\/span>So s\u00e1nh g\u00f3i Free v\u00e0 Pro c\u1ee7a Cloudflare<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>\u0110\u1eb7c \u0111i\u1ec3m so s\u00e1nh<\/td><td><strong>Free<\/strong><\/td><td><strong>Pro (20 USD\/th\u00e1ng)<\/strong><\/td><\/tr><tr><td><em><a href=\"https:\/\/kiencang.net\/dinh-tuyen-argo-cua-cloudflare\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0110\u1ecbnh tuy\u1ebfn th\u00f4ng minh Argo<\/a> (t\u00f9y ch\u1ecdn, t\u1ee9c l\u00e0 n\u1ebfu mu\u1ed1n d\u00f9ng Cloudflare ho\u00e0n to\u00e0n mi\u1ec5n ph\u00ed b\u1ea1n c\u00f3 th\u1ec3 b\u1ecf c\u00e1i n\u00e0y)<\/em><\/td><td>Ph\u00ed c\u1ed1 \u0111\u1ecbnh 5 USD\/th\u00e1ng, 1GB \u0111\u1ea7u mi\u1ec5n ph\u00ed, nh\u1eefng d\u1eef li\u1ec7u ti\u1ebfp c\u00f3 gi\u00e1 0,1 USD\/GB<\/td><td>Ph\u00ed c\u1ed1 \u0111\u1ecbnh 5 USD\/th\u00e1ng, 1GB \u0111\u1ea7u mi\u1ec5n ph\u00ed, nh\u1eefng d\u1eef li\u1ec7u ti\u1ebfp c\u00f3 gi\u00e1 0,1 USD\/GB<\/td><\/tr><tr><td><em>CDN<\/em><\/td><td>C\u00f3<\/td><td>C\u00f3<\/td><\/tr><tr><td><em>T\u1ed1i \u01b0u h\u00f3a t\u1ea3i JS<\/em><\/td><td>C\u00f3<\/td><td>C\u00f3<\/td><\/tr><tr><td><em><strong>T\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh (chuy\u1ec3n sang <a href=\"https:\/\/kiencang.net\/dinh-dang-anh-webp\/\" target=\"_blank\" rel=\"noreferrer noopener\">WebP<\/a>)<\/strong><\/em><\/td><td><strong>Kh\u00f4ng<\/strong><\/td><td><strong>C\u00f3<\/strong><\/td><\/tr><tr><td><em>Ch\u1ed1ng DDOS<\/em><\/td><td>C\u00f3<\/td><td>C\u00f3<\/td><\/tr><tr><td><em><strong>SSL<\/strong><\/em><\/td><td><strong>H\u1ea7u h\u1ebft c\u00e1c tr\u00ecnh duy\u1ec7t hi\u1ec7n \u0111\u1ea1i<\/strong><\/td><td><strong>T\u1ea5t c\u1ea3 c\u00e1c tr\u00ecnh duy\u1ec7t<\/strong><\/td><\/tr><tr><td><em><strong>T\u01b0\u1eddng l\u1eeda<\/strong><\/em><\/td><td><strong>Kh\u00f4ng<\/strong><\/td><td><strong>C\u00f3<\/strong><\/td><\/tr><tr><td><em>Online ngay c\u1ea3 khi m\u00e1y ch\u1ee7 g\u1ed1c c\u00f3 v\u1ea5n \u0111\u1ec1<\/em><\/td><td>C\u00f3<\/td><td>C\u00f3<\/td><\/tr><tr><td><em><strong>T\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh cho k\u1ebft n\u1ed1i internet ch\u1eadm tr\u00ean di \u0111\u1ed9ng (Mirage Image Optimization)<\/strong><\/em><\/td><td><strong>Kh\u00f4ng<\/strong><\/td><td><strong>C\u00f3<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<p>V\u1ec1 c\u01a1 b\u1ea3n g\u00f3i Pro h\u01a1n g\u00f3i mi\u1ec5n ph\u00ed \u1edf ch\u1ee9c n\u0103ng t\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh, kh\u1ea3 n\u0103ng t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt. C\u00e1c ch\u1ee9c n\u0103ng b\u1ed5 sung n\u00e0y c\u00f3 th\u1ec3 kh\u00f4ng nhi\u1ec1u v\u1edbi c\u00e1i gi\u00e1 20 USD ph\u1ea3i b\u1ecf th\u00eam, nh\u01b0ng t\u00f4i v\u1eabn khuy\u00ean l\u00e0 n\u1ebfu c\u00e1c b\u1ea1n l\u00e0m vi\u1ec7c v\u1edbi website quan tr\u1ecdng th\u00ec v\u1eabn n\u00ean d\u00f9ng b\u1ea3n c\u00f3 ph\u00ed, v\u00ec d\u00f9 g\u00ec th\u00ec g\u00ec, theo t\u00f4i ph\u1ecfng \u0111o\u00e1n, c\u00e1c <a href=\"https:\/\/kiencang.net\/freemium-ranh-gioi\/\" target=\"_blank\" rel=\"noreferrer noopener\">n\u1ec1n t\u1ea3ng d\u00e0nh cho g\u00f3i c\u00f3 ph\u00ed v\u1eabn t\u1ed1t h\u01a1n<\/a>.<\/p>\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"SEO_Cloudflare\"><\/span>SEO &amp; Cloudflare<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>Cloudflare gi\u00fap b\u1ea1n t\u0103ng t\u1ed1c \u0111\u1ed9 t\u1ea3i trang web v\u00e0 duy tr\u00ec s\u1ef1 \u1ed5n \u0111\u1ecbnh li\u00ean t\u1ee5c c\u1ee7a website, do v\u1eady th\u00f4ng th\u01b0\u1eddng n\u00f3 s\u1ebd c\u1ea3i thi\u1ec7n SEO. T\u1eebng c\u00f3 l\u1eddi \u0111\u1ed3n \u0111o\u00e1n r\u1eb1ng vi\u1ec7c s\u1eed d\u1ee5ng <a href=\"https:\/\/serverguy.com\/case-study\/cloudflare-seo\/\" target=\"_blank\" rel=\"noreferrer noopener\">Cloudflare c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c \u0111\u1ebfn SEO<\/a>, s\u1ef1 th\u1ef1c th\u00ec \u0111\u00e3 t\u1eebng c\u00f3 tr\u01b0\u1eddng h\u1ee3p nh\u01b0 v\u1eady \u0111\u01b0\u1ee3c ghi nh\u1eadn, tuy nhi\u00ean \u0111\u00f3 ch\u1ec9 l\u00e0 tr\u01b0\u1eddng h\u1ee3p hi\u1ebfm hoi, c\u00f2n h\u1ea7u h\u1ebft kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng g\u00ec, n\u1ebfu kh\u00f4ng mu\u1ed1n n\u00f3i l\u00e0 c\u00f3 t\u00e1c \u0111\u1ed9ng t\u00edch c\u1ef1c \u0111\u1ebfn SEO. V\u00e0 \u0111\u1ea5y l\u00e0 l\u00fd do t\u00f4i hi\u1ec7n \u0111ang d\u00f9ng Cloudflare cho m\u1ed9t s\u1ed1 website.<\/p>\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Huong_dan_cai_dat\"><\/span>H\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<ol><li>B\u1ea1n v\u00e0o trang ch\u1ee7 c\u1ee7a\u00a0<a href=\"https:\/\/www.cloudflare.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Cloudflare<\/a> ti\u1ebfn h\u00e0nh \u0111\u0103ng k\u00fd t\u1ea1o t\u00e0i kho\u1ea3n.<\/li><li>Nh\u1ea5n v\u00e0o <strong>Add a site<\/strong> \u0111\u1ec3 th\u00eam trang web c\u1ee7a b\u1ea1n.<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"200\" class=\"aligncenter wp-image-11259 size-full\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/01\/them-trang-web.png\" alt=\"th\u00eam trang web v\u00e0o CloudFlare\"><\/li><li>Nh\u1eadp t\u00ean trang web c\u1ee7a b\u1ea1n v\u00e0o, nh\u1edb c\u00f3 c\u1ea3 giao th\u1ee9c (http ho\u1eb7c https t\u00f9y v\u00e0o trang c\u1ee7a b\u1ea1n). Sau \u0111\u00f3 nh\u1ea5n Add Site<img loading=\"lazy\" decoding=\"async\" width=\"384\" height=\"284\" class=\"aligncenter wp-image-11260 size-full\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/01\/nhap-trang-web.png\" alt=\"nh\u1eadp trang web c\u1ee7a b\u1ea1n v\u00e0o\"><\/li><li>B\u1ea1n nh\u1ea5n Next, \u0111o\u1ea1n ti\u1ebfp sau b\u1ea1n s\u1ebd ch\u1ecdn d\u1ecbch v\u1ee5 mu\u1ed1n d\u00f9ng<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"451\" class=\"size-full wp-image-11261 aligncenter\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/01\/thay-DNS.png\" alt=\"thay DNS\"><\/li><li>B\u1ea1n ch\u1ecdn d\u1ecbch v\u1ee5 t\u01b0\u01a1ng \u1ee9ng, trong v\u00ed d\u1ee5 n\u00e0y t\u00f4i d\u00f9ng g\u00f3i Pro, \u0111\u00e2y l\u00e0 g\u00f3i c\u00f3 gi\u00e1 th\u00e0nh v\u1eeba ph\u1ea3i (20 USD\/th\u00e1ng) v\u00e0 d\u0129 nhi\u00ean c\u00f3 nhi\u1ec1u t\u00ednh n\u0103ng m\u1ea1nh m\u1ebd h\u01a1n g\u00f3i mi\u1ec5n ph\u00ed<img loading=\"lazy\" decoding=\"async\" width=\"1094\" height=\"466\" class=\"aligncenter wp-image-11262 size-full\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/01\/chon-dich-vu-tuong-ung.png\" alt=\"ch\u1ecdn d\u1ecbch v\u1ee5 CloudFlare t\u01b0\u01a1ng \u1ee9ng\"><\/li><li>X\u00e1c nh\u1eadn d\u1ecbch v\u1ee5 mu\u1ed1n mua<img loading=\"lazy\" decoding=\"async\" width=\"851\" height=\"340\" class=\"alignnone size-full wp-image-11263\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/01\/xac-nhan.png\" alt=\"\"><\/li><li>Sau \u0111\u00f3 b\u1ea1n s\u1ebd th\u1ea5y m\u1ed9t th\u00f4ng b\u00e1o c\u00f3 t\u00ednh k\u1ef9 thu\u1eadt nh\u01b0 th\u1ebf n\u00e0y, nh\u01b0ng b\u1ea1n \u0111\u1eebng lo, v\u00e0 c\u0169ng kh\u00f4ng c\u1ea7n quan t\u00e2m qu\u00e1, ch\u1ec9 vi\u1ec7c k\u00e9o xu\u1ed1ng d\u01b0\u1edbi v\u00e0 nh\u1ea5n Continue<img loading=\"lazy\" decoding=\"async\" width=\"959\" height=\"357\" class=\"aligncenter wp-image-11264 size-full\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/01\/dia-chi-IP.png\" alt=\"\u0111\u1ecba ch\u1ec9 IP c\u1ee7a website do CloudFlare qu\u1ea3n l\u00fd\"><\/li><li>Ti\u1ebfp n\u1eefa Cloudflare th\u00f4ng b\u00e1o b\u1ea1n c\u1ea7n ph\u1ea3i chuy\u1ec3n NameServer c\u0169 sang NameServer c\u1ee7a Cloudflare. C\u00e1i b\u00ean tay tr\u00e1i l\u00e0 nameserver c\u0169 c\u1ee7a t\u00f4i (c\u1ee7a b\u1ea1n d\u0129 nhi\u00ean s\u1ebd kh\u00e1c), c\u00f2n c\u00e1i b\u00ean ph\u1ea3i l\u00e0 nameserver m\u1edbi t\u00f4i c\u1ea7n chuy\u1ec3n sang. Nh\u1ea5n v\u00e0o copy \u0111\u1ec3 sao ch\u00e9p n\u00f3.<img loading=\"lazy\" decoding=\"async\" width=\"899\" height=\"529\" class=\"aligncenter wp-image-11265 size-full\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/01\/thay-doi-nameserver.png\" alt=\"thay \u0111\u1ed5i nameserver c\u0169 sang nameserver c\u1ee7a CloudFlare\"><\/li><\/ol>\n\n\n<p>Ph\u1ea7n thay \u0111\u1ed5i nameserver c\u00f3 l\u1ebd l\u00e0 ph\u1ea7n ph\u1ee9c t\u1ea1p nh\u1ea5t v\u1edbi nh\u1eefng ng\u01b0\u1eddi kh\u00f4ng chuy\u00ean, nh\u01b0ng th\u1ef1c ra n\u00f3 c\u0169ng kh\u00f4ng kh\u00f3 nh\u01b0 b\u1ea1n ngh\u0129 \u0111\u00e2u. \u0110\u1ec3 thay \u0111\u1ed5i \u0111\u01b0\u1ee3c nameserver b\u1ea1n c\u1ea7n v\u00e0o khu v\u1ef1c qu\u1ea3n tr\u1ecb t\u00ean mi\u1ec1n. V\u00ec trang web c\u1ee7a t\u00f4i d\u00f9ng Godaddy, t\u00f4i s\u1ebd s\u1eed d\u1ee5ng n\u00f3 l\u00e0m v\u00ed d\u1ee5 (c\u00e1c nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n kh\u00e1c c\u0169ng g\u1ea7n t\u01b0\u01a1ng t\u1ef1).<\/p>\n\n\n<p>Tr\u01b0\u1edbc h\u1ebft b\u1ea1n \u0111\u0103ng nh\u1eadp v\u00e0o trang qu\u1ea3n tr\u1ecb t\u00ean mi\u1ec1n c\u1ee7a m\u00ecnh, r\u1ed3i sau \u0111\u00f3 v\u00e0o ph\u1ea7n nameserver, \u0111\u00e2y l\u00e0 ph\u1ea7n cho trang kiencang.net:<\/p>\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/01\/nameserver-cu.png\" alt=\"namesever c\u0169\" class=\"wp-image-11266\"\/><\/figure><\/div>\n\n\n<p>Sau \u0111\u00f3 copy c\u00e1c nameserver m\u1edbi \u0111\u1ec3 thay th\u1ebf c\u00e1i c\u0169, trong v\u00ed d\u1ee5 tr\u00ean l\u00e0&nbsp;<em>hugh.ns.cloudflare.com<\/em> v\u00e0&nbsp;<em>jessica.ns.cloudflare.com<\/em><\/p>\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/01\/thay-bang-nameserver-moi.png\" alt=\"thay b\u1eb1ng nameserver m\u1edbi\" class=\"wp-image-11267\"\/><\/figure><\/div>\n\n\n<p>N\u1ebfu nhanh kho\u1ea3ng 5 ph\u00fat, ch\u1eadm th\u00ec v\u00e0i ti\u1ebfng, nameserver s\u1ebd \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt v\u00e0 b\u1ea1n s\u1ebd th\u1ea5y Cloudflare th\u00f4ng b\u00e1o l\u00e0 \u0111\u00e3 c\u1eadp nh\u1eadt th\u00e0nh c\u00f4ng.<\/p>\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/01\/DNS-cloudflare-thanh-cong.png\" alt=\"c\u1eadp nh\u1eadt DNS cho CloudFlare th\u00e0nh c\u00f4ng\" class=\"wp-image-11301\"\/><\/figure>\n\n\n<p>\u1ede tr\u00ean ch\u1ec9 l\u00e0 c\u00e1c b\u01b0\u1edbc c\u00e0i \u0111\u1eb7t c\u01a1 b\u1ea3n. \u0110\u1ec3 t\u1ed1i \u01b0u h\u01a1n b\u1ea1n c\u1ea7n t\u00f9y ch\u1ec9nh c\u00e1c t\u00ednh n\u0103ng b\u00ean trong c\u1ee7a Cloudflare.<\/p>\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tuy_chinh_sau_cac_tinh_nang\"><\/span>T\u00f9y ch\u1ec9nh s\u00e2u c\u00e1c t\u00ednh n\u0103ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>C\u00e1c t\u00ednh n\u0103ng chuy\u00ean s\u00e2u c\u1ee7a Cloudflare n\u1eb1m \u1edf ph\u1ea7n tr\u00ean \u0111\u1ea7u c\u1ee7a trang:<\/p>\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/01\/cac-tinh-nang-chuyen-sau.png\" alt=\"c\u00e1c t\u00ednh n\u0103ng chuy\u00ean s\u00e2u c\u1ee7a CloudFlare\" class=\"wp-image-11268\"\/><\/figure><\/div>\n\n\n<p>T\u00f4i s\u1ebd \u0111i th\u1eb3ng v\u00e0o c\u00e1c m\u1ee5c tr\u1ecdng t\u00e2m.<\/p>\n\n\n<h3 class=\"wp-block-heading\">Speed<\/h3>\n\n\n<p>\u0110\u00e2y l\u00e0 ph\u1ea7n d\u00f9ng \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 c\u1ee7a web, b\u1ea1n ch\u00fa \u00fd \u0111\u1ebfn c\u00e1c l\u1ef1a ch\u1ecdn sau:<\/p>\n\n\n<ul><li><strong>Auto minify<\/strong>: d\u00f9ng \u0111\u1ec3 n\u00e9n c\u00e1c d\u1eef li\u1ec7u HTML, CSS v\u00e0 JS, l\u1eddi khuy\u00ean c\u1ee7a t\u00f4i l\u00e0 n\u00ean tick ch\u1ecdn. B\u00ecnh th\u01b0\u1eddng n\u1ebfu d\u00f9ng WordPress, t\u00f4i hay s\u1eed d\u1ee5ng <a href=\"https:\/\/kiencang.net\/plugin-autoptimize\/\">plugin Autoptimize<\/a> ho\u1eb7c <a href=\"https:\/\/kiencang.net\/category\/cache\/\" target=\"_blank\" rel=\"noreferrer noopener\">plugin cache<\/a> \u0111\u1ec3 th\u1ef1c hi\u1ec7n t\u00ednh n\u0103ng n\u00e0y<img loading=\"lazy\" decoding=\"async\" width=\"901\" height=\"158\" class=\"size-full wp-image-11269 aligncenter\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/01\/nen-html-css-js.png\" alt=\"n\u00e9n HTML CSS v\u00e0 JS\"><\/li><li><strong>Polish<\/strong>: d\u00f9ng \u0111\u1ec3 n\u00e9n \u1ea3nh, c\u00e1c website \u00edt \u1ea3nh c\u00f3 th\u1ec3 kh\u00f4ng c\u1ea7n, nh\u01b0ng c\u00e1c website c\u00f3 kha kh\u00e1 \u1ea3nh th\u00ec r\u1ea5t n\u00ean, n\u00f3 s\u1ebd ti\u1ebft ki\u1ec7m t\u01b0\u01a1ng \u0111\u1ed1i l\u1edbn dung l\u01b0\u1ee3ng \u1ea3nh, th\u00f4ng qua <a href=\"https:\/\/kiencang.net\/dinh-dang-anh-webp\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0111\u1ecbnh d\u1ea1ng \u1ea3nh m\u1edbi l\u00e0 WebP<\/a> v\u00e0 kh\u1ea3 n\u0103ng t\u1ed1i \u01b0u r\u1ea5t t\u1ed1t \u0111\u1ed9 r\u1ed9ng theo k\u00edch th\u01b0\u1edbc thi\u1ebft b\u1ecb. B\u00ecnh th\u01b0\u1eddng n\u1ebfu d\u00f9ng WordPress, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng <a href=\"https:\/\/kiencang.net\/plugin-ewww-image-optimizer\/\" target=\"_blank\" rel=\"noreferrer noopener\">plugin EWWW<\/a> \u0111\u1ec3 chuy\u1ec3n \u1ea3nh PNG, JPG sang WebP, tuy nhi\u00ean thao t\u00e1c c\u0169ng kh\u00f4ng qu\u00e1 \u0111\u01a1n gi\u1ea3n, v\u1edbi nhi\u1ec1u \u0111o\u1ea1n m\u00e3 l\u1eb1ng nh\u1eb1ng. V\u00e0 \u0111\u00e2y ch\u00ednh l\u00e0 m\u1ed9t l\u1ee3i \u0111i\u1ec3m c\u1ee7a Cloudflare, n\u00f3 gi\u00fap b\u1ea1n c\u00f3 \u0111\u01b0\u1ee3c t\u00ednh n\u0103ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng th\u00f4ng qua ch\u1ec9 m\u1ed9t thao t\u00e1c n\u00fat b\u1ea5m. L\u1eddi khuy\u00ean c\u1ee7a t\u00f4i \u1edf ph\u1ea7n n\u00e0y l\u00e0 b\u1ea1n n\u00ean ch\u1ecdn Lossless (<a href=\"https:\/\/kiencang.net\/cac-ky-thuat-nen-anh-webp\/\" target=\"_blank\" rel=\"noreferrer noopener\">n\u00e9n kh\u00f4ng m\u1ea5t ch\u1ea5t l\u01b0\u1ee3ng<\/a>) \u0111\u1ec3 \u1ea3nh n\u00e9n v\u1eabn gi\u1eef nguy\u00ean \u0111\u01b0\u1ee3c ch\u1ea5t l\u01b0\u1ee3ng cao nh\u1ea5t c\u00f3 th\u1ec3<img loading=\"lazy\" decoding=\"async\" width=\"972\" height=\"188\" class=\"size-full wp-image-11270 aligncenter\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/01\/nen-anh-webp.png\" alt=\"n\u00e9n \u1ea3nh \u0111\u1ecbnh d\u1ea1ng webp\"><\/li><li>C\u00e1c l\u1ef1a ch\u1ecdn kh\u00e1c. <a href=\"https:\/\/kiencang.net\/nen-brotli-la-gi\/\"><strong>Brotli<\/strong> l\u00e0 t\u00ednh n\u0103ng gi\u00fap b\u1ea1n t\u0103ng t\u1ed1c cho website s\u1eed d\u1ee5ng https<\/a>, l\u1eddi khuy\u00ean l\u00e0 b\u1ea1n n\u00ean b\u1eadt (\u0111\u1ec3 On nh\u01b0 h\u00ecnh). <strong>Mirage<\/strong> l\u00e0 t\u00ednh n\u0103ng gi\u00fap b\u1ea1n t\u0103ng t\u1ed1c \u0111\u1ed9 tr\u00ean mobile c\u00f3 k\u1ebft n\u1ed1i internet ch\u1eadm, b\u1ea1n c\u0169ng n\u00ean \u0111\u1ec3 On. <strong>Rocket Loader<\/strong> d\u00f9ng \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 t\u1ea3i Javascript, b\u1ea1n c\u0169ng n\u00ean ch\u1ecdn n\u1ed1t<img loading=\"lazy\" decoding=\"async\" width=\"928\" height=\"554\" class=\"size-full wp-image-11271 aligncenter\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/01\/tang-toc-lien-hop.png\" alt=\"c\u00e1c l\u1ef1a ch\u1ecdn t\u0103ng t\u1ed1c li\u00ean h\u1ee3p\"><\/li><\/ul>\n\n\n<h3 class=\"wp-block-heading\">Caching<\/h3>\n\n\n<p>\u0110\u00e2y l\u00e0 ph\u1ea7n d\u00f9ng \u0111\u1ec3 t\u00f9y ch\u1ec9nh nh\u1eefng th\u1ee9 li\u00ean quan \u0111\u1ebfn b\u1ed9 nh\u1edb \u0111\u1ec7m (cache). V\u1eady b\u1ed9 nh\u1edb \u0111\u1ec7m l\u00e0 g\u00ec? \u0110\u00e2y l\u00e0 c\u00e1ch Cloudflare (c\u0169ng nh\u01b0 nhi\u1ec1u c\u00f4ng c\u1ee5 t\u0103ng t\u1ed1c kh\u00e1c) d\u00f9ng \u0111\u1ec3 t\u0103ng t\u1ed1c t\u1ea3i website. Cloudflare t\u1ea1o ra m\u1ed9t b\u1ea3n sao l\u01b0u trang web c\u1ee7a b\u1ea1n tr\u00ean m\u00e1y ch\u1ee7 c\u1ee7a n\u00f3, b\u1ea3n sao l\u01b0u n\u00e0y th\u01b0\u1eddng l\u00e0 nhanh h\u01a1n b\u1ea3n g\u1ed1c \u0111\u1eb7t t\u1ea1i hosting, tuy nhi\u00ean khi b\u1ea1n c\u1eadp nh\u1eadt giao di\u1ec7n th\u00ec c\u00f3 kh\u1ea3 n\u0103ng b\u1ea3n sao l\u01b0u v\u1eabn ch\u01b0a c\u1eadp nh\u1eadt, \u0111\u00e2y l\u00e0 l\u00fac b\u1ea1n c\u1ea7n v\u00e0o ph\u1ea7n n\u00e0y \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 m\u1ecdi th\u1ee9 \u0111\u01b0\u1ee3c \u0111\u1ed3ng b\u1ed9 v\u1edbi nhau. \u0110i\u1ec1u th\u00fa v\u1ecb l\u00e0 Cloudflare kh\u00f4ng t\u1ea1o cache cho text, do v\u1eady n\u1ebfu b\u1ea1n ch\u1ec9 c\u1eadp nh\u1eadt v\u0103n b\u1ea3n, \u0111\u0103ng b\u00e0i vi\u1ebft m\u1edbi th\u00ec kh\u00f4ng c\u1ea7n x\u00f3a cache c\u0169.<\/p>\n\n\n<ul><li>N\u1ebfu b\u1ea1n mu\u1ed1n x\u00f3a b\u1ed9 nh\u1edb \u0111\u1ec7m th\u00ec v\u00e0o ph\u1ea7n<strong>&nbsp;Purge Cache<\/strong>, \u0111\u1ec3 x\u00f3a m\u1ed9t trang c\u1ee5 th\u1ec3 n\u00e0o \u0111\u00f3 b\u1ea1n m\u1edbi c\u1eadp nh\u1eadt th\u00ec nh\u1ea5n v\u00e0o Custom Purge v\u00e0 paste v\u00e0o \u0111\u1ea5y \u0111\u01b0\u1eddng link c\u1ee5 th\u1ec3, c\u00f2n n\u1ebfu mu\u1ed1n x\u00f3a cache c\u1ee7a to\u00e0n b\u1ed9 trang th\u00ec nh\u1ea5n v\u00e0o Purge Everything<img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"168\" class=\"alignnone size-full wp-image-11273\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/01\/xoa-cache.png\" alt=\"x\u00f3a cache\"><\/li><li><strong>Caching level<\/strong> b\u1ea1n n\u00ean \u0111\u1ec3 nh\u01b0 m\u1eb7c \u0111\u1ecbnh kh\u00f4ng n\u00ean can thi\u1ec7p (Standard);<\/li><li><strong>Browser Cache Expiration<\/strong>&nbsp;l\u00e0 th\u1eddi gian d\u00e0nh cho vi\u1ec7c thi\u1ebft l\u1eadp b\u1ed9 nh\u1edb cache cho tr\u00ecnh duy\u1ec7t. M\u1eb7c \u0111\u1ecbnh l\u00e0 4 ti\u1ebfng, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ec3 l\u00ean 1 &#8211; 365 ng\u00e0y n\u1ebfu mu\u1ed1n. \u0110\u1ec3 30 ng\u00e0y c\u00f3 l\u1ebd l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p<\/li><li><strong>Always Online\u2122&nbsp;<\/strong>b\u1ea1n n\u00ean \u0111\u1ec3 On, \u0111\u00e2y l\u00e0 t\u00ednh n\u0103ng gi\u00fap website c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c duy tr\u00ec ngay c\u1ea3 khi m\u00e1y ch\u1ee7 g\u1ed1c g\u1eb7p v\u1ea5n \u0111\u1ec1. M\u1ed9t t\u00ednh n\u0103ng r\u1ea5t \u0111\u00e1ng \u0111\u1ed3ng ti\u1ec1n b\u00e1t g\u1ea1o.<\/li><\/ul>\n\n\n<h3 class=\"wp-block-heading\">Argo<\/h3>\n\n\n<p><a href=\"https:\/\/kiencang.net\/dinh-tuyen-argo-cua-cloudflare\/\" target=\"_blank\" rel=\"noreferrer noopener\">Argo<\/a> l\u00e0 t\u00ednh n\u0103ng c\u00f3 ph\u00ed b\u1ed5 sung (t\u00ednh th\u00eam ti\u1ec1n ngo\u00e0i ph\u00ed h\u00e0ng th\u00e1ng c\u1ee7a g\u00f3i Pro l\u00e0 20 USD). C\u00f3 t\u00e1c d\u1ee5ng gi\u00fap gi\u1ea3m \u0111\u1ed9 tr\u1ec5 Internet (35% t\u00ednh trung b\u00ecnh) v\u00e0 l\u1ed7i k\u1ebft n\u1ed1i 27% (t\u00ednh trung b\u00ecnh).<\/p>\n\n\n<p>Ph\u00ed h\u00e0ng th\u00e1ng cho ri\u00eang t\u00ednh n\u0103ng n\u00e0y l\u00e0 5 USD\/th\u00e1ng, c\u1ed9ng v\u1edbi 0,1 USD\/1 Gigabyte d\u1eef li\u1ec7u (c\u00f3 th\u1ec3 khi\u1ebfn b\u1ea1n t\u1ed1n th\u00eam kho\u1ea3ng 5 &#8211; 20 USD n\u1eefa ho\u1eb7c h\u01a1n k\u00e9m t\u00f9y theo l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp). N\u00f3i chung t\u00f4i ch\u1ec9 khuy\u00ean d\u00f9ng t\u00ednh n\u0103ng Argo cho website r\u1ea5t quan tr\u1ecdng, th\u00ed d\u1ee5 c\u00e1c trang th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed.<\/p>\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/01\/tinh-nang-argo.png\" alt=\"t\u00ednh n\u0103ng t\u0103ng t\u1ed1c qua b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn\" class=\"wp-image-11277\"\/><\/figure><\/div>\n\n\n<p>V\u00ed d\u1ee5 v\u1ec1 th\u1eddi gian ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c khi s\u1eed d\u1ee5ng Argo:<\/p>\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/01\/su-dung-argo.png\" alt=\"S\u1eed d\u1ee5ng Argo c\u1ee7a CloudFlare\" class=\"wp-image-11283\"\/><\/figure><\/div>\n\n\n<p>Kho\u1ea3ng g\u1ea7n 0,3 gi\u00e2y, th\u1ef1c ra con s\u1ed1 n\u00e0y kh\u00f4ng nhi\u1ec1u, nh\u01b0ng khi internet c\u00f3 v\u1ea5n \u0111\u1ec1 (nh\u01b0 \u0111\u1ee9t c\u00e1p) th\u00ec gi\u00e1 tr\u1ecb n\u00e0y c\u00f3 th\u1ec3 l\u1edbn h\u01a1n, ngo\u00e0i ra \u00fd ngh\u0129a quan tr\u1ecdng h\u01a1n c\u1ee7a Argo n\u1eb1m \u1edf vi\u1ec7c gi\u1ea3m \u0111\u1ebfn 27% l\u1ed7i k\u1ebft n\u1ed1i. \u0110i\u1ec1u n\u00e0y c\u00f3 nhi\u1ec1u \u00fd ngh\u0129a v\u1edbi website m\u00e0 m\u1ed7i l\u01b0\u1ee3t truy c\u1eadp c\u00f3 kh\u1ea3 n\u0103ng chuy\u1ec3n th\u00e0nh kh\u00e1ch h\u00e0ng gi\u00e1 tr\u1ecb cao.<\/p>\n\n\n<h3 class=\"wp-block-heading\">Analytics<\/h3>\n\n\n<p>\u0110\u00e2y l\u00e0 tab d\u00f9ng \u0111\u1ec3 th\u1ed1ng k\u00ea th\u00f4ng tin li\u00ean quan \u0111\u1ebfn c\u00e1c l\u01b0\u1ee3t truy c\u1eadp d\u1eef li\u1ec7u.<\/p>\n\n\n<p>\u1ede ph\u1ea7n web traffic l\u00e0 c\u00e1c th\u1ed1ng k\u00ea&nbsp;Requests (l\u01b0\u1ee3t truy v\u1ea5n) \/ Bandwith (l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp) \/ Unique Vistors (ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp duy nh\u1ea5t).<\/p>\n\n\n<p>V\u00ed d\u1ee5:<\/p>\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/01\/bandwith.png\" alt=\"l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp\" class=\"wp-image-11284\"\/><\/figure><\/div>\n\n\n<p>\u1ede ph\u1ea7n n\u00e0y cho th\u1ea5y:<\/p>\n\n\n<ul><li>T\u1ed5ng l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp (bandwidth) trong 24 gi\u1edd qua tr\u00ean website l\u00e0 1,35 GB;<\/li><li>S\u1ed1 l\u01b0u l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c truy c\u1eadp th\u00f4ng qua Cloudflare l\u00e0 1,09 GB;<\/li><li>S\u1ed1 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ebfn m\u00e1y ch\u1ee7 g\u1ed1c (hosting) c\u1ee7a b\u1ea1n l\u00e0 0,26 GB.<\/li><\/ul>\n\n\n<p>Nh\u01b0 v\u1eady Cloudflare kh\u00f4ng ch\u1ec9 gi\u00fap t\u0103ng t\u1ed1c, n\u00f3 c\u00f2n gi\u00fap gi\u1ea3m t\u1ea3i cho hosting c\u1ee7a b\u1ea1n r\u1ea5t nhi\u1ec1u.<\/p>\n\n\n<p>Ti\u1ebfp theo l\u00e0 Web Traffic Requests by Country\/L\u01b0u l\u01b0\u1ee3ng truy c\u1eadp theo qu\u1ed1c gia. \u1ede \u0111\u00e2y b\u1ea1n s\u1ebd th\u1ea5y th\u1ed1ng k\u00ea ng\u01b0\u1eddi d\u00f9ng t\u1eeb c\u00e1c qu\u1ed1c gia n\u00e0o \u0111ang v\u00e0o trang web. Ch\u1ee7 y\u1ebfu c\u00f3 \u00fd ngh\u0129a v\u1edbi c\u00e1c trang c\u00f3 t\u00ednh qu\u1ed1c t\u1ebf, c\u00f2n ph\u1ea7n \u0111a, nh\u01b0 trang c\u1ee7a t\u00f4i, ng\u01b0\u1eddi d\u00f9ng ch\u1ee7 y\u1ebfu \u1edf Vi\u1ec7t Nam:<\/p>\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/01\/quoc-gia-truy-cap.png\" alt=\"truy c\u1eadp theo qu\u1ed1c gia\" class=\"wp-image-11285\"\/><\/figure><\/div>\n\n\n<p>Th\u1ed1ng k\u00ea n\u00e0y bao g\u1ed3m c\u1ea3 b\u1ecd t\u00ecm ki\u1ebfm (crawler \/ v\u00ed d\u1ee5 b\u1ecd c\u1ee7a Google) v\u00e0 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng (threat) n\u1ebfu c\u00f3, n\u00ean b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y c\u00e1c n\u01b0\u1edbc kh\u00e1c ngo\u00e0i Vi\u1ec7t Nam, v\u00e0 con s\u1ed1 \u1edf tr\u00ean l\u00e0 theo l\u01b0\u1ee3t truy v\u1ea5n d\u1eef li\u1ec7u, n\u00f3 kh\u00e1c v\u1edbi ng\u01b0\u1eddi gh\u00e9 th\u0103m. Trang c\u1ee7a t\u00f4i ch\u1ec9 c\u00f3 t\u1ea7m 2000 l\u01b0\u1ee3t xem tr\u00ean ng\u00e0y m\u00e0 th\u00f4i&#8230;<\/p>\n\n\n<p>H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng Cloudflare k\u1ebft th\u00fac \u1edf \u0111\u00e2y. Xin ch\u00e0o &amp; h\u1eb9n g\u1eb7p l\u1ea1i c\u00e1c b\u1ea1n.<\/p>\n\n\n<p>C\u00e1c b\u00e0i vi\u1ebft kh\u00e1c t\u00ecm hi\u1ec3u v\u1ec1 Cloudflare:<\/p>\n\n\n<ul><li><a href=\"https:\/\/kiencang.net\/can-bang-tai-cua-cloudflare\/\" target=\"_blank\" rel=\"noreferrer noopener\">T\u00ednh n\u0103ng c\u00e2n b\u1eb1ng t\u1ea3i c\u1ee7a Cloudflare<\/a>.<\/li><li><a href=\"https:\/\/kiencang.net\/tinh-nang-cdn-cua-cloudflare\/\" target=\"_blank\" rel=\"noreferrer noopener\">T\u00ednh n\u0103ng CDN c\u1ee7a Cloudflare<\/a>.<\/li><li><a href=\"https:\/\/kiencang.net\/toi-uu-hoa-web-cua-cloudflare\/\" target=\"_blank\" rel=\"noreferrer noopener\">D\u1ecbch v\u1ee5 t\u1ed1i \u01b0u h\u00f3a web c\u1ee7a Cloudflare<\/a>.<\/li><li><a href=\"https:\/\/kiencang.net\/dinh-tuyen-argo-cua-cloudflare\/\" target=\"_blank\" rel=\"noreferrer noopener\">B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn th\u00f4ng minh c\u1ee7a Cloudflare<\/a>.<\/li><li><a href=\"https:\/\/kiencang.net\/huong-dan-su-dung-cdnsun\/\" target=\"_blank\" rel=\"noreferrer noopener\">H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng CDNSun c\u00f3 PoP \u1edf H\u00e0 N\u1ed9i \u0111\u1ec3 t\u0103ng t\u1ed1c website<\/a>.<\/li><li><a href=\"https:\/\/kiencang.net\/rac-roi-cdn\/\" target=\"_blank\" rel=\"noreferrer noopener\">M\u1ed9t s\u1ed1 r\u1eafc r\u1ed1i th\u01b0\u1eddng g\u1eb7p khi l\u1ea7n \u0111\u1ea7u s\u1eed d\u1ee5ng CDN<\/a>.<\/li><\/ul>\n\n\n<p class=\"has-luminous-vivid-amber-background-color has-background\">M\u1eddi b\u00e0n xem th\u00eam <a href=\"https:\/\/kiencang.net\/cdn-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">b\u00e0i \u0111\u00e1nh gi\u00e1 t\u1ed5ng h\u1ee3p c\u00e1c d\u1ecbch v\u1ee5 CDN ch\u1ea5t l\u01b0\u1ee3ng cho WordPress<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u0103ng t\u1ed1c v\u00e0 duy tr\u00ec s\u1ef1 \u1ed5n \u0111\u1ecbnh li\u00ean t\u1ee5c c\u1ee7a website l\u00e0 nhi\u1ec7m v\u1ee5 v\u00f4 c\u00f9ng quan tr\u1ecdng v\u1edbi ng\u01b0\u1eddi qu\u1ea3n tr\u1ecb web. N\u1ebfu b\u1ea1n ch\u1ecdn \u0111\u01b0\u1ee3c hosting h\u1ebft s\u1ee9c \u01b0ng \u00fd r\u1ed3i (v\u00ed d\u1ee5 Closte) th\u00ec vi\u1ec7c s\u1eed d\u1ee5ng Cloudflare c\u00f3 th\u1ec3 kh\u00f4ng c\u1ea7n thi\u1ebft, tuy nhi\u00ean n\u1ebfu b\u1ea1n g\u1eb7p m\u1ed9t trong c\u00e1c &hellip;<\/p>\n","protected":false},"author":1,"featured_media":13094,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[249,252,257,280],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng Cloudflare (b\u1ea3n Pro) \u0111\u1ec3 t\u0103ng t\u1ed1c website to\u00e0n di\u1ec7n &#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\/huong-dan-su-dung-cloudflare\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng Cloudflare (b\u1ea3n Pro) \u0111\u1ec3 t\u0103ng t\u1ed1c website to\u00e0n di\u1ec7n &#8226; Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"og:description\" content=\"T\u0103ng t\u1ed1c v\u00e0 duy tr\u00ec s\u1ef1 \u1ed5n \u0111\u1ecbnh li\u00ean t\u1ee5c c\u1ee7a website l\u00e0 nhi\u1ec7m v\u1ee5 v\u00f4 c\u00f9ng quan tr\u1ecdng v\u1edbi ng\u01b0\u1eddi qu\u1ea3n tr\u1ecb web. 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