{"id":11318,"date":"2019-01-17T08:49:05","date_gmt":"2019-01-17T08:49:05","guid":{"rendered":"http:\/\/www.ducanhplus.com\/?p=11318"},"modified":"2019-01-17T08:49:05","modified_gmt":"2019-01-17T08:49:05","slug":"toi-uu-hoa-web-cua-cloudflare","status":"publish","type":"post","link":"https:\/\/kiencang.net\/toi-uu-hoa-web-cua-cloudflare\/","title":{"rendered":"D\u1ecbch v\u1ee5 t\u1ed1i \u01b0u h\u00f3a web c\u1ee7a Cloudflare"},"content":{"rendered":"\n<p>T\u1ed1i \u01b0u h\u00f3a website kh\u00f4ng ch\u1ec9 l\u00e0 vi\u1ec7c chuy\u1ec3n c\u00e1c n\u1ed9i dung t\u0129nh \u0111\u1ebfn g\u1ea7n ng\u01b0\u1eddi d\u00f9ng h\u01a1n m\u00e0 th\u00f4i (ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a CDN), n\u00f3 c\u00f2n l\u00e0 vi\u1ec7c \u0111\u1ea3m b\u1ea3o t\u1eebng <a href=\"https:\/\/kiencang.net\/cach-trang-web-tai-va-hien-thi\/\">trang \u0111\u01b0\u1ee3c render (xu\u1ea5t)<\/a> nhanh v\u00e0 hi\u1ec7u qu\u1ea3 nh\u1ea5t c\u00f3 th\u1ec3 t\u1eeb b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb n\u00e0o m\u00e0 user s\u1eed d\u1ee5ng \u0111\u1ec3 l\u01b0\u1edbt web. Kh\u00e1ch h\u00e0ng c\u1ee7a Cloudflare c\u00f3 th\u1ec3 ch\u1ecdn l\u1ef1a b\u1ea5t k\u1ef3 k\u1ebft h\u1ee3p n\u00e0o t\u1eeb c\u00e1c t\u00ednh n\u0103ng t\u1ed1i \u01b0u h\u00f3a n\u1ed9i dung web b\u00ean d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 \u0111\u01b0a hi\u1ec7u su\u1ea5t trang l\u00ean m\u1ed9t t\u1ea7m cao m\u1edbi.<\/p>\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-6577d6c32ef13\" ><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-6577d6c32ef13\"  type=\"checkbox\" id=\"item-6577d6c32ef13\"><\/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\/toi-uu-hoa-web-cua-cloudflare\/#Cac_tinh_nang_toi_uu_hoa\" title=\"C\u00e1c t\u00ednh n\u0103ng t\u1ed1i \u01b0u h\u00f3a\">C\u00e1c t\u00ednh n\u0103ng t\u1ed1i \u01b0u h\u00f3a<\/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\/toi-uu-hoa-web-cua-cloudflare\/#Tai_tai_nguyen_khong_dong_bo\" title=\"T\u1ea3i t\u00e0i nguy\u00ean kh\u00f4ng \u0111\u1ed3ng b\u1ed9\">T\u1ea3i t\u00e0i nguy\u00ean kh\u00f4ng \u0111\u1ed3ng b\u1ed9<\/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\/toi-uu-hoa-web-cua-cloudflare\/#San_sang_cho_di_dong\" title=\"S\u1eb5n s\u00e0ng cho di \u0111\u1ed9ng\">S\u1eb5n s\u00e0ng cho di \u0111\u1ed9ng<\/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\/toi-uu-hoa-web-cua-cloudflare\/#CDN_va_WCO\" title=\"CDN v\u00e0 WCO\">CDN v\u00e0 WCO<\/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\/toi-uu-hoa-web-cua-cloudflare\/#Cac_tinh_nang_nang_cao_cua_goi_Pro_Business_va_Enterprise\" title=\"C\u00e1c t\u00ednh n\u0103ng n\u00e2ng cao c\u1ee7a g\u00f3i Pro, Business, v\u00e0 Enterprise\">C\u00e1c t\u00ednh n\u0103ng n\u00e2ng cao c\u1ee7a g\u00f3i Pro, Business, v\u00e0 Enterprise<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/kiencang.net\/toi-uu-hoa-web-cua-cloudflare\/#Thiet_lap_Cloudflare_cho_website_cua_ban_rat_de_dang\" title=\"Thi\u1ebft l\u1eadp Cloudflare cho website c\u1ee7a b\u1ea1n r\u1ea5t d\u1ec5 d\u00e0ng\">Thi\u1ebft l\u1eadp Cloudflare cho website c\u1ee7a b\u1ea1n r\u1ea5t d\u1ec5 d\u00e0ng<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cac_tinh_nang_toi_uu_hoa\"><\/span>C\u00e1c t\u00ednh n\u0103ng t\u1ed1i \u01b0u h\u00f3a<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p><a href=\"https:\/\/kiencang.net\/dinh-tuyen-argo-cua-cloudflare\/\"><strong>\u0110\u1ecbnh tuy\u1ebfn th\u00f4ng minh Argo<\/strong><\/a>: Argo c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t trang b\u1eb1ng c\u00e1ch \u0111\u1ecbnh tuy\u1ebfn ng\u01b0\u1eddi gh\u00e9 th\u0103m th\u00f4ng qua tuy\u1ebfn truy\u1ec1n d\u1eabn \u00edt b\u1ecb t\u1eafc ngh\u1ebdn v\u00e0 \u0111\u00e1ng tin c\u1eady nh\u1ea5t s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng m\u1ea1ng ri\u00eang c\u1ee7a Cloudflare.<\/p>\n\n\n<p><strong>Rocket Loader (T\u1ea3i nhanh nh\u01b0 t\u00ean l\u1eeda)<\/strong>: T\u1ef1 \u0111\u1ed9ng g\u1ed9p, b\u00f3 c\u00e1c file JavaScript \u0111\u1ec3 t\u1ed1i thi\u1ec3u h\u00f3a s\u1ed1 l\u01b0\u1ee3ng k\u1ebft n\u1ed1i v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c ngu\u1ed3n c\u1ee7a b\u00ean th\u1ee9 ba kh\u00f4ng l\u00e0m ch\u1eadm <a href=\"https:\/\/kiencang.net\/cach-trang-web-tai-va-hien-thi\/\" target=\"_blank\" rel=\"noreferrer noopener\">qu\u00e1 tr\u00ecnh trang web \u0111\u01b0\u1ee3c k\u1ebft xu\u1ea5t<\/a>\/render (<a href=\"https:\/\/kiencang.net\/tang-toc-web-pagespeed-insights\/#9_Loai_bo_JavaScript_chan_hien_thi\" target=\"_blank\" rel=\"noreferrer noopener\">JS ch\u1eb7n hi\u1ec3n th\u1ecb &#8211; xem th\u00eam \u1edf ph\u1ea7n n\u00e0y<\/a> \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n).<\/p>\n\n\n<p><strong>T\u1ed1i \u01b0u h\u00f3a ti\u00eau \u0111\u1ec1 b\u1ed9 \u0111\u1ec7m (Cache header optimization)<\/strong>: T\u1ef1 \u0111\u1ed9ng \u0111i\u1ec1u ch\u1ec9nh h\u01b0\u1edbng d\u1eabn c\u1ee7a header cache v\u00ec th\u1ebf <a href=\"https:\/\/kiencang.net\/bo-nho-dem-trinh-duyet\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e1c tr\u00ecnh duy\u1ec7t s\u1ebd bi\u1ebft c\u00e1ch cache t\u00e0i nguy\u00ean c\u1ee7a trang ch\u00ednh x\u00e1c<\/a> nh\u1eb1m t\u1ed1i thi\u1ec3u h\u00f3a l\u1eddi g\u1ecdi m\u1ea1ng cho c\u00e1c y\u00eau c\u1ea7u m\u1edbi (requests).<\/p>\n\n\n<p><strong>D\u1ec5 d\u00e0ng b\u1eadt v\u00e0 t\u1eaft: <\/strong>D\u1ecbch v\u1ee5 c\u1ee7a\u00a0Cloudflare d\u1ec5 d\u00e0ng b\u1eadt ho\u1eb7c t\u1eaft. B\u1ea1n mu\u1ed1n th\u1eed m\u1ed9t d\u1ecbch v\u1ee5 m\u1edbi? \u0110\u01a1n gi\u1ea3n l\u00e0 click \u0111\u1ec3 b\u1eadt t\u00ednh n\u0103ng \u0111\u00f3. B\u1ea1n mu\u1ed1n t\u1eaft t\u00ednh n\u0103ng n\u00e0o \u0111\u00f3? C\u0169ng ch\u1ec9 t\u1ed1n m\u1ed9t thao t\u00e1c click m\u00e0 th\u00f4i. PS: t\u00ednh d\u1ec5 d\u00f9ng l\u00e0 m\u1ed9t trong c\u00e1c \u01b0u \u0111i\u1ec3m l\u1edbn nh\u1ea5t c\u1ee7a Cloudflare.<\/p>\n\n\n<p><strong>Kh\u00f4ng ph\u1ea3i c\u00e0i \u0111\u1eb7t<\/strong>: Vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a website c\u1ee7a Cloudflare kh\u00f4ng y\u00eau c\u1ea7u thay \u0111\u1ed5i b\u1ea5t k\u1ef3 \u0111o\u1ea1n code, ph\u1ea7n m\u1ec1m hay ph\u1ea7n c\u1ee9ng n\u00e0o. \u0110\u01a1n gi\u1ea3n l\u00e0 chuy\u1ec3n \u0111\u1ed5i sang DNS c\u1ee7a Cloudflare &amp; b\u1eadt \u0111\u00e1m m\u00e2y v\u00e0ng l\u00ean l\u00e0 xong, b\u1ea1n c\u00f3 th\u1ec3 <a href=\"https:\/\/kiencang.net\/tang-toc-wordpress\/\">t\u0103ng t\u1ed1c trang web<\/a> trong v\u00f2ng n\u0103m ph\u00fat.<\/p>\n\n\n<p><strong>T\u1ef1 \u0111\u1ed9ng vi\u1ebft l\u1ea1i HTTPS<\/strong>: Lo\u1ea1i b\u1ecf c\u00e1c v\u1ea5n \u0111\u1ec1 n\u1ed9i dung h\u1ed7n h\u1ee3p (mix content) \u0111\u1ed3ng th\u1eddi t\u0103ng c\u01b0\u1eddng hi\u1ec7u su\u1ea5t v\u00e0 b\u1ea3o m\u1eadt b\u1eb1ng c\u00e1ch vi\u1ebft l\u1ea1i c\u00e1c URL \u0111\u1ed9ng kh\u00f4ng b\u1ea3o m\u1eadt (http) t\u1eeb c\u00e1c m\u00e1y ch\u1ee7 \u0111\u00e3 bi\u1ebft v\u1ec1 d\u1ea1ng an to\u00e0n (https) c\u1ee7a ch\u00fang.<\/p>\n\n\n<p><strong>TLS 1.3<\/strong>: B\u1ea3o m\u1eadt l\u1edbp v\u1eadn chuy\u1ec3n (Transportation Layer Security\/TLS) 1.3 gi\u00fap gi\u1ea3m \u0111\u1ed9 tr\u1ec5 v\u00e0 lo\u1ea1i b\u1ecf c\u00e1c t\u00ednh n\u0103ng kh\u00f4ng b\u1ea3o m\u1eadt c\u1ee7a TLS, l\u00e0m cho HTTPS b\u1ea3o m\u1eadt h\u01a1n n\u1eefa v\u00e0 t\u0103ng hi\u1ec7u su\u1ea5t h\u01a1n b\u1ea5t k\u1ef3 phi\u00ean b\u1ea3n TLS n\u00e0o tr\u01b0\u1edbc \u0111\u00f3 v\u00e0 c\u1ea3 giao th\u1ee9c kh\u00f4ng b\u1ea3o m\u1eadt HTTP c\u0169ng v\u1eady.<\/p>\n\n\n<p><strong>T\u1ef1 \u0111\u1ed9ng cache n\u1ed9i dung<\/strong>: Cloudflare t\u1ef1 \u0111\u1ed9ng cache c\u00e1c t\u00e0i nguy\u00ean t\u0129nh bao g\u1ed3m JavaScript, CSS v\u00e0 \u1ea3nh. V\u1edbi Edge Cache expire TTL, b\u1ea1n c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh kho\u1ea3ng th\u1eddi gian Cloudflare cache t\u00e0i nguy\u00ean tr\u01b0\u1edbc khi quay l\u1ea1i m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n \u0111\u1ec3 l\u1ea5y m\u1ed9t b\u1ea3n sao m\u1edbi nh\u1ea5t.<\/p>\n\n\n<p><strong>C\u00e1c li\u00ean k\u1ebft di \u0111\u1ed9ng t\u0103ng t\u1ed1c<\/strong>: Accelerated Mobile Links, hay l\u00e0 c\u00e1c li\u00ean k\u1ebft di \u0111\u1ed9ng t\u0103ng t\u1ed1c \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi <a href=\"https:\/\/kiencang.net\/google-amp-tang-toc-website\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00f4ng ngh\u1ec7 AMP<\/a>, k\u00edch ho\u1ea1t c\u00e1c li\u00ean k\u1ebft c\u00f3 AMP tr\u00ean to\u00e0n b\u1ed9 trang web c\u1ee7a b\u1ea1n, \u0111\u1ea9y nhanh t\u1ed1c \u0111\u1ed9 t\u1ea3i trang l\u00ean t\u1eeb 3 \u0111\u1ebfn 5 l\u1ea7n.<\/p>\n\n\n<p><strong>L\u01b0u gi\u1eef Caching c\u1ee5c b\u1ed9<\/strong>: S\u1eed d\u1ee5ng ph\u1ea7n l\u01b0u tr\u1eef c\u1ee5c b\u1ed9 tr\u00ean c\u00e1c tr\u00ecnh duy\u1ec7t v\u00e0 di \u0111\u1ed9ng hi\u1ec7n \u0111\u1ea1i \u0111\u1ec3 cache th\u00f4ng minh c\u00e1c \u0111\u1ed5i t\u01b0\u1ee3ng c\u1ea7n thi\u1ebft nh\u1eb1m render t\u1ed1t nh\u1ea5t trang c\u1ee7a b\u1ea1n.<\/p>\n\n\n<p><strong>HTTP\/2<\/strong>: Phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t c\u1ee7a HTTP t\u0103ng t\u1ed1c ph\u00e2n ph\u1ed1i n\u1ed9i dung v\u1edbi gh\u00e9p k\u00eanh (multiplexing), n\u00e9n header, \u01b0u ti\u00ean lu\u1ed3ng v\u00e0 nhi\u1ec1u th\u1ee9 kh\u00e1c.<\/p>\n\n\n<p><strong>Server Push<\/strong>: HTTP\/2 Server Push cho ph\u00e9p m\u1ed9t server ho\u1eb7c m\u1ea1ng edge g\u1eedi th\u00f4ng tin t\u1edbi tr\u00ecnh duy\u1ec7t tr\u01b0\u1edbc c\u1ea3 khi n\u00f3 th\u1ef1c s\u1ef1 g\u1eedi y\u00eau c\u1ea7u.<\/p>\n\n\n<p><strong>AutoMinify (T\u1ef1 \u0111\u1ed9ng gi\u1ea3m thi\u1ec3u)<\/strong>: Nhanh ch\u00f3ng lo\u1ea1i b\u1ecf c\u00e1c k\u00fd t\u1ef1 kh\u00f4ng c\u1ea7n thi\u1ebft tr\u00ean HTML, CSS v\u00e0 JavaScript. Ti\u1ebft ki\u1ec7m 20% k\u00edch c\u1ee1 file v\u00e0 hi\u1ec7u qu\u1ea3 n\u00e0y c\u00f3 \u0111\u01b0\u1ee3c ngay c\u1ea3 khi kh\u00f4ng \u0111\u01b0\u1ee3c cache, v\u00ec th\u1ebf n\u00f3 c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 \u0111\u1ea7y \u0111\u1ee7 cho c\u1ea3 c\u00e1c trang \u0111\u1ed9ng. (Xem th\u00eam: <a href=\"https:\/\/kiencang.net\/giam-thieu-css\/\" target=\"_blank\" rel=\"noreferrer noopener\">t\u00ecm hi\u1ec3u minfy CSS<\/a> \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n kh\u00e1i ni\u1ec7m minyfy)<\/p>\n\n\n<p><strong>T\u1ed1i \u01b0u h\u00f3a tr\u00ecnh duy\u1ec7t<\/strong>: T\u1ef1 \u0111\u1ed9ng \u0111i\u1ec1u ch\u1ec9nh c\u00e1ch n\u1ed9i dung ph\u00e2n ph\u1ed1i d\u1ef1a tr\u00ean thi\u1ebft b\u1ecb c\u1ee5 th\u1ec3 truy c\u1eadp trang \u0111\u1ec3 t\u1ed1i \u0111a h\u00f3a t\u1ed1c \u0111\u1ed9 m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn giao di\u1ec7n hay t\u00ednh n\u0103ng c\u1ee7a trang.<\/p>\n\n\n<p><strong>N\u00e9n GZIP t\u0103ng c\u01b0\u1eddng<\/strong>: Gi\u1ea3m k\u00edch c\u1ee1 c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c t\u00e0i nguy\u00ean v\u00e0 ph\u00e2n ph\u1ed1i ch\u00fang d\u01b0\u1edbi d\u1ea1ng \u0111\u00e3 \u0111\u01b0\u1ee3c n\u00e9n th\u1eadm ch\u00ed l\u00e0 v\u1edbi c\u1ea3 c\u00e1c y\u00eau c\u1ea7u tr\u00ecnh duy\u1ec7t kh\u00f4ng ch\u00ednh x\u00e1c ho\u1eb7c kh\u00f4ng h\u1ed7 tr\u1ee3 <a href=\"https:\/\/kiencang.net\/bat-nen-gzip\/\" target=\"_blank\" rel=\"noreferrer noopener\">GZIP<\/a>.<\/p>\n\n\n<p><strong>M\u00e3 h\u00f3a c\u01a1 h\u1ed9i (Opportunistic Encryption)<\/strong>: Cung c\u1ea5p cho c\u00e1c t\u00ean mi\u1ec1n ch\u1ec9 c\u00f3 HTTP c\u00f3 \u0111\u01b0\u1ee3c l\u1ee3i \u00edch c\u1ee7a vi\u1ec7c m\u00e3 h\u00f3a v\u00e0 c\u00e1c t\u00ednh n\u0103ng t\u1ed1i \u01b0u h\u00f3a web m\u00e0 v\u1ed1n ch\u1ec9 cung c\u1ea5p khi s\u1eed d\u1ee5ng TLS.<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tai_tai_nguyen_khong_dong_bo\"><\/span>T\u1ea3i t\u00e0i nguy\u00ean kh\u00f4ng \u0111\u1ed3ng b\u1ed9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/01\/tai-khong-dong-bo-cloudflare.png\" alt=\"t\u1ea3i kh\u00f4ng \u0111\u1ed3ng b\u1ed9 c\u1ee7a cloudflare\" class=\"wp-image-11319\"\/><\/figure><\/div>\n\n\n<p>T\u1ea3i kh\u00f4ng \u0111\u1ed3ng b\u1ed9 ngu\u1ed3n t\u00e0i nguy\u00ean t\u1ed1i \u01b0u h\u00f3a trang HTML c\u1ee7a b\u1ea1n v\u00ec th\u1ebf n\u00f3 s\u1ebd gi\u00fap render trang nhanh nh\u1ea5t c\u00f3 th\u1ec3 m\u00e0 kh\u00f4ng ph\u1ea3i m\u1ea5t th\u1eddi gian cho c\u00e1c \u0111o\u1ea1n m\u00e3 script ch\u1eadm nh\u01b0 l\u00e0 c\u00e1c widget ho\u1eb7c qu\u1ea3ng c\u00e1o. C\u00e1c trang web c\u1ee7a b\u1ea1n s\u1ebd cho c\u1ea3m gi\u00e1c linh ho\u1ea1t h\u01a1n nhi\u1ec1u.<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"San_sang_cho_di_dong\"><\/span>S\u1eb5n s\u00e0ng cho di \u0111\u1ed9ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>Th\u1ecb tr\u01b0\u1eddng thi\u1ebft b\u1ecb \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng l\u00e0 kh\u1ed5ng l\u1ed3 v\u00e0 v\u1eabn ti\u1ebfp t\u1ee5c m\u1edf r\u1ed9ng. Khi ch\u00fang ta nh\u00ecn l\u1ea1i n\u0103m 2017, s\u1ed1 l\u01b0\u1ee3ng c\u00e1c thi\u1ebft b\u1ecb di \u0111\u1ed9ng \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t \u0111\u00e3 ph\u00e1t tri\u1ec3n t\u1edbi h\u01a1n 5 t\u1ef7 r\u1ed3i. Cloudflare nh\u1eadn th\u1ea5y k\u1ef3 v\u1ecdng cao c\u1ee7a ng\u01b0\u1eddi d\u00f9ng di \u0111\u1ed9ng v\u00e0 \u0111i\u1ec1u n\u00e0y gi\u1ea3i th\u00edch t\u1ea1i sao ch\u00fang t\u00f4i t\u1ef1 x\u00e2y d\u1ef1ng ri\u00eang m\u1ed9t s\u1ed1 k\u1ef9 thu\u1eadt (Polish &amp; Mirage, Native Mobile App Acceleration &amp; Security, Custom Cache Key, v\u00e2n v\u00e2n) \u0111\u1ec3 cung c\u1ea5p tr\u1ea3i nghi\u1ec7m li\u1ec1n m\u1ea1ch tr\u00ean di \u0111\u1ed9ng.<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"CDN_va_WCO\"><\/span>CDN v\u00e0 WCO<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p><a href=\"https:\/\/kiencang.net\/cdn-la-gi\/\">M\u1ed9t m\u1ea1ng ph\u00e2n t\u00e1n n\u1ed9i dung (CDN)<\/a> l\u1ea5y c\u00e1c n\u1ed9i dung t\u0129nh c\u1ee7a b\u1ea1n v\u00e0 l\u01b0u tr\u1eef b\u1ea3n sao \u0111\u00f3 g\u1ea7n h\u01a1n v\u1edbi ng\u01b0\u1eddi d\u00f9ng. B\u1eb1ng c\u00e1ch chuy\u1ec3n n\u1ed9i dung \u0111\u1ebfn g\u1ea7n ng\u01b0\u1eddi duy\u1ec7t web h\u01a1n, n\u00f3 gi\u00fap gi\u1ea3m th\u1eddi gian truy c\u1eadp \u0111\u1ebfn c\u00e1c ngu\u1ed3n t\u00e0i nguy\u00ean, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 trang s\u1ebd t\u1ea3i nhanh h\u01a1n. CDN \u0111\u00e3 xu\u1ea5t hi\u1ec7n \u0111\u01b0\u1ee3c kho\u1ea3ng 15 n\u0103m nay. G\u1ea7n nh\u01b0 t\u1ea5t c\u00e1c c\u00e1c website l\u1edbn tr\u00ean Internet \u0111\u1ec1u s\u1eed d\u1ee5ng CDN.<\/p>\n\n\n<p>T\u1ed1i \u01b0u h\u00f3a n\u1ed9i dung web (Web content optimization\/WCO) c\u1ea3i thi\u1ec7n c\u00e1ch t\u00e0i nguy\u00ean tr\u00ean trang web c\u1ee7a b\u1ea1n t\u1ea3i xu\u1ed1ng. C\u00e1c trang web l\u00e0 m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c \u1ee9ng d\u1ee5ng, widgets, v\u00e0 c\u00e1c th\u1ebb bao g\u1ed3m t\u1ea5t c\u1ea3 m\u1ecdi th\u1ee9 t\u1eeb c\u00e1c m\u00e3 qu\u1ea3ng c\u00e1o ch\u00e8n v\u00e0o trang web cho \u0111\u1ebfn m\u1ed9t retweet Twitter ho\u1eb7c m\u1ed9t n\u00fat like Facebook. WCO \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c ngu\u1ed3n t\u00e0i nguy\u00ean t\u1ea1o n\u00ean trang web c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c t\u1ea3i m\u1ed9t c\u00e1ch t\u1ed1i \u01b0u. Trong khi CDN \u0111\u00e3 c\u00f3 m\u1eb7t m\u1ed9t th\u1eddi gian d\u00e0i r\u1ed3i, WCO l\u00e0 c\u00f4ng ngh\u1ec7 m\u1edbi h\u01a1n v\u00e0 \u0111\u01b0a hi\u1ec7u su\u1ea5t l\u00ean m\u1ed9t t\u1ea7m cao m\u1edbi.<\/p>\n\n\n<p><a href=\"https:\/\/kiencang.net\/tinh-nang-cdn-cua-cloudflare\/\" target=\"_blank\" rel=\"noreferrer noopener\">Ch\u00fang t\u00f4i t\u1ef1 x\u00e2y d\u1ef1ng CDN c\u1ee7a m\u00ecnh t\u1eeb con s\u1ed1 kh\u00f4ng<\/a>. Ch\u00fang t\u00f4i s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn nh\u1ea5t ch\u1eb3ng h\u1ea1n nh\u01b0 \u1ed5 c\u1ee9ng SSD cho I\/O (d\u1eef li\u1ec7u v\u00e0o\/ra) ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn Anycast c\u0169ng nh\u01b0 <a href=\"https:\/\/kiencang.net\/can-bang-tai-cua-cloudflare\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e2n b\u1eb1ng t\u1ea3i \u0111\u1ecba l\u00fd<\/a> \u0111\u1ec3 l\u00e0m n\u00f3 nhanh v\u00e0 hi\u1ec7u qu\u1ea3 nh\u1ea5t c\u00f3 th\u1ec3. Nh\u01b0ng ch\u00fang t\u00f4i kh\u00f4ng mu\u1ed1n c\u1ed1 g\u1eafng c\u1ee7a b\u1ea3n th\u00e2n trong vi\u1ec7c t\u0103ng t\u1ed1c \u0111\u1ed9 web ch\u1ec9 d\u1eebng l\u1ea1i \u1edf CDN truy\u1ec1n th\u1ed1ng m\u00e0 th\u00f4i. Rocket Loader c\u1ee7a Cloudflare v\u00e0 c\u00e1c d\u1ecbch v\u1ee5 WCO kh\u00e1c \u0111\u1ea3m b\u1ea3o trang web c\u1ee7a b\u1ea1n render nhanh v\u00e0 hi\u1ec7u qu\u1ea3 nh\u1ea5t. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u1ea3 CDN v\u00e0 WCO, trang c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u cho c\u1ea3 c\u1ea5p \u0111\u1ed9 m\u1ea1ng l\u1eabn tr\u00ecnh duy\u1ec7t.<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cac_tinh_nang_nang_cao_cua_goi_Pro_Business_va_Enterprise\"><\/span>C\u00e1c t\u00ednh n\u0103ng n\u00e2ng cao c\u1ee7a g\u00f3i Pro, Business, v\u00e0 Enterprise<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p><strong>T\u1ed1i \u01b0u h\u00f3a phi\u00ean<\/strong>: T\u1ef1 \u0111\u1ed9ng nh\u1eadn bi\u1ebft c\u00e1c trang c\u00f3 kh\u1ea3 n\u0103ng \u0111\u01b0\u1ee3c truy c\u1eadp nhi\u1ec1u nh\u1ea5t trong m\u1ed9t phi\u00ean, k\u1ebft qu\u1ea3 n\u00e0y thu \u0111\u01b0\u1ee3c t\u1eeb vi\u1ec7c l\u1ea5y m\u1eabu truy c\u1eadp c\u1ee7a t\u1ea5t c\u1ea3 ng\u01b0\u1eddi d\u00f9ng gh\u00e9 th\u0103m trang.<\/p>\n\n\n<p><strong>Polish<\/strong>: Polish t\u1ef1 \u0111\u1ed9ng \u00e1p d\u1ee5ng k\u1ef9 thu\u1eadt <a href=\"https:\/\/kiencang.net\/cac-ky-thuat-nen-anh-webp\/\" target=\"_blank\" rel=\"noreferrer noopener\">t\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh &#8220;kh\u00f4ng m\u1ea5t ch\u1ea5t l\u01b0\u1ee3ng&#8221; ho\u1eb7c &#8220;m\u1ea5t ch\u1ea5t l\u01b0\u1ee3ng&#8221;<\/a> \u0111\u1ec3 lo\u1ea1i b\u1ecf d\u1eef li\u1ec7u kh\u00f4ng c\u1ea7n thi\u1ebft kh\u1ecfi c\u00e1c \u1ea3nh. Trung b\u00ecnh th\u00ec k\u00edch c\u1ee1 c\u00e1c \u1ea3nh gi\u1ea3m \u0111\u01b0\u1ee3c kho\u1ea3ng 35%. Cloudflare s\u1eed d\u1ee5ng <a href=\"https:\/\/kiencang.net\/dinh-dang-anh-webp\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0111\u1ecbnh d\u1ea1ng \u1ea3nh m\u1edbi WebP<\/a> \u0111\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c t\u1ed1i \u01b0u. (Xem th\u00eam: <a href=\"https:\/\/kiencang.net\/toi-uu-hoa-anh-tren-web\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e1ch t\u1ed1i \u01b0u ho\u00e1 \u1ea3nh cho web, c\u01a1 s\u1edf l\u00fd thuy\u1ebft<\/a>)<\/p>\n\n\n<p><strong>Mirage<\/strong>: Mirage gi\u00fap t\u0103ng t\u1ed1c ph\u00e2n ph\u1ed1i \u1ea3nh cho ng\u01b0\u1eddi d\u00f9ng d\u1ef1a tr\u00ean thi\u1ebft b\u1ecb c\u1ee7a h\u1ecd. Mirage nh\u1eadn d\u1ea1ng k\u00edch c\u1ee1 m\u00e0n h\u00ecnh v\u00e0 t\u1ed1c \u0111\u1ed9 k\u1ebft n\u1ed1i \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a ph\u00e2n ph\u1ed1i h\u00ecnh \u1ea3nh cho c\u1eeda s\u1ed5 tr\u00ecnh duy\u1ec7t hi\u1ec7n t\u1ea1i, tr\u00ean di \u0111\u1ed9ng ho\u1eb7c tr\u00ean m\u00e1y b\u00e0n.<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Thiet_lap_Cloudflare_cho_website_cua_ban_rat_de_dang\"><\/span>Thi\u1ebft l\u1eadp Cloudflare cho website c\u1ee7a b\u1ea1n r\u1ea5t d\u1ec5 d\u00e0ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>Vi\u1ec7c thi\u1ebft l\u1eadp \u0111\u01a1n gi\u1ea3n ch\u1ec9 t\u1ed1n kho\u1ea3ng 5 ph\u00fat. V\u1eabn gi\u1eef l\u1ea1i nh\u00e0 cung c\u1ea5p hosting c\u1ee7a b\u1ea1n nh\u00e9. \u0110\u1ecdc <a href=\"https:\/\/kiencang.net\/huong-dan-su-dung-cloudflare\/\">h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng Cloudflare<\/a> \u0111\u1ec3 bi\u1ebft c\u00e1ch th\u1ef1c hi\u1ec7n chi ti\u1ebft \u0111em l\u1ea1i k\u1ebft qu\u1ea3 t\u1ed1i \u01b0u t\u1ed1t nh\u1ea5t (th\u1ef1c t\u1ebf s\u1ebd t\u1ed1n h\u01a1n 5 ph\u00fat kh\u00e1 nhi\u1ec1u \u0111\u1ea5y \u1ea1).<\/p>\n\n\n<p><em>(D\u1ecbch t\u1eeb b\u00e0i gi\u1edbi thi\u1ec7u v\u1ec1 d\u1ecbch v\u1ee5 t\u1ed1i \u01b0u h\u00f3a web c\u1ee7a Cloudflare)<\/em><\/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\/\">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\/\">T\u00ednh n\u0103ng CDN c\u1ee7a Cloudflare<\/a><\/li><li><a href=\"https:\/\/kiencang.net\/dinh-tuyen-argo-cua-cloudflare\/\">B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn th\u00f4ng minh c\u1ee7a Cloudflare<\/a><\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>T\u1ed1i \u01b0u h\u00f3a website kh\u00f4ng ch\u1ec9 l\u00e0 vi\u1ec7c chuy\u1ec3n c\u00e1c n\u1ed9i dung t\u0129nh \u0111\u1ebfn g\u1ea7n ng\u01b0\u1eddi d\u00f9ng h\u01a1n m\u00e0 th\u00f4i (ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a CDN), n\u00f3 c\u00f2n l\u00e0 vi\u1ec7c \u0111\u1ea3m b\u1ea3o t\u1eebng trang \u0111\u01b0\u1ee3c render (xu\u1ea5t) nhanh v\u00e0 hi\u1ec7u qu\u1ea3 nh\u1ea5t c\u00f3 th\u1ec3 t\u1eeb b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb n\u00e0o m\u00e0 user s\u1eed d\u1ee5ng \u0111\u1ec3 l\u01b0\u1edbt &hellip;<\/p>\n","protected":false},"author":1,"featured_media":13089,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[257],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>D\u1ecbch v\u1ee5 t\u1ed1i \u01b0u h\u00f3a web c\u1ee7a Cloudflare &#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\/toi-uu-hoa-web-cua-cloudflare\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"D\u1ecbch v\u1ee5 t\u1ed1i \u01b0u h\u00f3a web c\u1ee7a Cloudflare &#8226; Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"og:description\" content=\"T\u1ed1i \u01b0u h\u00f3a website kh\u00f4ng ch\u1ec9 l\u00e0 vi\u1ec7c chuy\u1ec3n c\u00e1c n\u1ed9i dung t\u0129nh \u0111\u1ebfn g\u1ea7n ng\u01b0\u1eddi d\u00f9ng h\u01a1n m\u00e0 th\u00f4i (ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a CDN), n\u00f3 c\u00f2n l\u00e0 vi\u1ec7c \u0111\u1ea3m b\u1ea3o t\u1eebng trang \u0111\u01b0\u1ee3c render (xu\u1ea5t) nhanh v\u00e0 hi\u1ec7u qu\u1ea3 nh\u1ea5t c\u00f3 th\u1ec3 t\u1eeb b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb n\u00e0o m\u00e0 user s\u1eed d\u1ee5ng \u0111\u1ec3 l\u01b0\u1edbt &hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kiencang.net\/toi-uu-hoa-web-cua-cloudflare\/\" \/>\n<meta property=\"og:site_name\" content=\"Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/anhducnguyen87\/\" \/>\n<meta property=\"article:published_time\" content=\"2019-01-17T08:49:05+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/01\/toi-uu-hoa-web-cloudflare.png\" \/>\n\t<meta property=\"og:image:width\" content=\"819\" \/>\n\t<meta property=\"og:image:height\" content=\"460\" \/>\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=\"12 ph\u00fat\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"D\u1ecbch v\u1ee5 t\u1ed1i \u01b0u h\u00f3a web c\u1ee7a Cloudflare &#8226; 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