{"id":12390362,"date":"2026-04-12T22:30:45","date_gmt":"2026-04-12T14:30:45","guid":{"rendered":"https:\/\/www.likacloud.com\/knowledge\/wordpress%e7%bd%91%e7%ab%99%e4%bc%98%e5%8c%96%e6%8c%87%e5%8d%97%ef%bc%9a%e4%bb%8e%e5%8a%a0%e8%bd%bd%e9%80%9f%e5%ba%a6%e5%88%b0%e6%a0%b8%e5%bf%83%e7%bd%91%e9%a1%b5%e6%8c%87%e6%a0%87%e6%8f%90%e5%8d%87\/"},"modified":"2026-06-05T08:36:08","modified_gmt":"2026-06-05T00:36:08","slug":"wordpress-website-optimization-guide-core-web-vitals","status":"publish","type":"knowledge_post","link":"https:\/\/www.likacloud.com\/vi\/knowledge\/wordpress\/wordpress-website-optimization-guide-core-web-vitals\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn t\u1ed1i \u01b0u h\u00f3a website WordPress: T\u1eeb t\u1ed1c \u0111\u1ed9 t\u1ea3i \u0111\u1ebfn c\u1ea3i thi\u1ec7n Core Web Vitals"},"content":{"rendered":"

Gi\u00e1m s\u00e1t hi\u1ec7u n\u0103ng trang web v\u00e0 ph\u00e2n t\u00edch c\u00e1c ch\u1ec9 s\u1ed1 c\u1ed1t l\u00f5i<\/h2>\n\n\n\n

Tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh t\u1ed1i \u01b0u h\u00f3a, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i x\u00e2y d\u1ef1ng m\u1ed9t h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t hi\u1ec7u n\u0103ng c\u00f3 th\u1ec3 \u0111o l\u01b0\u1eddng \u0111\u01b0\u1ee3c m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c. Google Core Web Vitals hi\u1ec7n \u0111ang l\u00e0 ti\u00eau chu\u1ea9n quan tr\u1ecdng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng, bao g\u1ed3m ba ch\u1ec9 s\u1ed1: LCP (Time to First Paint), FID (\u0111\u00e3 \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng INP), v\u00e0 CLS (Cumulative Layout Shift). \u0110\u1ed1i v\u1edbi c\u00e1c trang web s\u1eed d\u1ee5ng WordPress, vi\u1ec7c c\u1ea3i thi\u1ec7n c\u00e1c ch\u1ec9 s\u1ed1 n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ee5c ti\u00eau tr\u1ecdng t\u00e2m trong qu\u00e1 tr\u00ecnh t\u1ed1i \u01b0u h\u00f3a.<\/p>\n\n\n\n

Tr\u01b0\u1edbc h\u1ebft, c\u1ea7n s\u1eed d\u1ee5ng nh\u1eefng c\u00f4ng c\u1ee5 \u0111\u00e1ng tin c\u1eady \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p \u0111o l\u01b0\u1eddng. Ch\u00fang t\u00f4i khuy\u1ebfn ngh\u1ecb s\u1eed d\u1ee5ng b\u00e1o c\u00e1o \u201cCore Web Vitals\u201d c\u1ee7a Google Search Console, PageSpeed Insights v\u00e0 WebPageTest. Nh\u1eefng c\u00f4ng c\u1ee5 n\u00e0y cung c\u1ea5p d\u1eef li\u1ec7u t\u1eeb c\u1ea3 m\u00f4i tr\u01b0\u1eddng th\u1eed nghi\u1ec7m trong ph\u00f2ng th\u00ed nghi\u1ec7m l\u1eabn t\u1eeb ng\u01b0\u1eddi d\u00f9ng th\u1ef1c t\u1ebf. Trong giao di\u1ec7n qu\u1ea3n tr\u1ecb WordPress, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p \u0111o l\u01b0\u1eddng n\u00e0y b\u1eb1ng c\u00e1ch c\u00e0i \u0111\u1eb7t c\u00e1c ti\u1ec7n \u00edch ph\u00f9 h\u1ee3p.Query Monitor<\/code>\u3001Health Check & Troubleshooting<\/code>C\u00e1c plugin n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 h\u1ed7 tr\u1ee3 trong vi\u1ec7c ch\u1ea9n \u0111o\u00e1n c\u00e1c \u0111i\u1ec3m ngh\u1ebdn v\u1ec1 hi\u1ec7u su\u1ea5t (performance bottlenecks).<\/p>\n\n\n\n

Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c ch\u1ec9 s\u1ed1 n\u00e0y l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng. Th\u1eddi gian t\u1ed1i \u0111a \u0111\u1ec3 hi\u1ec3n th\u1ecb to\u00e0n b\u1ed9 n\u1ed9i dung (LCP \u2013 Largest Content Paint) \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t t\u1ea3i trang; th\u1eddi gian l\u00fd t\u01b0\u1edfng n\u00ean d\u01b0\u1edbi 2,5 gi\u00e2y. Ch\u1ec9 s\u1ed1 n\u00e0y th\u01b0\u1eddng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi th\u1eddi gian ph\u1ea3n h\u1ed3i c\u1ee7a m\u00e1y ch\u1ee7, c\u00e1c t\u00e0i nguy\u00ean c\u1ea3n tr\u1edf qu\u00e1 tr\u00ecnh render, v\u00e0 th\u1eddi gian t\u1ea3i c\u00e1c t\u00e0i nguy\u00ean \u0111\u00f3. \u0110\u1ed9 l\u1ec7ch b\u1ed1 c\u1ee5c t\u00edch l\u0169y (CLS \u2013 Cumulative Layout Shift) \u0111o m\u1ee9c \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u1ec1 m\u1eb7t tr\u1ef1c quan; gi\u00e1 tr\u1ecb l\u00fd t\u01b0\u1edfng n\u00ean d\u01b0\u1edbi 0,1. Nh\u1eefng h\u00ecnh \u1ea3nh kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp k\u00edch th\u01b0\u1edbc, qu\u1ea3ng c\u00e1o ho\u1eb7c n\u1ed9i dung \u0111\u01b0\u1ee3c t\u1ea3i \u0111\u1ed9ng l\u00e0 nh\u1eefng nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn g\u00e2y ra v\u1ea5n \u0111\u1ec1 n\u00e0y. Ch\u1ec9 s\u1ed1 INP (Interactive to Next Paint) thay th\u1ebf cho ch\u1ec9 s\u1ed1 FID (First Input Delay) \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 t\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i ng\u01b0\u1eddi d\u00f9ng; gi\u00e1 tr\u1ecb l\u00fd t\u01b0\u1edfng n\u00ean d\u01b0\u1edbi 200 mili gi\u00e2y.<\/p>\n

\u0110\u1ecdc th\u00eam 10 m\u1eb9o t\u1ed1i \u01b0u h\u00f3a WordPress v\u00e0 h\u01b0\u1edbng d\u1eabn th\u1ef1c h\u00e0nh \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t trang web<\/a>\u3002<\/p>\n\n\n\n\n

Nh\u1eefng nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n v\u1ec1 t\u1ed1i \u01b0u h\u00f3a m\u00e1y ch\u1ee7 v\u00e0 m\u00f4i tr\u01b0\u1eddng l\u01b0u tr\u1eef<\/h2>\n\n\n\n

\u201cN\u1ec1n t\u1ea3ng\u201d c\u1ee7a m\u1ed9t trang web \u2013 \u0111\u00f3 l\u00e0 c\u00e1c m\u00e1y ch\u1ee7 v\u00e0 m\u00f4i tr\u01b0\u1eddng l\u01b0u tr\u1eef \u2013 ch\u00ednh l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh gi\u1edbi h\u1ea1n hi\u1ec7u n\u0103ng c\u1ee7a trang web \u0111\u00f3. B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean trong qu\u00e1 tr\u00ecnh x\u00e2y d\u1ef1ng trang web l\u00e0 l\u1ef1a ch\u1ecdn d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef c\u00f3 hi\u1ec7u su\u1ea5t cao; b\u1ea1n n\u00ean \u01b0u ti\u00ean nh\u1eefng d\u1ecbch v\u1ee5 cung c\u1ea5p c\u00e1c m\u00e1y ch\u1ee7 LiteSpeed, NGINX, v\u00e0 t\u00edch h\u1ee3p s\u1eb5n ch\u1ee9c n\u0103ng l\u01b0u tr\u1eef \u0111\u1ed1i t\u01b0\u1ee3ng (object caching).<\/p>\n\n\r\n

\r\n \r\n
\r\n \r\n UltaHost \u2013 Nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 m\u00e1y ch\u1ee7 WordPress chuy\u00ean nghi\u1ec7p <\/strong>\r\n
B\u1ea3o \u0111\u1ea3m ho\u00e0n ti\u1ec1n trong 30 ng\u00e0y, b\u0103ng th\u00f4ng v\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u kh\u00f4ng gi\u1edbi h\u1ea1n, b\u1ea3o v\u1ec7 DDoS mi\u1ec5n ph\u00ed, mua 3 n\u0103m \u01b0u \u0111\u00e3i 50%<\/div>\r\n <\/div>\r\n\r\n
\r\n \r\n \"Logo\r\n \r\n <\/a>\r\n \r\n \r\n Truy c\u1eadp trang <\/a>\r\n <\/div>\r\n<\/div>\n\n\n\n\n\n\n

Caching \u1edf c\u1ea5p \u0111\u1ed9 m\u00e1y ch\u1ee7 l\u00e0 ph\u01b0\u01a1ng th\u1ee9c t\u0103ng t\u1ed1c hi\u1ec7u qu\u1ea3 nh\u1ea5t. N\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 LiteSpeed, h\u00e3y nh\u1edb c\u00e0i \u0111\u1eb7t v\u00e0 c\u1ea5u h\u00ecnh n\u00f3 \u0111\u00fang c\u00e1ch.LiteSpeed Cache<\/code>Plugin. N\u00f3 c\u00f3 th\u1ec3 cung c\u1ea5p c\u00e1c ch\u1ee9c n\u0103ng l\u01b0u tr\u1eef d\u1eef li\u1ec7u trong b\u1ed9 nh\u1edb \u0111\u1ec7m (cache) \u1edf c\u1ea5p \u0111\u1ed9 m\u00e1y ch\u1ee7, c\u1ea5p \u0111\u1ed9 \u0111\u1ed1i t\u01b0\u1ee3ng (object cache) v\u00e0 c\u1ea5p \u0111\u1ed9 tr\u00ecnh duy\u1ec7t (browser cache), v\u1edbi hi\u1ec7u qu\u1ea3 v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi c\u00e1c plugin l\u01b0u tr\u1eef d\u1eef li\u1ec7u ch\u1ec9 ho\u1ea1t \u0111\u1ed9ng \u1edf c\u1ea5p \u0111\u1ed9 PHP. \u0110\u1ed1i v\u1edbi m\u00e1y ch\u1ee7 NGINX, b\u1ea1n c\u00f3 th\u1ec3 xem x\u00e9t sWP Rocket<\/code>\u6216W3 Total Cache<\/code>C\u00e1c plugin n\u00e0y \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi c\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7 \u0111\u1ec3 th\u1ef1c hi\u1ec7n ch\u1ee9c n\u0103ng c\u1ee7a ch\u00fang.<\/p>\n\n\n\n

Vi\u1ec7c n\u00e2ng c\u1ea5p phi\u00ean b\u1ea3n PHP c\u00f3 th\u1ec3 mang l\u1ea1i s\u1ef1 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 v\u1ec1 hi\u1ec7u su\u1ea5t. H\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n \u0111ang ch\u1ea1y phi\u00ean b\u1ea3n PHP m\u1edbi h\u01a1n (ch\u1eb3ng h\u1ea1n PHP 8.0 tr\u1edf l\u00ean), v\u00ec c\u00e1c phi\u00ean b\u1ea3n m\u1edbi th\u01b0\u1eddng c\u00f3 t\u1ed1c \u0111\u1ed9 th\u1ef1c thi nhanh h\u01a1n v\u00e0 ti\u00eau th\u1ee5 \u00edt b\u1ed9 nh\u1edb h\u01a1n. B\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c n\u00e0y th\u00f4ng qua b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n c\u1ee7a m\u00e1y ch\u1ee7 ho\u1eb7c theo c\u00e1c h\u01b0\u1edbng d\u1eabn \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 m\u00e1wp-config.php<\/code>C\u00e1c t\u1eadp tin c\u1ea7n \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a theo nhu c\u1ea7u c\u1ee5 th\u1ec3, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111i\u1ec1u ch\u1ec9nh gi\u1edbi h\u1ea1n b\u1ed9 nh\u1edb PHP:<\/p>\n\n\n\n

define( 'WP_MEMORY_LIMIT', '256M' );<\/code><\/pre>\n\n\n\n
Vi\u1ec7c tri\u1ec3n khai m\u1ea1ng l\u01b0\u1edbi ph\u00e2n ph\u1ed1i n\u1ed9i dung (Content Delivery Network \u2013 CDN) l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng. CDN s\u1ebd ph\u00e2n ph\u1ed1i c\u00e1c t\u00e0i nguy\u00ean t\u0129nh c\u1ee7a b\u1ea1n (h\u00ecnh \u1ea3nh, CSS, JavaScript) \u0111\u1ebfn c\u00e1c node (n\u00fat) \u1edf kh\u1eafp n\u01a1i tr\u00ean th\u1ebf gi\u1edbi, gi\u00fap ng\u01b0\u1eddi d\u00f9ng nh\u1eadn \u0111\u01b0\u1ee3c d\u1eef li\u1ec7u t\u1eeb node g\u1ea7n nh\u1ea5t, t\u1eeb \u0111\u00f3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 tr\u1ec5 trong qu\u00e1 tr\u00ecnh truy c\u1eadp trang web. Cloudflare, StackPath v\u00e0 KeyCDN l\u00e0 nh\u1eefng l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn; h\u1ea7u h\u1ebft ch\u00fang \u0111\u1ec1u c\u00f3 th\u1ec3 t\u00edch h\u1ee3p m\u1ed9t c\u00e1ch ho\u00e0n h\u1ea3o v\u1edbi c\u00e1c plugin t\u1ed1i \u01b0u h\u00f3a b\u1ed9 nh\u1edb \u0111\u1ec7m (cache) c\u1ee7a WordPress.<\/p>\n\n\n\n
Chi\u1ebfn l\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u qu\u1ea3 \u1edf c\u1ea5p \u0111\u1ed9 ch\u1ee7 \u0111\u1ec1 v\u00e0 m\u00e3 ngu\u1ed3n<\/h2>\n\n\n\n
Ch\u1ea5t l\u01b0\u1ee3ng m\u00e3 ngu\u1ed3n c\u1ee7a c\u00e1c ch\u1ee7 \u0111\u1ec1 (theme) v\u00e0 plugin cho WordPress tr\u1ef1c ti\u1ebfp \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a trang web. M\u1ed9t ch\u1ee7 \u0111\u1ec1 n\u1eb7ng n\u1ec1, \u0111\u01b0\u1ee3c vi\u1ebft k\u00e9m, d\u00f9 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a \u1edf c\u00e1c kh\u00eda c\u1ea1nh kh\u00e1c \u0111\u1ebfn \u0111\u00e2u, c\u0169ng kh\u00f4ng th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u01b0u.<\/p>\n
\u0110\u1ecdc th\u00eam C\u00e1ch t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t trang web WordPress c\u1ee7a b\u1ea1n: H\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u00e0 th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t<\/a>\u3002<\/p>\n\n\n\n\n
Khi ch\u1ecdn ch\u1ee7 \u0111\u1ec1 (theme) cho trang web, b\u1ea1n n\u00ean \u01b0u ti\u00ean y\u1ebfu t\u1ed1 hi\u1ec7u n\u0103ng. H\u00e3y s\u1eed d\u1ee5ng nh\u1eefng ch\u1ee7 \u0111\u1ec1 hi\u1ec7n \u0111\u1ea1i, nh\u1eb9 nh\u00e0ng v\u00e0 t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd nhanh nh\u01b0 GeneratePress, Astra ho\u1eb7c Blocksy. Tr\u00e1nh s\u1eed d\u1ee5ng nh\u1eefng ch\u1ee7 \u0111\u1ec1 \u201c\u0111a n\u0103ng\u201d c\u00f3 qu\u00e1 nhi\u1ec1u hi\u1ec7u \u1ee9ng \u0111\u1ed9ng (dynamic effects) ph\u1ee9c t\u1ea1p ho\u1eb7c nh\u1eefng c\u00f4ng c\u1ee5 x\u00e2y d\u1ef1ng trang (page builders) c\u1ed3ng k\u1ec1nh. H\u00e3y ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 v\u00e0 v\u00f4 hi\u1ec7u h\u00f3a nh\u1eefng plugin kh\u00f4ng c\u1ea7n thi\u1ebft; m\u1ed7i plugin \u0111\u1ec1u l\u00e0m t\u0103ng s\u1ed1 l\u01b0\u1ee3ng y\u00eau c\u1ea7u HTTP v\u00e0 chi ph\u00ed x\u1eed l\u00fd b\u1eb1ng PHP.<\/p>\n\n\n\n
Vi\u1ec7c k\u1ebft h\u1ee3p (merge) v\u00e0 gi\u1ea3m k\u00edch th\u01b0\u1edbc (minimize) c\u00e1c t\u1ec7p CSS c\u0169ng nh\u01b0 JavaScript c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 s\u1ed1 l\u01b0\u1ee3ng y\u00eau c\u1ea7u (requests) t\u1eeb tr\u00ecnh duy\u1ec7t v\u00e0 l\u01b0\u1ee3ng d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n \u0111i. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng nh\u1edd c\u00e1c ti\u1ec7n \u00edch (plugins) d\u00e0nh cho vi\u1ec7c l\u01b0u tr\u1eef d\u1eef li\u1ec7u trongLiteSpeed Cache<\/code>Trong m\u1ee5c \u201cCSS Settings\u201d v\u00e0 \u201cJS Settings\u201d, h\u00e3y b\u1eadt c\u00e1c t\u00f9y ch\u1ecdn \u201cCSS Minimize\u201d, \u201cJS Minimize\u201d v\u00e0 \u201cMerge\u201d. \u0110\u1ed3ng th\u1eddi, h\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c script JS kh\u00f4ng quan tr\u1ecdng \u0111\u01b0\u1ee3c t\u1ea3i ch\u1eadm (delay loading) ho\u1eb7c theo c\u00e1ch \u0111\u1ed3ng b\u1ed9 (async loading) \u0111\u1ec3 tr\u00e1nh ch\u00fang c\u1ea3n tr\u1edf qu\u00e1 tr\u00ecnh hi\u1ec3n th\u1ecb trang web.<\/p>\n\n\n\n
B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c h\u00e0m hook c\u1ee7a WordPress \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a qu\u00e1 tr\u00ecnh t\u1ea3i c\u00e1c t\u00e0i nguy\u00ean tr\u00ean trang web. V\u00ed d\u1ee5, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u01b0a c\u00e1c b\u1ea3ng \u0111\u1ecbnh d\u1ea1ng (stylesheets) v\u00e0 c\u00e1c t\u1eadp l\u1ec7nh JavaScript (scripts) v\u00e0o ph\u1ea7n ch\u00e2n trang (footer), ho\u1eb7c ch\u1ec9 t\u1ea3i nh\u1eefng t\u00e0i nguy\u00ean c\u1ea7n thi\u1ebft cho t\u1eebng trang c\u1ee5 th\u1ec3. V\u00ed d\u1ee5 m\u00e3 sau minh h\u1ecda c\u00e1ch lo\u1ea1i b\u1ecf script Emoji t\u00edch h\u1ee3p s\u1eb5n trong WordPress t\u1eeb c\u00e1c trang kh\u00f4ng thu\u1ed9c ph\u1ea7n qu\u1ea3n tr\u1ecb (non-admin pages) \u2013 \u0111\u00e2y l\u00e0 m\u1ed9t bi\u1ec7n ph\u00e1p t\u1ed1i \u01b0u h\u00f3a ph\u1ed5 bi\u1ebfn:<\/p>\n\n\r\n
\r\n     \r\n  
\r\n    \r\n      Hosting.com - l\u01b0u tr\u1eef chia s\u1ebb    <\/strong>\r\n    
Hi\u1ec7u n\u0103ng cao, \u0111\u01b0\u1ee3c trang b\u1ecb CPU AMD EPYC, l\u01b0u tr\u1eef SSD NVMe v\u00e0 LiteSpeed, h\u1ed7 tr\u1ee3 chuy\u00ean gia n\u1ed9i b\u1ed9 24 gi\u1edd\/ng\u00e0y, c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt ti\u00ean ti\u1ebfn bao g\u1ed3m SSL, ch\u1ed1ng brute force, ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i v\u00e0 b\u1ea3o v\u1ec7 DDoS, ti\u1ebft ki\u1ec7m t\u1edbi 73%.<\/div>\r\n  <\/div>\r\n\r\n  
\r\n          \r\n                  \"Logo\r\n          \r\n              <\/a>\r\n    \r\n    \r\n       Truy c\u1eadp trang    <\/a>\r\n  <\/div>\r\n<\/div>\n\n\n\n\n\n\n
function disable_emojis() {\n    remove_action( 'wp_head', 'print_emoji_detection_script', 7 );\n    remove_action( 'admin_print_scripts', 'print_emoji_detection_script' );\n    remove_action( 'wp_print_styles', 'print_emoji_styles' );\n    remove_action( 'admin_print_styles', 'print_emoji_styles' );\n    remove_filter( 'the_content_feed', 'wp_staticize_emoji' );\n    remove_filter( 'comment_text_rss', 'wp_staticize_emoji' );\n    remove_filter( 'wp_mail', 'wp_staticize_emoji_for_email' );\n}\nadd_action( 'init', 'disable_emojis' );<\/code><\/pre>\n\n\n\n
Qu\u1ea3n l\u00fd tinh vi ngu\u1ed3n l\u1ef1c truy\u1ec1n th\u00f4ng v\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u<\/h2>\n\n\n\n
Nh\u1eefng h\u00ecnh \u1ea3nh ch\u01b0a \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a l\u00e0 nguy\u00ean nh\u00e2n h\u00e0ng \u0111\u1ea7u khi\u1ebfn trang web ho\u1ea1t \u0111\u1ed9ng ch\u1eadm. Tr\u01b0\u1edbc h\u1ebft, t\u1ea5t c\u1ea3 c\u00e1c h\u00ecnh \u1ea3nh \u0111\u01b0\u1ee3c t\u1ea3i l\u00ean n\u00ean \u0111\u01b0\u1ee3c n\u00e9n m\u00e0 v\u1eabn \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 r\u00f5 n\u00e9t. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0\u2026ShortPixel<\/code>\u3001Imagify<\/code>\u6216EWWW Image Optimizer<\/code>Lo\u1ea1i plugin n\u00e0y t\u1ef1 \u0111\u1ed9ng n\u00e9n h\u00ecnh \u1ea3nh khi \u0111\u01b0\u1ee3c t\u1ea3i l\u00ean. Th\u1ee9 hai, b\u1ea1n nh\u1ea5t \u0111\u1ecbnh ph\u1ea3i thi\u1ebft l\u1eadp \u0111\u00fang k\u00edch th\u01b0\u1edbc cho h\u00ecnh \u1ea3nh. H\u00e3y s\u1eed d\u1ee5ng \u201cC\u00e0i \u0111\u1eb7t Media\u201d trong WordPress \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc c\u1ee7a h\u00ecnh \u1ea3nh lo\u1ea1i l\u1edbn, trung b\u00ecnh v\u00e0 \u1ea3nh thu nh\u1ecf, sau \u0111\u00f3 \u00e1p d\u1ee5ng c\u00e1c thi\u1ebft l\u1eadp \u0111\u00f3 \u1edf ph\u00eda tr\u01b0\u1edbc (frontend).srcset<\/code>C\u00e1c thu\u1ed9c t\u00ednh n\u00e0y gi\u00fap tr\u00ecnh duy\u1ec7t l\u1ef1a ch\u1ecdn h\u00ecnh \u1ea3nh ph\u00f9 h\u1ee3p d\u1ef1a tr\u00ean k\u00edch th\u01b0\u1edbc m\u00e0n h\u00ecnh c\u1ee7a thi\u1ebft b\u1ecb ng\u01b0\u1eddi d\u00f9ng.<\/p>\n\n\n\n
C\u00e1c \u0111\u1ecbnh d\u1ea1ng h\u00ecnh \u1ea3nh hi\u1ec7n \u0111\u1ea1i nh\u01b0 WebP c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf h\u01a1n nhi\u1ec1u so v\u1edbi JPEG ho\u1eb7c PNG, m\u1eb7c d\u00f9 v\u1eabn \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng. B\u1ea1n c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n \u0111\u1ed5i c\u00e1c h\u00ecnh \u1ea3nh hi\u1ec7n c\u00f3 sang \u0111\u1ecbnh d\u1ea1ng WebP b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng (plugin) ho\u1eb7c quy t\u1eafc tr\u00ean m\u00e1y ch\u1ee7, \u0111\u1ed3ng th\u1eddi cung c\u1ea5p gi\u1ea3i ph\u00e1p thay th\u1ebf cho nh\u1eefng tr\u00ecnh duy\u1ec7t c\u0169 kh\u00f4ng h\u1ed7 tr\u1ee3 \u0111\u1ecbnh d\u1ea1ng n\u00e0y. C\u00f4ng ngh\u1ec7 t\u1ea3i \u1ea3nh theo y\u00eau c\u1ea7u (lazy loading) cho ph\u00e9p tr\u00ec ho\u00e3n vi\u1ec7c t\u1ea3i c\u00e1c h\u00ecnh \u1ea3nh n\u1eb1m ngo\u00e0i ph\u1ea1m vi hi\u1ec3n th\u1ecb tr\u00ean trang web cho \u0111\u1ebfn khi ng\u01b0\u1eddi d\u00f9ng di chuy\u1ec3n chu\u1ed9t \u0111\u1ebfn g\u1ea7n ch\u00fang. WordPress phi\u00ean b\u1ea3n 5.5 tr\u1edf l\u00ean \u0111\u00e3 h\u1ed7 tr\u1ee3 t\u00ednh n\u0103ng t\u1ea3i \u1ea3nh theo y\u00eau c\u1ea7u m\u1ed9t c\u00e1ch n\u1ed9i b\u1ed9; \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c t\u1ea3i c\u00e1c t\u00e0i nguy\u00ean kh\u00e1c tr\u00ean trang web, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c plugin d\u00e0nh ri\u00eang cho m\u1ee5c \u0111\u00edch n\u00e0y.<\/p>\n\n\n\n
C\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 tr\u00e1i tim ho\u1ea1t \u0111\u1ed9ng c\u1ee7a WordPress; sau th\u1eddi gian d\u00e0i v\u1eadn h\u00e0nh, n\u00f3 s\u1ebd t\u1ea1o ra r\u1ea5t nhi\u1ec1u d\u1eef li\u1ec7u th\u1eeba, nh\u01b0 c\u00e1c phi\u00ean b\u1ea3n \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eeda \u0111\u1ed5i, b\u1ea3n th\u1ea3o, ho\u1eb7c c\u00e1c m\u1ee5c \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00f3a nh\u01b0ng ch\u01b0a \u0111\u01b0\u1ee3c d\u1ecdn d\u1eb9p. Vi\u1ec7c d\u1ecdn d\u1eb9p \u0111\u1ecbnh k\u1ef3 l\u00e0 \u0111i\u1ec1u c\u1ef1c k\u1ef3 quan tr\u1ecdng. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 ph\u00f9 h\u1ee3p \u0111\u1ec3 thWP-Optimize<\/code>\u6216WP-Sweep<\/code>Nh\u1eefng ti\u1ec7n \u00edch b\u1ed5 sung (plugin) n\u00e0y s\u1ebd gi\u00fap d\u1ecdn d\u1eb9p c\u01a1 s\u1edf d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch an to\u00e0n. Vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a c\u1ea5u tr\u00fac c\u00e1c b\u1ea3ng trong c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u0169ng c\u00f3 th\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t truy v\u1ea5n. Ngo\u00e0i ra, vi\u1ec7c thay \u0111\u1ed5i engine l\u01b0u tr\u1eef cho c\u00e1c b\u1ea3ng d\u1eef li\u1ec7u nh\u01b0 b\u00ecnh lu\u1eadn, b\u00e0i vi\u1ebft t\u1eeb MyISAM sang InnoDB s\u1ebd gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t \u0111\u1ecdc v\u00e0 ghi d\u1eef li\u1ec7u \u0111\u1ed3ng th\u1eddi; thao t\u00e1c n\u00e0y th\u01b0\u1eddng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua phpMyAdmin.<\/p>\n
\u0110\u1ecdc th\u00eam H\u01b0\u1edbng d\u1eabn t\u1ed1i \u01b0u h\u00f3a WordPress to\u00e0n di\u1ec7n: T\u1eeb c\u01a1 b\u1ea3n \u0111\u1ebfn n\u00e2ng cao, n\u00e2ng cao to\u00e0n di\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 x\u1ebfp h\u1ea1ng SEO c\u1ee7a trang web<\/a>\u3002<\/p>\n\n\n\n\n
T\u00f3m l\u1ea1i<\/h2>\n\n\n\n
T\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t trang web WordPress l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh mang t\u00ednh h\u1ec7 th\u1ed1ng, \u0111\u00f2i h\u1ecfi s\u1ef1 ph\u1ed1i h\u1ee3p t\u1eeb nhi\u1ec1u kh\u00eda c\u1ea1nh nh\u01b0 gi\u00e1m s\u00e1t v\u00e0 \u0111o l\u01b0\u1eddng, c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u00e1y ch\u1ee7, ch\u1ea5t l\u01b0\u1ee3ng m\u00e3 ngu\u1ed3n, qu\u1ea3n l\u00fd t\u00e0i nguy\u00ean, v.v. M\u1ee5c ti\u00eau ch\u00ednh kh\u00f4ng ph\u1ea3i l\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ed9t \u201c\u0111i\u1ec3m s\u1ed1 v\u1ec1 t\u1ed1c \u0111\u1ed9\u201d n\u00e0o \u0111\u00f3, m\u00e0 l\u00e0 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng th\u1ef1c t\u1ebf, \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n qua c\u00e1c ch\u1ec9 s\u1ed1 quan tr\u1ecdng c\u1ee7a trang web. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef v\u00e0 \u0111\u1ec7m hi\u1ec7u su\u1ea5t cao, tinh gi\u1ea3n m\u00e3 ngu\u1ed3n v\u00e0 giao di\u1ec7n (theme), t\u1ed1i \u01b0u h\u00f3a t\u1ed1i \u0111a c\u00e1c t\u1ec7p media, v\u00e0 duy tr\u00ec s\u1ee9c kh\u1ecfe c\u1ee7a c\u01a1 s\u1edf d\u1eef li\u1ec7u, b\u1ea5t k\u1ef3 trang web WordPress n\u00e0o c\u0169ng c\u00f3 th\u1ec3 n\u00e2ng cao \u0111\u00e1ng k\u1ec3 t\u1ed1c \u0111\u1ed9 t\u1ea3i trang v\u00e0 kh\u1ea3 n\u0103ng ph\u1ea3n h\u1ed3i c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. H\u00e3y nh\u1edb r\u1eb1ng, vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh li\u00ean t\u1ee5c; sau m\u1ed7i l\u1ea7n c\u1eadp nh\u1eadt theme, plugin ho\u1eb7c th\u00eam n\u1ed9i dung, b\u1ea1n n\u00ean \u0111\u00e1nh gi\u00e1 l\u1ea1i hi\u1ec7u su\u1ea5t c\u1ee7a trang web m\u1ed9t l\u1ea7n n\u1eefa.<\/p>\n\n\n\n
FAQ \u5e38\u89c1\u95ee\u9898<\/h2>\n\n\n\n
Li\u1ec7u vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c plugin l\u01b0u tr\u1eef d\u1eef li\u1ec7u mi\u1ec5n ph\u00ed (cache plugins) c\u00f3 th\u1ec3 mang l\u1ea1i hi\u1ec7u qu\u1ea3 t\u1ed1i \u01b0u h\u00f3a t\u1ed1t cho ### kh\u00f4ng?
\nC\u00f3 th\u1ec3, nh\u01b0ng th\u01b0\u1eddng c\u00f3 nh\u1eefng h\u1ea1n ch\u1ebf nh\u1ea5t \u0111\u1ecbnh. M\u1ed9t s\u1ed1 plugin mi\u1ec5n ph\u00ed r\u1ea5t t\u1ed1t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, ch\u1eb3ng h\u1ea1n nh\u01b0\u2026LiteSpeed Cache<\/code>(D\u00e0nh cho m\u00e1y ch\u1ee7 LiteSpeed) Ho\u1eb7cWP Super Cache<\/code>C\u00f3 th\u1ec3 x\u1eed l\u00fd t\u1ed1t v\u1ea5n \u0111\u1ec1 \u0111\u1ec7m trang (page caching) v\u00e0 c\u00e1c thao t\u00e1c t\u1ed1i \u01b0u h\u00f3a c\u01a1 b\u1ea3n, gi\u00fap c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 truy c\u1eadp trang web \u0111\u00e1ng k\u1ec3.<\/p>\n\n\r\n
\r\n     \r\n  
\r\n    \r\n      M\u00e1y ch\u1ee7 chia s\u1ebb c\u1ee7a InterServer    <\/strong>\r\n    
L\u01b0u tr\u1eef chia s\u1ebb v\u1edbi m\u1ee9c ph\u00ed $2,50 USD m\u1ed7i th\u00e1ng, gi\u1ea3m gi\u00e1 $0,1 USD trong th\u00e1ng \u0111\u1ea7u ti\u00ean, m\u00e3 gi\u1ea3m gi\u00e1 tryinterserver, v\u1edbi 461 \u1ee9ng d\u1ee5ng \u0111\u00e1m m\u00e2y v\u00e0 c\u00e0i \u0111\u1eb7t ch\u1ec9 b\u1eb1ng m\u1ed9t c\u00fa nh\u1ea5p chu\u1ed9t.<\/div>\r\n  <\/div>\r\n\r\n  
\r\n          \r\n                  \"Logo\r\n          \r\n              <\/a>\r\n    \r\n    \r\n       Truy c\u1eadp trang    <\/a>\r\n  <\/div>\r\n<\/div>\n\n\n\n\n\n\n
Tuy nhi\u00ean, v\u1ec1 c\u00e1c t\u00ednh n\u0103ng n\u00e2ng cao nh\u01b0 t\u1ea1o m\u00e3 CSS quan tr\u1ecdng, ki\u1ec3m so\u00e1t vi\u1ec7c t\u1ea3i t\u00e0i nguy\u00ean m\u1ed9t c\u00e1ch chi ti\u1ebft h\u01a1n, t\u1ed1i \u01b0u h\u00f3a c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 t\u00edch h\u1ee3p s\u00e2u r\u1ed9ng v\u1edbi CDN, c\u00e1c plugin tr\u1ea3 ph\u00ed nh\u01b0\u2026WP Rocket<\/code>M\u1ed9t gi\u1ea3i ph\u00e1p to\u00e0n di\u1ec7n h\u01a1n, d\u1ec5 s\u1eed d\u1ee5ng h\u01a1n v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a h\u01a1n \u0111\u00e3 \u0111\u01b0\u1ee3c cung c\u1ea5p. \u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi mu\u1ed1n \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u v\u00e0 ti\u1ebft ki\u1ec7m th\u1eddi gian c\u1ea5u h\u00ecnh, vi\u1ec7c \u0111\u1ea7u t\u01b0 v\u00e0o m\u1ed9t ti\u1ec7n \u00edch m\u1edf r\u1ed9ng (plugin) c\u00f3 ph\u00ed l\u00e0 ho\u00e0n to\u00e0n x\u1ee9ng \u0111\u00e1ng.<\/p>\n\n\n\n
L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c t\u1ed1c \u0111\u1ed9 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng th\u1ef1c s\u1ef1 c\u1ee7a m\u1ed9t trang web?<\/h3>\n\n\n\n
B\u1ea1n n\u00ean k\u1ebft h\u1ee3p d\u1eef li\u1ec7u t\u1eeb ph\u00f2ng th\u00ed nghi\u1ec7m v\u1edbi d\u1eef li\u1ec7u t\u1eeb c\u00f4ng c\u1ee5 theo d\u00f5i h\u00e0nh vi ng\u01b0\u1eddi d\u00f9ng th\u1ef1c t\u1ebf (Real User Monitoring \u2013 RUM). S\u1eed d\u1ee5ng PageSpeed Insights \u0111\u1ec3 ti\u1ebfn h\u00e0nh ch\u1ea9n \u0111o\u00e1n ban \u0111\u1ea7u v\u00e0 nh\u1eadn \u0111\u01b0\u1ee3c c\u00e1c g\u1ee3i \u00fd v\u1ec1 c\u00e1ch t\u1ed1i \u01b0u h\u00f3a trang web. \u0110\u1ed3ng th\u1eddi, \u0111\u1eebng qu\u00ean xem b\u00e1o c\u00e1o \u201cCore Web Vitals\u201d trong Google Search Console \u2013 b\u00e1o c\u00e1o n\u00e0y hi\u1ec3n th\u1ecb th\u00f4ng tin v\u1ec1 hi\u1ec7u su\u1ea5t trang web c\u1ee7a b\u1ea1n tr\u00ean c\u00e1c thi\u1ebft b\u1ecb th\u1ef1c t\u1ebf c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p>\n\n\n\n
Ngo\u00e0i ra, vi\u1ec7c c\u00e0i \u0111\u1eb7t nh\u1eefng \u1ee9ng d\u1ee5ng nh\u01b0\u2026Perfmatters<\/code>Ho\u1eb7c s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 RUM (Real User Monitoring) nh\u01b0 Cloudflare Radar \u0111\u1ec3 li\u00ean t\u1ee5c thu th\u1eadp d\u1eef li\u1ec7u v\u1ec1 hi\u1ec7u n\u0103ng th\u1ef1c t\u1ebf khi ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp trang web t\u1eeb c\u00e1c khu v\u1ef1c v\u00e0 thi\u1ebft b\u1ecb kh\u00e1c nhau; \u0111i\u1ec1u n\u00e0y c\u00f3 gi\u00e1 tr\u1ecb tham kh\u1ea3o cao h\u01a1n so v\u1edbi c\u00e1c b\u00e0i ki\u1ec3m th\u1eed trong ph\u00f2ng th\u00ed nghi\u1ec7m \u0111\u01a1n l\u1ebb.<\/p>\n\n\n\n
Sau khi th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc t\u1ed1i \u01b0u h\u00f3a, n\u1ebfu ph\u00e1t hi\u1ec7n r\u1eb1ng giao di\u1ec7n ho\u1eb7c ch\u1ee9c n\u0103ng c\u1ee7a trang web b\u1ecb l\u1ed7i, b\u1ea1n n\u00ean l\u00e0m theo nh\u1eefng h\u01b0\u1edbng d\u1eabn sau:<\/h3>\n\n\n\n
\u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng x\u1ea3y ra do vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a t\u00e0i nguy\u00ean (ch\u1eb3ng h\u1ea1n nh\u01b0 vi\u1ec7c k\u1ebft h\u1ee3p v\u00e0 gi\u1ea3m k\u00edch th\u01b0\u1edbc c\u00e1c t\u1ec7p CSS\/JS) di\u1ec5n ra qu\u00e1 m\u1ee9c ho\u1eb7c do xung \u0111\u1ed9t gi\u1eefa c\u00e1c quy t\u1eafc \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng. Tr\u01b0\u1edbc ti\u00ean, b\u1ea1n n\u00ean t\u1eaft t\u1eebng t\u00ednh n\u0103ng t\u1ed1i \u01b0u h\u00f3a n\u00e2ng cao trong c\u00e1c plugin l\u01b0u tr\u1eef (cache plugins), ch\u1eb3ng h\u1ea1n nh\u01b0 \u201cK\u1ebft h\u1ee3p CSS\u201d (CSS merging) ho\u1eb7c \u201cT\u1ea3i ch\u1eadm JS\u201d (JS delayed loading), sau \u0111\u00f3 b\u1eadt ch\u00fang l\u1ea1i t\u1eebng c\u00e1i m\u1ed9t \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n g\u00e2y ra v\u1ea5n \u0111<\/p>\n\n\n\n
Th\u1ee9 hai, h\u00e3y ki\u1ec3m tra xem c\u00f3 b\u1ea5t k\u1ef3 plugin hay \u0111o\u1ea1n m\u00e3 n\u00e0o ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c script \u0111\u01b0\u1ee3c t\u1ea3i ch\u1eadm ho\u1eb7c theo c\u00e1ch \u0111\u1ed3ng b\u1ed9 kh\u00f4ng. S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 ph\u00e1t tri\u1ec3n c\u1ee7a tr\u00ecnh duy\u1ec7t (tab Console v\u00e0 Network) \u0111\u1ec3 xem c\u00f3 l\u1ed7i n\u00e0o trong qu\u00e1 tr\u00ecnh t\u1ea3i c\u00e1c t\u00e0i nguy\u00ean kh\u00f4ng. Trong qu\u00e1 tr\u00ecnh g\u1ee1 l\u1ed7i, b\u1ea1n c\u00f3 th\u1ec3 b\u1eadt c\u00e1c t\u00f9y ch\u1ecdn \u201cKh\u00f4ng l\u01b0u tr\u1eef d\u1eef li\u1ec7u cho ng\u01b0\u1eddi d\u00f9ng \u0111\u0103ng nh\u1eadp\u201d v\u00e0 \u201cCh\u1ebf \u0111\u1ed9 g\u1ee1 l\u1ed7i\u201d c\u1ee7a plugin \u0111\u1ec3 d\u1ec5 d\u00e0ng x\u00e1c \u0111\u1ecbnh v\u1ea5n \u0111\u1ec1.<\/p>\n\n\n\n
Ngo\u00e0i c\u00e1c plugin, c\u00f2n nh\u1eefng t\u1ed1i \u01b0u h\u00f3a n\u00e0o kh\u00e1c c\u1ea7n th\u1ef1c hi\u1ec7n \u1edf ph\u00eda m\u00e1y ch\u1ee7?<\/h3>\n\n\n\n
T\u1ed1i \u01b0u h\u00f3a ph\u00eda m\u00e1y ch\u1ee7 l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t. Tr\u01b0\u1edbc h\u1ebft, h\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c c\u00f4ng c\u1ee5 n\u00e9n d\u1eef li\u1ec7u nh\u01b0 Gzip ho\u1eb7c Brotli \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t; \u0111i\u1ec1u n\u00e0y s\u1ebd gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 k\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1c t\u1ec7p v\u0103n b\u1ea3n \u0111\u01b0\u1ee3c truy\u1ec1n \u0111i. Th\u1ee9 hai, c\u1ea5u h\u00ecnh \u0111\u00fang c\u00e1c ti\u00eau \u0111\u1ec1 l\u01b0u tr\u1eef HTTP (HTTP headers), ch\u1eb3ng h\u1ea1n nh\u01b0 thi\u1ebft l\u1eadp gi\u00e1 tr\u1ecb \u201cExpires\u201d ho\u1eb7c \u201cCache-Control\u201d cho c\u00e1c t\u00e0i nguy\u00ean t\u0129nh, \u0111\u1ec3 t\u1eadn d\u1ee5ng kh\u1ea3 n\u0103ng l\u01b0u tr\u1eef \u0111\u1ec7m c\u1ee7a tr\u00ecnh duy\u1ec7t.<\/p>\n\n\n\n
Cu\u1ed1i c\u00f9ng, h\u00e3y xem x\u00e9t vi\u1ec7c k\u00edch ho\u1ea1t giao th\u1ee9c HTTP\/2 ho\u1eb7c HTTP\/3; ch\u00fang c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t \u0111\u1ed3ng th\u1eddi trong vi\u1ec7c t\u1ea3i c\u00e1c t\u00e0i nguy\u00ean. Nh\u1eefng thi\u1ebft l\u1eadp n\u00e0y th\u01b0\u1eddng c\u1ea7n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong t\u1eadp tin c\u1ea5u h\u00ecnh c\u1ee7a m\u00e1y ch\u1ee7 (ch\u1eb3ng h\u1ea1n nh\u01b0 .htaccess ho\u1eb7c nginx.conf). N\u1ebfu b\u1ea1n kh\u00f4ng quen v\u1edbi vi\u1ec7c qu\u1ea3n l\u00fd m\u00e1y ch\u1ee7, ch\u00fang t\u00f4i khuy\u00ean b\u1ea1n n\u00ean h\u1ecfi nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef web c\u1ee7a m\u00ecnh.<\/p>","protected":false},"excerpt":{"rendered":"
B\u00e0i vi\u1ebft n\u00e0y tr\u00ecnh b\u00e0y m\u1ed9t c\u00e1ch h\u1ec7 th\u1ed1ng to\u00e0n di\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t cho trang web WordPress. \u0110\u1ea7u ti\u00ean, b\u00e0i vi\u1ebft gi\u1ea3i th\u00edch v\u1ec1 h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t hi\u1ec7u su\u1ea5t d\u1ef1a tr\u00ean c\u00e1c ch\u1ec9 s\u1ed1 trang web c\u1ed1t l\u00f5i (LCP, CLS, INP). Ti\u1ebfp theo, b\u00e0i vi\u1ebft \u0111i s\u00e2u v\u00e0o c\u00e1c bi\u1ec7n ph\u00e1p t\u1ed1i \u01b0u h\u00f3a c\u01a1 b\u1ea3n nh\u01b0 m\u00f4i tr\u01b0\u1eddng m\u00e1y ch\u1ee7, b\u1ed9 \u0111\u1ec7m (cache), v\u00e0 d\u1ecbch v\u1ee5 CDN (Content Delivery Network). Cu\u1ed1i c\u00f9ng, b\u00e0i vi\u1ebft \u0111\u01b0a ra c\u00e1c chi\u1ebfn l\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 nh\u01b0 l\u1ef1a ch\u1ecdn giao di\u1ec7n (theme) ph\u00f9 h\u1ee3p v\u00e0 tinh gi\u1ea3n m\u00e3 ngu\u1ed3n (code), nh\u1eb1m n\u00e2ng cao \u0111\u00e1ng k\u1ec3 t\u1ed1c \u0111\u1ed9 trang web v\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng.<\/p>","protected":false},"author":7,"featured_media":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[400,2136,2066,2131,421],"knowledge_category":[280],"class_list":["post-12390362","knowledge_post","type-knowledge_post","status-publish","hentry","tag-wordpress-optimization","tag-theme-optimization","tag-server-cache","tag-2131","tag-website-performance","knowledge_category-wordpress"],"acf":{"site_seo_keywords":"WordPress\u4f18\u5316,\u7f51\u7ad9\u52a0\u8f7d\u901f\u5ea6,\u6838\u5fc3\u7f51\u9875\u6307\u6807,LCP,CLS,\u670d\u52a1\u5668\u7f13\u5b58,CDN\u52a0\u901f,WordPress\u6027\u80fd\u76d1\u63a7"},"_links":{"self":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12390362","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts"}],"about":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/types\/knowledge_post"}],"author":[{"embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/users\/7"}],"version-history":[{"count":4,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12390362\/revisions"}],"predecessor-version":[{"id":12406711,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12390362\/revisions\/12406711"}],"wp:attachment":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/media?parent=12390362"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/tags?post=12390362"},{"taxonomy":"knowledge_category","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_category?post=12390362"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}