{"id":16834,"date":"2019-12-10T10:18:20","date_gmt":"2019-12-10T10:18:20","guid":{"rendered":"https:\/\/kiencang.net\/?p=13882"},"modified":"2022-08-04T15:42:39","modified_gmt":"2022-08-04T08:42:39","slug":"tang-toc-wordpress-re-tien-de-lam","status":"publish","type":"post","link":"https:\/\/kiencang.net\/tang-toc-wordpress-re-tien-de-lam\/","title":{"rendered":"Th\u1ef1c h\u00e0nh t\u0103ng t\u1ed1c WordPress theo h\u01b0\u1edbng r\u1ebb ti\u1ec1n v\u00e0 d\u1ec5 tri\u1ec3n khai"},"content":{"rendered":"\n<p>C\u00e1ch \u0111\u00e2y kho\u1ea3ng m\u1ed9t n\u0103m, t\u00f4i c\u00f3 vi\u1ebft chi ti\u1ebft v\u1ec1 <a href=\"https:\/\/kiencang.net\/tang-toc-wordpress\/\">c\u00e1ch t\u0103ng t\u1ed1c WordPress tr\u00ean trang Ki\u1ebfn c\u00e0ng<\/a>. N\u00f3 l\u00e0 b\u00e0i vi\u1ebft \u0111\u1ed3 s\u1ed9 v\u1edbi r\u1ea5t nhi\u1ec1u k\u1ef9 thu\u1eadt c\u00f3 th\u1ec3 khi\u1ebfn b\u1ea1n ng\u1ed9p, nh\u1ea5t l\u00e0 v\u1edbi ng\u01b0\u1eddi m\u1edbi. <\/p>\n\n\n\n<p>Trong b\u00e0i vi\u1ebft n\u00e0y, t\u00f4i h\u01b0\u1edbng \u0111\u1ebfn c\u00e1ch ti\u1ebfp c\u1eadn v\u1eeba \u0111\u01a1n gi\u1ea3n h\u01a1n, v\u1eeba \u00edt t\u1ed1n k\u00e9m. D\u0129 nhi\u00ean n\u00f3 kh\u00f4ng ho\u00e0n h\u1ea3o, nh\u01b0ng ch\u1eafc ch\u1eafn s\u1ebd ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u ng\u01b0\u1eddi.<\/p>\n\n\n\n<p>Xem video n\u1ebfu b\u1ea1n mu\u1ed1n:<\/p>\n\n\n\n<iframe loading=\"lazy\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/bATBeoYoRR4\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"><\/iframe>\n\n\n\n<p>OK, ch\u00fang ta b\u1eaft \u0111\u1ea7u lu\u00f4n nh\u00e9.<\/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-6577d726db5f1\" ><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-6577d726db5f1\"  type=\"checkbox\" id=\"item-6577d726db5f1\"><\/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\/tang-toc-wordpress-re-tien-de-lam\/#1_Chon_hosting\" title=\"#1. Ch\u1ecdn hosting\">#1. Ch\u1ecdn hosting<\/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\/tang-toc-wordpress-re-tien-de-lam\/#2_Loai_bo_CSS_chan_hien_thi\" title=\"#2. Lo\u1ea1i b\u1ecf CSS ch\u1eb7n hi\u1ec3n th\u1ecb\">#2. Lo\u1ea1i b\u1ecf CSS ch\u1eb7n hi\u1ec3n th\u1ecb<\/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\/tang-toc-wordpress-re-tien-de-lam\/#3_Loai_bo_JS_chan_hien_thi\" title=\"#3. Lo\u1ea1i b\u1ecf JS ch\u1eb7n hi\u1ec3n th\u1ecb\">#3. Lo\u1ea1i b\u1ecf JS ch\u1eb7n hi\u1ec3n th\u1ecb<\/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\/tang-toc-wordpress-re-tien-de-lam\/#4_Lazy_load_anh\" title=\"#4. Lazy load \u1ea3nh\">#4. Lazy load \u1ea3nh<\/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\/tang-toc-wordpress-re-tien-de-lam\/#5_Su_dung_plugin_cache_mien_phi\" title=\"#5. S\u1eed d\u1ee5ng plugin cache mi\u1ec5n ph\u00ed\">#5. S\u1eed d\u1ee5ng plugin cache 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-6\" href=\"https:\/\/kiencang.net\/tang-toc-wordpress-re-tien-de-lam\/#6_Toi_uu_hoa_dung_luong_anh\" title=\"#6. T\u1ed1i \u01b0u h\u00f3a dung l\u01b0\u1ee3ng \u1ea3nh\">#6. T\u1ed1i \u01b0u h\u00f3a dung l\u01b0\u1ee3ng \u1ea3nh<\/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\/tang-toc-wordpress-re-tien-de-lam\/#7_Chon_theme\" title=\"#7. Ch\u1ecdn theme\">#7. Ch\u1ecdn theme<\/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\/tang-toc-wordpress-re-tien-de-lam\/#8_Su_dung_CDN_mien_phi\" title=\"#8. S\u1eed d\u1ee5ng CDN mi\u1ec5n ph\u00ed\">#8. S\u1eed d\u1ee5ng CDN 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-9\" href=\"https:\/\/kiencang.net\/tang-toc-wordpress-re-tien-de-lam\/#9_Preconnect_den_tai_nguyen_cua_ben_thu_ba\" title=\"#9. Preconnect \u0111\u1ebfn t\u00e0i nguy\u00ean c\u1ee7a b\u00ean th\u1ee9 ba\">#9. Preconnect \u0111\u1ebfn t\u00e0i nguy\u00ean c\u1ee7a b\u00ean th\u1ee9 ba<\/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\/tang-toc-wordpress-re-tien-de-lam\/#10_Ket_luan\" title=\"#10. K\u1ebft lu\u1eadn\">#10. K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Chon_hosting\"><\/span>#1. Ch\u1ecdn hosting<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Y\u00eau c\u1ea7u:<\/p>\n\n\n\n<ul><li>Kh\u00f4ng d\u00f9ng <a href=\"https:\/\/kiencang.net\/shared-hosting-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">shared hosting<\/a> ch\u1ea5t l\u01b0\u1ee3ng th\u1ea5p;<\/li><li>N\u1ebfu v\u1eabn d\u00f9ng shared hosting ch\u1ee7 \u0111\u1ed9ng t\u00ecm d\u1ecbch v\u1ee5 ch\u1ea5t l\u01b0\u1ee3ng cao;<\/li><li>L\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n l\u00e0 mua VPS;<\/li><li>Ch\u1ecdn v\u1ecb tr\u00ed g\u1ea7n Vi\u1ec7t Nam;<\/li><\/ul>\n\n\n\n<p>\u1ee8ng c\u1eed vi\u00ean nh\u01b0 th\u01b0\u1eddng l\u1ec7 bao g\u1ed3m:<\/p>\n\n\n\n<ul><li><a href=\"https:\/\/www.vultr.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Vultr<\/a><\/li><li><a href=\"https:\/\/www.digitalocean.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">DigitalOcean<\/a><\/li><li><a href=\"https:\/\/www.linode.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Linode<\/a><\/li><li><a href=\"https:\/\/upcloud.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">UpCloud<\/a><\/li><li><a href=\"https:\/\/aws.amazon.com\/vi\/lightsail\/\" target=\"_blank\" rel=\"noreferrer noopener\">Amazon Lightsail<\/a><\/li><\/ul>\n\n\n\n<p>Nh\u00f3m tr\u00ean c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ec1u c\u00f3 location t\u1ea1i Singapore, l\u00e0 n\u01a1i r\u1ea5t g\u1ea7n Vi\u1ec7t Nam. Ngo\u00e0i ra ph\u1ea3i n\u00f3i \u0111\u1ebfn gi\u00e1 c\u1ea3, ph\u1ea7n l\u1edbn n\u1eb1m trong t\u1ea7m v\u1edbi c\u1ee7a ch\u00fang ta, khi gi\u00e1 kh\u1edfi \u0111i\u1ec3m th\u01b0\u1eddng ch\u1ec9 5 &#8211; 6$\/th\u00e1ng.<\/p>\n\n\n\n<p>L\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn \u1edf th\u1eddi \u0111i\u1ec3m hi\u1ec7n t\u1ea1i l\u00e0 Vultr, b\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng Plesk (b\u1ea3n mi\u1ec5n ph\u00ed) ho\u1eb7c <a href=\"https:\/\/kiencang.net\/huong-dan-cyber-panel\/\" target=\"_blank\" rel=\"noreferrer noopener\">CyberPanel<\/a> l\u00e0m control panel. N\u1ebfu bi\u1ebft c\u00e1c d\u00f2ng l\u1ec7nh, c\u00e1c l\u1ef1a ch\u1ecdn s\u1ebd \u0111a d\u1ea1ng v\u00e0 t\u1ed1i \u01b0u t\u1ed1c \u0111\u1ed9 h\u01a1n.<\/p>\n\n\n\n<p>Xem k\u1ef9 h\u01a1n v\u1ec1 <a href=\"https:\/\/kiencang.net\/mua-hosting-cho-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e1ch ch\u1ecdn hosting cho WordPress \u1edf \u0111\u00e2y<\/a>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Loai_bo_CSS_chan_hien_thi\"><\/span>#2. Lo\u1ea1i b\u1ecf CSS ch\u1eb7n hi\u1ec3n th\u1ecb<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"https:\/\/kiencang.net\/uu-tien-noi-dung-hien-thi\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u01afu ti\u00ean n\u1ed9i dung cho m\u00e0n h\u00ecnh \u0111\u1ea7u ti\u00ean<\/a> b\u1eaft \u0111\u1ea7u v\u1edbi vi\u1ec7c lo\u1ea1i b\u1ecf CSS ch\u1eb7n hi\u1ec3n th\u1ecb. Ch\u1ec9 t\u1ea3i <a href=\"https:\/\/kiencang.net\/critical-css-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">critical CSS<\/a>, gi\u00fap t\u1ed1c \u0111\u1ed9 hi\u1ec3n th\u1ecb website nhanh h\u01a1n v\u1edbi ng\u01b0\u1eddi d\u00f9ng t\u1eeb 50 &#8211; 80%. N\u1ebfu website c\u1ee7a b\u1ea1n c\u00e0ng \u0111\u1ed3 s\u1ed9, c\u00e0ng nhi\u1ec1u plugin, bi\u1ec7n ph\u00e1p n\u00e0y c\u00e0ng t\u1ecf ra c\u00f3 hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n<p>C\u00e1ch \u0111\u01a1n gi\u1ea3n, r\u1ebb nh\u1ea5t \u0111\u1ec3 l\u00e0m l\u00e0 s\u1eed d\u1ee5ng <a href=\"https:\/\/wordpress.org\/plugins\/autoptimize\/\" target=\"_blank\" rel=\"noreferrer noopener\">plugin Autoptimize<\/a> (mi\u1ec5n ph\u00ed\/xem <a href=\"https:\/\/kiencang.net\/plugin-autoptimize\/\" target=\"_blank\" rel=\"noreferrer noopener\">h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng \u1edf \u0111\u00e2y<\/a>) + \u1ee9ng d\u1ee5ng t\u1ea1o critical CSS mi\u1ec5n ph\u00ed l\u00e0 <a href=\"https:\/\/pegasaas.com\/critical-path-css-generator\/\" target=\"_blank\" rel=\"noreferrer noopener\">Pegasaas<\/a>. \u1ede t\u00f9y ch\u1ecdn \u1edf Autoptimze, b\u1ea1n v\u00e0o ph\u1ea7n <em>Inline and Defer CSS<\/em> (N\u1ed9i tuy\u1ebfn v\u00e0 Tr\u00ec ho\u00e3n t\u1ea3i CSS), r\u1ed3i paste \u0111o\u1ea1n m\u00e3 critical CSS m\u00e0 Pegasaas tr\u00edch xu\u1ea5t ra:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/inline-CSS.png\" alt=\"n\u1ed9i tuy\u1ebfn CSS\" class=\"wp-image-13884\"\/><\/figure><\/div>\n\n\n<p>B\u1ea3n ch\u1ea5t c\u1ee7a vi\u1ec7c n\u00e0y l\u00e0 n\u00f3 s\u1ebd t\u00e1ch CSS c\u1ee7a b\u1ea1n l\u00e0m 2 ph\u1ea7n:<\/p>\n\n\n\n<ul><li>Critical CSS \u0111\u01b0\u1ee3c n\u1ed9i tuy\u1ebfn (ch\u00e8n m\u00e3 tr\u1ef1c ti\u1ebfp v\u00e0o th\u1ebb <em>&lt;head&gt;<\/em> trong file HTML), ch\u00ednh l\u00e0 \u0111o\u1ea1n m\u00e3 gi\u1ed1ng nh\u01b0 tr\u00ean, th\u01b0\u1eddng ch\u1ec9 v\u00e0i ch\u1ee5c KB<\/li><li>Tr\u00ec ho\u00e3n ph\u1ea7n l\u1edbn CSS c\u00f2n l\u1ea1i (file CSS ri\u00eang) qua \u0111\u00f3 gi\u00fap t\u0103ng t\u1ed1c Website nh\u1edd tr\u00ecnh duy\u1ec7t kh\u00f4ng ph\u1ea3i ph\u00e2n t\u00edch (parse) m\u1ed9t kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn CSS ngay l\u1eadp t\u1ee9c<\/li><\/ul>\n\n\n\n<p>\u0110\u1ec3 r\u00f5 r\u00e0ng h\u01a1n, t\u00f4i s\u1ebd ch\u1ec9 lu\u00f4n cho b\u1ea1n c\u00e1ch tr\u00edch xu\u1ea5t critical CSS \u1edf trang pegasaas. \u0110\u1ea7u ti\u00ean, b\u1ea1n v\u00e0o m\u1ed9t b\u00e0i post b\u1ea5t k\u1ef3 tr\u00ean trang c\u1ee7a b\u1ea1n (tuy nhi\u00ean t\u1ed1t nh\u1ea5t l\u00e0 n\u00ean ch\u1ecdn b\u00e0i c\u00f3 \u0111\u1ecbnh d\u1ea1ng ph\u1ed5 bi\u1ebfn nh\u1ea5t tr\u00ean trang, \u0111\u1ec3 m\u00e3 CSS \u0111\u00f3 b\u1ed9c l\u1ed9 hi\u1ec7u qu\u1ea3 tr\u00ean \u0111a s\u1ed1 c\u00e1c trang), r\u1ed3i copy \u0111\u01b0\u1eddng link, sau \u0111\u00f3 paste v\u00e0o khung b\u00ean d\u01b0\u1edbi, nh\u1ea5n <em>Generate CSS<\/em>:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/pegasaas-critical-css.png\" alt=\"t\u1ea1o critical CSS b\u1eb1ng pegasaas\" class=\"wp-image-13885\"\/><\/figure><\/div>\n\n\n<p>\u0110o\u1ea1n m\u00e3 critical CSS \u0111\u01b0\u1ee3c t\u1ea1o ra sau kho\u1ea3ng v\u00e0i gi\u00e2y ch\u1edd \u0111\u1ee3i:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/copy-critical-css.png\" alt=\"copy m\u00e3 critical CSS\" class=\"wp-image-13886\"\/><\/figure><\/div>\n\n\n<p>C\u00e1ch n\u00e0y kh\u00f4ng ho\u00e0n h\u1ea3o, nh\u01b0ng s\u1ebd th\u00e0nh c\u00f4ng trong ph\u1ea7n l\u1edbn tr\u01b0\u1eddng h\u1ee3p (nh\u1ea5t l\u00e0 v\u1edbi nh\u1eefng trang c\u00f3 giao di\u1ec7n \u0111\u1ed3ng \u0111\u1ec1u c\u0169ng nh\u01b0 kh\u00f4ng qu\u00e1 ph\u1ee9c t\u1ea1p). Sau khi l\u00e0m, b\u1ea1n x\u00f3a cache tr\u00ecnh duy\u1ec7t, r\u1ed3i v\u00e0o c\u00e1c trang ki\u1ec3m tra l\u1ea1i (trang ch\u1ee7, trang post, page, th\u01b0 m\u1ee5c, v\u00e2n v\u00e2n), n\u1ebfu th\u1ea5y OK l\u00e0 \u0111\u01b0\u1ee3c, nh\u1edb ki\u1ec3m tra c\u1ea3 tr\u00ean desktop l\u1eabn di \u0111\u1ed9ng.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Loai_bo_JS_chan_hien_thi\"><\/span>#3. Lo\u1ea1i b\u1ecf JS ch\u1eb7n hi\u1ec3n th\u1ecb<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>T\u01b0\u01a1ng t\u1ef1 nh\u01b0 CSS, th\u00ec JS c\u0169ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1eb7n hi\u1ec3n th\u1ecb, c\u00e1ch th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0 tr\u00ec ho\u00e0n t\u1ea3i JS. Ph\u1ea7n l\u1edbn JS c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tr\u00ec ho\u00e3n t\u1ea3i (ho\u1eb7c t\u1ea3i kh\u00f4ng \u0111\u1ed3ng b\u1ed9).<\/p>\n\n\n\n<p>C\u00e1ch l\u00e0m \u0111\u01a1n gi\u1ea3n v\u1eabn th\u00f4ng qua plugin nh\u01b0 Autoptimze (\u0111\u00e3 \u0111\u1ec1 c\u1eadp \u1edf tr\u00ean) \u0111\u1ec3 g\u1ed9p r\u1ed3i tr\u00ec ho\u00e3n t\u1ea3i JS:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/gop-tri-hoan-javascript.png\" alt=\"g\u1ed9p v\u00e0 tr\u00ec ho\u00e3n t\u1ea3i JavaScript\" class=\"wp-image-13887\"\/><\/figure><\/div>\n\n\n<p>jQuery th\u01b0\u1eddng kh\u00f4ng n\u00ean tr\u00ec ho\u00e3n, tuy nhi\u00ean b\u1ea1n c\u00f3 th\u1ec3 th\u1eed n\u1ebfu kh\u00f4ng c\u00f3 v\u1ea5n \u0111\u1ec1 g\u00ec tr\u00ean giao di\u1ec7n (bao g\u1ed3m c\u1ea3 m\u1ed9t s\u1ed1 ch\u1ee9c n\u0103ng) th\u00ec c\u00f3 th\u1ec3 tr\u00ec ho\u00e3n \u0111\u1ec3 t\u1ed1i \u01b0u h\u01a1n n\u1eefa.<\/p>\n\n\n\n<p>C\u00e1ch tr\u00ec ho\u00e3n jQuery l\u00e0 th\u00f4ng qua <a href=\"https:\/\/kiencang.net\/plugin-async-javascript\/\" target=\"_blank\" rel=\"noreferrer noopener\">plugin Async Javascript<\/a>&nbsp;(c\u00f3 nhi\u1ec1u plugin kh\u00e1c c\u0169ng l\u00e0m \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y).<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/tri-hoan-jquery.png\" alt=\"tr\u00ec ho\u00e3n t\u1ea3i jQuery\" class=\"wp-image-13888\"\/><\/figure><\/div>\n\n\n<p>N\u1ebfu trang c\u1ee7a b\u1ea1n ph\u1ee5 thu\u1ed9c v\u00e0o th\u1ee9 t\u1ef1 c\u00e1c \u0111o\u1ea1n m\u00e3 \u0111\u1ec3 th\u1ef1c thi, \u0111\u1eb7c bi\u1ec7t l\u00e0 ph\u1ee5 thu\u1ed9c v\u00e0o jQuery th\u00ec n\u00ean <a href=\"https:\/\/kiencang.net\/javascript-async-defer\/\" target=\"_blank\" rel=\"noreferrer noopener\">ch\u1ecdn defer h\u01a1n l\u00e0 ch\u1ecdn async<\/a>, b\u1edfi v\u00ec v\u1edbi defer t\u1ea5t c\u1ea3 c\u00e1c \u0111o\u1ea1n m\u00e3 \u0111\u1ec1u \u0111\u01b0\u1ee3c tr\u00ec ho\u00e3n cho \u0111\u1ebfn khi to\u00e0n trang ph\u00e2n t\u00edch xong, v\u00e0 sau \u0111\u00f3 n\u00f3 \u0111\u01b0\u1ee3c th\u1ef1c thi theo th\u1ee9 t\u1ef1 nh\u01b0 n\u00f3 \u0111\u01b0\u1ee3c g\u1ecdi (tr\u00ean m\u00e3 c\u1ee7a b\u1ea1n).<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Lazy_load_anh\"><\/span>#4. Lazy load \u1ea3nh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>N\u1ebfu website c\u1ee7a b\u1ea1n kh\u00f4ng ph\u1ea3i trang th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed, l\u1ea1i c\u00f3 nhi\u1ec1u \u1ea3nh th\u00ec \u0111\u00e2y l\u00e0 bi\u1ec7n ph\u00e1p t\u0103ng t\u1ed1c r\u1ea5t hi\u1ec7u qu\u1ea3 v\u00e0 mi\u1ec5n ph\u00ed.<\/p>\n\n\n\n<p>Lazy load \u1ea3nh s\u1ebd kh\u00f4ng t\u1ea3i c\u00e1c \u1ea3nh m\u00e0 n\u00f3 ch\u01b0a \u0111i v\u00e0o khung nh\u00ecn tr\u00ecnh duy\u1ec7t (viewport) do v\u1eady s\u1ebd gi\u1ea3m dung l\u01b0\u1ee3ng ph\u1ea3i t\u1ea3i l\u00fac ban \u0111\u1ea7u (initial page load). \u0110i\u1ec1u n\u00e0y r\u1ea5t c\u00f3 gi\u00e1 tr\u1ecb v\u00ec \u1ea3nh c\u00f3 th\u1ec3 chi\u1ebfm \u0111\u1ebfn 50% dung l\u01b0\u1ee3ng website, \u0111\u00f4i khi c\u00f2n h\u01a1n.<\/p>\n\n\n\n<p>P\/S: B\u1ea1n n\u00e0o mu\u1ed1n <a href=\"https:\/\/kiencang.net\/lazy-load-anh-va-video\/\" target=\"_blank\" rel=\"noreferrer noopener\">t\u00ecm hi\u1ec3u s\u00e2u c\u00e1c k\u1ef9 thu\u1eadt lazy load \u1ea3nh v\u00e0 video<\/a> c\u00f3 th\u1ec3 tham kh\u1ea3o b\u00e0i vi\u1ebft trong link t\u00f4i v\u1eeba d\u1eabn.<\/p>\n\n\n\n<p>Website c\u1ee7a b\u1ea1n \u0111\u00e1ng ra ph\u1ea3i t\u1ea3i 1MB \u1ea3nh th\u00ec n\u00f3 ch\u1ec9 ph\u1ea3i t\u1ea3i \u0111\u1ed9 200KB l\u00fac ban \u0111\u1ea7u \u0111\u1ec3 hi\u1ec3n th\u1ecb cho ng\u01b0\u1eddi d\u00f9ng m\u00e0 th\u00f4i, khi h\u1ecd xem ti\u1ebfp n\u1ed9i dung b\u00ean d\u01b0\u1edbi, tr\u00ecnh duy\u1ec7t m\u1edbi ph\u1ea3i t\u1ea3i c\u00e1c \u1ea3nh \u0111\u00f3.<\/p>\n\n\n\n<p>C\u00f3 nhi\u1ec1u plugin lazy load, ch\u1eb3ng h\u1ea1n nh\u01b0 <a href=\"https:\/\/wordpress.org\/plugins\/a3-lazy-load\/\" target=\"_blank\" rel=\"noreferrer noopener\">a3 lazy load<\/a>, <a href=\"https:\/\/wordpress.org\/plugins\/rocket-lazy-load\/\">Lazy load by WP-Rocket<\/a>, tuy nhi\u00ean ki\u1ec3u lazy load c\u1ee7a ch\u00fang v\u1eabn theo ki\u1ec3u truy\u1ec1n th\u1ed1ng, v\u00e0 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng (UX). Hi\u1ec7n c\u00f3 plugin hi\u1ec7u qu\u1ea3 h\u01a1n nhi\u1ec1u, gi\u00fap b\u1ea1n h\u1ea1n ch\u1ebf t\u1ed1i \u0111a t\u00e1c d\u1ee5ng ph\u1ee5 tr\u00ean. N\u00f3 c\u00f3 t\u00ean Flying Images. B\u1ea1n c\u00f3 th\u1ec3 xem <a href=\"https:\/\/kiencang.net\/cai-dat-plugin-flying-images\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e1ch c\u00e0i \u0111\u1eb7t nhanh plugin Flying Images n\u00e0y \u1edf \u0111\u00e2y<\/a>. V\u1edbi plugin n\u00e0y nhi\u1ec1u khi b\u1ea1n kh\u00f4ng nh\u1eadn ra \u0111\u01b0\u1ee3c trang \u0111ang s\u1eed d\u1ee5ng lazy load, trong khi c\u00e1c plugin lazy th\u00f4ng th\u01b0\u1eddng r\u1ea5t d\u1ec5 nh\u1eadn ra.<\/p>\n\n\n\n<p>\u01afu \u0111i\u1ec3m c\u1ee7a n\u00f3 l\u00e0:<\/p>\n\n\n\n<ul><li>T\u1eadn d\u1ee5ng c\u01a1 ch\u1ebf <a href=\"https:\/\/kiencang.net\/native-lazy-loading-cho-web\/\" target=\"_blank\" rel=\"noreferrer noopener\">native lazy-loading c\u00f3 s\u1eb5n tr\u00ean tr\u00ecnh duy\u1ec7t Chrome<\/a> v\u1edbi nhi\u1ec1u c\u1ea3i ti\u1ebfn v\u1ec1 c\u00e1ch hi\u1ec3n th\u1ecb v\u00e0 t\u1ed1c \u0111\u1ed9<\/li><li>V\u1eabn s\u1eed d\u1ee5ng JS tr\u00ean c\u00e1c tr\u00ecnh duy\u1ec7t kh\u00e1c nh\u01b0ng th\u1ef1c hi\u1ec7n bi\u1ec7n ph\u00e1p <em>t\u1ea3i tr\u01b0\u1edbc<\/em> khi n\u00f3 v\u00e0o viewport (trong khi c\u00e1c plugin ki\u1ec3u c\u0169 ch\u1ec9 t\u1ea3i \u1ea3nh khi n\u00f3 \u0111i v\u00e0o khung nh\u00ecn, n\u00ean c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng gi\u1eadt c\u1ee5c, kh\u00f4ng t\u1ea3i k\u1ecbp khi \u0111\u01b0\u1eddng truy\u1ec1n internet y\u1ebfu\/kh\u00f4ng \u1ed5n \u0111\u1ecbnh)<\/li><li>Nh\u1ecf g\u1ecdn, ch\u1ec9 1KB<\/li><\/ul>\n\n\n\n<p>C\u1ea3m nh\u1eadn c\u1ee7a t\u00f4i sau khi s\u1eed d\u1ee5ng lazy load \u1ea3nh m\u1ed9t th\u1eddi gian t\u01b0\u01a1ng \u0111\u1ed1i d\u00e0i l\u00e0 b\u1ea1n ch\u1ec9 n\u00ean s\u1eed d\u1ee5ng n\u00f3 tr\u00ean m\u00e1y b\u00e0n &#8211; c\u00e1i v\u1ed1n c\u00f3 t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1eddng truy\u1ec1n \u1ed5n \u0111\u1ecbnh. S\u1eed d\u1ee5ng tr\u00ean \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng trong kh\u00f4ng \u00edt tr\u01b0\u1eddng h\u1ee3p v\u1eabn c\u00f3 \u0111\u1ed9 tr\u1ec5 \u0111\u00e1ng k\u1ec3 ngay c\u1ea3 khi \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p lazy load ki\u1ec3u m\u1edbi (nh\u01b0 t\u1ea3i tr\u01b0\u1edbc \u1ea3nh khi c\u00e1ch khung h\u00ecnh 1000px thay v\u00ec ch\u1ec9 t\u1ea3i khi \u1ea3nh \u0111i v\u00e0o khung h\u00ecnh). B\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ecdc b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec3 bi\u1ebft <a href=\"https:\/\/kiencang.net\/lazy-load-anh-khong-hap-dan\/\">t\u1ea1i sao lazy load \u1ea3nh l\u1ea1i kh\u00f4ng h\u1ea5p d\u1eabn nh\u01b0 ch\u00fang ta ngh\u0129<\/a>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Su_dung_plugin_cache_mien_phi\"><\/span>#5. S\u1eed d\u1ee5ng plugin cache mi\u1ec5n ph\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Cache l\u00e0 bi\u1ec7n ph\u00e1p t\u0103ng t\u1ed1c plugin \u0111\u00e1ng gi\u00e1. C\u00f3 nhi\u1ec1u plugin cache c\u00f3 ph\u00ed ch\u1ea5t l\u01b0\u1ee3ng cao nh\u01b0 <a href=\"https:\/\/wp-rocket.me\/\" target=\"_blank\" rel=\"noreferrer noopener\">WP-Rocket<\/a> hay <a href=\"https:\/\/swiftperformance.io\/\" target=\"_blank\" rel=\"noreferrer noopener\">Swift Performance<\/a>. Tuy nhi\u00ean n\u1ebfu ch\u01b0a mua \u0111\u01b0\u1ee3c b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c plugin mi\u1ec5n ph\u00ed sau c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng \u1ed5n, nh\u01b0:<\/p>\n\n\n\n<ul><li><a href=\"https:\/\/wordpress.org\/plugins\/cache-enabler\/\" target=\"_blank\" rel=\"noreferrer noopener\">Cache Enabler<\/a><\/li><li><a href=\"https:\/\/kiencang.net\/litespeed-plugin-cache-tot-nhat\/\" target=\"_blank\" rel=\"noreferrer noopener\">LiteSpeed Cache<\/a> <\/li><\/ul>\n\n\n\n<p>Ri\u00eang v\u1edbi tr\u01b0\u1eddng h\u1ee3p LiteSpeed Cache, b\u1ea1n n\u00e0o kh\u00f4ng quen d\u00f2ng l\u1ec7nh th\u00ec n\u00ean s\u1eed d\u1ee5ng app tr\u00ean DigitalOcean \u0111\u1ec3 c\u00e0i CyberPanel.<\/p>\n\n\n\n<p>Ngo\u00e0i ra c\u00e1c b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng cache ph\u00eda m\u00e1y ch\u1ee7 (server site cache \/ xem th\u00eam <a href=\"https:\/\/kiencang.net\/6-cap-do-cache-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e1c c\u1ea5p \u0111\u1ed9 cache trong WordPress<\/a>). Tuy nhi\u00ean c\u00e1ch n\u00e0y th\u01b0\u1eddng ch\u1ec9 c\u00f3 kh\u1ea3 n\u0103ng n\u1ebfu n\u00f3 \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t s\u1eb5n tr\u00ean hosting v\u00ec vi\u1ec7c t\u00f9y ch\u1ec9nh th\u1ee7 c\u00f4ng \u0111\u00f2i h\u1ecfi b\u1ea1n ph\u1ea3i c\u00f3 k\u1ef9 n\u0103ng cao (t\u00f4i c\u0169ng kh\u00f4ng thu\u1ed9c nh\u00f3m n\u00e0y). M\u1ed9t v\u00ed d\u1ee5 v\u1ec1 vi\u1ec7c \u0103n s\u1eb5n t\u00ednh n\u0103ng n\u00e0y l\u00e0 GridPane (b\u1ea3n mi\u1ec5n ph\u00ed), h\u1ecd c\u00f3 Redis cache k\u1ebft h\u1ee3p v\u1edbi Nginx, cho t\u1ed1c \u0111\u1ed9 t\u1ed1t:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/redis-cache.png\" alt=\"Redis cache\" class=\"wp-image-13889\"\/><\/figure><\/div>\n\n\n<p>Trong h\u00ecnh tr\u00ean v\u00ec t\u00f4i \u0111ang d\u00f9ng b\u1ea3n c\u00f3 ph\u00ed n\u00ean b\u1eadt \u0111\u01b0\u1ee3c FastCGI caching, b\u1ea3n free s\u1ebd ch\u1ec9 c\u00f3 t\u00f9y ch\u1ecdn Redis cache, tuy nhi\u00ean n\u00f3 kh\u00f4ng ch\u00eanh l\u1ec7ch nhau nhi\u1ec1u. T\u00f4i d\u00f9ng b\u1ea3n c\u00f3 ph\u00ed \u0111\u1ec3 s\u1eed d\u1ee5ng c\u00e1c t\u00ednh n\u0103ng kh\u00e1c c\u1ee7a GridPane nh\u01b0 nhi\u1ec1u m\u00e1y ch\u1ee7 h\u01a1n, c\u00f3 backup. V\u1ec1 m\u1eb7t t\u1ed1c \u0111\u1ed9, b\u1ea1n d\u00f9ng b\u1ea3n free l\u00e0 \u1ed5n.<\/p>\n\n\n\n<p><strong>Bonus<\/strong>: Hi\u1ec7n c\u00f3 ki\u1ec3u t\u0103ng t\u1ed1c m\u1edbi th\u00fa v\u1ecb th\u00f4ng qua <a href=\"https:\/\/kiencang.net\/gioi-thieu-plugin-wp2static\/\" target=\"_blank\" rel=\"noreferrer noopener\">plugin c\u00f3 t\u00ean WP2Static<\/a>. N\u00f3 bi\u1ebfn trang web c\u1ee7a b\u1ea1n th\u00e0nh trang t\u0129nh ho\u00e0n to\u00e0n. N\u00f3 s\u1ebd l\u00e0m t\u0103ng t\u1ed1c l\u1eabn hi\u1ec7u su\u1ea5t c\u1ee7a website t\u1ed1t h\u01a1n n\u1eefa, nh\u01b0ng kh\u00f4ng ph\u1ea3i website n\u00e0o c\u0169ng ph\u00f9 h\u1ee3p (v\u00ed d\u1ee5 trang th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed &#8211; v\u1ed1n l\u00e0 trang c\u00f3 t\u00ednh \u0111\u1ed9ng cao). <\/p>\n\n\n\n<p>\u0110i k\u00e8m v\u1edbi ki\u1ec3u website t\u0129nh l\u00e0 hosting t\u0129nh. Hosting t\u0129nh c\u00f3 nhi\u1ec1u d\u1ecbch v\u1ee5 mi\u1ec5n ph\u00ed nh\u01b0 <a href=\"https:\/\/www.netlify.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Netlify<\/a>, GitHub, v\u00e2n v\u00e2n. Ngay c\u1ea3 v\u1edbi b\u1ea3n c\u00f3 ph\u00ed n\u00f3 c\u0169ng c\u00f3 gi\u1ea3 th\u00e0nh r\u1ebb h\u01a1n nhi\u1ec1u v\u00ec kh\u00f4ng y\u00eau c\u1ea7u c\u00f4ng ngh\u1ec7 cao, v\u00e0 kh\u00f4ng t\u1ed1n k\u00e9m t\u00e0i nguy\u00ean cho MySQL hay PHP (hay b\u1ea5t c\u1ee9 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh n\u00e0o) nh\u01b0 c\u00e1c lo\u1ea1i host th\u00f4ng th\u01b0\u1eddng. Ph\u1ea7n n\u00e0y l\u00e0 t\u00f4i nhi\u1ec1u l\u1eddi, v\u00ec tri\u1ec3n khai WP2Static chu\u1ea9n ch\u1ec9nh kh\u00f4ng ph\u1ea3i l\u00e0 chuy\u1ec7n d\u1ec5 d\u00e0ng.<\/p>\n\n\n\n<p class=\"has-luminous-vivid-amber-background-color has-background\"><strong>C\u1eadp nh\u1eadt<\/strong>: T\u00f4i v\u1eeba ph\u00e1t hi\u1ec7n <a href=\"https:\/\/kiencang.net\/website-wp-tinh-plugin-simply-static\/\" target=\"_blank\" rel=\"noreferrer noopener\">plugin Simply Static mi\u1ec5n ph\u00ed c\u00f3 kh\u1ea3 n\u0103ng xu\u1ea5t trang t\u0129nh r\u1ea5t t\u1ed1t<\/a>, k\u1ebft h\u1ee3p n\u00f3 v\u1edbi store c\u1ee7a <a href=\"https:\/\/kiencang.net\/gioi-thieu-bunnycdn\/\" target=\"_blank\" rel=\"noreferrer noopener\">BunnyCDN<\/a> s\u1ebd gi\u00fap chi ph\u00ed c\u1ee7a b\u1ea1n gi\u1ea3m xu\u1ed1ng t\u1ed1i \u0111a c\u00f2n t\u1ed1c \u0111\u1ed9 s\u1ebd r\u1ea5t cao.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_Toi_uu_hoa_dung_luong_anh\"><\/span>#6. T\u1ed1i \u01b0u h\u00f3a dung l\u01b0\u1ee3ng \u1ea3nh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>C\u00f3 nhi\u1ec1u \u1ea3nh kh\u00f4ng nh\u1eefng n\u00ean lazy load, m\u00e0 c\u00f2n n\u00ean t\u1ed1i \u01b0u h\u00f3a dung l\u01b0\u1ee3ng file theo ki\u1ec3u kh\u00f4ng m\u1ea5t ch\u1ea5t l\u01b0\u1ee3ng (lossless).<\/p>\n\n\n\n<p>N\u00f3 s\u1ebd gi\u00fap b\u1ea1n gi\u1ea3m t\u1eeb 5 &#8211; 20% dung l\u01b0\u1ee3ng qua \u0111\u00f3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 th\u1eddi gian t\u1ea3i trang, b\u0103ng th\u00f4ng &amp; c\u00e1c chi ph\u00ed li\u00ean quan kh\u00e1c (v\u00ed d\u1ee5 CDN). C\u00f3 r\u1ea5t nhi\u1ec1u plugin t\u1ed1t trong m\u1ea3ng n\u00e0y. Bao g\u1ed3m c\u1ea3 mi\u1ec5n ph\u00ed v\u00e0 tr\u1ea3 ph\u00ed. B\u1ea1n c\u00f3 th\u1ec3 <a href=\"https:\/\/kiencang.net\/plugin-nen-anh-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">tham kh\u1ea3o \u0111\u00e1nh gi\u00e1 kh\u00e1i qu\u00e1t \u1edf \u0111\u00e2y<\/a>.<\/p>\n\n\n\n<p>N\u1ebfu b\u1ea1n mu\u1ed1n m\u1ed9t c\u00e2u tr\u1ea3 l\u1eddi nhanh v\u1ec1 plugin n\u00e9n \u1ea3nh \u0111\u1ee7 t\u1ed1t v\u00e0 free, th\u00ec \u0111\u00f3 l\u00e0 <a href=\"https:\/\/kiencang.net\/plugin-ewww-image-optimizer\/\" target=\"_blank\" rel=\"noreferrer noopener\">EWWW<\/a>.<\/p>\n\n\n\n<p>Trong tr\u01b0\u1eddng h\u1ee3p c\u00f3 th\u1ec3 \u0111\u1ea7u t\u01b0 10$. <a href=\"https:\/\/shortpixel.com\/pricing\" target=\"_blank\" rel=\"noreferrer noopener\">ShortPixel<\/a> l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n, n\u00f3 gi\u00fap b\u1ea1n t\u1ed1i \u01b0u h\u00f3a 5000 b\u1ee9c \u1ea3nh (th\u1ef1c t\u1ebf s\u1ebd v\u00e0o kho\u1ea3ng 1000 v\u00ec m\u1eb7c \u0111\u1ecbnh WordPress s\u1ebd t\u1ea1o ra nhi\u1ec1u \u1ea3nh con d\u1ef1a v\u00e0o \u1ea3nh g\u1ed1c b\u1ea1n up l\u00ean \u0111\u1ec3 s\u1eed d\u1ee5ng cho c\u00e1c m\u00e0n h\u00ecnh c\u00f3 k\u00edch c\u1ee1 kh\u00e1c nhau. Cho n\u00ean 1000 \u1ea3nh ban \u0111\u1ea7u c\u00f3 th\u1ec3 t\u1ea1o th\u00eam 4000 \u1ea3nh nh\u1ecf n\u1eefa).<\/p>\n\n\n<div class=\"wp-block-image wp-image-13900 size-full\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/ket-qua-nen-anh.png\" alt=\"k\u1ebft qu\u1ea3 n\u00e9n \u1ea3nh\" class=\"wp-image-13900\"\/><figcaption>M\u1ed9t s\u1ed1 \u1ea3nh PNG \u0111\u01b0\u1ee3c n\u00e9n kh\u00f4ng m\u1ea5t ch\u1ea5t l\u01b0\u1ee3ng (lossless), cho kh\u1ea3 n\u0103ng n\u00e9n \u0111\u1ebfn h\u01a1n 25%. \u1ea2nh JPG th\u01b0\u1eddng cho t\u1ef7 l\u1ec7 n\u00e9n th\u1ea5p h\u01a1n kh\u00e1 nhi\u1ec1u, v\u00ec \u1ea3nh JPG v\u1ed1n \u0111\u00e3 l\u00e0 \u1ea3nh n\u00e9n r\u1ed3i.<\/figcaption><\/figure><\/div>\n\n\n<p>M\u1eb9o:<\/p>\n\n\n\n<ul><li>Ch\u1ec9 n\u00ean t\u1ed1i \u01b0u h\u00f3a \u1ea3nh kh\u00f4ng m\u1ea5t ch\u1ea5t l\u01b0\u1ee3ng v\u00ec t\u1ed1i \u01b0u m\u1ea5t ch\u1ea5t l\u01b0\u1ee3ng ch\u1ee9a nhi\u1ec1u r\u1ee7i ro, c\u1ee5 th\u1ec3 l\u00e0 c\u00f3 kh\u1ea3 n\u0103ng \u1ea3nh s\u1ebd x\u1ea5u \u0111i r\u1ea5t nhi\u1ec1u.<\/li><li>N\u1ebfu mu\u1ed1n t\u1ed1i \u01b0u m\u1ea5t ch\u1ea5t l\u01b0\u1ee3ng, b\u1ea1n n\u00ean ch\u1ecdn plugin n\u00e9n \u1ea3nh c\u00f3 t\u00ednh n\u0103ng backup \u0111\u1ec3 th\u1eed tr\u00ean website, n\u1ebfu kh\u00f4ng \u01b0ng ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed1i c\u00f9ng th\u00ec c\u00f3 th\u1ec3 l\u1ea5y l\u1ea1i \u1ea3nh g\u1ed1c \u1edf th\u01b0 m\u1ee5c backup.<\/li><\/ul>\n\n\n\n<p>C\u1eadp nh\u1eadt: nhi\u1ec1u plugin cache t\u00edch h\u1ee3p t\u00ednh n\u0103ng t\u1ed1i \u01b0u h\u00f3a \u1ea3nh, m\u1ed9t trong c\u00e1c plugin \u01b0a th\u00edch c\u1ee7a t\u00f4i l\u00e0 LiteSpeed cache.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7_Chon_theme\"><\/span>#7. Ch\u1ecdn theme<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Theme t\u1ed1i \u01b0u cho t\u1ed1c \u0111\u1ed9 \u0111ang r\u1ea5t ph\u00e1t tri\u1ec3n, c\u00f3 l\u1ebd xu\u1ea5t ph\u00e1t t\u1eeb vi\u1ec7c t\u1ed1c \u0111\u1ed9 tr\u1edf th\u00e0nh m\u1ed9t trong c\u00e1c y\u1ebfu t\u1ed1 x\u1ebfp h\u1ea1ng tr\u00ean m\u00e1y t\u00ecm ki\u1ebfm. V\u00e0 theme th\u00ec t\u00e1c \u0111\u1ed9ng kh\u00f4ng nh\u1ecf \u0111\u1ebfn t\u1ed1c \u0111\u1ed9.<\/p>\n\n\n\n<p>M\u1ed9t trong c\u00e1c theme mi\u1ec5n ph\u00ed t\u1ed1i \u01b0u h\u00f3a cho t\u1ed1c \u0111\u1ed9 t\u1ed1t l\u00e0 <a href=\"https:\/\/wordpress.org\/themes\/astra\/\" target=\"_blank\" rel=\"noreferrer noopener\">Astra<\/a>, n\u1ebfu trang c\u1ee7a b\u1ea1n l\u00e0 d\u1ea1ng blog \u0111\u01a1n gi\u1ea3n, n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng th\u00edch h\u1ee3p. Astra c\u0169ng c\u00f3 phi\u00ean b\u1ea3n tr\u1ea3 ph\u00ed v\u1edbi nhi\u1ec1u t\u00f9y ch\u1ec9nh h\u01a1n.<\/p>\n\n\n\n<p>Ngo\u00e0i ra, b\u1ea1n c\u00f3 th\u1ec3 c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng GeneratePress, c\u0169ng l\u00e0 theme c\u00f3 c\u1ea3 b\u1ea3n mi\u1ec5n ph\u00ed &amp; tr\u1ea3 ph\u00ed. M\u1ed9t s\u1ed1 ng\u01b0\u1eddi \u0111\u00e1nh gi\u00e1 n\u00f3 l\u00e0 <a href=\"https:\/\/kiencang.net\/generatepress-theme-tot-nhat\/\" target=\"_blank\" rel=\"noreferrer noopener\">theme t\u1ed1t nh\u1ea5t cho nh\u1eefng ai kh\u00f4ng ph\u1ea3i coder<\/a>.<\/p>\n\n\n\n<p>T\u1ed1i \u01b0u cho t\u1ed1c \u0111\u1ed9 kh\u00f4ng ph\u1ea3i l\u00e0 xu h\u01b0\u1edbng m\u1ed9t s\u1edbm m\u1ed9t chi\u1ec1u, v\u00e0 n\u00f3 c\u0169ng l\u00e0 t\u00ednh n\u0103ng quan tr\u1ecdng c\u0103n b\u1ea3n v\u1edbi giao di\u1ec7n. \u0110i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n s\u1ebd c\u00f3 r\u1ea5t nhi\u1ec1u c\u01a1 h\u1ed9i ch\u1ecdn cho b\u1ea3n th\u00e2n \u0111\u01b0\u1ee3c theme ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t ngay c\u1ea3 khi n\u00f3 free.<\/p>\n\n\n\n<p>M\u1ea3ng theme cho WooCommerce t\u00f4i c\u00f2n tr\u1ed1ng, th\u1eddi gian t\u1edbi t\u00ecm hi\u1ec3u \u1ed5n th\u1ecfa s\u1ebd chia s\u1ebb v\u1edbi c\u00e1c b\u1ea1n sau.<\/p>\n\n\n\n<p>M\u1eb9o: Kinh nghi\u1ec7m ch\u1ecdn theme l\u00e0 b\u1ea1n n\u00ean ch\u1ecdn theme t\u1eeb nh\u1eefng nh\u00e0 cung c\u1ea5p uy t\u00edn, s\u1ed1 l\u01b0\u1ee3ng t\u1ea3i l\u1edbn, v\u00e0 \u0111\u00e1nh gi\u00e1 sao n\u00f3i chung tr\u00ean 4. Thao kh\u1ea3o th\u00eam kinh nghi\u1ec7m c\u1ee7a c\u00e1c anh em kh\u00e1c trong ngh\u1ec1 th\u01b0\u1eddng gi\u00fap b\u1ea1n c\u00f3 nhi\u1ec1u \u00fd ki\u1ebfn \u0111a d\u1ea1ng v\u00e0 ch\u00ednh x\u00e1c h\u01a1n.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"8_Su_dung_CDN_mien_phi\"><\/span>#8. S\u1eed d\u1ee5ng CDN mi\u1ec5n ph\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u1ede th\u1eddi \u0111i\u1ec3m hi\u1ec7n t\u1ea1i <a href=\"https:\/\/kiencang.net\/giam-tai-cho-host-yeu\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00f3 m\u1ed9t s\u1ed1 d\u1ecbch v\u1ee5 CDN mi\u1ec5n ph\u00ed c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng t\u01b0\u01a1ng \u0111\u1ed1i t\u1ed1t<\/a>, \u0111i\u1ec3n h\u00ecnh nh\u01b0 CloudFlare, JetPack, jsDelivr, <a href=\"https:\/\/kiencang.net\/plugin-statically-cdn\/\" target=\"_blank\" rel=\"noreferrer noopener\">Statically<\/a>.<\/p>\n\n\n\n<p>M\u1eb7c d\u00f9 kh\u00f3 c\u00f3 th\u1ec3 so s\u00e1nh v\u1edbi c\u00e1c d\u1ecbch v\u1ee5 CDN tr\u1ea3 ph\u00ed, n\u00f3 ch\u1eafc ch\u1eafn s\u1ebd gi\u00fap b\u1ea1n gi\u1ea3m t\u1ea3i cho m\u00e1y ch\u1ee7 g\u1ed1c \u0111i r\u1ea5t nhi\u1ec1u.<\/p>\n\n\n\n<p>Tuy nhi\u00ean \u1edf kh\u00eda c\u1ea1nh t\u0103ng t\u1ed1c, CDN mi\u1ec5n ph\u00ed ch\u1ec9 gi\u00fap t\u0103ng t\u1ed1c n\u1ebfu n\u00f3 \u00e1p d\u1ee5ng tr\u00ean c\u00e1c website m\u00e0 hosting v\u1ed1n \u0111ang ch\u1ecbu \u00e1p l\u1ef1c truy c\u1eadp. <\/p>\n\n\n\n<p>C\u00f2n n\u1ebfu hosting \u0111ang g\u00e1nh website thu\u1eadn l\u1ee3i, v\u1ecb tr\u00ed c\u1ee7a m\u00e1y ch\u1ee7 g\u1ed1c l\u1ea1i g\u1ea7n \u0111a s\u1ed1 ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp v\u00e0o website th\u00ec vi\u1ec7c s\u1eed d\u1ee5ng CDN mi\u1ec5n ph\u00ed h\u1ea7u nh\u01b0 kh\u00f4ng c\u00f3 t\u00e1c d\u1ee5ng g\u00ec v\u1ec1 c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9, th\u1eadm ch\u00ed n\u00f3 c\u00f2n ch\u1eadm h\u01a1n trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p.<\/p>\n\n\n\n<p>Ri\u00eang v\u1ec1 kh\u00eda c\u1ea1nh gi\u1ea3m t\u1ea3i cho hosting g\u1ed1c, CDN mi\u1ec5n ph\u00ed ho\u00e0n th\u00e0nh nhi\u1ec7m v\u1ee5 tr\u00f2n vai.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"9_Preconnect_den_tai_nguyen_cua_ben_thu_ba\"><\/span>#9. Preconnect \u0111\u1ebfn t\u00e0i nguy\u00ean c\u1ee7a b\u00ean th\u1ee9 ba<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"https:\/\/kiencang.net\/preconnect-dns-prefetch\/\" target=\"_blank\" rel=\"noreferrer noopener\">Preconnect<\/a> gi\u00fap th\u1ef1c hi\u1ec7n tr\u01b0\u1edbc k\u1ebft n\u1ed1i \u0111\u1ebfn t\u00e0i nguy\u00ean g\u1ed1c c\u1ee7a b\u00ean th\u1ee9 ba, v\u00e0 b\u1eb1ng c\u00e1ch th\u1ef1c hi\u1ec7n song song nhi\u1ec1u k\u1ebft n\u1ed1i thay v\u00ec th\u1ef1c hi\u1ec7n l\u1ea7n l\u01b0\u1ee3t \u0111\u00e3 gi\u00fap c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 website \u00edt nhi\u1ec1u, v\u00e0 trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p c\u00f3 th\u1ec3 l\u00ean \u0111\u1ebfn 0,5s.<\/p>\n\n\n\n<p>\u0110i\u1ec1u quan tr\u1ecdng c\u1ea7n l\u01b0u \u00fd \u1edf \u0111\u00e2y l\u00e0: kh\u00f4ng ph\u1ea3i b\u1ea1n preconnect \u0111\u1ebfn t\u1ea5t c\u1ea3 t\u00e0i nguy\u00ean c\u1ee7a b\u00ean th\u1ee9 ba l\u00e0 s\u1ebd l\u00e0m website nhanh h\u01a1n, b\u1ea1n ch\u1ec9 n\u00ean preconnect \u0111\u1ebfn c\u00e1c t\u00e0i nguy\u00ean quan tr\u1ecdng m\u00e0 th\u00f4i. R\u1ed3i sau \u0111\u00f3 n\u00ean <a href=\"https:\/\/kiencang.net\/trai-nghiem-link-preconnect\/\" target=\"_blank\" rel=\"noreferrer noopener\">ki\u1ec3m tra l\u1ea1i k\u1ebft qu\u1ea3 tr\u00ean th\u1ef1c t\u1ebf<\/a> \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1eafc ch\u1eafn c\u00e1c thay \u0111\u1ed5i \u0111em l\u1ea1i hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"10_Ket_luan\"><\/span>#10. K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>T\u1ea5t c\u1ea3 nh\u1eefng c\u00e1ch \u1edf tr\u00ean \u0111\u1ec1u kh\u00f4ng t\u1ed1n k\u00e9m, t\u01b0\u01a1ng \u0111\u1ed1i d\u1ec5 l\u00e0m v\u00e0 n\u1ebfu \u0111\u01b0\u1ee3c tri\u1ec3n khai \u0111\u00fang n\u00f3 s\u1ebd l\u00e0m t\u1ed1c \u0111\u1ed9 website c\u1ee7a b\u1ea1n t\u0103ng l\u00ean r\u1ea5t nhi\u1ec1u (c\u00e1c bi\u1ec7n ph\u00e1p tr\u00ean \u0111\u1ec1u thu\u1ed9c v\u1ec1 <a href=\"https:\/\/kiencang.net\/5-yeu-cau-tang-toc-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">nh\u00f3m 5 y\u00eau c\u1ea7u quan tr\u1ecdng nh\u1ea5t khi t\u0103ng t\u1ed1c WordPress<\/a>). <\/p>\n\n\n\n<p>\u0110\u1ec3 tr\u00e1nh nh\u1eefng t\u00e1c d\u1ee5ng ph\u1ee5 kh\u00f4ng mong mu\u1ed1n, sau khi k\u00edch ho\u1ea1t t\u1ed1i \u01b0u b\u1ea1n n\u00ean ki\u1ec3m tra k\u1ef9 l\u1ea1i website, c\u00f2n tr\u01b0\u1edbc \u0111\u1ea5y <a href=\"https:\/\/kiencang.net\/plugin-updraftplus\/\" target=\"_blank\" rel=\"noreferrer noopener\">b\u1ea1n n\u00ean backup to\u00e0n b\u1ed9 trang b\u1eb1ng c\u00f4ng c\u1ee5 ki\u1ec3u nh\u01b0 UpdraftPlus<\/a>, l\u00e0m th\u1ebf gi\u00fap b\u1ea1n kh\u00f4i ph\u1ee5c l\u1ea1i trang nguy\u00ean v\u1eb9n n\u1ebfu nh\u01b0 ch\u1eb3ng may l\u00e0m sai l\u1ec7ch \u0111i\u1ec1u g\u00ec.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1ch \u0111\u00e2y kho\u1ea3ng m\u1ed9t n\u0103m, t\u00f4i c\u00f3 vi\u1ebft chi ti\u1ebft v\u1ec1 c\u00e1ch t\u0103ng t\u1ed1c WordPress tr\u00ean trang Ki\u1ebfn c\u00e0ng. N\u00f3 l\u00e0 b\u00e0i vi\u1ebft \u0111\u1ed3 s\u1ed9 v\u1edbi r\u1ea5t nhi\u1ec1u k\u1ef9 thu\u1eadt c\u00f3 th\u1ec3 khi\u1ebfn b\u1ea1n ng\u1ed9p, nh\u1ea5t l\u00e0 v\u1edbi ng\u01b0\u1eddi m\u1edbi. Trong b\u00e0i vi\u1ebft n\u00e0y, t\u00f4i h\u01b0\u1edbng \u0111\u1ebfn c\u00e1ch ti\u1ebfp c\u1eadn v\u1eeba \u0111\u01a1n gi\u1ea3n h\u01a1n, v\u1eeba &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[293],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Th\u1ef1c h\u00e0nh t\u0103ng t\u1ed1c WordPress theo h\u01b0\u1edbng r\u1ebb ti\u1ec1n v\u00e0 d\u1ec5 tri\u1ec3n khai &#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\/tang-toc-wordpress-re-tien-de-lam\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Th\u1ef1c h\u00e0nh t\u0103ng t\u1ed1c WordPress theo h\u01b0\u1edbng r\u1ebb ti\u1ec1n v\u00e0 d\u1ec5 tri\u1ec3n khai &#8226; Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"og:description\" content=\"C\u00e1ch \u0111\u00e2y kho\u1ea3ng m\u1ed9t n\u0103m, t\u00f4i c\u00f3 vi\u1ebft chi ti\u1ebft v\u1ec1 c\u00e1ch t\u0103ng t\u1ed1c WordPress tr\u00ean trang Ki\u1ebfn c\u00e0ng. 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N\u00f3 l\u00e0 b\u00e0i vi\u1ebft \u0111\u1ed3 s\u1ed9 v\u1edbi r\u1ea5t nhi\u1ec1u k\u1ef9 thu\u1eadt c\u00f3 th\u1ec3 khi\u1ebfn b\u1ea1n ng\u1ed9p, nh\u1ea5t l\u00e0 v\u1edbi ng\u01b0\u1eddi m\u1edbi. 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T\u00f4i th\u00edch Content, SEO, Ads, T\u0103ng t\u1ed1c website v\u00e0 Th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed. B\u00ean c\u1ea1nh b\u00e0i t\u1ef1 vi\u1ebft, t\u00f4i c\u0169ng d\u1ecbch nhi\u1ec1u n\u1ed9i dung th\u00fa v\u1ecb c\u1ee7a c\u00e1c t\u00e1c gi\u1ea3 kh\u00e1c nhau. FB c\u00e1 nh\u00e2n: facebook.com\/anhducnguyen87. Email li\u00ean h\u1ec7: guiemailchotoi@gmail.com","sameAs":["https:\/\/www.facebook.com\/anhducnguyen87\/"],"url":"https:\/\/kiencang.net\/author\/admin\/"}]}},"_links":{"self":[{"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/posts\/16834"}],"collection":[{"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/comments?post=16834"}],"version-history":[{"count":0,"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/posts\/16834\/revisions"}],"wp:attachment":[{"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/media?parent=16834"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/categories?post=16834"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/tags?post=16834"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}