{"id":14277,"date":"2020-06-21T21:43:25","date_gmt":"2020-06-21T14:43:25","guid":{"rendered":"https:\/\/speed.family\/?p=14277"},"modified":"2020-06-21T21:43:25","modified_gmt":"2020-06-21T14:43:25","slug":"hd-plugin-litespeed-cache-p2","status":"publish","type":"post","link":"https:\/\/kiencang.net\/hd-plugin-litespeed-cache-p2\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t plugin LiteSpeed Cache (p2)"},"content":{"rendered":"\n<p>Ti\u1ebfp theo <a href=\"https:\/\/kiencang.net\/hd-plugin-litespeed-cache-p1\/\" target=\"_blank\" rel=\"noreferrer noopener\">ph\u1ea7n 1 v\u1ec1 c\u00e0i \u0111\u1eb7t plugin LiteSpeed Cache chuy\u00ean s\u00e2u<\/a> kh\u00e1 d\u00e0i, t\u00f4i ti\u1ebfp t\u1ee5c d\u1ecbch ph\u1ea7n hai. B\u00e0i vi\u1ebft g\u1ed1c c\u1ee7a t\u00e1c gi\u1ea3 Johnny Nguyen. T\u00f4i c\u00f3 b\u1ed5 sung th\u00eam th\u00f4ng tin m\u1ed9t s\u1ed1 ch\u1ed7 khi th\u1ea5y c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1ea1n \u0111\u1ecdc hi\u1ec3u c\u00e1c t\u00f9y ch\u1ecdn t\u1ed1t h\u01a1n, t\u1eeb \u0111\u00f3 \u0111\u01b0a ra \u0111\u01b0\u1ee3c c\u00e1c l\u1ef1a ch\u1ecdn ch\u00ednh x\u00e1c, ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng website.<\/p>\n\n\n<p>Ph\u1ea7n n\u00e0y l\u00e0 ph\u1ea7n m\u00e0 t\u00f4i c\u00f3 nhi\u1ec1u quan \u0111i\u1ec3m kh\u00e1c bi\u1ec7t v\u1edbi Johnny, ch\u1eb3ng h\u1ea1n anh \u1ea5y kh\u00f4ng bao gi\u1edd th\u00edch r\u00fat g\u1ecdn v\u00e0 g\u1ed9p CSS\/JS, t\u1ea1o <a href=\"https:\/\/kiencang.net\/critical-css-wordpress\/\" target=\"_blank\" aria-label=\"undefined (opens in a new tab)\" rel=\"noreferrer noopener\">critical CSS<\/a> c\u0169ng nh\u01b0 <a href=\"https:\/\/kiencang.net\/lazy-load-anh-va-video\/\" target=\"_blank\" aria-label=\"undefined (opens in a new tab)\" rel=\"noreferrer noopener\">lazy load \u1ea3nh<\/a>. Trong khi t\u00f4i th\u00ec trong \u0111a s\u1ed1 website l\u1ea1i th\u00edch l\u00e0m v\u1eady. OK, m\u1ecdi th\u1ee9 \u0111\u1ec1u \u1ed5n, m\u1ed7i ng\u01b0\u1eddi \u0111\u1ec1u c\u00f3 quan \u0111i\u1ec3m ri\u00eang, quan tr\u1ecdng l\u00e0 b\u1ea1n c\u1ea7n hi\u1ec3u r\u00f5 c\u00e1c t\u00f9y ch\u1ecdn c\u00f3 \u00fd ngh\u0129a nh\u01b0 th\u1ebf n\u00e0o r\u1ed3i t\u1ef1 quy\u1ebft \u0111\u1ecbnh.<\/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-6577d5fed2d3b\" ><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-6577d5fed2d3b\"  type=\"checkbox\" id=\"item-6577d5fed2d3b\"><\/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\/hd-plugin-litespeed-cache-p2\/#CDN_%3E_CDN_Settings\" title=\"CDN &gt; CDN Settings\">CDN &gt; CDN Settings<\/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\/hd-plugin-litespeed-cache-p2\/#CDN_%3E_Manage\" title=\"CDN &gt; Manage\">CDN &gt; Manage<\/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\/hd-plugin-litespeed-cache-p2\/#Image_Optimization_%3E_Image_Optimization_Summary\" title=\"Image Optimization &gt; Image Optimization Summary\">Image Optimization &gt; Image Optimization Summary<\/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\/hd-plugin-litespeed-cache-p2\/#Image_Optimization_%3E_Image_Optimization_Settings\" title=\"Image Optimization &gt; Image Optimization Settings\">Image Optimization &gt; Image Optimization Settings<\/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\/hd-plugin-litespeed-cache-p2\/#Page_Optimization_%3E_CSS_Settings\" title=\"Page Optimization &gt; CSS Settings\">Page Optimization &gt; CSS Settings<\/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\/hd-plugin-litespeed-cache-p2\/#Page_Optimization_%3E_JS_Settings\" title=\"Page Optimization &gt; JS Settings\">Page Optimization &gt; JS Settings<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/kiencang.net\/hd-plugin-litespeed-cache-p2\/#Page_Optimization_%3E_Optimization_Settings\" title=\"Page Optimization &gt; Optimization Settings\">Page Optimization &gt; Optimization Settings<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/kiencang.net\/hd-plugin-litespeed-cache-p2\/#Page_Optimization_%3E_Media_Settings\" title=\"Page Optimization &gt; Media Settings\">Page Optimization &gt; Media Settings<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/kiencang.net\/hd-plugin-litespeed-cache-p2\/#Page_Optimization_%3E_Media_Excludes\" title=\"Page Optimization &gt; Media Excludes\">Page Optimization &gt; Media Excludes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/kiencang.net\/hd-plugin-litespeed-cache-p2\/#Page_Optimization_%3E_Discussion_Settings\" title=\"Page Optimization &gt; Discussion Settings\">Page Optimization &gt; Discussion Settings<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/kiencang.net\/hd-plugin-litespeed-cache-p2\/#Page_Optimization_%3E_Tuning_Settings\" title=\"Page Optimization &gt; Tuning Settings\">Page Optimization &gt; Tuning Settings<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"CDN_%3E_CDN_Settings\"><\/span>CDN &gt; CDN Settings<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"483\" height=\"217\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2020\/06\/cai-dat-CDN.png\" alt=\"c\u00e0i \u0111\u1eb7t CDN\" class=\"wp-image-14356\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2020\/06\/cai-dat-CDN.png 483w, https:\/\/kiencang.net\/wp-content\/uploads\/2020\/06\/cai-dat-CDN-300x135.png 300w\" sizes=\"(max-width: 483px) 100vw, 483px\" \/><\/figure><\/div>\n\n\n<ul><li><strong>QUIC.cloud CDN<\/strong> &#8211; T\u00f4i ngh\u0129 m\u1ecdi ng\u01b0\u1eddi n\u00ean \u0111\u0103ng k\u00fd t\u00e0i kho\u1ea3n mi\u1ec5n ph\u00ed <a href=\"https:\/\/kiencang.net\/quic-cloud-faq\/\" target=\"_blank\" rel=\"noreferrer noopener\">QUIC.cloud<\/a> (QC) cho d\u00f9 b\u1ea1n c\u00f3 b\u1eadt n\u00f3 hay kh\u00f4ng. C\u00e1 nh\u00e2n t\u00f4i th\u00ec kh\u00f4ng b\u1eadt. QC c\u00f3 c\u00e1c t\u00ednh n\u0103ng sau: caching HTML tr\u00ean CDN (c\u1ea7n thi\u1ebft n\u1ebfu m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n ch\u1eadm ho\u1eb7c\/v\u00e0 b\u1ea1n kh\u00f4ng c\u00f3 m\u00e1y ch\u1ee7 LiteSpeed), t\u1ed1i \u01b0u h\u00f3a \u1ea3nh (n\u1ebfu b\u1ea1n mu\u1ed1n s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 n\u00e9n c\u1ee7a LSC thay v\u00ec <a href=\"https:\/\/kiencang.net\/plugin-nen-anh-shortpixel\/\" target=\"_blank\" rel=\"noreferrer noopener\">plugin ShortPixel<\/a>\/Imagify\/v\u00e2n v\u00e2n), t\u1ea1o Critical CSS (t\u00f4i kh\u00f4ng khuy\u1ebfn kh\u00edch CCSS), CDN cho c\u00e1c t\u00e0i nguy\u00ean t\u0129nh (n\u1ebfu b\u1ea1n hi\u1ec7n kh\u00f4ng s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 CDN n\u00e0o kh\u00e1c), v\u00e2n v\u00e2n.<\/li><li><strong>S\u1eed d\u1ee5ng CDN Mapping<\/strong> &#8211; \u0110\u1ec3 ON n\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng CDN (nh\u1eefng ai \u0111ang d\u00f9ng Cloudflare ho\u1eb7c QC n\u00ean b\u1ecf qua l\u1ef1a ch\u1ecdn n\u00e0y).<\/li><li><strong>CDN URL<\/strong> &#8211; Nh\u1eadp v\u00e0o URL CDN v\u00e0 ki\u1ec3u file b\u1ea1n mu\u1ed1n bao g\u1ed3m. \u0110\u01b0\u1eddng d\u1eabn ph\u1ea3i l\u00e0 URL \u0111\u1ea7y \u0111\u1ee7, bao g\u1ed3m c\u1ea3 http:\/\/ ho\u1eb7c https:\/\/. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng nhi\u1ec1u CDN c\u00f9ng l\u00fac (ch\u1eb3ng h\u1ea1n nh\u01b0 b\u1ea1n s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 A cho \u1ea3nh, d\u1ecbch v\u1ee5 B cho video). N\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng nhi\u1ec1u CDN cho c\u00f9ng t\u00e0i nguy\u00ean, n\u00f3 s\u1ebd th\u1ef1c hi\u1ec7n l\u1ef1a ch\u1ecdn ng\u1eabu nhi\u00ean. Ch\u00fa th\u00edch c\u1ee7a ng\u01b0\u1eddi d\u1ecbch: n\u00f3i ri\u00eang v\u1ec1 CDN cho video t\u00f4i th\u1ea5y <a rel=\"noreferrer noopener\" href=\"https:\/\/bunnycdn.com\/\" target=\"_blank\">BunnyCDN<\/a> \u0111\u01b0\u1ee3c m\u1ecdi ng\u01b0\u1eddi khen c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t v\u00e0 gi\u00e1 v\u1eeba ph\u1ea3i. D\u00f9ng CDN cho video c\u0169ng l\u00e0 <a rel=\"noreferrer noopener\" href=\"https:\/\/kiencang.net\/tang-toc-video-youtube-wordpress\/\" target=\"_blank\">c\u00e1ch t\u0103ng t\u1ed1c video t\u1ed1t nh\u1ea5t<\/a> tuy nhi\u00ean kh\u00f4ng r\u1ebb. N\u1ebfu b\u1ea1n v\u1eabn d\u00f9ng YouTube, <a rel=\"noreferrer noopener\" href=\"https:\/\/kiencang.net\/plugin-wp-youtube-lyte\/\" target=\"_blank\">plugin WP YouTube Lyte<\/a> c\u00f3 th\u1ec3 l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t \u0111\u1ec3 gi\u00fap t\u0103ng t\u1ed1c video m\u00e0 v\u1eabn \u0111\u1ea3m b\u1ea3o SEO.<\/li><li><strong>Include File Types<\/strong> &#8211; n\u00f3i th\u00eam v\u1ec1 c\u00e1i n\u00e0y, m\u1eb7c \u0111\u1ecbnh n\u00f3 c\u00f3 c\u00e1c \u0111\u1ecbnh d\u1ea1ng sau: aac, css, eot, gif, jpeg, js, jpg, less, mp3, mp4, ogg, otf, pdf, png, svg, ttf, woff. N\u1ebfu website c\u1ee7a b\u1ea1n s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ecbnh d\u1ea1ng kh\u00e1c th\u00ec b\u1ea1n c\u1ea7n th\u00eam v\u00e0o \u0111\u00e2y \u0111\u1ec3 n\u00f3 \u0111\u01b0\u1ee3c ph\u1ee5c v\u1ee5 qua CDN. Ch\u1eb3ng h\u1ea1n n\u1ebfu b\u1ea1n c\u00f3 <a href=\"https:\/\/kiencang.net\/dinh-dang-anh-webp\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0111\u1ecbnh d\u1ea1ng \u1ea3nh m\u1edbi WebP<\/a>, b\u1ea1n c\u1ea7n th\u00eam .webp v\u00e0o.<\/li><li><strong>HTML Attribute To Replace<\/strong> (thu\u1ed9c t\u00ednh HTML thay th\u1ebf) &#8211; T\u00f4i kh\u00f4ng \u0111\u1ed9ng \u0111\u1ebfn ph\u1ea7n n\u00e0y. Th\u00eam n\u1ebfu b\u1ea1n th\u1ea5y c\u1ea7n thi\u1ebft.<\/li><li><strong>Original URLs<\/strong> (URL g\u1ed1c) &#8211; b\u1ea1n th\u01b0\u1eddng kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i \u0111i\u1ec1u n\u00e0y tr\u1eeb khi trang c\u1ee7a b\u1ea1n tr\u1ea3i d\u00e0i ra nhi\u1ec1u URL. L\u1ea5y v\u00ed d\u1ee5 m\u1ed9t s\u1ed1 trang multi-site ho\u1eb7c trang \u0111a ng\u00f4n ng\u1eef s\u1ebd s\u1eed d\u1ee5ng nhi\u1ec1u t\u00ean mi\u1ec1n ho\u1eb7c t\u00ean mi\u1ec1n ph\u1ee5.<\/li><li><strong>Included Directories<\/strong> (bao g\u1ed3m c\u00e1c th\u01b0 m\u1ee5c) &#8211; m\u1eb7c \u0111\u1ecbnh l\u00e0 \u0111\u00e3 bao g\u1ed3m r\u1ed3i (wp-content, wp-includes) nh\u01b0ng b\u1ea1n c\u1ee9 tho\u1ea3i m\u00e1i th\u00eam c\u00e1c th\u01b0 m\u1ee5c kh\u00e1c m\u00e0 b\u1ea1n mu\u1ed1n.<\/li><li><strong>Exclude Path<\/strong> (\u0111\u01b0\u1eddng d\u1eabn lo\u1ea1i tr\u1eeb) &#8211; \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 lo\u1ea1i tr\u1eeb b\u1ea5t c\u1ee9 th\u01b0 m\u1ee5c n\u00e0o n\u1eb1m trong th\u01b0 m\u1ee5c included k\u1ec3 tr\u00ean. Th\u01b0\u1eddng t\u00f4i \u0111\u1ec3 tr\u1ed1ng ph\u1ea7n n\u00e0y.<\/li><li><strong>Load jQuery Remotely<\/strong> (t\u1ea3i jQuery t\u1eeb c\u00e1c m\u00e1y ch\u1ee7 kh\u00e1c) &#8211; T\u00f4i \u0111\u1ec3 n\u00f3 l\u00e0 OFF nh\u01b0ng b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ec3 n\u00f3 l\u00e0 ON n\u1ebfu th\u1ea5y t\u00f9y ch\u1ecdn \u0111\u00f3 ph\u00f9 h\u1ee3p. Ch\u00fa th\u00edch c\u1ee7a ng\u01b0\u1eddi d\u1ecbch: b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ec3 l\u00e0 Google ho\u1eb7c CDNJS, khi \u1ea5y website c\u1ee7a b\u1ea1n s\u1ebd l\u1ea5y jQuery t\u1eeb \u0111\u00e2y ch\u1ee9 kh\u00f4ng ph\u1ea3i t\u1eeb m\u00e1y ch\u1ee7 hay CDN c\u1ee7a b\u1ea1n n\u1eefa. N\u00f3i chung l\u1eddi khuy\u00ean l\u00e0 th\u1ebf n\u00e0y, n\u1ebfu m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n \u0111\u1ee7 m\u1ea1nh v\u00e0 g\u1ea7n ng\u01b0\u1eddi d\u00f9ng th\u00ec n\u00ean \u0111\u1ec3 OFF. N\u1ebfu m\u00e1y ch\u1ee7 g\u1ed1c c\u1ee7a b\u1ea1n \u1edf xa ng\u01b0\u1eddi d\u00f9ng v\u00e0 b\u1ea1n mu\u1ed1n ti\u1ebft ki\u1ec7m ti\u1ec1n CDN th\u00ec n\u00ean d\u00f9ng (ch\u1ecdn Google ho\u1eb7c CDNJS). Ngo\u00e0i ra, t\u00f9y ch\u1ecdn n\u00e0y ch\u1ec9 c\u00f3 t\u00e1c d\u1ee5ng khi b\u1ea1n kh\u00f4ng g\u1ed9p jQuery v\u00e0o m\u1ed9t file JS chung (t\u00ednh n\u0103ng combine JS)&#8230;Ng\u00e0y x\u01b0a vi\u1ec7c t\u1ea3i jQuery t\u1eeb th\u01b0 vi\u1ec7n d\u00f9ng chung c\u00f2n c\u00f3 th\u1ec3 c\u00f3 t\u00e1c d\u1ee5ng cache ph\u00eda tr\u00ecnh duy\u1ec7t khi m\u00e0 ng\u01b0\u1eddi d\u00f9ng tr\u01b0\u1edbc \u0111\u00f3 \u0111\u00e3 v\u00e0o website n\u00e0o \u0111\u1ea5y kh\u00e1c c\u0169ng s\u1eed d\u1ee5ng th\u01b0 vi\u1ec7n d\u00f9ng chung n\u00e0y. Tuy nhi\u00ean vi\u1ec7c <a aria-label=\"undefined (opens in a new tab)\" href=\"https:\/\/kiencang.net\/trinh-duyet-chrome-phan-vung-http-cache\/\" target=\"_blank\" rel=\"noreferrer noopener\">Chrome thay \u0111\u1ed5i c\u00e1ch cache t\u00e0i nguy\u00ean c\u1ee7a b\u00ean th\u1ee9 ba, t\u00e1c d\u1ee5ng n\u00e0y s\u1ebd kh\u00f4ng c\u00f2n n\u1eefa<\/a> (Safari th\u00ec \u00e1p d\u1ee5ng l\u00e2u r\u1ed3i).<\/li><li><strong>Cloudflare API<\/strong> &#8211; ch\u1ec9 d\u00e0nh cho ng\u01b0\u1eddi d\u00f9ng c\u1ee7a Cloudflare. Nh\u1eadp email, kh\u00f3a API to\u00e0n c\u1ea7u (global API key), v\u00e0 t\u00ean mi\u1ec1n. B\u1eb1ng c\u00e1ch n\u00e0y, LSC s\u1ebd purge (x\u00f3a) cache c\u1ee7a Cloudflare khi LSC purge cache. Ch\u00fa th\u00edch c\u1ee7a ng\u01b0\u1eddi d\u1ecbch: n\u1ebfu b\u1ea1n \u0111\u00e3 d\u00f9ng CDN r\u1ed3i th\u00ec kh\u00f4ng n\u00ean d\u00f9ng Cloudflare n\u1eefa v\u00ec nh\u01b0 v\u1eady s\u1ebd l\u00e0 CDN 2 l\u1ea7n, t\u1ed1n k\u00e9m kh\u00f4ng c\u1ea7n thi\u1ebft ho\u1eb7c kh\u00f4ng \u0111em l\u1ea1i c\u1ea3i thi\u1ec7n c\u00f3 \u00fd ngh\u0129a v\u1ec1 m\u1eb7t t\u1ed1c \u0111\u1ed9.<\/li><\/ul>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"CDN_%3E_Manage\"><\/span>CDN &gt; Manage<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>Ph\u1ea7n n\u00e0y d\u00f9ng \u0111\u1ec3 qu\u1ea3n l\u00fd CDN c\u1ee7a Cloudflare ho\u1eb7c QUIC.cloud. N\u1ebfu b\u1ea1n kh\u00f4ng d\u00f9ng th\u00ec kh\u00f4ng c\u1ea7n quan t\u00e2m. \u0110\u1ec3 qu\u1ea3n l\u00fd QUIC.cloud b\u1ea1n c\u1ea7n \u0111\u0103ng k\u00fd t\u00e0i kho\u1ea3n \u1edf \u0111\u00e2y v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c t\u00f9y ch\u1ecdn tr\u00ean \u0111\u00f3.<\/p>\n\n\n<ul><li><strong>Cloudflare<\/strong> &#8211; t\u00f4i kh\u00f4ng \u0111\u1ed9ng \u0111\u1ebfn ph\u1ea7n n\u00e0y.<\/li><li><strong>Development <\/strong>&#8211; \u0111\u00e2y l\u00e0 c\u00e1ch ti\u1ec7n l\u1ee3i \u0111\u1ec3 b\u1ea1n v\u00f4 hi\u1ec7u h\u00f3a Cloudflare m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i \u0111\u0103ng nh\u1eadp v\u00e0 v\u00e3 m\u1ed3 h\u1ed3i v\u1edbi x\u00e1c th\u1ef1c 2 y\u1ebfu t\u1ed1\/2-FA security (haha)<\/li><li><strong>Cloudflare Cache<\/strong> &#8211; c\u00e1ch ti\u1ec7n l\u1ee3i \u0111\u1ec3 x\u00f3a (purge) cache c\u1ee7a Cloudflare (nh\u01b0ng kh\u00f4ng x\u00f3a LSC cache c\u1ee7a b\u1ea1n), c\u0169ng c\u00f3 \u00edch khi b\u1ea1n c\u1eadp nh\u1eadt m\u1ed9t s\u1ed1 \u1ea3nh ho\u1eb7c t\u00e0i nguy\u00ean n\u00e0o kh\u00e1c v\u00e0 mu\u1ed1n thay \u0111\u1ed5i n\u00e0y hi\u1ec3n th\u1ecb ngay l\u1eadp t\u1ee9c.<\/li><\/ul>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Image_Optimization_%3E_Image_Optimization_Summary\"><\/span>Image Optimization &gt; Image Optimization Summary<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p><a href=\"https:\/\/kiencang.net\/toi-uu-anh-litespeed\/\" target=\"_blank\" rel=\"noreferrer noopener\">D\u1ecbch v\u1ee5 t\u1ed1i \u01b0u h\u00f3a \u1ea3nh mi\u1ec5n ph\u00ed c\u1ee7a LiteSpeed th\u1eadt tuy\u1ec7t v\u1eddi<\/a> v\u00e0 d\u1ec5 d\u00f9ng! N\u00f3 th\u1ef1c s\u1ef1 l\u00e0m t\u00f4i kinh ng\u1ea1c. R\u1ea5t d\u1ec5 s\u1eed d\u1ee5ng. C\u00f3 \u0111\u1ea7y \u0111\u1ee7 t\u00ednh n\u0103ng m\u00e0 <a href=\"https:\/\/kiencang.net\/plugin-nen-anh-wordpress\/\">c\u00e1c p<\/a><a href=\"https:\/\/kiencang.net\/plugin-nen-anh-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">l<\/a><a href=\"https:\/\/kiencang.net\/plugin-nen-anh-wordpress\/\">ugin n\u00e9n \u1ea3nh ch\u1ea5t l\u01b0\u1ee3ng<\/a> h\u00e0ng \u0111\u1ea7u hi\u1ec7n c\u00f3. V\u00e0 LiteSpeed Cache l\u00e0m c\u00f4ng vi\u1ec7c \u0111\u00f3 ho\u00e0n to\u00e0n MI\u1ec4N PH\u00cd!<\/p>\n\n\n<ul><li><strong>Gather Image Data \/ Send Optimization Request<\/strong> (thu th\u1eadp d\u1eef li\u1ec7u h\u00ecnh \u1ea3nh \/ g\u1eedi y\u00eau c\u1ea7u t\u1ed1i \u01b0u h\u00f3a) &#8211; click v\u00e0o ph\u1ea7n n\u00e0y \u0111\u1ec3 y\u00eau c\u1ea7u t\u1ed1i \u01b0u h\u00ecnh \u1ea3nh mi\u1ec5n ph\u00ed.<\/li><li><strong>Pull Images<\/strong> (k\u00e9o \u1ea3nh) &#8211; khi \u1ea3nh n\u00e9n c\u1ee7a b\u1ea1n \u0111\u00e3 s\u1eb5n s\u00e0ng, click v\u00e0o \u0111\u00e2y \u0111\u1ec3 t\u1ea3i ch\u00fang v\u1ec1 trang web c\u1ee7a b\u1ea1n. (\u1ea2nh g\u1ed1c c\u1ee7a b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o th\u01b0 m\u1ee5c backup; t\u00f4i \u0111o\u00e1n l\u00e0 n\u00f3 n\u1eb1m \u1edf \u0111\u00e2u \u0111\u00f3 trong &#8220;wp-content\/uploads&#8221;).<\/li><li><strong>Clean Up Unfinished Data<\/strong> (d\u1ecdn d\u1eb9p d\u1eef li\u1ec7u ch\u01b0a ho\u00e0n th\u00e0nh) &#8211; click v\u00e0o \u0111\u00e2y khi m\u1ed9t s\u1ed1 qu\u00e1 tr\u00ecnh n\u00e9n b\u1ecb t\u1eafc ngh\u1ebdn v\u00e0 kh\u00f4ng bao gi\u1edd ho\u00e0n th\u00e0nh, sau \u0111\u00f3 b\u1ea1n c\u00f3 th\u1ec3 g\u1eedi c\u00e1c y\u00eau c\u1ea7u kh\u00e1c.<\/li><li><strong>Calculate Backups Disk Space<\/strong> (t\u00ednh to\u00e1n kh\u00f4ng gian d\u1eef li\u1ec7u d\u00f9ng v\u00e0o vi\u1ec7c backup) &#8211; c\u00f4ng c\u1ee5 ti\u1ec7n l\u1ee3i n\u00e0y n\u00f3i cho b\u1ea1n bi\u1ebft th\u01b0 m\u1ee5c backup hi\u1ec7n chi\u1ebfm bao nhi\u00eau dung l\u01b0\u1ee3ng. B\u1ea1n c\u00f3 th\u1ec3 t\u1ea3i ch\u00fang xu\u1ed1ng t\u1eeb m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n v\u1ec1 m\u00e1y t\u00ednh c\u00e1 nh\u00e2n v\u00e0 x\u00f3a n\u00f3 tr\u00ean server \u0111\u1ec3 ti\u1ebft ki\u1ec7m kh\u00f4ng gian.<\/li><li><strong>Remove Original Image Backups<\/strong> (lo\u1ea1i b\u1ecf \u1ea3nh backup g\u1ed1c) &#8211; ch\u1ec9 l\u00e0m \u0111i\u1ec1u n\u00e0y sau khi b\u1ea1n backup s\u1eed d\u1ee5ng t\u00f9y ch\u1ecdn tr\u01b0\u1edbc \u0111\u00f3.<\/li><li><strong>Rescan New Thumbnails<\/strong> (qu\u00e9t l\u1ea1i c\u00e1c thumbnails m\u1edbi) &#8211; n\u1ebfu b\u1ea1n th\u1ef1c hi\u1ec7n thay \u0111\u1ed5i v\u1edbi c\u00e1c \u1ea3nh \u0111\u00e3 t\u1ed3n t\u1ea1i tr\u01b0\u1edbc \u0111\u00f3, click v\u00e0o \u0111\u00e2y \u0111\u1ec3 LSC nh\u1eadn ra ch\u00fang. <\/li><li><strong>Use Original Files &amp; Use Optimized Files<\/strong> (s\u1eed d\u1ee5ng file g\u1ed1c &amp; s\u1eed d\u1ee5ng file \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a) &#8211; t\u00ednh n\u0103ng n\u00e0y m\u1edbi hay l\u00e0m sao! B\u1ea1n c\u00f3 th\u1ec3 chuy\u1ec3n qua l\u1ea1i \u0111\u1ec3 th\u1ea5y \u0111\u01b0\u1ee3c s\u1ef1 kh\u00e1c bi\u1ec7t. Ho\u1eb7c n\u1ebfu b\u1ea1n mu\u1ed1n ho\u00e0n nguy\u00ean v\u1ec1 nh\u01b0 c\u0169 nhanh ch\u00f3ng. N\u1ebfu b\u1ea1n mu\u1ed1n ho\u00e0n nguy\u00ean c\u00e1c \u1ea3nh c\u1ee5 th\u1ec3, b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111i\u1ec1u \u0111\u00f3 t\u1eeb th\u01b0 m\u1ee5c media.<\/li><li><strong>Destroy All Optimization Data<\/strong> (ph\u00e1 h\u1ee7y t\u1ea5t c\u1ea3 d\u1eef li\u1ec7u t\u1ed1i \u01b0u h\u00f3a) &#8211; trong tr\u01b0\u1eddng h\u1ee3p b\u1ea1n kh\u00f4ng th\u00edch k\u1ebft qu\u1ea3 n\u00e9n c\u1ee7a LSC v\u00e0 b\u1ea1n mu\u1ed1n quay l\u1ea1i d\u00f9ng c\u00e1c \u1ea3nh g\u1ed1c.<\/li><\/ul>\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Image_Optimization_%3E_Image_Optimization_Settings\"><\/span>Image Optimization &gt; Image Optimization Settings<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<ul><li><strong>Auto Request Cron <\/strong>&#8211; \u0111\u1ec3 n\u00f3 l\u00e0 ON n\u1ebfu b\u1ea1n mu\u1ed1n trang c\u1ee7a b\u1ea1n t\u1ef1 \u0111\u1ed9ng y\u00eau c\u1ea7u t\u1ed1i \u01b0u h\u00f3a cho t\u1ea5t c\u1ea3 c\u00e1c \u1ea3nh m\u1edbi \u0111\u01b0\u1ee3c th\u00eam v\u00e0o.<\/li><li><strong>Auto Pull Cron<\/strong> &#8211; \u0111\u1ec3 n\u00f3 l\u00e0 ON n\u1ebfu b\u1ea1n mu\u1ed1n t\u1ef1 \u0111\u1ed9ng t\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c \u1ea3nh \u0111\u00e3 t\u1ed1i \u01b0u v\u1ec1 trang c\u1ee7a b\u1ea1n. T\u00f4i cho r\u1eb1ng t\u00f9y ch\u1ecdn n\u00e0y v\u00e0 t\u00f9y ch\u1ecdn ngay b\u00ean tr\u00ean n\u00ean \u0111\u1ec3 gi\u1ed1ng nhau (cho d\u00f9 l\u00e0 ON hay OFF).<\/li><li><strong>Optimize Original Images<\/strong> (t\u1ed1i \u01b0u h\u00f3a c\u00e1c \u1ea3nh g\u1ed1c v\u00e0 l\u01b0u file backup trong c\u00f9ng th\u01b0 m\u1ee5c) &#8211; c\u00f3 l\u1ebd n\u00ean \u0111\u1ec3 ON.<\/li><li><strong>Remove Original Backups<\/strong> (x\u00f3a \u1ea3nh backup g\u1ed1c) &#8211; OFF (t\u1ee9c l\u00e0 KH\u00d4NG x\u00f3a) tr\u1eeb khi b\u1ea1n ch\u1eafc ch\u1eafn 100% r\u1eb1ng b\u1ea1n h\u00e0i l\u00f2ng v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng \u1ea3nh m\u00e0 b\u1ea1n \u0111\u1ec3 LiteSpees Cache t\u1ed1i \u01b0u. Khi t\u00f9y ch\u1ecdn n\u00e0y \u0111\u01b0\u1ee3c b\u1eadt n\u00f3 s\u1ebd t\u1ef1 \u0111\u1ed9ng x\u00f3a \u1ea3nh g\u1ed1c c\u1ee7a b\u1ea1n sau khi t\u1ed1i \u01b0u (v\u00e0 b\u1ea1n kh\u00f4ng th\u1ec3 kh\u00f4i ph\u1ee5c l\u1ea1i \u1ea3nh g\u1ed1c \u0111\u01b0\u1ee3c n\u1eefa).<\/li><li><strong>Optimize WebP Versions<\/strong> (t\u1ed1i \u01b0u \u0111\u1ecbnh d\u1ea1ng \u1ea3nh webp) &#8211; t\u00f4i \u0111\u1ec3 n\u00f3 OFF, nh\u01b0ng b\u1ea1n c\u1ee9 tho\u1ea3i m\u00e1i th\u1eed nghi\u1ec7m v\u1edbi t\u00f9y ch\u1ecdn ON n\u1ebfu b\u1ea1n c\u00f3 nhi\u1ec1u th\u1eddi gian. PS: t\u00f9y ch\u1ecdn n\u00e0y trong phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t hi\u1ec7n kh\u00f4ng c\u00f2n.<\/li><li><strong>Optimize Losslessly<\/strong> (t\u1ed1i \u01b0u kh\u00f4ng m\u1ea5t ch\u1ea5t l\u01b0\u1ee3ng) &#8211; \u0111\u00e2y l\u00e0 c\u00e1ch n\u00e9n \u1ea3nh an to\u00e0n khi ch\u1ea5t l\u01b0\u1ee3ng \u1ea3nh kh\u00f4ng b\u1ecb suy gi\u1ea3m ch\u00fat n\u00e0o nh\u01b0ng k\u00edch c\u1ee1 \u1ea3nh kh\u00f4ng gi\u1ea3m \u0111\u01b0\u1ee3c nhi\u1ec1u. D\u00f9 v\u1eady c\u00e1c b\u1ee9c \u1ea3nh r\u1ea5t l\u1edbn s\u1ebd v\u1eabn nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 l\u1ee3i \u00edch n\u00e0o \u0111\u1ea5y.<\/li><li><strong>Preserve EXIF data<\/strong> (gi\u1eef l\u1ea1i d\u1eef li\u1ec7u EXIF) &#8211; OFF, tr\u1eeb khi b\u1ea1n c\u1ea7n th\u00f4ng tin n\u00e0y ho\u1eb7c mu\u1ed1n hi\u1ec3n th\u1ecb ch\u00fang tr\u00ean giao di\u1ec7n b\u00ean ngo\u00e0i (frontend) th\u00f4ng qua plugin. EXIF l\u00e0 m\u1ea5y th\u00f4ng tin ki\u1ec3u nh\u01b0 ng\u00e0y th\u00e1ng, \u0111\u1ecba \u0111i\u1ec3m ch\u1ee5p, lo\u1ea1i m\u00e1y&#8230;th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1eafn k\u00e8m v\u1edbi \u1ea3nh ch\u1ee5p.<\/li><li><strong>Create WebP Versions<\/strong>\u00a0(t\u1ea1o <a href=\"https:\/\/kiencang.net\/dinh-dang-anh-webp\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u1ea3nh \u0111\u1ecbnh d\u1ea1ng webp<\/a>) &#8211; c\u00e1 nh\u00e2n t\u00f4i kh\u00f4ng s\u1eed d\u1ee5ng \u0111\u1ecbnh d\u1ea1ng WebP nh\u01b0ng n\u00f3 th\u1ef1c s\u1ef1 cho h\u1ec7 s\u1ed1 n\u00e9n t\u1ed1t v\u00e0 k\u00edch c\u1ee1 file \u1ea3nh nh\u1ecf h\u01a1n so v\u1edbi JPEG\/PNG. \u0110\u1ec3 n\u00f3 l\u00e0 ON n\u1ebfu b\u1ea1n mu\u1ed1n. Nh\u01b0\u1ee3c \u0111i\u1ec3m n\u1ebfu b\u1ea1n b\u1eadt t\u00f9y ch\u1ecdn n\u00e0y c\u00f3 l\u1ebd l\u00e0 trang c\u1ee7a b\u1ea1n s\u1ebd ph\u1ea3i t\u1ea1o nhi\u1ec1u \u1ea3nh h\u01a1n v\u00e0 chi\u1ebfm kh\u00f4ng gian \u1ed5 c\u1ee9ng&#8230;ho\u1eb7c \u1ea3nh tr\u00ean trang c\u1ee7a b\u1ea1n s\u1ebd kh\u00f4ng d\u1ec5 t\u1ea3i v\u1ec1 \u0111\u1ec3 xem tr\u00ean c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c (m\u00e0 kh\u00f4ng h\u1ed7 tr\u1ee3 WebP).<\/li><li><strong>Image WebP Replacement<\/strong> (thay th\u1ebf \u1ea3nh th\u00f4ng th\u01b0\u1eddng b\u1eb1ng \u0111\u1ecbnh d\u1ea1ng webp). M\u1eb7c \u0111\u1ecbnh \u0111\u1ec3 OFF. T\u00f4i cho r\u1eb1ng b\u1ea1n n\u00ean \u0111\u1ec3 t\u00f9y ch\u1ecdn n\u00e0y l\u00e0 ON n\u1ebfu b\u1ea1n c\u00f3 t\u1ea1o \u0111\u1ecbnh d\u1ea1ng \u1ea3nh WebP \u1edf t\u00f9y ch\u1ecdn tr\u00ean.<\/li><li><strong>WebP Attribute To Replace<\/strong> (thay th\u1ebf thu\u1ed9c t\u00ednh c\u1ee7a webp) &#8211; \u0111\u00e2y l\u00e0 c\u00e1ch hay \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh c\u00e1c \u1ea3nh n\u00e0o s\u1ebd \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng \u0111\u1ecbnh d\u1ea1ng WebP. \u0110\u00e2y l\u00e0 c\u00e1ch kh\u00e1c \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 l\u01b0u tr\u1eef c\u1ee7a m\u00e1y ch\u1ee7 n\u1ebfu b\u1ea1n mu\u1ed1n nh\u1eadn \u0111\u01b0\u1ee3c l\u1ee3i \u00edch c\u1ee7a WebP ch\u1ec9 t\u1eeb m\u1ed9t s\u1ed1 \u1ea3nh (ch\u1eb3ng h\u1ea1n nh\u01b0 ch\u1ec9 t\u1eeb c\u00e1c \u1ea3nh th\u1ef1c s\u1ef1 l\u1edbn, v\u00e0 c\u00f3 th\u1ec3 l\u00e0 ch\u00fang s\u1eed d\u1ee5ng hi\u1ec7u \u1ee9ng trong su\u1ed1t?)<\/li><li><strong>WebP For Extra srcset<\/strong> &#8211; \u0111\u00e2y l\u00e0 c\u00e1ch hay \u0111\u1ec3 b\u1ea1n k\u00edch ho\u1ea1t thay th\u1ebf h\u00ecnh \u1ea3nh WebP cho c\u00e1c \u1ea3nh kh\u00f4ng \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd th\u00f4ng qua th\u01b0 vi\u1ec7n \u0111a ph\u01b0\u01a1ng ti\u1ec7n (media library) c\u1ee7a WordPress.<\/li><li><strong>WordPress Image Quality Control\u00a0<\/strong>(ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng \u1ea3nh WordPress) &#8211; s\u1eed d\u1ee5ng m\u1eb7c \u0111\u1ecbnh 82, ho\u1eb7c ki\u1ec3m tra c\u00e1c t\u00f9y ch\u1ecdn cao h\u01a1n ho\u1eb7c th\u1ea5p h\u01a1n n\u1ebfu b\u1ea1n mu\u1ed1n.<\/li><\/ul>\n\n\n<p>Ch\u00fa th\u00edch c\u1ee7a ng\u01b0\u1eddi d\u1ecbch: <a href=\"https:\/\/kiencang.net\/dinh-dang-anh-webp\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0111\u1ecbnh d\u1ea1ng \u1ea3nh WebP<\/a> r\u1ea5t th\u00fa v\u1ecb, n\u00f3 l\u00e0 \u0111\u1ecbnh d\u1ea1ng \u1ea3nh c\u00f3 dung l\u01b0\u1ee3ng th\u1ea5p nh\u1ea5t hi\u1ec7n nay khi so v\u1edbi \u1ea3nh JPG, PNG,&#8230;v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng. Tuy nhi\u00ean v\u1ea5n \u0111\u1ebf c\u1ee7a WebP l\u00e0 n\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c tr\u00ecnh duy\u1ec7t, \u0111\u1eb7c bi\u1ec7t l\u00e0 Safari (iPhone, MAC), do v\u1eady ng\u01b0\u1eddi qu\u1ea3n tr\u1ecb web ph\u1ea3i s\u1eed d\u1ee5ng song song hai \u0111\u1ecbnh d\u1ea1ng v\u00e0 c\u1ea7n b\u1ed5 sung m\u00e3 ph\u00e1t hi\u1ec7n tr\u00ecnh duy\u1ec7t \u0111\u1ec3 \u0111\u01b0a ra \u0111\u1ecbnh d\u1ea1ng \u1ea3nh th\u00edch h\u1ee3p cho t\u1eebng tr\u00ecnh duy\u1ec7t. \u0110i\u1ec1u n\u00e0y s\u1ebd t\u01b0\u01a1ng \u0111\u1ed1i r\u1eafc r\u1ed1i khi tri\u1ec3n khai tr\u00ean NGINX, nh\u01b0ng may cho ch\u00fang ta LiteSpeed Cache l\u1ea1i l\u00e0m \u0111i\u1ec1u n\u00e0y r\u1ea5t t\u1ed1t. C\u00e1 nh\u00e2n t\u00f4i \u1edf th\u1eddi \u0111i\u1ec3m hi\u1ec7n t\u1ea1i kh\u00f4ng m\u1eb7n m\u00e0 l\u1eafm v\u1edbi WebP d\u00f9 ng\u00e0y x\u01b0a b\u1ecf c\u00f4ng t\u00ecm hi\u1ec3u n\u00f3 r\u1ea5t nhi\u1ec1u (n\u1ebfu Safari c\u0169ng h\u1ed7 tr\u1ee3 WebP th\u00ec quan \u0111i\u1ec3m c\u1ee7a t\u00f4i s\u1ebd kh\u00e1c) v\u00ec n\u00f3 c\u00f3 th\u1ec3 \u0111em \u0111\u1ebfn c\u00e1c r\u1eafc r\u1ed1i kh\u00f4ng l\u01b0\u1eddng tr\u01b0\u1edbc \u0111\u01b0\u1ee3c.<\/p>\n\n\n<p>Tin m\u1edbi: Safari \u0111\u00e3 b\u1eaft \u0111\u1ea7u h\u1ed7 tr\u1ee3 webp!<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Page_Optimization_%3E_CSS_Settings\"><\/span>Page Optimization &gt; CSS Settings<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>Ph\u1ea7n \u0111a c\u00e1c b\u1ea1n s\u1ebd nh\u1eadn th\u1ea5y nhi\u1ec1u t\u00f9y ch\u1ecdn th\u00fa v\u1ecb trong m\u1ee5c n\u00e0y n\u00e0y \u0111\u00e3 c\u00f3 \u1edf plugin caching\/t\u1ed1i \u01b0u h\u00f3a kh\u00e1c r\u1ed3i. L\u1eddi khuy\u00ean c\u1ee7a t\u00f4i l\u00e0 h\u00e3y c\u1ea9n th\u1eadn! h\u1ea7u h\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn caching c\u00f3 nguy\u00ean nh\u00e2n t\u1eeb nh\u1eefng l\u1ef1a ch\u1ecdn n\u00e0y.<\/p>\n\n\n<p>V\u00ec m\u1ed9t s\u1ed1 l\u00fd do, trong \u0111a s\u1ed1 tr\u01b0\u1eddng h\u1ee3p c\u00e1c b\u1ea1n kh\u00f4ng n\u00ean t\u1ed1i thi\u1ec3u h\u00f3a\/r\u00fat g\u1ecdn (minifying) ho\u1eb7c k\u1ebft h\u1ee3p (combining) c\u00e1c file CSS\/JS. Minifying l\u00e0m m\u00e1y ch\u1ee7 ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng nhi\u1ec1u h\u01a1n v\u00e0 l\u00e0m ch\u1eadm l\u01b0\u1ee3t gh\u00e9 th\u0103m \u0111\u1ea7u (initial visit). N\u00f3 s\u1ebd t\u1ed1t n\u1ebfu b\u1ea1n c\u00f3 r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi truy c\u1eadp.<\/p>\n\n\n<p>Nh\u01b0ng n\u1ebfu b\u1ea1n v\u1eabn mu\u1ed1n r\u00fat g\u1ecdn m\u00e3 th\u00ec \u0111\u1eebng d\u00f9ng t\u00ednh n\u0103ng c\u00f3 s\u1eb5n trong plugin n\u00e0y&#8230;t\u1ed1t h\u01a1n l\u00e0 th\u1ef1c hi\u1ec7n \u0111i\u1ec1u \u0111\u00f3 th\u00f4ng qua Cloudflare ho\u1eb7c CDN kh\u00e1c- v\u1ed1n \u0111\u00e3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd tr\u00ean m\u00e1y ch\u1ee7 c\u1ee7a h\u1ecd \u1edf c\u1ea5p \u0111\u1ed9 DNS. N\u1ebfu trang c\u1ee7a b\u1ea1n \u0111\u00e3 g\u1ecdn g\u00e0ng r\u1ed3i (lean already), r\u00fat g\u1ecdn s\u1ebd kh\u00f4ng \u0111em l\u1ea1i \u1ea3nh h\u01b0\u1edfng t\u00edch c\u1ef1c n\u00e0o \u0111\u00e1ng ch\u00fa \u00fd c\u1ea3. K\u1ebft h\u1ee3p CSS ho\u1eb7c JS th\u1ef1c s\u1ef1 kh\u00f4ng n\u00ean l\u00e0m b\u1edfi v\u00ec n\u00f3 th\u01b0\u1eddng g\u00e2y ra l\u1ed7i v\u00e0 c\u0169ng ch\u1eb3ng \u0111em l\u1ea1i kh\u1ea3 n\u0103ng c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 \u0111\u00e1ng k\u1ec3.<\/p>\n\n\n<p><strong>PS<\/strong>: b\u1ea1n n\u00e0o mu\u1ed1n tham kh\u1ea3o <a href=\"https:\/\/kiencang.net\/page-optimization-litespeed-cache\/\" target=\"_blank\" rel=\"noreferrer noopener\">t\u00e0i li\u1ec7u ch\u00ednh th\u1ee9c c\u1ee7a LiteSpeed v\u1ec1 ph\u1ea7n Page Optimization th\u00ec tham kh\u1ea3o b\u00e0i n\u00e0y<\/a>.<\/p>\n\n\n<ul><li><strong>CSS Minify<\/strong> (t\u1ed1i thi\u1ec3u h\u00f3a CSS) &#8211; OFF. S\u1eed d\u1ee5ng Cloudflare ho\u1eb7c t\u1eeb d\u1ecbch v\u1ee5 CDN n\u1ebfu b\u1ea1n mu\u1ed1n.<\/li><li><strong>CSS Combine<\/strong> (k\u1ebft h\u1ee3p CSS) &#8211; OFF l\u00e0 an to\u00e0n nh\u1ea5t. N\u1ebfu b\u1ea1n mu\u1ed1n b\u1eadt, h\u00e3y ki\u1ec3m tra c\u1ea9n th\u1eadn!<\/li><li><strong>CSS HTTP\/2 Push<\/strong> &#8211; OFF l\u00e0 an to\u00e0n nh\u1ea5t, d\u00f9 b\u1ea1n c\u00f3 \u0111\u1ec3 ON n\u00f3 c\u0169ng kh\u00f4ng t\u1ea1o ra nhi\u1ec1u kh\u00e1c bi\u1ec7t tr\u00ean \u0111a s\u1ed1 c\u00e1c trang.<\/li><li><strong>Load CSS Asynchronously<\/strong> &#8211; \u0111\u1ec3 n\u00f3 l\u00e0 OFF n\u1ebfu kh\u00f4ng b\u1ea1n s\u1ebd g\u1eb7p v\u1ea5n \u0111\u1ec1 FOUC. \u0110\u1ec3 ON ch\u1eafc ch\u1eafn s\u1ebd gi\u00fap b\u1ea1n c\u1ea3i thi\u1ec7n \u0111i\u1ec3m s\u1ed1 Pingdom\/GTmetrix nh\u01b0ng s\u1ebd g\u00e2y \u1ea3nh h\u01b0\u1edfng x\u1ea5u \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng.<\/li><li><strong>Generate Critical CSS<\/strong> &#8211; OFF! <a rel=\"noreferrer noopener\" href=\"https:\/\/kiencang.net\/co-nen-dung-critical-css\/\" target=\"_blank\">t\u00f4i ch\u1eb3ng h\u00e0o h\u1ee9ng g\u00ec v\u1edbi critical CSS<\/a>.<\/li><li><strong>Generate Critical CSS In Background<\/strong> &#8211; t\u00f9y thu\u1ed9c v\u00e0o ph\u1ea7n tr\u00ean b\u1ea1n ch\u1ecdn l\u00e0 g\u00ec, hai c\u00e1i n\u00ean \u0111\u1ec3 gi\u1ed1ng nhau.<\/li><li><strong>Separate CCSS Cache Post Types<\/strong> &#8211; n\u1ebfu s\u1eed d\u1ee5ng critical CSS, b\u1ea1n n\u00ean li\u1ec7t k\u00ea t\u1ea5t c\u1ea3 c\u00e1c ki\u1ec3u post m\u00e0 n\u00f3 c\u00f3 thi\u1ebft k\u1ebf v\u00e0 CSS ri\u00eang (v\u00ed d\u1ee5 t\u1ed1t \u0111\u00f3 l\u00e0 trang s\u1ea3n ph\u1ea9m, th\u01b0 m\u1ee5c c\u1ee7a WooCommerce, trang k\u00e8m b\u1ea3ng gi\u00e1, v\u00e2n v\u00e2n).<\/li><li><strong>Separate CCSS Cache URIs<\/strong> &#8211; \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng t\u01b0\u01a1ng t\u1ef1 t\u00f9y ch\u1ecdn tr\u01b0\u1edbc nh\u01b0ng cho c\u00e1c URL ri\u00eang l\u1ebb. C\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c d\u00f9ng cho b\u1ea5t k\u1ef3 trang c\u1ee5 th\u1ec3 n\u00e0o s\u1eed d\u1ee5ng CSS kh\u00e1c t\u1eeb trang kh\u00e1c.<\/li><li><strong>Inline CSS Async Lib<\/strong> &#8211; OFF! CSS th\u1ef1c ch\u1ea5t n\u00ean ch\u1eb7n hi\u1ec3n th\u1ecb (render-blocking) n\u1ebfu kh\u00f4ng b\u1ea1n s\u1ebd g\u1eb7p c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 FOUC.<\/li><li><strong>Font Display Optimization<\/strong> (t\u1ed1i \u01b0u h\u00f3a hi\u1ec3n th\u1ecb font) &#8211; d\u01b0\u1edbi quan \u0111i\u1ec3m v\u1ec1 giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng c\u1ee7a t\u00f4i, b\u1ea1n ch\u1ec9 n\u00ean s\u1eed d\u1ee5ng Default ho\u1eb7c Block. Kh\u00f4ng bao gi\u1edd n\u00ean d\u00f9ng Swap ho\u1eb7c Fallback, v\u00ec ch\u00fang l\u00e0 nguy\u00ean nh\u00e2n g\u00e2y ra v\u1ea5n \u0111\u1ec1 FOUT!<\/li><\/ul>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Page_Optimization_%3E_JS_Settings\"><\/span>Page Optimization &gt; JS Settings<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<ul><li><strong>JS Minify<\/strong> (gi\u1ea3m thi\u1ec3u JS) &#8211; OFF. S\u1eed d\u1ee5ng Cloudflare ho\u1eb7c t\u1eeb CDN c\u1ee7a b\u1ea1n n\u1ebfu b\u1ea1n th\u00edch t\u00ednh n\u0103ng n\u00e0y.<\/li><li><strong>JS combine<\/strong> (k\u1ebft h\u1ee3p JS) &#8211; \u0111\u1ec3 OFF l\u00e0 an to\u00e0n nh\u1ea5t. N\u1ebfu b\u1ea1n mu\u1ed1n b\u1eadt, h\u00e3y ki\u1ec3m tra c\u1ea9n th\u1eadn!<\/li><li><strong>JS HTTP\/2 Push<\/strong> &#8211; \u0111\u1ec3 OFF l\u00e0 an to\u00e0n nh\u1ea5t, \u0111\u1ec3 ON c\u0169ng kh\u00f4ng t\u1ea1o ra nhi\u1ec1u kh\u00e1c bi\u1ec7t v\u1edbi h\u1ea7u h\u1ebft website.<\/li><li><strong>Load JS Deferred<\/strong> &#8211; OFF l\u00e0 an to\u00e0n nh\u1ea5t. M\u1ed9t s\u1ed1 JS c\u1ea7n d\u00f9ng cho c\u00e1c t\u00e0i nguy\u00ean quan tr\u1ecdng tr\u00ean m\u00e0n h\u00ecnh \u0111\u1ea7u ti\u00ean v\u00e0 kh\u00f4ng n\u00ean defer.<\/li><li><strong>Load Inline JS<\/strong> &#8211; \u0111\u1ec3 nh\u01b0 M\u1eb6C \u0110\u1ecaNH l\u00e0 an to\u00e0n nh\u1ea5t. Defer ho\u1eb7c tr\u00ec ho\u00e3n cho \u0111\u1ebfn khi DOM t\u1ea3i xong c\u00f3 th\u1ec3 gi\u00fap c\u1ea3i thi\u1ec7n \u0111i\u1ec3m s\u1ed1 trang ho\u1eb7c gi\u00fap c\u00e1c JS \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a kh\u00e1c ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng&#8230;nh\u01b0ng n\u00f3 c\u0169ng c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i thi\u1ebft k\u1ebf ho\u1eb7c ch\u1ee9c n\u0103ng c\u1ee7a website.<\/li><li><strong>Exclude JQuery<\/strong> &#8211; ON l\u00e0 an to\u00e0n nh\u1ea5t. B\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ec3 l\u00e0 OFF (cho ph\u00e9p tr\u00ecnh t\u1ed1i \u01b0u h\u00f3a JS \u00e1p d\u1ee5ng v\u1edbi c\u1ea3 th\u01b0 vi\u1ec7n jQuery) n\u1ebfu b\u1ea1n ki\u1ec3m tra c\u1ea9n th\u1eadn v\u00e0 th\u1ea5y website kh\u00f4ng g\u1eb7p v\u1ea5n \u0111\u1ec1 g\u00ec.<\/li><\/ul>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Page_Optimization_%3E_Optimization_Settings\"><\/span>Page Optimization &gt; Optimization Settings<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<ul><li><strong>CSS\/JS Cache TTL<\/strong> &#8211; \u0111\u1ec3 nh\u01b0 m\u1eb7c \u0111\u1ecbnh l\u00e0 \u0111\u1ee7 an to\u00e0n. S\u1eed d\u1ee5ng qu\u00e3ng th\u1eddi gian ng\u1eafn h\u01a1n n\u1ebfu b\u1ea1n th\u1ef1c hi\u1ec7n nhi\u1ec1u thay \u0111\u1ed5i. Ho\u1eb7c d\u00e0i h\u01a1n n\u1ebfu b\u1ea1n \u00edt thay \u0111\u1ed5i thi\u1ebft k\u1ebf.<\/li><li><strong>HTML Minify<\/strong> &#8211; OFF. Th\u1ef1c hi\u1ec7n \u0111i\u1ec1u n\u00e0y th\u00f4ng qua Cloudflare ho\u1eb7c CDN n\u1ebfu b\u1ea1n mu\u1ed1n.<\/li><li><strong>Inline CSS Minify<\/strong> &#8211; OFF. Kh\u00f4ng t\u1ea1o ra nhi\u1ec1u kh\u00e1c bi\u1ec7t.<\/li><li><strong>Inline JS Minify <\/strong>&#8211; OFF. Kh\u00f4ng t\u1ea1o ra nhi\u1ec1u kh\u00e1c bi\u1ec7t.<\/li><li><strong><a href=\"https:\/\/kiencang.net\/preload-prefetch-preconnect\/\" target=\"_blank\" rel=\"noreferrer noopener\">DNS Prefetch<\/a><\/strong> &#8211; m\u1eb9o hay \u0111\u1ec3 preloading DNS cho c\u00e1c t\u00ean mi\u1ec1n b\u00ean ngo\u00e0i, v\u00ec th\u1ebf ch\u00fang c\u00f3 th\u1ec3 t\u1ea3i nhanh h\u01a1n khi b\u1ea1n click v\u00e0o URL ho\u1eb7c khi trang c\u1ee7a b\u1ea1n t\u1ea3i c\u00e1c t\u00e0i nguy\u00ean b\u00ean ngo\u00e0i t\u1eeb ch\u00fang. B\u1ea1n kh\u00f4ng bi\u1ebft \u0111\u1eb7t c\u00e1i g\u00ec v\u00e0o? \u0110\u01a1n gi\u1ea3n l\u00e0 m\u1edf trang web c\u1ee7a b\u1ea1n trong Chrome Incognito > Inspect > Sources&#8230;gi\u1edd g\u00f5 t\u1ea5t c\u1ea3 c\u00e1c ngu\u1ed3n l\u00e0 t\u00ean mi\u1ec1n b\u00ean ngo\u00e0i m\u00e0 b\u1ea1n th\u1ea5y. T\u1ea5t c\u1ea3 Google Analytics v\u00e0 c\u00e1c l\u1eddi g\u1ecdi font, t\u00e0i nguy\u00ean m\u1ea1ng x\u00e3 h\u1ed9i, d\u1ecbch v\u1ee5 chat, CDN, v\u00e2n v\u00e2n.<\/li><li><strong>DNS Prefetch Control<\/strong> &#8211; t\u1ef1 \u0111\u1ed9ng t\u00ecm n\u1ea1p tr\u01b0\u1edbc (prefetch) t\u1ea5t c\u1ea3 t\u00ean mi\u1ec1n \u0111\u01b0\u1ee3c g\u1ecdi t\u1eeb CSS v\u00e0 JS. T\u00f4i th\u1ea5y \u0111\u00e2y c\u0169ng l\u00e0 \u00fd t\u01b0\u1edfng hay nh\u01b0ng kh\u00f4ng c\u1ea7n thi\u1ebft n\u1ebfu t\u00f4i \u0111\u00e3 th\u1ef1c hi\u1ec7n g\u1ecdi ch\u00fang b\u1eb1ng c\u00e1ch nh\u1eadp th\u1ee7 c\u00f4ng t\u00ean mi\u1ec1n t\u1eeb t\u00f9y ch\u1ecdn b\u00ean tr\u00ean.<\/li><li><strong>Remove Comments<\/strong> (lo\u1ea1i b\u1ecf c\u00e1c ch\u00fa th\u00edch trong file CSS\/JS) &#8211; \u0110\u1ec3 OFF t\u00f4i th\u1ea5y an to\u00e0n h\u01a1n. \u0110\u1eb1ng n\u00e0o th\u00ec n\u00f3 c\u0169ng kh\u00f4ng t\u1ea1o ra s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 n\u00e0o v\u1ec1 t\u1ed1c \u0111\u1ed9. Trong khi n\u00f3 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 gi\u00fap b\u1ea1n c\u1ea3i thi\u1ec7n <a href=\"https:\/\/kiencang.net\/diem-so-toc-do-khong-quan-trong\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0111i\u1ec3m s\u1ed1 h\u01b0 \u1ea3o Pingdom\/GTmetrix<\/a>.<\/li><li><strong>Remove Query Strings<\/strong> &#8211; theo quan \u0111i\u1ec3m c\u1ee7a t\u00f4i, n\u00f3 kh\u00f4ng \u0111em l\u1ea1i c\u1ea3i thi\u1ec7n n\u00e0o v\u1ec1 t\u1ed1c \u0111\u1ed9 khi b\u1ea1n b\u1eadt t\u00ednh n\u0103ng n\u00e0y (hi\u1ec7n t\u1ea1i caching h\u1ea7u nh\u01b0 c\u00f3 th\u1ec3 x\u1eed l\u00fd chu\u1ed7i truy v\u1ea5n). H\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi b\u1eadt n\u00f3 \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c \u0111i\u1ec3m s\u1ed1 ki\u1ec3m tra t\u1ed1t h\u01a1n. T\u00f4i khuy\u00ean b\u1ea1n n\u00ean \u0111\u1ec3 l\u00e0 OFF n\u1ebfu b\u1ea1n v\u1eabn \u0111ang \u0111i\u1ec1u ch\u1ec9nh thi\u1ebft k\u1ebf, n\u1ebfu kh\u00f4ng b\u1ea1n s\u1ebd g\u1eb7p ph\u1ea3i v\u1ea5n \u0111\u1ec1 CSS\/JS c\u0169.<\/li><li><strong>Load Google Fonts Asynchronously<\/strong> (t\u1ea3i Google Font theo ki\u1ec3u kh\u00f4ng \u0111\u1ed3ng b\u1ed9) &#8211; b\u1ea1n h\u00e3y ki\u1ec3m tra c\u1ea9n th\u1eadn. T\u00f4i kh\u00f4ng th\u1ea5y s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 n\u00e0o b\u1edfi v\u00ec t\u00f4i \u0111o\u00e1n r\u1eb1ng h\u1ea7u h\u1ebft c\u00e1c font Google ph\u1ed5 bi\u1ebfn \u0111\u00e3 \u0111\u01b0\u1ee3c cache s\u1eb5n trong tr\u00ecnh duy\u1ec7t c\u1ee7a ng\u01b0\u1eddi d\u00f9ng r\u1ed3i khi h\u1ecd gh\u00e9 th\u0103m c\u00e1c trang web kh\u00e1c.<\/li><li><strong>Remove Google Fonts<\/strong>\u00a0(lo\u1ea1i b\u1ecf Google Fonts) &#8211; t\u00f4i c\u00f3 ch\u00fat kh\u00f3 hi\u1ec3u t\u1ea1i sao t\u00f9y ch\u1ecdn n\u00e0y l\u1ea1i t\u1ed3n t\u1ea1i. Th\u00f4ng qua t\u00e0i li\u1ec7u ch\u00ednh th\u1ee9c c\u1ee7a LS th\u00ec n\u00f3 d\u00e0nh cho nh\u1eefng ai \u0111\u00e3 c\u00f3 s\u1eb5n font t\u1ea3i t\u1eeb host c\u1ee5c b\u1ed9 v\u00e0 mu\u1ed1n ch\u1eafc ch\u1eafn tr\u00e1nh \u0111\u01b0\u1ee3c b\u1ea5t k\u1ef3 l\u1eddi g\u1ecdi Google font b\u00ean ngo\u00e0i n\u00e0o. Nh\u01b0ng m\u1ed9t l\u1ea7n n\u1eefa, t\u00f4i ngh\u0129 b\u1ea5t c\u1ee9 ai c\u00f3 \u0111\u1ee7 k\u1ef9 n\u0103ng \u0111\u1ec3 t\u1ea3i font theo ki\u1ec3u c\u1ee5c b\u1ed9 th\u00ec c\u0169ng d\u1ec5 d\u00e0ng lo\u1ea1i b\u1ecf \u0111\u01b0\u1ee3c l\u1eddi g\u1ecdi Google font.<\/li><li><strong>Remove WordPress Emoji<\/strong> (lo\u1ea1i b\u1ecf bi\u1ec3u t\u01b0\u1ee3ng m\u1eb7t c\u01b0\u1eddi, m\u1eb7t kh\u00f3c trong WordPress) &#8211; an to\u00e0n th\u00ec b\u1ea1n \u0111\u1ec3 n\u00f3 l\u00e0 ON. N\u00f3 s\u1ebd lo\u1ea1i tr\u1eeb c\u00e1c l\u1eddi g\u1ecdi emoji JS, c\u00e1i kh\u00f4ng c\u1ea7n thi\u1ebft v\u00e0o th\u1eddi \u0111i\u1ec3m hi\u1ec7n t\u1ea1i v\u00ec c\u00e1c tr\u00ecnh duy\u1ec7t hi\u1ec7n \u0111\u1ea1i c\u00f3 th\u1ec3 t\u1ef1 n\u00f3 render emoji.<\/li><\/ul>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Page_Optimization_%3E_Media_Settings\"><\/span>Page Optimization &gt; Media Settings<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<ul><li><strong>Lazy Load Images<\/strong> &#8211; t\u1ea3i c\u00e1c \u1ea3nh ch\u1ec9 khi tr\u00ecnh duy\u1ec7t cu\u1ed9n chu\u1ed9t \u0111\u1ebfn g\u1ea7n ch\u00fang. T\u00f4i (Johnny) th\u00edch \u0111\u1ec3 l\u00e0 OFF v\u00ec t\u00f4i gh\u00e9t lazyload. (C\u00e1 nh\u00e2n ng\u01b0\u1eddi d\u1ecbch th\u00ec v\u1eabn th\u00edch lazy load, v\u00e0 \u00e1p d\u1ee5ng n\u00f3 tr\u00ean h\u1ea7u h\u1ebft c\u00e1c blog, ch\u1ec9 c\u00e1c trang th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed th\u00ec t\u00f4i kh\u00f4ng d\u00f9ng. Ri\u00eang lazy load \u1ea3nh t\u00f4i th\u00edch d\u00f9ng <a aria-label=\"undefined (opens in a new tab)\" href=\"https:\/\/kiencang.net\/plugin-flying-images\/\" target=\"_blank\" rel=\"noreferrer noopener\">plugin Fying Images<\/a> h\u01a1n, n\u00f3 cho ph\u00e9p \u0111i\u1ec1u ch\u1ec9nh ng\u01b0\u1ee1ng k\u00edch ho\u1ea1t l\u00ean \u0111\u1ebfn 3000px, gi\u00fap gi\u1ea3m \u1ea3nh h\u01b0\u1edfng t\u1ed1i \u0111a \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng).<\/li><li><strong>Basic Image Placeholder<\/strong> &#8211; \u0111\u00e2y l\u00e0 \u1ea3nh m\u00e0 ng\u01b0\u1eddi d\u00f9ng th\u1ea5y tr\u01b0\u1edbc khi \u1ea3nh th\u1ef1c \u0111\u01b0\u1ee3c t\u1ea3i v\u1ec1. Th\u01b0\u1eddng s\u1eed d\u1ee5ng <a href=\"https:\/\/kiencang.net\/hinh-anh-ma-hoa-base64\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u1ea3nh base64<\/a>.<\/li><li><strong>Responsive Placeholder<\/strong> &#8211; t\u00f4i khuy\u1ebfn ngh\u1ecb \u0111\u1ec3 l\u00e0 ON n\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng lazy load \u1ea3nh. N\u00f3 chi\u1ebfm gi\u1eef kh\u00f4ng gian cho c\u00e1c \u1ea3nh v\u00ec th\u1ebf layout kh\u00f4ng nh\u1ea3y, d\u1ecbch chuy\u1ec3n khi ng\u01b0\u1eddi d\u00f9ng cu\u1ed9n chu\u1ed9t. Nh\u01b0ng nh\u1eefng ng\u01b0\u1eddi b\u1eadt qu\u1ea3ng c\u00e1o c\u00f3 th\u1ec3 th\u00edch \u0111\u1ec3 OFF h\u01a1n v\u00ec ng\u01b0\u1eddi d\u00f9ng c\u1ee7a h\u1ecd c\u00f3 kh\u1ea3 n\u0103ng b\u1ea5m nh\u1ea7m v\u00e0o qu\u1ea3ng c\u00e1o!<\/li><li><strong>Responsive Placeholder SVG<\/strong> &#8211; \u1ea3nh SVG \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m \u1ea3nh gi\u1eef ch\u1ed7 cho b\u1ea1n.<\/li><li><strong>Responsive Placeholder Color<\/strong> &#8211; c\u00f3 l\u1ebd l\u00e0 m\u00e0u x\u00e1m ho\u1eb7c c\u00e1i g\u00ec \u0111\u00f3 kh\u00f4ng nhi\u1ec5u. Ch\u1ec9 c\u1ea7n \u0111\u1ee7 \u0111\u1ec3 ng\u01b0\u1eddi d\u00f9ng c\u1ee7a b\u1ea1n bi\u1ebft c\u00e1i s\u1ebd \u0111\u00f3 s\u1eafp xu\u1ea5t hi\u1ec7n.<\/li><li><strong>LQIP Cloud Generator<\/strong>\u00a0&#8211; c\u00f4ng ngh\u1ec7 \u1ea3nh chi\u1ebfm ch\u1ed7 n\u00e2ng cao hi\u1ec3n th\u1ecb phi\u00ean b\u1ea3n \u1ea3nh ch\u1ea5t l\u01b0\u1ee3ng r\u1ea5t th\u1ea5p c\u1ee7a \u1ea3nh (<a rel=\"noreferrer noopener\" href=\"https:\/\/kiencang.net\/anh-lqip\/\" target=\"_blank\">LQIP<\/a>)-c\u00e1i m\u00e0 s\u1ebd \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng \u1ea3nh ch\u1ea5t l\u01b0\u1ee3ng cao khi ng\u01b0\u1eddi d\u00f9ng cu\u1ed9n chu\u1ed9t xu\u1ed1ng d\u01b0\u1edbi. N\u00f3 r\u1ea5t h\u1eefu \u00edch trong vi\u1ec7c gi\u00fap c\u00e1c trang n\u1eb7ng \u1ea3nh t\u1ea3i nhanh h\u01a1n v\u00e0 gi\u00fap gi\u1ea3m s\u1ef1 ph\u00e2n t\u00e1n c\u1ee7a ng\u01b0\u1eddi \u0111\u1ecdc khi \u00e1p d\u1ee5ng lazy load \u1ea3nh.<\/li><li><strong>LQIP Quality<\/strong> &#8211; s\u1eed d\u1ee5ng thi\u1ebft l\u1eadp m\u1eb7c \u0111\u1ecbnh l\u00e0 4 ho\u1eb7c b\u1ea1n ki\u1ec3m tra c\u00e1c c\u00e0i \u0111\u1eb7t kh\u00e1c xem c\u00f3 t\u1ed1t h\u01a1n kh\u00f4ng.<\/li><li><strong>Generate LQIP In Background<\/strong> &#8211; b\u1ea1n c\u1ea7n ph\u1ea3i ki\u1ec3m tra c\u1ea3 khi ON v\u00e0 OFF tr\u00ean trang kh\u00f4ng \u0111\u01b0\u1ee3c cache \u0111\u1ec3 xem n\u00f3 s\u1ebd cho ra k\u1ebft qu\u1ea3 nh\u01b0 th\u1ebf n\u00e0o. ON c\u00f3 l\u1ebd l\u00e0 l\u1ef1a ch\u1ecdn an to\u00e0n h\u01a1n.<\/li><li><strong>Lazy Load Iframes<\/strong> &#8211; \u00fd t\u01b0\u1edfng t\u1ed1t n\u1ebfu b\u1ea1n c\u00f3 iframe ho\u1eb7c video \u0111\u01b0\u1ee3c nh\u00fang d\u01b0\u1edbi m\u00e0n h\u00ecnh \u0111\u1ea7u ti\u00ean.<\/li><li><strong>Inline Lazy Load Images Library<\/strong> (n\u1ed9i tuy\u1ebfn th\u01b0 vi\u1ec7n Lazy Load \u1ea3nh) &#8211; t\u00f4i \u0111\u1ec3 n\u00f3 l\u00e0 OFF (t\u00f4i c\u1ea3m th\u1ea5y c\u00e1ch n\u00e0y cho hi\u1ec7u su\u1ea5t t\u1ed1t h\u01a1n). B\u1ea1n c\u00f3 th\u1ec3 b\u1eadt ON n\u1ebfu b\u1ea1n mu\u1ed1n lo\u1ea1i b\u1ecf y\u00eau c\u1ea7u HTTP cho m\u1ee5c \u0111\u00edch c\u1ea3i thi\u1ec7n \u0111i\u1ec3m s\u1ed1 ho\u1eb7c n\u1ebfu trang c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf r\u1ea5t g\u1ecdn g\u00e0ng.<\/li><\/ul>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Page_Optimization_%3E_Media_Excludes\"><\/span>Page Optimization &gt; Media Excludes<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<ul><li><strong>Lazy Load Image Excludes<\/strong> (lo\u1ea1i tr\u1eeb \u1ea3nh kh\u00f4ng c\u1ea7n lazy load) &#8211; lo\u1ea1i tr\u1eeb b\u1ea5t k\u1ef3 \u1ea3nh n\u00e0o \u0111\u1ec3 n\u00f3 kh\u00f4ng c\u1ea7n lazy load n\u1eefa. C\u00f3 th\u1ec3 l\u00e0 \u00fd t\u01b0\u1edfng t\u1ed1t cho c\u00e1c \u1ea3nh ATF (\u1ea3nh n\u1eb1m trong <a href=\"https:\/\/kiencang.net\/uu-tien-noi-dung-hien-thi\/\" target=\"_blank\" rel=\"noreferrer noopener\">m\u00e0n h\u00ecnh \u0111\u1ea7u ti\u00ean<\/a> v\u00ed d\u1ee5 logo, c\u00e1c \u1ea3nh slide \u0111\u1ea7u b\u00e0i) ho\u1eb7c nh\u1eefng trang m\u00e0 ng\u01b0\u1eddi d\u00f9ng cu\u1ed9n chu\u1ed9t nhanh (quick scrolles). <\/li><li><strong>Lazy Load Image Class Name Excludes<\/strong> (lo\u1ea1i tr\u1eeb \u1ea3nh \u0111\u1ec3 n\u00f3 kh\u00f4ng c\u1ea7n lazy load d\u1ef1a tr\u00ean t\u00ean class c\u1ee7a \u1ea3nh) &#8211; m\u1ed9t c\u00e1ch th\u00f4ng minh \u0111\u1ec3 lo\u1ea1i tr\u1eeb \u1ea3nh kh\u00f4ng c\u1ea7n lazy-load n\u1eefa b\u1eb1ng c\u00e1ch li\u1ec7t k\u00ea t\u00ean class CSS c\u1ee7a n\u00f3 \u1edf \u0111\u00e2y. <\/li><li><strong>Lazy Load Image Parent Class Name Excludes<\/strong> (lo\u1ea1i tr\u1eeb \u1ea3nh \u0111\u1ec3 n\u00f3 kh\u00f4ng c\u1ea7n lazy load d\u1ef1a tr\u00ean t\u00ean class cha c\u1ee7a \u1ea3nh) &#8211; c\u00e1ch th\u00f4ng minh \u0111\u1ec3 lo\u1ea1i tr\u1eeb \u1ea3nh kh\u00f4ng c\u1ea7n lazy load m\u00e0 kh\u00f4ng c\u00f3 class \u0111\u00ednh k\u00e8m. Thay v\u00ec th\u1ebf b\u1ea1n lo\u1ea1i tr\u1eeb b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng class cha c\u1ee7a ch\u00fang.<\/li><li><strong>Lazy Load Iframe Class Name Excludes<\/strong> &#8211; \u0111\u00e2y l\u00e0 c\u00e1ch hay \u0111\u1ec3 lo\u1ea1i tr\u1eeb video n\u00e0o \u0111\u00f3 \u0111\u1ec3 n\u00f3 kh\u00f4ng c\u1ea7n lazy load (ch\u1eb3ng h\u1ea1n c\u00e1i \u1edf g\u1ea7n ph\u1ea7n \u0111\u1ea7u c\u1ee7a trang). Ho\u1eb7c c\u00e1i m\u1ea5t nhi\u1ec1u th\u1eddi gian \u0111\u1ec3 t\u1ea3i v\u00e0 b\u1ea1n kh\u00f4ng mu\u1ed1n n\u00f3 b\u1ecb tr\u00ec ho\u00e3n.<\/li><li><strong>Lazy Load Iframe Parent Class Name Excludes<\/strong> &#8211; \u0111\u00e2y l\u00e0 c\u00e1ch ti\u1ec7n l\u1ee3i \u0111\u1ec3 lo\u1ea1i tr\u1eeb c\u00e1c iframe kh\u00f4ng c\u00f3 class CSS \u0111\u00ednh k\u00e8m. T\u01b0\u01a1ng t\u1ef1 nh\u01b0 m\u1eb9o v\u1edbi \u1ea3nh.<\/li><li><strong>Lazy Load URI Excludes<\/strong> &#8211; c\u00e1ch th\u1ee9c hay \u0111\u1ec3 v\u00f4 hi\u1ec7u h\u00f3a ch\u1ee9c n\u0103ng lazy load tr\u00ean m\u1ed9t s\u1ed1 trang. Ch\u1eb3ng h\u1ea1n v\u1edbi trang landing page n\u00e0o \u0111\u1ea5y m\u00e0 b\u1ea1n mu\u1ed1n \u1ea3nh v\u00e0 video t\u1ea3i c\u00e0ng s\u1edbm c\u00e0ng t\u1ed1t (ASAP\/As Soon As Possible).<\/li><\/ul>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Page_Optimization_%3E_Discussion_Settings\"><\/span>Page Optimization &gt; Discussion Settings<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"587\" height=\"475\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2020\/06\/toi-uu-gravatar.png\" alt=\"t\u1ed1i \u01b0u Gravatar\" class=\"wp-image-14336\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2020\/06\/toi-uu-gravatar.png 587w, https:\/\/kiencang.net\/wp-content\/uploads\/2020\/06\/toi-uu-gravatar-300x243.png 300w\" sizes=\"(max-width: 587px) 100vw, 587px\" \/><\/figure><\/div>\n\n\n<ul><li><strong>Gravatar Cache<\/strong> &#8211; \u0111\u00e2y l\u00e0 t\u00ednh n\u0103ng tuy\u1ec7t v\u1eddi cho c\u00e1c <a href=\"https:\/\/kiencang.net\/tang-toc-khu-vuc-comment-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">trang c\u00f3 h\u00e0ng tr\u0103m b\u00ecnh lu\u1eadn<\/a>. Nh\u01b0ng kh\u00f4ng c\u1ea7n thi\u1ebft (v\u00e0 quan \u0111i\u1ec3m c\u00e1 nh\u00e2n t\u00f4i l\u00e0 kh\u00f4ng n\u00ean d\u00f9ng) n\u1ebfu ph\u1ea7n l\u1edbn b\u00e0i vi\u1ebft tr\u00ean trang c\u1ee7a b\u1ea1n kh\u00f4ng c\u00f3 nhi\u1ec1u b\u00ecnh lu\u1eadn v\u00e0\/ho\u1eb7c kh\u00f4ng c\u00f3 nhi\u1ec1u l\u01b0\u1ee3t truy c\u1eadp. Ch\u00fa th\u00edch c\u1ee7a ng\u01b0\u1eddi d\u1ecbch: ri\u00eang trong b\u1ed1i c\u1ea3nh internet Vi\u1ec7t Nam th\u01b0\u1eddng xuy\u00ean \u0111\u1ee9t c\u00e1p k\u00e9o d\u00e0i vi\u1ec7c k\u00e9o \u1ea3nh v\u1ec1 host c\u1ee7a b\u1ea1n s\u1ebd gi\u00fap t\u0103ng t\u1ed1c t\u01b0\u01a1ng \u0111\u1ed1i t\u1ed1t, ngay c\u1ea3 khi trang c\u00f3 \u00edt b\u00ecnh lu\u1eadn.<\/li><li><strong>Gravatar Cache Cron<\/strong> &#8211; n\u1ebfu b\u1ea1n b\u1eadt caching Gravatar th\u00ec b\u1ea1n c\u0169ng n\u00ean \u0111\u1ec3 c\u00e1i n\u00e0y l\u00e0 ON.<\/li><li><strong>Gravatar Cache TTL<\/strong> &#8211; m\u1eb7c \u0111\u1ecbnh l\u00e0 1 tu\u1ea7n c\u0169ng \u1ed5n nh\u01b0ng t\u00f4i th\u00edch \u0111\u1ec3 n\u00f3 l\u00e0 3 th\u00e1ng h\u01a1n. T\u00f4i c\u1ea3m th\u1ea5y m\u1ecdi ng\u01b0\u1eddi \u00edt khi thay \u0111\u1ed5i Gravatar c\u1ee7a h\u1ecd.<\/li><\/ul>\n\n\n<p>Ch\u00fa th\u00edch c\u1ee7a ng\u01b0\u1eddi d\u1ecbch: Gravatar l\u00e0 \u1ea3nh \u0111\u1ea1i di\u1ec7n \u0111\u01b0\u1ee3c d\u00f9ng m\u1ed7i khi h\u1ecd \u0111\u1ec3 l\u1ea1i b\u00ecnh lu\u1eadn tr\u00ean WordPress (s\u1eed d\u1ee5ng email \u0111\u1ec3 bi\u1ebft). Avatar n\u00e0y \u1edf Vi\u1ec7t Nam ch\u1ee7 y\u1ebfu c\u00f3 \u1edf anh em bi\u1ebft m\u1ed9t ch\u00fat v\u1ec1 c\u00f4ng ngh\u1ec7. Ch\u1ecb em h\u1ea7u nh\u01b0 ch\u1eb3ng bao gi\u1edd d\u00f9ng, v\u00ec s\u1ebd ph\u1ea3i \u0111\u0103ng k\u00fd tr\u00ean <a rel=\"noreferrer noopener\" href=\"https:\/\/gravatar.com\/\" target=\"_blank\">gravatar.com<\/a>. Nh\u1eefng trang c\u00f3 nhi\u1ec1u b\u00ecnh lu\u1eadn v\u00e0 b\u1ea1n th\u00edch b\u1ed1 c\u1ee5c \u0111\u1eb9p m\u1eaft, c\u00f3 th\u1ec3 <a href=\"https:\/\/kiencang.net\/plugin-wpdiscuz\/\" target=\"_blank\" rel=\"noreferrer noopener\">d\u00f9ng plugin wpDiscuz<\/a>.<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Page_Optimization_%3E_Tuning_Settings\"><\/span>Page Optimization &gt; Tuning Settings<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<ul><li><strong>Combined CSS Priority<\/strong>\u00a0&#8211; th\u01b0\u1eddng \u0111\u1ec3 l\u00e0 OFF v\u00e0 kh\u00f4ng n\u00ean \u00e1p d\u1ee5ng tr\u1eeb khi b\u1ea1n c\u1ea7n s\u1eed d\u1ee5ng c\u1ea3 &#8220;k\u1ebft h\u1ee3p CSS&#8221; v\u00e0 &#8220;kh\u00f4ng k\u1ebft h\u1ee3p CSS&#8221; (t\u1ea1o b\u1edfi vi\u1ec7c lo\u1ea1i tr\u1eeb k\u1ebft h\u1ee3p m\u1ed9t s\u1ed1 CSS). Khi b\u1eadt (ON) t\u00ednh n\u0103ng n\u00e0y s\u1ebd t\u1ea3i &#8220;CSS k\u1ebft h\u1ee3p \/ Combined CSS&#8221; tr\u01b0\u1edbc khi t\u1ea3i &#8220;CSS kh\u00f4ng k\u1ebft h\u1ee3p \/ Uncombined CSS&#8221; thay v\u00ec \u0111\u1ec3 nh\u01b0 m\u1eb7c \u0111\u1ecbnh (s\u1ebd ng\u01b0\u1ee3c l\u1ea1i). C\u00e1i n\u00e0y t\u00f9y thu\u1ed9c v\u00e0o b\u1ea1n xem k\u1ecbch b\u1ea3n n\u00e0o l\u00e0 ph\u00f9 h\u1ee3p nh\u1ea5t. Nh\u00ecn chung ch\u00fang ta mu\u1ed1n t\u1ea3i critical CSS tr\u01b0\u1edbc r\u1ed3i m\u1edbi t\u1ea3i CSS kh\u00e1c sau. Nh\u01b0ng c\u00f3 nh\u1eefng th\u1eddi \u0111i\u1ec3m ch\u00fang ta c\u00f3 c\u00e1c l\u1edbp CSS ch\u1ed3ng ch\u00e9o nhau v\u00e0 mu\u1ed1n \u0111\u1ea3m b\u1ea3o r\u1eb1ng layer cu\u1ed1i c\u00f9ng t\u1ea3i v\u1ec1 ph\u1ea3i ch\u00ednh x\u00e1c \u0111\u1ec3 tr\u00e1nh b\u1ea5t k\u1ef3 ki\u1ec3u \u0111\u1ecbnh d\u1ea1ng kh\u00f4ng mong mu\u1ed1n n\u00e0o. \u0110i\u1ec1u n\u00e0y ho\u00e0n to\u00e0n ph\u1ee5 thu\u1ed9c v\u00e0o chi\u1ebfn l\u01b0\u1ee3c c\u1ee7a b\u1ea1n \u0111\u1ec3 t\u1ef1 quy\u1ebft xem c\u00f3 n\u00ean s\u1eed d\u1ee5ng c\u1ea3 &#8220;CSS k\u1ebft h\u1ee3p&#8221; v\u00e0 &#8220;kh\u00f4ng k\u1ebft h\u1ee3p&#8221; hay kh\u00f4ng. T\u1eeb \u0111\u00f3 quy\u1ebft \u0111\u1ecbnh xem CSS n\u00e0o n\u00ean k\u1ebft h\u1ee3p ho\u1eb7c kh\u00f4ng, v\u00e0 cu\u1ed1i c\u00f9ng t\u00ednh to\u00e1n xem n\u00ean t\u1ea3i &#8220;CSS k\u1ebft h\u1ee3p&#8221; tr\u01b0\u1edbc hay l\u00e0 t\u1ea3i &#8220;CSS kh\u00f4ng k\u1ebft h\u1ee3p&#8221; tr\u01b0\u1edbc.<\/li><li><strong>CSS Excludes<\/strong>\u00a0&#8211; li\u1ec7t k\u00ea t\u1ea5t c\u1ea3 c\u00e1c file CSS m\u00e0 b\u1ea1n kh\u00f4ng mu\u1ed1n r\u00fat g\u1ecdn ho\u1eb7c k\u1ebft h\u1ee3p. B\u1ea1n c\u00f3 th\u1ec3 li\u1ec7t k\u00ea t\u00ean \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a ch\u00fang (ch\u1eb3ng h\u1ea1n &#8220;elementor-builder.css&#8221;) ho\u1eb7c m\u1ed9t ph\u1ea7n t\u00ean (v\u00ed d\u1ee5 &#8220;elementor&#8221;).<\/li><li><strong>Combined JS Priority<\/strong>\u00a0&#8211; ch\u1ee9c n\u0103ng t\u01b0\u01a1ng t\u1ef1 c\u00e1i \u1edf tr\u00ean \u0111\u1ea7u nh\u01b0ng l\u00e0 cho JS.<\/li><li><strong>JS Excludes<\/strong>\u00a0&#8211; li\u1ec7t k\u00ea t\u1ea5t c\u1ea3 c\u00e1c file JS m\u00e0 b\u1ea1n kh\u00f4ng mu\u1ed1n r\u00fat g\u1ecdn\/k\u1ebft h\u1ee3p<\/li><li><strong>Max Combined File Size<\/strong>\u00a0&#8211; t\u00f4i ch\u1eafc r\u1eb1ng ph\u1ea7n c\u00e0i \u0111\u1eb7t n\u00e0y c\u00f3 c\u00e1c s\u1eafc th\u00e1i kh\u00e1c nhau. V\u1ec1 m\u1eb7t c\u00e1 nh\u00e2n t\u00f4i kh\u00f4ng th\u00edch k\u1ebft h\u1ee3p CSS ho\u1eb7c JS ch\u00fat n\u00e0o. Nh\u01b0ng n\u1ebfu b\u1ea1n c\u00f3 l\u00e0m, c\u00e1ch an to\u00e0n nh\u1ea5t l\u00e0 k\u1ebft h\u1ee3p t\u1ea5t c\u1ea3 v\u00e0o m\u1ed9t file. Nh\u01b0ng n\u1ebfu b\u1ea1n mu\u1ed1n ti\u1ebfn h\u00e0nh s\u00e2u h\u01a1n n\u1eefa, b\u1ea1n c\u00f3 th\u1ec3 gi\u1ea3m k\u00edch c\u1ee1 t\u1ed1i \u0111a v\u00e0 c\u1eaft n\u00f3 th\u00e0nh nhi\u1ec1u ph\u1ea7n nh\u1ecf h\u01a1n \u0111\u1ec3 xem xem li\u1ec7u tr\u00ecnh duy\u1ec7t c\u00f3 x\u1eed l\u00fd n\u00f3 nhanh h\u01a1n hay kh\u00f4ng. T\u00f4i cho r\u1eb1ng n\u00f3 c\u00f3 th\u1ec3 h\u1eefu \u00edch tr\u00ean c\u00e1c thi\u1ebft b\u1ecb c\u1ea5u h\u00ecnh y\u1ebfu ho\u1eb7c t\u1ed1c \u0111\u1ed9 k\u1ebft n\u1ed1i internet ch\u1eadm ch\u1ea1p.<\/li><li><strong>Critical CSS Rules<\/strong>\u00a0&#8211; n\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng t\u00ednh n\u0103ng &#8220;Load CSS asynchronously \/ T\u1ea3i CSS kh\u00f4ng \u0111\u1ed3ng b\u1ed9&#8221;, copy paste b\u1ea5t c\u1ee9 quy t\u1eafc critical CSS n\u00e0o v\u00e0o \u0111\u00e2y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng ch\u00fang \u0111\u01b0\u1ee3c t\u1ea3i tr\u01b0\u1edbc ti\u00ean. Ch\u00fa th\u00edch c\u1ee7a ng\u01b0\u1eddi d\u1ecbch: t\u00ednh n\u0103ng n\u00e0y r\u1ea5t gi\u1ed1ng v\u1edbi critical CSS mi\u1ec5n ph\u00ed tr\u00ean <a href=\"https:\/\/kiencang.net\/plugin-autoptimize\/\" target=\"_blank\" rel=\"noreferrer noopener\">plugin Autoptimize<\/a>, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng <a rel=\"noreferrer noopener\" href=\"https:\/\/pegasaas.com\/critical-path-css-generator\/\" target=\"_blank\">trang n\u00e0y<\/a> \u0111\u1ec3 l\u1ea5y \u0111\u01b0\u1ee3c critical CSS c\u1ee7a trang.<\/li><li><strong>JS Deferred Excludes<\/strong>\u00a0&#8211; n\u1ebfu s\u1eed d\u1ee5ng t\u00ednh n\u0103ng &#8220;Load JS Deferred \/ Tr\u00ec ho\u00e3n t\u1ea3i JS&#8221;, b\u1ea1n c\u00f3 th\u1ec3 lo\u1ea1i tr\u1eeb b\u1ea5t k\u1ef3 JS c\u1ee5 th\u1ec3 n\u00e0o \u1edf \u0111\u00e2y \u0111\u1ec3 gi\u1eef ch\u00fang t\u1ea3i nh\u01b0 b\u00ecnh th\u01b0\u1eddng (\u00fd t\u01b0\u1edfng t\u1ed1t l\u00e0 cho b\u1ea5t c\u1ee9 file JS n\u00e0o d\u00f9ng \u0111\u1ec3 render n\u1ed9i dung quan tr\u1ecdng).<\/li><li><strong>URI Excludes<\/strong> &#8211; li\u1ec7t k\u00ea b\u1ea5t c\u1ee9 URL n\u00e0o \u1edf \u0111\u00e2y m\u00e0 b\u1ea1n mu\u1ed1n lo\u1ea1i tr\u1eeb kh\u00f4ng c\u1ea7n t\u1ed1i \u01b0u h\u00f3a trang. \u00dd t\u01b0\u1edfng t\u1ed1t l\u00e0 li\u1ec7t k\u00ea c\u00e1c trang b\u1ecb h\u1ecfng thi\u1ebft k\u1ebf ho\u1eb7c ch\u1ee9c n\u0103ng g\u00e2y ra b\u1edfi c\u00e1c t\u1ed1i \u01b0u h\u00f3a \u0111\u00f3.<\/li><li><strong>Role Excludes<\/strong>\u00a0 &#8211; b\u1ea1n c\u00f3 th\u1ec3 lo\u1ea1i tr\u1eeb t\u1ed1i \u01b0u h\u00f3a cho nh\u1eefng ng\u01b0\u1eddi d\u00f9ng c\u1ee5 th\u1ec3 n\u00e0o \u0111\u00f3 \u0111\u00e3 \u0111\u0103ng nh\u1eadp. B\u1ea1n c\u00f3 kh\u1ea3 n\u0103ng kh\u00f4ng bao gi\u1edd s\u1eed d\u1ee5ng t\u00ednh n\u0103ng n\u00e0y ngo\u1ea1i tr\u1eeb khi c\u1ea7n d\u00f9ng v\u00e0o m\u1ed9t s\u1ed1 m\u1ee5c \u0111\u00edch th\u1eed nghi\u1ec7m, ki\u1ec3m tra nh\u1ea5t \u0111\u1ecbnh.<\/li><\/ul>\n\n\n<p>N\u1ebfu \u0111\u00e3 \u0111\u1ecdc \u0111\u1ebfn \u0111\u00e2y, <a href=\"https:\/\/kiencang.net\/hd-plugin-litespeed-cache-p3\/\" target=\"_blank\" rel=\"noreferrer noopener\">m\u1eddi b\u1ea1n xem ti\u1ebfp ph\u1ea7n 3<\/a>.<\/p>\n\n\n<p><em>(D\u1ecbch t\u1eeb b\u00e0i vi\u1ebft: LiteSpeed Cache WordPress Plugin \u2013 UNOFFICIAL GUIDE c\u1ee7a&nbsp;Johnny Nguyen\/WPjohnny, ng\u01b0\u1eddi d\u1ecbch: Nguy\u1ec5n \u0110\u1ee9c Anh)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ti\u1ebfp theo ph\u1ea7n 1 v\u1ec1 c\u00e0i \u0111\u1eb7t plugin LiteSpeed Cache chuy\u00ean s\u00e2u kh\u00e1 d\u00e0i, t\u00f4i ti\u1ebfp t\u1ee5c d\u1ecbch ph\u1ea7n hai. B\u00e0i vi\u1ebft g\u1ed1c c\u1ee7a t\u00e1c gi\u1ea3 Johnny Nguyen. T\u00f4i c\u00f3 b\u1ed5 sung th\u00eam th\u00f4ng tin m\u1ed9t s\u1ed1 ch\u1ed7 khi th\u1ea5y c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1ea1n \u0111\u1ecdc hi\u1ec3u c\u00e1c t\u00f9y ch\u1ecdn t\u1ed1t h\u01a1n, t\u1eeb \u0111\u00f3 \u0111\u01b0a ra &hellip;<\/p>\n","protected":false},"author":1,"featured_media":14342,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[249,252,276],"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 c\u00e0i \u0111\u1eb7t plugin LiteSpeed Cache (p2) &#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\/hd-plugin-litespeed-cache-p2\/\" \/>\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 c\u00e0i \u0111\u1eb7t plugin LiteSpeed Cache (p2) &#8226; Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"og:description\" content=\"Ti\u1ebfp theo ph\u1ea7n 1 v\u1ec1 c\u00e0i \u0111\u1eb7t plugin LiteSpeed Cache chuy\u00ean s\u00e2u kh\u00e1 d\u00e0i, t\u00f4i ti\u1ebfp t\u1ee5c d\u1ecbch ph\u1ea7n hai. 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B\u00e0i vi\u1ebft g\u1ed1c c\u1ee7a t\u00e1c gi\u1ea3 Johnny Nguyen. T\u00f4i c\u00f3 b\u1ed5 sung th\u00eam th\u00f4ng tin m\u1ed9t s\u1ed1 ch\u1ed7 khi th\u1ea5y c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1ea1n \u0111\u1ecdc hi\u1ec3u c\u00e1c t\u00f9y ch\u1ecdn t\u1ed1t h\u01a1n, t\u1eeb \u0111\u00f3 \u0111\u01b0a ra &hellip;","og_url":"https:\/\/kiencang.net\/hd-plugin-litespeed-cache-p2\/","og_site_name":"Ki\u1ebfn c\u00e0ng","article_author":"https:\/\/www.facebook.com\/anhducnguyen87\/","article_published_time":"2020-06-21T14:43:25+00:00","og_image":[{"width":754,"height":514,"url":"https:\/\/kiencang.net\/wp-content\/uploads\/2020\/06\/LiteSpeed-Cache-p2.png","type":"image\/png"}],"author":"Nguy\u1ec5n \u0110\u1ee9c Anh","twitter_card":"summary_large_image","twitter_misc":{"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi":"Nguy\u1ec5n \u0110\u1ee9c Anh","\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc":"37 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/kiencang.net\/hd-plugin-litespeed-cache-p2\/","url":"https:\/\/kiencang.net\/hd-plugin-litespeed-cache-p2\/","name":"H\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t plugin LiteSpeed Cache (p2) &#8226; Ki\u1ebfn c\u00e0ng","isPartOf":{"@id":"https:\/\/kiencang.net\/#website"},"datePublished":"2020-06-21T14:43:25+00:00","dateModified":"2020-06-21T14:43:25+00:00","author":{"@id":"https:\/\/kiencang.net\/#\/schema\/person\/5e7e1a04d8d1218ad8c421ba43d25c16"},"breadcrumb":{"@id":"https:\/\/kiencang.net\/hd-plugin-litespeed-cache-p2\/#breadcrumb"},"inLanguage":"vi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/kiencang.net\/hd-plugin-litespeed-cache-p2\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/kiencang.net\/hd-plugin-litespeed-cache-p2\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/kiencang.net\/"},{"@type":"ListItem","position":2,"name":"H\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t plugin LiteSpeed Cache (p2)"}]},{"@type":"WebSite","@id":"https:\/\/kiencang.net\/#website","url":"https:\/\/kiencang.net\/","name":"Ki\u1ebfn c\u00e0ng","description":"\u00d4m l\u00fd thuy\u1ebft, h\u00f4n th\u1ef1c h\u00e0nh","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/kiencang.net\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"vi"},{"@type":"Person","@id":"https:\/\/kiencang.net\/#\/schema\/person\/5e7e1a04d8d1218ad8c421ba43d25c16","name":"Nguy\u1ec5n \u0110\u1ee9c Anh","image":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/kiencang.net\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/6d71f9b89393952a8382e30dad26c1ec?s=96&d=monsterid&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/6d71f9b89393952a8382e30dad26c1ec?s=96&d=monsterid&r=g","caption":"Nguy\u1ec5n \u0110\u1ee9c Anh"},"description":"Sinh n\u0103m 1987, t\u1ed1t nghi\u1ec7p Cao \u0111\u1eb3ng th\u1ef1c h\u00e0nh FPT qu\u00e3ng 2014, chuy\u00ean ng\u00e0nh Thi\u1ebft k\u1ebf website. 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