{"id":18663,"date":"2021-12-25T16:58:00","date_gmt":"2021-12-25T09:58:00","guid":{"rendered":"https:\/\/speed.family\/?p=18663"},"modified":"2021-12-25T16:58:00","modified_gmt":"2021-12-25T09:58:00","slug":"toi-uu-css-wordpress","status":"publish","type":"post","link":"https:\/\/kiencang.net\/toi-uu-css-wordpress\/","title":{"rendered":"C\u00e1c t\u00f9y ch\u1ecdn t\u1ed1i \u01b0u h\u00f3a CSS tr\u00ean trang WordPress trong th\u1ef1c t\u1ebf"},"content":{"rendered":"\n<p>Video gi\u1edbi thi\u1ec7u:<\/p>\n\n\n<iframe loading=\"lazy\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/yZ4kKZoeQBw\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"><\/iframe>\n\n\n<p>WordPress l\u00e0 h\u1ec7 th\u1ed1ng m\u1edf \u0111i\u1ec1u \u0111\u00f3 gi\u00fap CMS n\u00e0y c\u00f3 v\u00f4 s\u1ed1 theme &amp; plugin h\u1ed7 tr\u1ee3 thu\u1eadn l\u1ee3i cho ng\u01b0\u1eddi d\u00f9ng. Tuy nhi\u00ean n\u00f3 c\u0169ng t\u1ea1o ra nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 c\u00e1c thi\u1ebft k\u1ebf b\u00ean trong c\u00f3 th\u1ec3 ch\u01b0a t\u1ed1i \u01b0u. <\/p>\n\n\n<p>C\u00e1c <a href=\"https:\/\/kiencang.net\/toi-uu-hoa-phan-phoi-css\/\" target=\"_blank\" rel=\"noreferrer noopener\">l\u1eddi khuy\u00ean v\u1ec1 t\u1ed1i \u01b0u t\u1ed1c \u0111\u1ed9, hi\u1ec7u su\u1ea5t cho CSS tr\u01b0\u1edbc \u0111\u00e2y<\/a> th\u01b0\u1eddng khuy\u00ean ch\u00fang ta g\u1ed9p (combine) c\u00e1c file CSS tr\u00ean to\u00e0n trang th\u00e0nh m\u1ed9t file duy nh\u1ea5t v\u00e0 <a href=\"https:\/\/kiencang.net\/giam-thieu-css\/\" target=\"_blank\" rel=\"noreferrer noopener\">minify<\/a> (gi\u1ea3m thi\u1ec3u k\u00edch c\u1ee1) c\u1ee7a n\u00f3. Nh\u01b0ng \u0111i\u1ec1u \u0111\u00f3 \u0111\u00e3 kh\u00f4ng c\u00f2n l\u00e0 c\u00e1ch t\u1ed1i \u01b0u nh\u1ea5t hi\u1ec7n nay khi c\u00e1c CSS c\u00f3 kh\u1ea3 n\u0103ng t\u1ea3i song song nh\u1edd http\/2, <a href=\"https:\/\/kiencang.net\/xoa-cache-theme-plugin-update\/\" target=\"_blank\" rel=\"noreferrer noopener\">trang th\u01b0\u1eddng xuy\u00ean c\u1eadp nh\u1eadt<\/a> &amp; t\u1ea7m m\u1ee9c quan tr\u1ecdng c\u1ee7a <a href=\"https:\/\/kiencang.net\/bo-nho-dem-trinh-duyet\/\" target=\"_blank\" rel=\"noreferrer noopener\">cache tr\u00ecnh duy\u1ec7t<\/a> tr\u00ean c\u00e1c trang hay c\u00f3 ng\u01b0\u1eddi d\u00f9ng quay tr\u1edf l\u1ea1i.<\/p>\n\n\n<p>Trong b\u00e0i vi\u1ebft n\u00e0y t\u00f4i s\u1ebd ch\u1ec9 ra c\u00e1c th\u1ef1c h\u00e0nh c\u00f3 l\u1ee3i h\u01a1n tr\u00ean nhi\u1ec1u website:<\/p>\n\n\n<ul><li><strong>Ch\u1ecdn theme t\u1ed1i \u01b0u t\u1ed1c \u0111\u1ed9 s\u1eb5n ho\u1eb7c \u0111\u01b0\u1ee3c vi\u1ebft m\u00e3 t\u1ed1t<\/strong>: c\u00e1c theme n\u00e0y ngay t\u1eeb \u0111\u1ea7u \u0111\u00e3 c\u00f3 CSS t\u1ed1i \u01b0u cho b\u1ea1n r\u1ed3i. C\u00e1c r\u1eafc r\u1ed1i CSS t\u1eeb theme kh\u00f4ng h\u1ec1 nh\u1ecf n\u00ean b\u1ea1n ph\u1ea3i c\u00e2n nh\u1eafc \u0111i\u1ec1u n\u00e0y. Khi d\u00f9ng web m\u1ed9t th\u1eddi gian t\u01b0\u01a1ng \u0111\u1ed1i d\u00e0i, vi\u1ec7c \u0111\u1ed5i theme s\u1ebd ph\u1ee9c t\u1ea1p h\u01a1n so v\u1edbi \u0111\u1ed5i m\u1ed9t plugin n\u00e0o \u0111\u00f3 r\u1ea5t nhi\u1ec1u. N\u1ebfu theme kh\u00f4ng t\u1ed1t, vi\u1ec7c ch\u1ec9nh s\u1eeda CSS c\u1ee7a n\u00f3 c\u1ea7n k\u1ef9 n\u0103ng t\u1ed1t m\u00e0 kh\u00f4ng ph\u1ea3i ng\u01b0\u1eddi qu\u1ea3n tr\u1ecb web n\u00e0o c\u0169ng l\u00e0m \u0111\u01b0\u1ee3c. \u0110\u1ec1 xu\u1ea5t: s\u1eed d\u1ee5ng <a href=\"https:\/\/kiencang.net\/generatepress-theme-tot-nhat\/\" target=\"_blank\" rel=\"noreferrer noopener\">theme GeneratePress<\/a> l\u00e0 gi\u1ea3i ph\u00e1p ho\u00e0n h\u1ea3o trong ph\u1ea7n l\u1edbn tr\u01b0\u1eddng h\u1ee3p- \u0111\u1eb7c bi\u1ec7t v\u1edbi nh\u1eefng ai kh\u00f4ng m\u1ea1nh v\u1ec1 k\u1ef9 thu\u1eadt;<\/li><li><strong>Ch\u1ecdn plugin ch\u1ea5t l\u01b0\u1ee3ng<\/strong>: nh\u1eefng plugin n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c vi\u1ebft t\u1ed1t h\u01a1n. Hi\u1ec7u su\u1ea5t l\u00e0 m\u1ed9t ti\u00eau ch\u00ed quan tr\u1ecdng trong c\u00e1c plugin ch\u1ea5t l\u01b0\u1ee3ng cao. Tham kh\u1ea3o th\u00eam: <a href=\"https:\/\/kiencang.net\/dich-vu-wordpress-yeu-thich\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e1c plugin \u01b0a th\u00edch c\u1ee7a Ki\u1ebfn c\u00e0ng<\/a>. M\u1ed9t m\u1eb9o \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c plugin t\u1ed1t l\u00e0 \u0111\u1ecdc c\u00e1c review \u0111\u00e1nh gi\u00e1, xem s\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi d\u00f9ng c\u0169ng nh\u01b0 \u0111i\u1ec3m \u0111\u00e1nh gi\u00e1 chung c\u1ee7a n\u00f3. Ngo\u00e0i ra l\u00e0 ch\u1ecdn n\u01a1i b\u00e1n \u0111\u00e1ng tin c\u1eady;<\/li><li><strong>Kh\u00f4ng g\u1ed9p c\u00e1c file CSS ngo\u00e0i<\/strong>: trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p \u0111\u1ec3 c\u00e1c file CSS t\u00e1ch ri\u00eang v\u00e0 kh\u00f4ng g\u1ed9p ch\u00fang s\u1ebd t\u1ed1t h\u01a1n. C\u00f3 hai l\u1ee3i \u00edch c\u0103n b\u1ea3n: (1) t\u1ed1c \u0111\u1ed9 t\u1ea1o m\u1edbi cache HTML khi ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp, <a href=\"https:\/\/kiencang.net\/preload-cache-broken-link-checker\/\" target=\"_blank\" rel=\"noreferrer noopener\">preload cache<\/a> t\u1ed1t h\u01a1n h\u1eb3n do plugin cache kh\u00f4ng ph\u1ea3i m\u1ea5t th\u1eddi gian t\u1ed5ng h\u1ee3p l\u1ea1i CSS. (2) vi\u1ec7c c\u00e1c file CSS kh\u00f4ng thay \u0111\u1ed5i t\u00ean, kh\u00f4ng ph\u1ea3i t\u1ea1o file t\u1ed5ng h\u1ee3p m\u1edbi khi b\u1ea1n ch\u1ec9 c\u00f3 m\u1ed9t ch\u1ec9nh s\u1eeda nh\u1ecf v\u1ec1 giao di\u1ec7n tr\u00ean to\u00e0n trang c\u00f3 th\u1ec3 gi\u00fap \u0111a s\u1ed1 c\u00e1c file CSS \u0111\u00e3 \u0111\u01b0\u1ee3c cache s\u1eb5n tr\u00ean tr\u00ecnh duy\u1ec7t c\u1ee7a ng\u01b0\u1eddi d\u00f9ng \u0111\u00e3 t\u1eebng v\u00e0o website tr\u01b0\u1edbc \u0111\u00e2y, ngh\u0129a l\u00e0 t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n, <a href=\"https:\/\/kiencang.net\/cache-hit-ratio\/\" target=\"_blank\" rel=\"noreferrer noopener\">cache hit ratio<\/a> v\u1eabn s\u1ebd cao, bao g\u1ed3m c\u1ea3 CDN;<\/li><li><strong>Minify kh\u00f4ng c\u00f3 nhi\u1ec1u t\u00e1c d\u1ee5ng<\/strong>: <a href=\"https:\/\/kiencang.net\/bo-gop-minify-css\/\" target=\"_blank\" rel=\"noreferrer noopener\">gi\u1ea3m m\u1ed9t v\u00e0i KB trong file CSS kh\u00f4ng c\u00f3 t\u00e1c d\u1ee5ng \u0111\u00e1ng k\u1ec3 trong vi\u1ec7c t\u0103ng t\u1ed1c \u0111\u1ed9 trang<\/a>, so v\u1edbi b\u1ea5t l\u1ee3i m\u00e0 n\u00f3 ph\u1ea3i nh\u1eadn gi\u1ed1ng nh\u01b0 khi g\u1ed9p CSS ngo\u00e0i. Ngo\u00e0i ra c\u00e1c c\u1ea3i ti\u1ebfn c\u0169ng l\u00e0m minify gi\u1ea3m t\u00e1c d\u1ee5ng trong th\u1ef1c t\u1ebf b\u1edfi m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 sau: (1) c\u00e1c theme, plugin t\u1ed1t \u0111\u00e3 ch\u1ee7 \u0111\u1ed9ng minify CSS c\u1ee7a h\u1ecd, (2) hosting \u0111\u00e3 <a href=\"https:\/\/kiencang.net\/bat-nen-gzip\/\" target=\"_blank\" rel=\"noreferrer noopener\">n\u00e9n ch\u00fang d\u01b0\u1edbi d\u1ea1ng gzip<\/a> ho\u1eb7c <a href=\"https:\/\/kiencang.net\/nen-brotli-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">brotli<\/a>, (3) CDN gi\u00fap vi\u1ec7c load c\u00e1c file CSS nhanh h\u01a1n \u0111\u00e1ng k\u1ec3;<\/li><li><strong>Kh\u00f4ng g\u1ed9p CSS n\u1ed9i tuy\u1ebfn<\/strong>: tr\u00ean c\u00e1c theme v\u00e0 plugin \u0111\u01b0\u1ee3c vi\u1ebft m\u00e3 t\u1ed1t, <a href=\"https:\/\/kiencang.net\/noi-tuyen-cac-css-nho\/\" target=\"_blank\" rel=\"noreferrer noopener\">CSS n\u1ed9i tuy\u1ebfn<\/a> th\u01b0\u1eddng l\u00e0 ch\u1ee7 \u0111\u1ed9ng th\u00eam v\u00e0o \u0111\u1ec3 t\u1ed1i \u01b0u cho trang, vi\u1ec7c g\u1ed9p ch\u00fang th\u00e0nh file ngo\u00e0i c\u00f3 th\u1ec3 l\u00e0m trang ch\u1eadm \u0111i;<\/li><li><strong>T\u1ea1o Critical CSS<\/strong>: <a href=\"https:\/\/kiencang.net\/critical-css-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">CSS quan tr\u1ecdng tr\u00ean trang<\/a> gi\u00fap <a href=\"https:\/\/kiencang.net\/uu-tien-noi-dung-hien-thi\/\" target=\"_blank\" rel=\"noreferrer noopener\">n\u1ed9i dung thu\u1ed9c m\u00e0n h\u00ecnh \u0111\u1ea7u ti\u00ean<\/a> t\u1ea3i nhanh h\u01a1n. C\u00e1c file c\u00f2n l\u1ea1i n\u00ean t\u1ea3i kh\u00f4ng \u0111\u1ed3ng b\u1ed9. T\u00f9y ch\u1ecdn n\u00e0y khi l\u00e0m t\u1ed1t gi\u00fap <a href=\"https:\/\/kiencang.net\/loai-bo-css-chan-hien-thi\/\" target=\"_blank\" rel=\"noreferrer noopener\">lo\u1ea1i b\u1ecf v\u1ea5n \u0111\u1ec1 CSS ch\u1eb7n hi\u1ec3n th\u1ecb<\/a>. Nhi\u1ec1u plugin cache ng\u00e0y nay cho ph\u00e9p b\u1ea1n t\u1ea1o critical CSS t\u01b0\u01a1ng \u0111\u1ed1i d\u1ec5 d\u00e0ng, \u0111o\u1ea1n m\u00e3 n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c n\u1ed9i tuy\u1ebfn v\u00e0o trang HTML \u0111\u1ec3 t\u1ed1c \u0111\u1ed9 <a href=\"https:\/\/kiencang.net\/cach-trang-web-tai-va-hien-thi\/\" target=\"_blank\" rel=\"noreferrer noopener\">render (k\u1ebft xu\u1ea5t) trang<\/a> l\u00e0 nhanh nh\u1ea5t c\u00f3 th\u1ec3;<\/li><li><strong>Lo\u1ea1i b\u1ecf CSS kh\u00f4ng s\u1eed d\u1ee5ng<\/strong>: <a href=\"https:\/\/kiencang.net\/css-khong-su-dung-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">CSS kh\u00f4ng s\u1eed d\u1ee5ng<\/a> kh\u00f3 lo\u1ea1i b\u1ecf h\u01a1n nhi\u1ec1u vi\u1ec7c t\u1ea1o critical CSS. Kh\u00f4ng nhi\u1ec1u plugin cache x\u1eed l\u00fd t\u1ed1t v\u1ea5n \u0111\u1ec1 n\u00e0y, c\u00e1c d\u1ecbch v\u1ee5 c\u00f3 ph\u00ed th\u00ec th\u01b0\u1eddng c\u00f3 gi\u00e1 cao. \u0110\u1ec3 x\u1eed l\u00fd c\u00e1i n\u00e0y m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 th\u00ec b\u1ea1n n\u00ean ch\u1ecdn theme v\u00e0 plugin ch\u1ea5t l\u01b0\u1ee3ng, v\u00ec \u0111\u00e2y l\u00e0 nguy\u00ean nh\u00e2n ch\u00ednh c\u1ee7a vi\u1ec7c ch\u00e8n CSS v\u00f4 t\u1ed9i v\u1ea1. Ngo\u00e0i ra c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c plugin gi\u00fap lo\u1ea1i b\u1ecf CSS kh\u00f4ng d\u00f9ng nh\u01b0 <a href=\"https:\/\/kiencang.net\/category\/perfmatters\/\" target=\"_blank\" rel=\"noreferrer noopener\">Perfmatters<\/a> ho\u1eb7c <a href=\"https:\/\/kiencang.net\/plugin-gonzales\/\" target=\"_blank\" rel=\"noreferrer noopener\">Gonzales<\/a>, d\u00f9 \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 bi\u1ec7n ph\u00e1p ho\u00e0n h\u1ea3o, v\u00ec n\u00f3 ch\u1ec9 lo\u1ea1i b\u1ecf CSS kh\u00f4ng d\u00f9ng \u1edf d\u1ea1ng c\u1ea3 file, c\u00f2n CSS kh\u00f4ng d\u00f9ng m\u00e0 n\u1eb1m m\u1ed9t ph\u1ea7n trong file th\u00ec n\u00f3 kh\u00f4ng lo\u1ea1i b\u1ecf \u0111\u01b0\u1ee3c;<\/li><li><a href=\"https:\/\/kiencang.net\/huong-dan-plugin-flying-press\/\" target=\"_blank\" rel=\"noreferrer noopener\">Plugin FlyingPress<\/a> c\u00f3 t\u00ednh n\u0103ng lo\u1ea1i b\u1ecf CSS n\u1eb1m m\u1ed9t ph\u1ea7n trong file, nh\u00ecn chung n\u00f3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t tr\u00ean c\u00e1c trang \u0111\u01a1n gi\u1ea3n nh\u01b0ng trang ph\u1ee9c t\u1ea1p c\u00f3 th\u1ec3 g\u00e2y l\u1ed7i giao di\u1ec7n, do v\u1eady b\u1ea1n n\u00ean ki\u1ec3m tra l\u1ea1i c\u1ea9n th\u1eadn;<\/li><li><strong>\u0110\u1ec3 th\u1eddi gian cache tr\u00ecnh duy\u1ec7t cho CSS \u0111\u1ee7 l\u00e2u<\/strong>: 3 th\u00e1ng l\u00e0 \u0111\u01b0\u1ee3c, b\u1ea1n \u0111\u1ec3 l\u00e2u h\u01a1n c\u00e0ng t\u1ed1t (t\u00ecm hi\u1ec3u th\u00eam <a href=\"https:\/\/kiencang.net\/http-caching-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">HTTP caching<\/a>). Ng\u00e0y nay c\u00e1c theme &amp; plugin \u0111\u1ec1u th\u00eam <a href=\"https:\/\/kiencang.net\/css-wordpress-version\/\" target=\"_blank\" rel=\"noreferrer noopener\">query string \u0111\u1ec3 th\u1ec3 hi\u1ec7n c\u00e1c b\u1ea3n c\u1eadp nh\u1eadt cho file CSS, JS<\/a> n\u00ean b\u1ea1n kh\u00f4ng lo v\u1ea5n \u0111\u1ec1 c\u00f3 c\u1eadp nh\u1eadt m\u00e0 trang l\u1ea1i s\u1eed d\u1ee5ng cache c\u0169 tr\u00ean tr\u00ecnh duy\u1ec7t c\u1ee7a kh\u00e1ch \u0111\u00e3 t\u1eebng gh\u00e9 th\u0103m tr\u01b0\u1edbc \u0111\u00e2y;<\/li><li><strong>B\u1eadt m\u00e3 ngu\u1ed3n c\u1ee7a trang, t\u1ea3i th\u1eed \u0111\u1ec3 xem c\u00e1c c\u00e0i \u0111\u1eb7t c\u00f3 nh\u01b0 \u00fd b\u1ea1n kh\u00f4ng<\/strong>: m\u1ed9t v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh l\u00e0 <a href=\"https:\/\/kiencang.net\/browser-cache-ttl-trong-openlitespeed\/\" target=\"_blank\" rel=\"noreferrer noopener\">th\u1eddi gian cache ph\u00eda tr\u00ecnh duy\u1ec7t kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp nh\u01b0 \u00fd th\u00f4ng qua plugin LiteSpeed cache tr\u00ean n\u1ec1n m\u00e1y ch\u1ee7 OpenLiteSpeed<\/a> m\u00e0 r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi hi\u1ec7n \u0111ang d\u00f9ng.<\/li><\/ul>\n\n\n<p>L\u00e0m th\u1ebf n\u00e0o b\u1ea1n bi\u1ebft website c\u1ee7a b\u1ea1n c\u00f3 http\/2 hay kh\u00f4ng. B\u1ea1n ch\u1ec9 c\u1ea7n truy c\u1eadp v\u00e0o c\u00f4ng c\u1ee5 n\u00e0y \u0111\u1ec3 ki\u1ec3m tra: <a href=\"https:\/\/tools.keycdn.com\/http2-test\" target=\"_blank\" rel=\"noreferrer noopener\">tools.keycdn.com\/http2-test<\/a><\/p>\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n<h2 class=\"wp-block-heading\" id=\"v\u1eady-t\u1ed5ng-h\u1ee3p-css-co-l\u1ee3i-trong-cac-tr\u01b0\u1eddng-h\u1ee3p-nao\">V\u1eady t\u1ed5ng h\u1ee3p CSS c\u00f3 l\u1ee3i trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p n\u00e0o?<\/h2>\n\n\n<p>N\u1ebfu r\u01a1i v\u00e0o \u0111\u1ed3ng th\u1eddi c\u00e1c tr\u01b0\u1eddng h\u1ee3p sau, vi\u1ec7c t\u1ed5ng h\u1ee3p CSS th\u00e0nh m\u1ed9t file duy nh\u1ea5t c\u00f3 th\u1ec3 c\u00f3 l\u1ee3i h\u01a1n:<\/p>\n\n\n<ul><li>File CSS t\u1ed5ng h\u1ee3p c\u00f3 dung l\u01b0\u1ee3ng kh\u00f4ng qu\u00e1 l\u1edbn, m\u1ed1c t\u1ed1t l\u00e0 d\u01b0\u1edbi 100KB (c\u00f3 ngh\u0129a l\u00e0 d\u01b0\u1edbi 100KB th\u00ec t\u1ed5ng h\u1ee3p c\u0169ng \u0111\u01b0\u1ee3c);<\/li><li>B\u1ea1n v\u1eabn tri\u1ec3n khai critical CSS;<\/li><li>Website c\u1ee7a b\u1ea1n l\u00e2u l\u00e2u m\u1edbi t\u00e1c \u0111\u1ed9ng khi\u1ebfn CSS thay \u0111\u1ed5i, m\u1ed1c t\u1ed1t l\u00e0 1 th\u00e1ng;<\/li><\/ul>\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n<p>Cu\u1ed1i c\u00f9ng b\u1ea1n n\u00ean ki\u1ec3m tra c\u00e1c thi\u1ebft l\u1eadp c\u1ee7a m\u00ecnh, so s\u00e1nh n\u00f3 \u0111\u1ec3 bi\u1ebft c\u00e1c t\u00f9y ch\u1ecdn n\u00e0o l\u00e0 t\u1ed1t h\u01a1n, v\u00ec kh\u00f3 c\u00f3 t\u00f9y ch\u1ecdn n\u00e0o \u0111\u00fang trong m\u1ecdi tr\u01b0\u1eddng h\u1ee3p. V\u00e0 l\u00fd do x\u00e1c \u0111\u00e1ng h\u01a1n cho \u0111i\u1ec1u n\u00e0y l\u00e0 v\u00ec ch\u00fang ta kh\u00f4ng th\u1ec3 n\u1eafm r\u00f5 ngay t\u1eeb ban \u0111\u1ea7u c\u00e1ch trang t\u1ea3i c\u00e1c file CSS c\u1ee5 th\u1ec3 n\u00e0o v\u00e0 t\u1ea3i ch\u00fang ra sao, n\u00ean ki\u1ec3m tra trong m\u00f4i tr\u01b0\u1eddng th\u1ef1c t\u1ebf v\u1eabn l\u00e0 \u0111i\u1ec1u lu\u00f4n lu\u00f4n \u0111\u01b0\u1ee3c khuy\u1ebfn kh\u00edch thay v\u00ec thu\u1ea7n t\u00fay d\u1ef1a v\u00e0o c\u00e1c \u00fd t\u01b0\u1edfng l\u00fd thuy\u1ebft r\u1ed3i ch\u1ed1t h\u1ea1 ngay v\u00e0 lu\u00f4n.<\/p>\n\n\n<p>PS: trang Ki\u1ebfn c\u00e0ng \u0111\u00e3 b\u1ecf g\u1ed9p &amp; minify CSS c\u0169ng nh\u01b0 JS.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Video gi\u1edbi thi\u1ec7u: WordPress l\u00e0 h\u1ec7 th\u1ed1ng m\u1edf \u0111i\u1ec1u \u0111\u00f3 gi\u00fap CMS n\u00e0y c\u00f3 v\u00f4 s\u1ed1 theme &amp; plugin h\u1ed7 tr\u1ee3 thu\u1eadn l\u1ee3i cho ng\u01b0\u1eddi d\u00f9ng. Tuy nhi\u00ean n\u00f3 c\u0169ng t\u1ea1o ra nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 c\u00e1c thi\u1ebft k\u1ebf b\u00ean trong c\u00f3 th\u1ec3 ch\u01b0a t\u1ed1i \u01b0u. C\u00e1c l\u1eddi khuy\u00ean v\u1ec1 t\u1ed1i \u01b0u t\u1ed1c \u0111\u1ed9, hi\u1ec7u su\u1ea5t &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[262],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C\u00e1c t\u00f9y ch\u1ecdn t\u1ed1i \u01b0u h\u00f3a CSS tr\u00ean trang WordPress trong th\u1ef1c t\u1ebf &#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-css-wordpress\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u00e1c t\u00f9y ch\u1ecdn t\u1ed1i \u01b0u h\u00f3a CSS tr\u00ean trang WordPress trong th\u1ef1c t\u1ebf &#8226; Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"og:description\" content=\"Video gi\u1edbi thi\u1ec7u: WordPress l\u00e0 h\u1ec7 th\u1ed1ng m\u1edf \u0111i\u1ec1u \u0111\u00f3 gi\u00fap CMS n\u00e0y c\u00f3 v\u00f4 s\u1ed1 theme &amp; plugin h\u1ed7 tr\u1ee3 thu\u1eadn l\u1ee3i cho ng\u01b0\u1eddi d\u00f9ng. 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Tuy nhi\u00ean n\u00f3 c\u0169ng t\u1ea1o ra nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 c\u00e1c thi\u1ebft k\u1ebf b\u00ean trong c\u00f3 th\u1ec3 ch\u01b0a t\u1ed1i \u01b0u. 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