{"id":14362,"date":"2022-01-22T11:56:00","date_gmt":"2022-01-22T04:56:00","guid":{"rendered":"https:\/\/speed.family\/?p=14362"},"modified":"2022-08-06T14:53:49","modified_gmt":"2022-08-06T07:53:49","slug":"toi-uu-anh-litespeed","status":"publish","type":"post","link":"https:\/\/kiencang.net\/toi-uu-anh-litespeed\/","title":{"rendered":"V\u00e0i nh\u1eadn x\u00e9t v\u1ec1 d\u1ecbch v\u1ee5 t\u1ed1i \u01b0u \u1ea3nh c\u1ee7a LiteSpeed"},"content":{"rendered":"\n<p>C\u00e1c <a href=\"https:\/\/kiencang.net\/plugin-nen-anh-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">plugin t\u1ed1i \u01b0u \u1ea3nh<\/a> lu\u00f4n n\u1eb1m trong nh\u00f3m plugin quan tr\u1ecdng nh\u1ea5t v\u1edbi b\u1ea5t k\u1ef3 website n\u00e0o \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c trang web nhi\u1ec1u \u1ea3nh nh\u01b0 trang th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed ho\u1eb7c ki\u1ec3u blog h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<p><a href=\"https:\/\/kiencang.net\/litespeed-plugin-cache-tot-nhat\/\" target=\"_blank\" rel=\"noreferrer noopener\">LiteSpeed Cache<\/a> (LSCache) l\u00e0 plugin to\u00e0n di\u1ec7n nh\u1ea5t v\u1ec1 m\u1ea3ng t\u0103ng t\u1ed1c cho website WordPress, \u0111\u1eb7c bi\u1ec7t l\u00e0 tr\u00ean c\u00e1c trang c\u00f3 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp l\u1edbn ho\u1eb7c\/v\u00e0 c\u00f3 nhi\u1ec1u b\u00e0i vi\u1ebft.<\/p>\n\n\n\n<p>LSCache c\u0169ng t\u00edch h\u1ee3p s\u1eb5n d\u1ecbch v\u1ee5 n\u00e9n \u1ea3nh trong plugin, v\u00e0 h\u00f4m nay t\u00f4i s\u1ebd th\u1eed \u0111\u00e0o s\u00e2u nh\u1eadn x\u00e9t xem \u01b0u &amp; nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a n\u00f3 l\u00e0 g\u00ec.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_60 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\" role=\"button\"><label for=\"item-6577d627e6421\" ><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-6577d627e6421\"  type=\"checkbox\" id=\"item-6577d627e6421\"><\/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-anh-litespeed\/#1_Nen_anh_qua_cloud\" title=\"#1. N\u00e9n \u1ea3nh qua cloud\">#1. N\u00e9n \u1ea3nh qua cloud<\/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-anh-litespeed\/#2_Mien_phi\" title=\"#2. Mi\u1ec5n ph\u00ed\">#2. Mi\u1ec5n ph\u00ed<\/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-anh-litespeed\/#3_Lazy_load\" title=\"#3. Lazy load\">#3. Lazy load<\/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-anh-litespeed\/#4_Co_backup\" title=\"#4. C\u00f3 backup\">#4. C\u00f3 backup<\/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-anh-litespeed\/#5_WebP\" title=\"5. WebP\">5. WebP<\/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-anh-litespeed\/#6_CDN\" title=\"6. CDN\">6. CDN<\/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\/toi-uu-anh-litespeed\/#Ket_luan\" title=\"K\u1ebft lu\u1eadn\">K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"1-nen-\u1ea3nh-qua-cloud\"><span class=\"ez-toc-section\" id=\"1_Nen_anh_qua_cloud\"><\/span>#1. N\u00e9n \u1ea3nh qua cloud<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Gi\u1ed1ng <a href=\"https:\/\/kiencang.net\/plugin-nen-anh-shortpixel\/\" target=\"_blank\" rel=\"noreferrer noopener\">ShortPixel<\/a>, ki\u1ec3u n\u00e9n \u1ea3nh c\u1ee7a LSCache l\u00e0 th\u00f4ng qua cloud ch\u1ee9 kh\u00f4ng s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean m\u00e1y ch\u1ee7 ki\u1ec3u <a href=\"https:\/\/kiencang.net\/plugin-ewww-image-optimizer\/\" target=\"_blank\" rel=\"noreferrer noopener\">EWWW<\/a> (tr\u00ean m\u1ed9t s\u1ed1 hosting, EWWW kh\u00f4ng n\u00e9n \u0111\u01b0\u1ee3c \u1ea3nh v\u00ec n\u00f3 b\u1ecb ch\u1eb7n m\u1ed9t s\u1ed1 h\u00e0m PHP, ng\u01b0\u1eddi qu\u1ea3n tr\u1ecb web th\u00f4ng th\u01b0\u1eddng kh\u1eafc ph\u1ee5c \u0111i\u1ec1u n\u00e0y v\u00f4 c\u00f9ng kh\u00f3 kh\u0103n). LSCache ph\u00e1t tri\u1ec3n cloud ri\u00eang c\u1ee7a h\u1ecd c\u00f3 t\u00ean <a href=\"https:\/\/kiencang.net\/quic-cloud-faq\/\" target=\"_blank\" rel=\"noreferrer noopener\">QUIC cloud<\/a> \u0111\u1ec3 th\u1ef1c hi\u1ec7n nhi\u1ec7m v\u1ee5 n\u00e0y. <\/p>\n\n\n\n<p class=\"has-background\" style=\"background-color:#fffccc\"><strong>C\u00f3 th\u1ec3 b\u1ea1n quan t\u00e2m<\/strong>: <a href=\"https:\/\/kiencang.net\/litespeed-cache-vs-quic-cloud\/\" target=\"_blank\" rel=\"noreferrer noopener\">b\u00e0i h\u01b0\u1edbng d\u1eabn k\u1ebft n\u1ed1i LiteSpeed Cache v\u1edbi QUIC.cloud<\/a><\/p>\n\n\n\n<p>S\u1eed d\u1ee5ng cloud c\u00f3 l\u1ee3i l\u00e0 h\u1ecd c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng tr\u00ean b\u1ea5t c\u1ee9 n\u1ec1n t\u1ea3ng hosting, web server n\u00e0o ch\u1ee9 kh\u00f4ng ph\u1ea3i ph\u1ee5 thu\u1ed9c v\u00e0o web server \u0111\u1ed9c quy\u1ec1n c\u1ee7a ch\u00ednh h\u1ecd hay c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. Ngo\u00e0i ra \u0111i\u1ec1u n\u00e0y c\u0169ng c\u00f3 l\u1ee3i cho ng\u01b0\u1eddi d\u00f9ng, khi m\u00e1y ch\u1ee7 kh\u00f4ng b\u1ecb hao t\u1ed1n t\u00e0i nguy\u00ean. <\/p>\n\n\n\n<p>Nh\u01b0ng r\u00f5 r\u00e0ng t\u1ed1i \u01b0u qua cloud l\u00e0m LiteSpeed v\u1ea5t v\u1ea3 h\u01a1n nhi\u1ec1u, h\u1ecd ph\u1ea3i t\u1ea3i \u1ea3nh v\u1ec1 m\u00e1y ch\u1ee7 c\u1ee7a m\u00ecnh, th\u1ef1c hi\u1ec7n t\u1ed1i \u01b0u h\u00f3a, sau \u0111\u00f3 \u0111\u1ea9y \u1ea3nh \u0111\u00f3 v\u1ec1 host g\u1ed1c c\u1ee7a b\u1ea1n. \u0110i\u1ec1u \u0111\u00f3 l\u00e0 l\u00fd do t\u1ed1c \u0111\u1ed9 n\u00e9n \u1ea3nh c\u1ee7a QUIC kh\u00f4ng th\u1ef1c s\u1ef1 \u1ea5n t\u01b0\u1ee3ng, nh\u01b0ng c\u0169ng kh\u00f4ng \u0111\u1ebfn n\u1ed7i ch\u1eadm.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"2-mi\u1ec5n-phi\"><span class=\"ez-toc-section\" id=\"2_Mien_phi\"><\/span>#2. Mi\u1ec5n ph\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0110i\u1ec1u tuy\u1ec7t v\u1eddi l\u00e0 d\u1ecbch v\u1ee5 n\u00e9n \u1ea3nh c\u1ee7a LiteSpeed Cache ho\u00e0n to\u00e0n MI\u1ec4N PH\u00cd trong m\u1ed9t gi\u1edbi h\u1ea1n r\u1ea5t r\u1ed9ng r\u00e3i, trong khi ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng thua k\u00e9m b\u1ea5t k\u1ef3 plugin n\u00e9n \u1ea3nh th\u01b0\u01a1ng m\u1ea1i n\u00e0o, k\u1ec3 c\u1ea3 ch\u1ea5t l\u01b0\u1ee3ng cao nh\u01b0 ShortPixel.<\/p>\n\n\n\n<p>Tuy nhi\u00ean, v\u00ec s\u1eed d\u1ee5ng cloud v\u1ed1n kh\u00f4ng r\u1ebb, n\u00ean h\u1ecd c\u00f3 ph\u00e2n c\u1ea5p ng\u01b0\u1eddi d\u00f9ng.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"493\" height=\"517\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2020\/06\/phan-cap-nguoi-dung.png\" alt=\"ph\u00e2n c\u1ea5p ng\u01b0\u1eddi d\u00f9ng khi t\u1ed1i \u01b0u \u1ea3nh\" class=\"wp-image-14365\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2020\/06\/phan-cap-nguoi-dung.png 493w, https:\/\/kiencang.net\/wp-content\/uploads\/2020\/06\/phan-cap-nguoi-dung-286x300.png 286w\" sizes=\"(max-width: 493px) 100vw, 493px\" \/><\/figure><\/div>\n\n\n<p>Nh\u01b0 tr\u00ean b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y:<\/p>\n\n\n\n<ul><li>D\u1ecbch v\u1ee5 t\u1ed1i \u01b0u \u1ea3nh v\u1edbi h\u00e0ng \u0111\u1ee3i ti\u00eau chu\u1ea9n (Standard Queue) l\u00e0 mi\u1ec5n ph\u00ed v\u00e0 kh\u00f4ng gi\u1edbi h\u1ea1n v\u1edbi t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi.<\/li><li>V\u1edbi h\u00e0ng \u0111\u1ee3i nhanh, t\u1ee9c l\u00e0 \u1ea3nh \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u nhanh h\u01a1n (Fast Queue) h\u1ecd c\u00f3 \u00e1p d\u1ee5ng c\u00e1c gi\u1edbi h\u1ea1n r\u1ea5t c\u1ee5 th\u1ec3. V\u1edbi g\u00f3i c\u01a1 b\u1ea3n (basic) ch\u1ec9 1000 \u1ea3nh\/th\u00e1ng. G\u00f3i LiteSpeed Server l\u00e0 5000 \u1ea3nh\/th\u00e1ng. G\u00f3i LiteSpeed Enterprise m\u00e0 t\u00f4i \u0111ang d\u00f9ng l\u00e0 10000 \u1ea3nh\/th\u00e1ng. N\u00f3i chung, tr\u1eeb khi b\u1ea1n c\u00f3 \u0111\u1ed9i ng\u0169 vi\u1ebft b\u00e0i l\u00ean \u0111\u1ebfn h\u00e0ng t\u00e1 (c\u00f3 kh\u1ea3 n\u0103ng vi\u1ebft v\u00e0i tr\u0103m b\u00e0i\/th\u00e1ng), c\u00f2n n\u1ebfu kh\u00f4ng ngay c\u1ea3 g\u00f3i th\u1ea5p nh\u1ea5t c\u0169ng \u0111\u1ee7 cho b\u1ea1n r\u1ed3i (b\u1ea1n vi\u1ebft t\u1eeb 10 &#8211; 20 b\u00e0i\/th\u00e1ng, m\u1ed7i b\u00e0i kho\u1ea3ng 5 &#8211; 10 \u1ea3nh).<\/li><\/ul>\n\n\n\n<p>PS: Quota cho g\u00f3i fast th\u01b0\u1eddng ch\u1ec9 l\u00e0 v\u1ea5n \u0111\u1ec1 khi b\u1ea1n m\u1edbi chuy\u1ec3n website l\u1edbn v\u1ec1 LiteSpeed, v\u00ec khi \u0111\u00f3 b\u1ea1n s\u1ebd c\u00f3 r\u1ea5t nhi\u1ec1u \u1ea3nh.<\/p>\n\n\n\n<p>V\u1edbi nh\u1eefng ai c\u00f3 nhu c\u1ea7u s\u1eed d\u1ee5ng cao h\u01a1n, LS cung c\u1ea5p c\u00e1c g\u00f3i c\u00f3 ph\u00ed cho ng\u01b0\u1eddi d\u00f9ng g\u1ed3m c\u1ea3 mua tr\u1ecdn g\u00f3i theo th\u00e1ng (monthly subscriptions) v\u00e0 d\u00f9ng \u0111\u1ebfn \u0111\u00e2u tr\u1ea3 \u0111\u1ebfn \u0111\u1ea5y (pay as you go).<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"625\" height=\"356\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2020\/06\/mua-theo-thang.png\" alt=\"c\u00e1c g\u00f3i cho ng\u01b0\u1eddi c\u00f3 nhu c\u1ea7u s\u1eed d\u1ee5ng cao\" class=\"wp-image-14367\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2020\/06\/mua-theo-thang.png 625w, https:\/\/kiencang.net\/wp-content\/uploads\/2020\/06\/mua-theo-thang-300x171.png 300w\" sizes=\"(max-width: 625px) 100vw, 625px\" \/><\/figure><\/div>\n\n\n<p>T\u00f4i ph\u1ea3i c\u00f3 l\u1eddi khen v\u1edbi m\u00f4 h\u00ecnh gi\u00e1 r\u1ea5t minh b\u1ea1ch v\u00e0 kh\u00f4n ngoan n\u00e0y c\u1ee7a LiteSpeed. C\u00f3 g\u00f3i mi\u1ec5n ph\u00ed v\u00e0 tr\u1ea3 ph\u00ed. Trong mi\u1ec5n ph\u00ed th\u00ec ph\u00e2n c\u1ea5p c\u00e1c \u01b0u ti\u00ean. Trong tr\u1ea3 ph\u00ed th\u00ec c\u00f3 \u0111a d\u1ea1ng g\u00f3i cho ng\u01b0\u1eddi d\u00f9ng l\u1ef1a ch\u1ecdn.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"3-lazy-load\"><span class=\"ez-toc-section\" id=\"3_Lazy_load\"><\/span>#3. Lazy load<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>LSCache c\u00f3 t\u00f9y ch\u1ecdn tri\u1ec3n khai <a rel=\"noreferrer noopener\" href=\"https:\/\/kiencang.net\/lazy-load-anh-va-video\/\" target=\"_blank\">lazy load \u1ea3nh<\/a>. V\u00e0 h\u1ecd s\u1eed d\u1ee5ng m\u1ed9t trong c\u00e1c c\u00f4ng ngh\u1ec7 lazy load hi\u1ec7n \u0111\u1ea1i nh\u1ea5t \u0111\u00f3 l\u00e0 <a rel=\"noreferrer noopener\" href=\"https:\/\/kiencang.net\/anh-lqip\/\" target=\"_blank\">LQIP (\u1ea3nh chi\u1ebfm ch\u1ed7 ch\u1ea5t l\u01b0\u1ee3ng th\u1ea5p)<\/a> \u0111\u1ec3 \u00edt \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng.<\/p>\n\n\n\n<p>\u1ea2nh minh h\u1ecda (hoa h\u01b0\u1edbng d\u01b0\u01a1ng) \u0111\u1ea7u b\u00e0i ch\u00ednh l\u00e0 \u1ea3nh LQIP c\u1ee7a \u1ea3nh ch\u1ea5t l\u01b0\u1ee3ng b\u00ecnh th\u01b0\u1eddng d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"427\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2020\/06\/hoa-huong-duong.jpg\" alt=\"\u1ea3nh hoa h\u01b0\u1edbng d\u01b0\u01a1ng ch\u1ea5t l\u01b0\u1ee3ng b\u00ecnh th\u01b0\u1eddng\" class=\"wp-image-14378\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2020\/06\/hoa-huong-duong.jpg 640w, https:\/\/kiencang.net\/wp-content\/uploads\/2020\/06\/hoa-huong-duong-300x200.jpg 300w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure><\/div>\n\n\n<p>LQIP l\u00e0 c\u00f4ng ngh\u1ec7 nhi\u1ec1u website l\u1edbn \u0111ang \u00e1p d\u1ee5ng, trong \u0111\u00f3 ph\u1ea3i k\u1ec3 \u0111\u1ebfn <a href=\"https:\/\/medium.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">trang Medium<\/a>.<\/p>\n\n\n\n<p>M\u1ed9t c\u00f4ng ngh\u1ec7 kh\u00e1c c\u0169ng hay \u0111\u01b0\u1ee3c d\u00f9ng khi lazy load \u1ea3nh l\u00e0 \u00e1p d\u1ee5ng ng\u01b0\u1ee1ng k\u00edch ho\u1ea1t t\u1ea3i \u1ea3nh. V\u00ed d\u1ee5 khi khung nh\u00ecn tr\u00ecnh duy\u1ec7t c\u00e1ch \u1ea3nh b\u00ean d\u01b0\u1edbi \u0111\u1ed9 1000px l\u00e0 \u1ea3nh s\u1ebd \u0111\u01b0\u1ee3c t\u1ea3i. Plugin t\u1ed1t v\u1ec1 m\u1ea3ng n\u00e0y l\u00e0 <a href=\"https:\/\/kiencang.net\/plugin-flying-images\/\" target=\"_blank\" rel=\"noreferrer noopener\">Flying Images<\/a> v\u00e0 <a href=\"https:\/\/kiencang.net\/gioi-thieu-plugin-a3-lazy-load\/\" target=\"_blank\" rel=\"noreferrer noopener\">a3 Lazy Load<\/a>.<\/p>\n\n\n\n<p>M\u1ed7i c\u00e1i c\u00f3 \u01b0u \u0111i\u1ec3m ri\u00eang. LQIP s\u1ebd cho t\u1ed1c \u0111\u1ed9 v\u00e0 kh\u1ea3 n\u0103ng ti\u1ebft ki\u1ec7m b\u0103ng th\u00f4ng t\u1ed1t h\u01a1n c\u00e1ch d\u00f9ng &#8220;ng\u01b0\u1ee1ng k\u00edch ho\u1ea1t&#8221;, nh\u01b0ng ng\u01b0\u1ee3c l\u1ea1i &#8220;ng\u01b0\u1ee1ng k\u00edch ho\u1ea1t&#8221; kh\u00f4ng ph\u1ea3i m\u1ea5t c\u00f4ng t\u1ea1o c\u00e1c \u1ea3nh gi\u1eef ch\u1ed7. Ng\u01b0\u1ee1ng k\u00edch ho\u1ea1t c\u0169ng ph\u00f9 h\u1ee3p h\u01a1n khi m\u00e1y ch\u1ee7 g\u1ed1c c\u1ee7a b\u1ea1n \u1edf xa ng\u01b0\u1eddi d\u00f9ng, LQIP c\u00f3 kh\u1ea3 n\u0103ng g\u1eb7p \u0111\u1ed9 tr\u1ec5 trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y.<\/p>\n\n\n\n<p>LSCache c\u0169ng t\u1ea1o \u1ea3nh LQIP th\u00f4ng qua cloud v\u00e0 \u00e1p d\u1ee5ng c\u00e1c gi\u1edbi h\u1ea1n mi\u1ec5n ph\u00ed t\u00f9y ng\u01b0\u1eddi d\u00f9ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1c g\u00f3i n\u00e9n \u1ea3nh:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"489\" height=\"403\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2020\/06\/lqip-free.png\" alt=\"c\u00e1c g\u00f3iLQIP free\" class=\"wp-image-14369\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2020\/06\/lqip-free.png 489w, https:\/\/kiencang.net\/wp-content\/uploads\/2020\/06\/lqip-free-300x247.png 300w\" sizes=\"(max-width: 489px) 100vw, 489px\" \/><\/figure><\/div>\n\n\n<p>Nh\u1eefng ai c\u00f3 nhu c\u1ea7u s\u1eed d\u1ee5ng cao h\u01a1n th\u00ec ph\u1ea3i mua. D\u1ec5 nh\u1eadn th\u1ea5y l\u00e0 s\u1ed1 l\u01b0\u1ee3ng \u1ea3nh LQIP mi\u1ec5n ph\u00ed kh\u00f4ng \u0111\u01b0\u1ee3c r\u1ed9ng r\u00e3i nh\u01b0 n\u00e9n \u1ea3nh (k\u00e9m h\u1eb3n 10 l\u1ea7n). V\u00e0 t\u1ed1c \u0111\u1ed9 t\u1ea1o \u1ea3nh LQIP ph\u1ea3i n\u00f3i l\u00e0 r\u1ea5t ch\u1eadm.<\/p>\n\n\n\n<p>V\u00ed d\u1ee5 v\u1ec1 c\u00e1c \u1ea3nh LQIP do LSCache t\u1ea1o:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"564\" height=\"487\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2020\/06\/vi-du-LQIP.png\" alt=\"\u1ea2nh LQIP\" class=\"wp-image-14370\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2020\/06\/vi-du-LQIP.png 564w, https:\/\/kiencang.net\/wp-content\/uploads\/2020\/06\/vi-du-LQIP-300x259.png 300w\" sizes=\"(max-width: 564px) 100vw, 564px\" \/><\/figure><\/div>\n\n\n<p>C\u00e1c \u1ea3nh LQIP khi t\u00f4i ki\u1ec3m tra \u0111\u1ec1u l\u00e0 <a href=\"https:\/\/kiencang.net\/gif-png-jpg-hoac-svg\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u1ea3nh SVG<\/a>. \u1ea2nh n\u00e0y c\u00f3 \u01b0u \u0111i\u1ec3m kh\u00f4ng b\u1ecb v\u1ee1 khi ph\u00f3ng to thu nh\u1ecf, kh\u00f4ng t\u0103ng dung l\u01b0\u1ee3ng v\u1edbi k\u00edch th\u01b0\u1edbc l\u1edbn v\u00e0 c\u00f3 dung l\u01b0\u1ee3ng t\u1ed1t tr\u00ean c\u00e1c \u1ea3nh c\u00f3 b\u1ed1 c\u1ee5c, m\u00e0u s\u1eafc \u0111\u01a1n gi\u1ea3n, r\u1ea5t h\u1ee3p khi \u00e1p d\u1ee5ng v\u00e0o LQIP.<\/p>\n\n\n\n<p>\u0110\u1ecbnh d\u1ea1ng SVG gi\u00fap LSCache c\u00f3 th\u1ec3 inline (n\u1ed9i tuy\u1ebfn) tr\u1ef1c ti\u1ebfp \u1ea3nh v\u00e0o HTML, gi\u00fap t\u0103ng t\u1ed1c v\u00e0 gi\u1ea3m \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng.<\/p>\n\n\n\n<p>LSCache c\u0169ng c\u00f3 t\u00f9y ch\u1ecdn ch\u1ea5t l\u01b0\u1ee3ng \u1ea3nh c\u1ee7a LQIP, m\u1eb7c \u0111\u1ecbnh l\u00e0 4, nh\u01b0ng b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ec3 trong kho\u1ea3ng t\u1eeb 1 &#8211; 20. Tuy nhi\u00ean n\u1ebfu \u0111\u1ec3 qu\u00e1 cao, trang HTML c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 t\u0103ng dung l\u01b0\u1ee3ng. T\u00f4i th\u1ea5y \u0111\u1ec3 ch\u1ea5t l\u01b0\u1ee3ng \u1ea3nh l\u00e0 4 \u1ed5n trong ph\u1ea7n l\u1edbn tr\u01b0\u1eddng h\u1ee3p.<\/p>\n\n\n\n<p>Ngo\u00e0i lazy load \u1ea3nh, <a href=\"https:\/\/kiencang.net\/plugin-litespeed-cache-lazyload-tot\/\" target=\"_blank\" rel=\"noreferrer noopener\">LSCache c\u00f2n lazy load c\u1ea3 video (iframe)- v\u00e0 h\u1ecd \u0111ang l\u00e0m t\u1ed1t nhi\u1ec7m v\u1ee5 n\u00e0y<\/a> (d\u00f9 tr\u01b0\u1edbc \u0111\u00e2y t\u00f4i ngh\u0129 r\u1eb1ng kh\u00f4ng c\u00f3 g\u00ec \u0111\u1eb7c bi\u1ec7t), ngo\u00e0i ra b\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng th\u1eed <a rel=\"noreferrer noopener\" href=\"https:\/\/kiencang.net\/gioi-thieu-plugin-wp-youtube-lyte\/\" target=\"_blank\">plugin WP YouTube Lyte<\/a>.<\/p>\n\n\n\n<p>C\u00e1c t\u00f9y ch\u1ecdn lazy load c\u1ee7a LSCache c\u0169ng r\u1ea5t m\u1ea1nh, ch\u1eb3ng h\u1ea1n b\u1ea1n ch\u1ecdn \u0111\u01b0\u1ee3c c\u00e1c file \u1ea3nh ho\u1eb7c class, ho\u1eb7c class cha kh\u00f4ng c\u1ea7n lazy load, \u0111i\u1ec1u r\u1ea5t c\u00f3 \u00edch cho c\u00e1c \u1ea3nh n\u1eb1m tr\u00ean <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> nh\u01b0 logo v\u00e0 \u1ea3nh minh h\u1ecda \u0111\u1ea7u b\u00e0i (featured image).<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"4-co-backup\"><span class=\"ez-toc-section\" id=\"4_Co_backup\"><\/span>#4. C\u00f3 backup<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>LiteSpeed cache t\u1ea1o th\u01b0 m\u1ee5c backup tr\u00ean host g\u1ed1c c\u1ee7a b\u1ea1n \u0111\u1ec3 trong tr\u01b0\u1eddng h\u1ee3p b\u1ea1n kh\u00f4ng h\u00e0i l\u00f2ng v\u1edbi \u1ea3nh sau n\u00e9n th\u00ec c\u00f3 th\u1ec3 kh\u00f4i ph\u1ee5c l\u1ea1i.<\/p>\n\n\n\n<p>N\u00f3 c\u0169ng c\u00f3 t\u00f9y ch\u1ecdn chuy\u1ec3n qua l\u1ea1i gi\u1eefa \u1ea3nh g\u1ed1c v\u00e0 \u1ea3nh n\u00e9n r\u1ea5t d\u1ec5 d\u00e0ng \u0111\u1ec3 b\u1ea1n ti\u1ec7n so s\u00e1nh, c\u0169ng nh\u01b0 kh\u1eafc ph\u1ee5c v\u1ea5n \u0111\u1ec1 khi c\u1ea7n.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"401\" height=\"162\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2020\/06\/chuyen-anh.png\" alt=\"chuy\u1ec3n v\u1ec1 \u1ea3nh g\u1ed1c khi c\u1ea7n\" class=\"wp-image-14372\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2020\/06\/chuyen-anh.png 401w, https:\/\/kiencang.net\/wp-content\/uploads\/2020\/06\/chuyen-anh-300x121.png 300w\" sizes=\"(max-width: 401px) 100vw, 401px\" \/><\/figure><\/div>\n\n\n<p>H\u1ea7u h\u1ebft c\u00e1c plugin n\u00e9n \u1ea3nh \u0111\u1ec1u c\u00f3 backup \u1ea3nh g\u1ed1c d\u1ef1 ph\u00f2ng, n\u00f3 th\u1ef1c s\u1ef1 c\u1ea7n thi\u1ebft, nh\u01b0 m\u1ed9t h\u00ecnh th\u1ee9c b\u1ea3o hi\u1ec3m khi m\u00e0 b\u1ea1n &#8220;l\u1ee1 tay&#8221;. Tuy nhi\u00ean backup c\u0169ng c\u00f3 c\u00e1i gi\u00e1 c\u1ee7a n\u00f3:<\/p>\n\n\n\n<ul><li>N\u00f3 l\u00e0m dung l\u01b0\u1ee3ng s\u1eed d\u1ee5ng c\u1ee7a b\u1ea1n ph\u00ecnh to ra, th\u01b0\u1eddng l\u00e0 g\u1ea5p \u0111\u00f4i, v\u00ec ph\u1ea7n l\u1edbn dung l\u01b0\u1ee3ng tr\u00ean website l\u00e0 \u1ea3nh. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng kh\u00f4ng th\u00e0nh v\u1ea7n \u0111\u1ec1 tr\u00ean VPS, nh\u01b0ng tr\u00ean c\u00e1c g\u00f3i shared hosting, v\u1ed1n gi\u1edbi h\u1ea1n dung l\u01b0\u1ee3ng SSD th\u00ec n\u00f3 c\u00f3 th\u1ec3 l\u00e0 tr\u1edf ng\u1ea1i.<\/li><li>N\u00f3 l\u00e0m c\u00e1c thao t\u00e1c li\u00ean quan \u0111\u1ebfn d\u1eef li\u1ec7u m\u1ea5t th\u1eddi gian h\u01a1n, v\u00ed d\u1ee5 nh\u01b0 khi backup to\u00e0n b\u1ed9 website, khi kh\u00f4i ph\u1ee5c website, khi chuy\u1ec3n hosting.<\/li><\/ul>\n\n\n\n<p>M\u1eb9o lo\u1ea1i b\u1ecf backup: \u0111i\u1ec1u n\u00e0y t\u00f4i kh\u00f4ng khuy\u00ean t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi, nh\u01b0ng v\u1ec1 m\u1eb7t c\u00e1 nh\u00e2n, t\u00f4i th\u01b0\u1eddng d\u00f9ng t\u00ednh n\u0103ng n\u00e9n kh\u00f4ng m\u1ea5t ch\u1ea5t l\u01b0\u1ee3ng (do \u0111\u00f3 kh\u00f4ng l\u00e0m ch\u1ea5t l\u01b0\u1ee3ng \u1ea3nh sau n\u00e9n b\u1ecb \u1ea3nh h\u01b0\u1edfng), sau \u0111\u00f3 kh\u00f4ng d\u00f9ng t\u00ednh n\u0103ng backup, ho\u1eb7c x\u00f3a c\u00e1c \u1ea3nh backup \u0111i.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"5-webp\"><span class=\"ez-toc-section\" id=\"5_WebP\"><\/span>5. WebP<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"https:\/\/kiencang.net\/dinh-dang-anh-webp\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u1ea2nh \u0111\u1ecbnh d\u1ea1ng webp<\/a> cho h\u1ec7 s\u1ed1 n\u00e9n t\u1ed1t h\u01a1n m\u00e0 ch\u1ea5t l\u01b0\u1ee3ng ngang ng\u1eeda JPG v\u00e0 PNG. T\u00f4i t\u1eebng d\u00e0nh kha kh\u00e1 th\u1eddi gian t\u00ecm hi\u1ec3u \u0111\u1ecbnh d\u1ea1ng n\u00e0y c\u00e1ch \u0111\u00e2y kho\u1ea3ng 3 n\u0103m, v\u00e0 c\u0169ng t\u1eebng \u00e1p d\u1ee5ng n\u00f3 <a href=\"https:\/\/kiencang.net\/chuyen-anh-tren-wordpress-sang-dinh-dang-webp\/\" target=\"_blank\" rel=\"noreferrer noopener\">tr\u00ean website c\u00f3 h\u01a1n 12 ng\u00e0n \u1ea3nh<\/a> (t\u00ednh c\u1ea3 \u1ea3nh thu nh\u1ecf). LSCache gi\u1ed1ng ShortPixel gi\u00fap b\u1ea1n t\u1ea1o \u1ea3nh WebP v\u00e0 t\u00edch h\u1ee3p n\u00f3 v\u00e0o m\u00e3 ngu\u1ed3n c\u1ee7a trang.<\/p>\n\n\n\n<p>V\u1ec1 kho\u1ea3n t\u00edch h\u1ee3p th\u00ec LSCache t\u1ed1t h\u01a1n v\u00ec b\u1ea3n th\u00e2n n\u00f3 c\u0169ng l\u00e0 plugin cache lu\u00f4n r\u1ed3i, vi\u1ec7c t\u01b0\u01a1ng th\u00edch v\u1edbi nhau l\u00e0 hi\u1ec3n nhi\u00ean, c\u00f2n ShortPixel v\u1edbi nh\u1eefng plugin cache kh\u00f4ng h\u1ee3p, vi\u1ec7c c\u1ea5u h\u00ecnh s\u1ebd kh\u00e1 l\u1ed9n x\u1ed9n v\u00e0 ph\u1ee9c t\u1ea1p. \u0110\u00f3 l\u00e0 ch\u01b0a k\u1ec3 \u0111\u1ebfn vai tr\u00f2 c\u1ee7a m\u00e1y ch\u1ee7 web n\u1eefa, NGINX t\u00edch h\u1ee3p WebP t\u01b0\u01a1ng \u0111\u1ed1i kh\u00f3, APACHE th\u00ec d\u1ec5 h\u01a1n.<\/p>\n\n\n\n<p>\u1ede th\u1eddi \u0111i\u1ec3m hi\u1ec7n t\u1ea1i t\u00f4i kh\u00f4ng m\u1eb7n m\u00e0 v\u1edbi webp cho l\u1eafm v\u00ec:<\/p>\n\n\n\n<ul><li>N\u00f3 n\u00e9n t\u1ed1t h\u01a1n jpg v\u00e0 png th\u1eadt nh\u01b0ng kh\u00f4ng qu\u00e1 nhi\u1ec1u. <\/li><li>Vi\u1ec7c c\u1ea5u h\u00ecnh n\u00f3 kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng d\u1ec5 d\u00e0ng, d\u00f9 v\u1edbi LSCache th\u00ec chuy\u1ec7n n\u00e0y r\u1ea5t d\u1ec5, nh\u01b0ng v\u1edbi m\u00e1y ch\u1ee7 kh\u00e1c, plugin n\u00e9n \u1ea3nh, cache kh\u00e1c m\u1ecdi chuy\u1ec7n l\u1ea1i ph\u1ee9c t\u1ea1p h\u01a1n.<\/li><li>N\u00f3 ch\u01b0a \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 c\u00e1c phi\u00ean b\u1ea3n d\u01b0\u1edbi 14 c\u1ee7a Safari) n\u00ean b\u1ea1n v\u1eabn ph\u1ea3i c\u00f3 d\u1ef1 ph\u00f2ng, t\u1ee9c l\u00e0 ph\u1ea3i c\u00f3 c\u1ea3 \u1ea3nh JPG v\u00e0 PNG,&#8230;n\u1eefa. N\u00f3i c\u00e1ch kh\u00e1c l\u00e0 nhi\u1ec1u dung l\u01b0\u1ee3ng \u1ed5 c\u1ee9ng h\u01a1n \u0111\u1ec3 l\u01b0u tr\u1eef.<\/li><\/ul>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"6-cdn\"><span class=\"ez-toc-section\" id=\"6_CDN\"><\/span>6. CDN<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>M\u1eb7c \u0111\u1ecbnh CDN tr\u00ean QUIC.cloud kh\u00f4ng \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t, n\u1ebfu mu\u1ed1n d\u00f9ng b\u1ea1n ph\u1ea3i b\u1eadt CDN \u1edf c\u1ea3 LSCache v\u00e0 QUIC.<\/p>\n\n\n\n<p>B\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ecdc <a href=\"https:\/\/kiencang.net\/cdn-quic-cloud\/\" target=\"_blank\" rel=\"noreferrer noopener\">h\u01b0\u1edbng d\u1eabn n\u00e0y \u0111\u1ec3 bi\u1ebft c\u00e1ch l\u00e0m<\/a>.<\/p>\n\n\n\n<p>Hi\u1ec7n t\u1ea1i CDN c\u1ee7a QUIC v\u1eabn \u1edf d\u1ea1ng beta, c\u00f3 kh\u1ea3 n\u0103ng cache HTML v\u00e0 \u0111\u1eb7t n\u00f3 t\u1ea1i c\u00e1c PoP, nh\u01b0ng ch\u1ea5t l\u01b0\u1ee3ng v\u1eabn ch\u01b0a th\u1ef1c s\u1ef1 \u1ea5n t\u01b0\u1ee3ng n\u00ean c\u00f3 l\u1ebd n\u1ebfu b\u1ea1n \u0111ang \u1ed5n \u0111\u1ecbnh v\u1edbi d\u1ecbch v\u1ee5 CDN n\u00e0o \u0111\u00f3 kh\u00e1c ho\u1eb7c m\u00e1y ch\u1ee7 \u0111\u00e3 g\u1ea7n ng\u01b0\u1eddi d\u00f9ng r\u1ed3i th\u00ec kh\u00f4ng c\u1ea7n CDN c\u1ee7a QUIC n\u1eefa.<\/p>\n\n\n\n<p>[<strong>C\u1eadp nh\u1eadt<\/strong>]: hi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a QUIC \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n r\u1ea5t nhi\u1ec1u, nhi\u1ec1u website c\u1ee7a t\u00f4i \u0111\u00e3 quay tr\u1edf l\u1ea1i d\u00f9ng QUIC cloud, \u0111\u1eb7c bi\u1ec7t l\u00e0 m\u1ea5y hosting \u1edf xa ng\u01b0\u1eddi d\u00f9ng, nh\u1eb1m t\u1eadn d\u1ee5ng t\u00ednh n\u0103ng cache HTML \u1edf CDN c\u1ee7a h\u1ecd.<\/p>\n\n\n\n<p class=\"has-background\" style=\"background-color:#fffccc\">PS: \u0111\u1ec3 th\u1ef1c s\u1ef1 <a href=\"https:\/\/kiencang.net\/goi-tra-phi-quic-cloud\/\" target=\"_blank\" rel=\"noreferrer noopener\">tr\u1ea3i nghi\u1ec7m CDN c\u1ee7a QUIC, t\u00f4i quy\u1ebft \u0111\u1ecbnh cho trang Ki\u1ebfn c\u00e0ng bay v\u1ec1 v\u00f9ng \u0111\u1ea5t m\u1edbi n\u00e0y<\/a>. K\u1ebft qu\u1ea3 kh\u00e1 \u1ea5n t\u01b0\u1ee3ng, t\u1ed1c \u0111\u1ed9 trang t\u1ed1t, gi\u00e1 CDN c\u0169ng kh\u00f4ng h\u1ec1 \u0111\u1eaft.<\/p>\n\n\n\n<p>CDN cho \u1ea3nh th\u00ec t\u00f4i kh\u00f4ng d\u00f9ng QUIC, kh\u00f4ng ph\u1ea3i v\u00ec t\u1ed1c \u0111\u1ed9 n\u00f3 k\u00e9m hay gi\u00e1 \u0111\u1eaft m\u00e0 v\u00ec t\u1ef7 l\u1ec7 <a href=\"https:\/\/kiencang.net\/cache-hit-ratio\/\" target=\"_blank\" rel=\"noreferrer noopener\">cache hit ratio<\/a> kh\u00f4ng cao nh\u01b0 d\u1ecbch v\u1ee5 BunnyCDN. Nh\u01b0ng n\u1ebfu b\u1ea1n kh\u00f4ng c\u1ea7n t\u1ed1i \u01b0u s\u00e2u, th\u00ec d\u00f9ng CDN c\u1ee7a QUIC r\u1ea5t ti\u1ec7n, v\u00ec b\u1ea1n kh\u00f4ng c\u1ea7n ph\u1ea3i t\u1ea1o subdomain ri\u00eang cho file static.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"k\u1ebft-lu\u1eadn\"><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span>K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Nh\u00ecn chung t\u00f4i h\u00e0i l\u00f2ng v\u1edbi t\u00ednh n\u0103ng t\u1ed1i \u01b0u \u1ea3nh c\u1ee7a LSCache. N\u1ebfu c\u00f3 mong mu\u1ed1n c\u1ea3i ti\u1ebfn n\u00e0o th\u00ec t\u00f4i mong l\u00e0 h\u1ecd c\u00f3 t\u00f9y ch\u1ecdn lazy load \u1ea3nh ki\u1ec3u &#8220;k\u00edch ho\u1ea1t d\u1ef1a tr\u00ean ng\u01b0\u1ee1ng&#8221; (\u0111\u1ec3 m\u1ecdi ng\u01b0\u1eddi c\u00f3 \u0111a d\u1ea1ng l\u1ef1a ch\u1ecdn h\u01a1n) v\u00e0 t\u1ed1c \u0111\u1ed9 t\u1ed1i \u01b0u \u1ea3nh c\u1ea7n nhanh h\u01a1n (\u0111\u1eb7c bi\u1ec7t l\u00e0 LQIP). T\u00f4i bi\u1ebft d\u1ecbch v\u1ee5 t\u1ed1i \u01b0u \u1ea3nh th\u1eadt kh\u00f3 m\u00e0 nhanh \u0111\u01b0\u1ee3c v\u00ec d\u1ecbch v\u1ee5 \u0111\u00e3 mi\u1ec5n ph\u00ed l\u1ea1i c\u00f2n th\u00f4ng qua cloud.<\/p>\n\n\n\n<p>Cu\u1ed1i c\u00f9ng b\u1ea1n n\u00e0o mu\u1ed1n bi\u1ebft <a href=\"https:\/\/kiencang.net\/hd-plugin-litespeed-cache-p1\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e1ch c\u00e0i \u0111\u1eb7t plugin LiteSpeed Cache n\u00e2ng cao th\u00ec tham kh\u1ea3o b\u00e0i n\u00e0y<\/a> nh\u00e9.<\/p>\n\n\n\n<p>Xin ch\u00e0o vs h\u1eb9n g\u1eb7p l\u1ea1i.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1c plugin t\u1ed1i \u01b0u \u1ea3nh lu\u00f4n n\u1eb1m trong nh\u00f3m plugin quan tr\u1ecdng nh\u1ea5t v\u1edbi b\u1ea5t k\u1ef3 website n\u00e0o \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c trang web nhi\u1ec1u \u1ea3nh nh\u01b0 trang th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed ho\u1eb7c ki\u1ec3u blog h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng. LiteSpeed Cache (LSCache) l\u00e0 plugin to\u00e0n di\u1ec7n nh\u1ea5t v\u1ec1 m\u1ea3ng t\u0103ng t\u1ed1c cho website WordPress, \u0111\u1eb7c &hellip;<\/p>\n","protected":false},"author":1,"featured_media":14376,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[252,280],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>V\u00e0i nh\u1eadn x\u00e9t v\u1ec1 d\u1ecbch v\u1ee5 t\u1ed1i \u01b0u \u1ea3nh c\u1ee7a LiteSpeed &#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-anh-litespeed\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"V\u00e0i nh\u1eadn x\u00e9t v\u1ec1 d\u1ecbch v\u1ee5 t\u1ed1i \u01b0u \u1ea3nh c\u1ee7a LiteSpeed &#8226; Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"og:description\" content=\"C\u00e1c plugin t\u1ed1i \u01b0u \u1ea3nh lu\u00f4n n\u1eb1m trong nh\u00f3m plugin quan tr\u1ecdng nh\u1ea5t v\u1edbi b\u1ea5t k\u1ef3 website n\u00e0o \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c trang web nhi\u1ec1u \u1ea3nh nh\u01b0 trang th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed ho\u1eb7c ki\u1ec3u blog h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng. LiteSpeed Cache (LSCache) l\u00e0 plugin to\u00e0n di\u1ec7n nh\u1ea5t v\u1ec1 m\u1ea3ng t\u0103ng t\u1ed1c cho website WordPress, \u0111\u1eb7c &hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kiencang.net\/toi-uu-anh-litespeed\/\" \/>\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=\"2022-01-22T04:56:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-08-06T07:53:49+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/kiencang.net\/wp-content\/uploads\/2020\/06\/huong-duong-lqip.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"640\" \/>\n\t<meta property=\"og:image:height\" content=\"427\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\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=\"9 ph\u00fat\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"V\u00e0i nh\u1eadn x\u00e9t v\u1ec1 d\u1ecbch v\u1ee5 t\u1ed1i \u01b0u \u1ea3nh c\u1ee7a LiteSpeed &#8226; Ki\u1ebfn c\u00e0ng","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/kiencang.net\/toi-uu-anh-litespeed\/","og_locale":"vi_VN","og_type":"article","og_title":"V\u00e0i nh\u1eadn x\u00e9t v\u1ec1 d\u1ecbch v\u1ee5 t\u1ed1i \u01b0u \u1ea3nh c\u1ee7a LiteSpeed &#8226; Ki\u1ebfn c\u00e0ng","og_description":"C\u00e1c plugin t\u1ed1i \u01b0u \u1ea3nh lu\u00f4n n\u1eb1m trong nh\u00f3m plugin quan tr\u1ecdng nh\u1ea5t v\u1edbi b\u1ea5t k\u1ef3 website n\u00e0o \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c trang web nhi\u1ec1u \u1ea3nh nh\u01b0 trang th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed ho\u1eb7c ki\u1ec3u blog h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng. 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