{"id":12378106,"date":"2026-03-19T17:32:10","date_gmt":"2026-03-19T09:32:10","guid":{"rendered":"https:\/\/www.likacloud.com\/knowledge\/wordpress%e4%bc%98%e5%8c%96%e7%bb%88%e6%9e%81%e6%8c%87%e5%8d%97%ef%bc%9a%e6%8f%90%e5%8d%87%e7%bd%91%e7%ab%99%e9%80%9f%e5%ba%a6%e4%b8%8e%e6%80%a7%e8%83%bd%e7%9a%8425%e4%b8%aa%e6%a0%b8%e5%bf%83%e6%8a%80\/"},"modified":"2026-06-05T04:06:30","modified_gmt":"2026-06-04T20:06:30","slug":"wordpress-optimization-guide-25-tips-speed-performance","status":"publish","type":"knowledge_post","link":"https:\/\/www.likacloud.com\/vi\/knowledge\/wordpress\/wordpress-optimization-guide-25-tips-speed-performance\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn t\u1ed1i \u01b0u WordPress to\u00e0n di\u1ec7n: 25 k\u1ef9 thu\u1eadt c\u1ed1t l\u00f5i \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 v\u00e0 hi\u1ec7u su\u1ea5t website"},"content":{"rendered":"

N\u1ec1n t\u1ea3ng hi\u1ec7u su\u1ea5t trang web v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ed1i \u01b0u h\u00f3a c\u1ed1t l\u00f5i<\/h2>\n\n\n\n

T\u1ed1i \u01b0u h\u00f3a hi\u1ec7u n\u0103ng cho trang web WordPress l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh ph\u1ee9c t\u1ea1p, y\u00eau c\u1ea7u s\u1ef1 k\u1ebft h\u1ee3p nhi\u1ec1u y\u1ebfu t\u1ed1 kh\u00e1c nhau. M\u1ee5c ti\u00eau ch\u00ednh l\u00e0 gi\u1ea3m th\u1eddi gian ph\u1ea3n h\u1ed3i c\u1ee7a m\u00e1y ch\u1ee7, n\u00e9n l\u01b0\u1ee3ng d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n \u0111i v\u00e0 c\u1ea3i thi\u1ec7n qu\u00e1 tr\u00ecnh hi\u1ec3n th\u1ecb trang web tr\u00ean tr\u00ecnh duy\u1ec7t. Ch\u1ea5t l\u01b0\u1ee3ng hi\u1ec7u n\u0103ng \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng, th\u1ee9 h\u1ea1ng tr\u00ean c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm (SEO) v\u00e0 t\u1ef7 l\u1ec7 chuy\u1ec3n \u0111\u1ed5i (conversion rate). M\u1ed9t trang web t\u1ea3i ch\u1eadm s\u1ebd l\u00e0m t\u0103ng t\u1ef7 l\u1ec7 ng\u01b0\u1eddi d\u00f9ng r\u1eddi trang v\u00e0 g\u00e2y \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c \u0111\u1ebfn hi\u1ec7u qu\u1ea3 SEO.<\/p>\n\n\n\n

Hi\u1ec3u c\u00e1c ch\u1ec9 s\u1ed1 hi\u1ec7u su\u1ea5t quan tr\u1ecdng<\/h3>\n\n\n\n

Tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh t\u1ed1i \u01b0u h\u00f3a, c\u1ea7n x\u00e1c \u0111\u1ecbnh r\u00f5 m\u1ed9t s\u1ed1 ch\u1ec9 s\u1ed1 hi\u1ec7u n\u0103ng c\u1ed1t l\u00f5i. Th\u1eddi gian ph\u1ea3n h\u1ed3i \u0111\u1ea7u ti\u00ean (TTFB \u2013 Time To First Byte) \u0111o l\u01b0\u1eddng kho\u1ea3ng th\u1eddi gian t\u1eeb khi tr\u00ecnh duy\u1ec7t g\u1eedi y\u00eau c\u1ea7u cho \u0111\u1ebfn khi nh\u1eadn \u0111\u01b0\u1ee3c byte ph\u1ea3n h\u1ed3i \u0111\u1ea7u ti\u00ean t\u1eeb m\u00e1y ch\u1ee7; ch\u1ec9 s\u1ed1 n\u00e0y ph\u1ea3n \u00e1nh t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd c\u1ee7a m\u00e1y ch\u1ee7 v\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u. Th\u1eddi gian hi\u1ec3n th\u1ecb n\u1ed9i dung l\u1edbn nh\u1ea5t (LCP \u2013 Largest Content Paint) \u0111o l\u01b0\u1eddng th\u1eddi gian c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u00e1c y\u1ebfu t\u1ed1 n\u1ed9i dung l\u1edbn nh\u1ea5t tr\u00ean trang (ch\u1eb3ng h\u1ea1n nh\u01b0 h\u00ecnh \u1ea3nh ho\u1eb7c kh\u1ed1i ti\u00eau \u0111\u1ec1) \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh; m\u1ed9t gi\u00e1 tr\u1ecb LCP t\u1ed1t n\u00ean d\u01b0\u1edbi 2,5 gi\u00e2y. \u0110\u1ed9 l\u1ec7ch b\u1ed1 c\u1ee5c t\u00edch l\u0169y (CLS \u2013 Cumulative Layout Shift) \u0111o l\u01b0\u1eddng m\u1ee9c \u0111\u1ed9 di chuy\u1ec3n b\u1ea5t ng\u1edd c\u1ee7a c\u00e1c y\u1ebfu t\u1ed1 tr\u00ean trang trong qu\u00e1 tr\u00ecnh t\u1ea3i; ch\u1ec9 s\u1ed1 n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c gi\u1eef \u1edf m\u1ee9c d\u01b0\u1edbi 0,1 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh v\u1ec1 m\u1eb7t tr\u1ef1c quan.<\/p>\n\n\n\n

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

B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean trong qu\u00e1 tr\u00ecnh t\u1ed1i \u01b0u h\u00f3a b\u1eaft \u0111\u1ea7u t\u1eeb nh\u1eefng n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc: m\u00e1y ch\u1ee7 v\u00e0 m\u00f4i tr\u01b0\u1eddng l\u01b0u tr\u1eef. M\u1ed9t m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh kh\u00f4ng \u0111\u00fang c\u00e1ch c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh r\u00e0o c\u1ea3n \u0111\u1ed1i v\u1edbi m\u1ecdi n\u1ed7 l\u1ef1c t\u1ed1i \u01b0u h\u00f3a sau n\u00e0y.<\/p>\n

\u0110\u1ecdc th\u00eam Hi\u1ec7u su\u1ea5t trang web l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng v\u00e0 x\u1ebfp h\u1ea1ng c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm. M\u1ed9t trang Wo<\/a>\u3002<\/p>\n\n\n\n\n

L\u1ef1a ch\u1ecdn gi\u1ea3i ph\u00e1p l\u01b0u tr\u1eef hi\u1ec7u su\u1ea5t cao<\/h3>\n\n\n\n

H\u00e3y tr\u00e1nh s\u1eed d\u1ee5ng c\u00e1c m\u00e1y ch\u1ee7 \u1ea3o gi\u00e1 r\u1ebb c\u00f3 m\u1ee9c \u0111\u1ed9 chia s\u1ebb t\u00e0i nguy\u00ean cao. \u01afu ti\u00ean l\u1ef1a ch\u1ecdn nh\u1eefng d\u1ecbch v\u1ee5 cung c\u1ea5p c\u00e1c m\u00e1y ch\u1ee7 s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 LiteSpeed ho\u1eb7c Nginx, c\u00f3 h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef \u0111\u1ed1i t\u01b0\u1ee3ng t\u00edch h\u1ee3p s\u1eb5n (nh\u01b0 Redis ho\u1eb7c Memcached), v\u00e0 n\u1eb1m g\u1ea7n khu v\u1ef1c \u0111\u1ecba l\u00fd c\u1ee7a ng\u01b0\u1eddi d\u00f9ng m\u1ee5c ti\u00eau. C\u00e1c m\u00e1y ch\u1ee7 WordPress \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd tr\u1ef1c ti\u1ebfp th\u01b0\u1eddng \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh s\u1eb5n \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t, gi\u00fap b\u1ea1n ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 c\u00f4ng s\u1ee9c trong vi\u1ec7c v\u1eadn h\u00e0nh trang web. \u0110\u1ed1i v\u1edbi nh\u1eefng trang web c\u00f3 l\u01b0\u1ee3ng truy c\u1eadp l\u1edbn, m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y (cloud server) ho\u1eb7c m\u00e1y ch\u1ee7 \u1ea3o ri\u00eang (VPS \u2013 Virtual Private Server) mang l\u1ea1i t\u00ednh linh ho\u1ea1t cao h\u01a1n trong vi\u1ec7c c\u1ea5u h\u00ecnh v\u00e0 \u0111\u1ed9 \u0111\u1ed9c l\u1eadp t\u00e0i nguy\u00ean t\u1ed1t h\u01a1n.<\/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

C\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7 Web hi\u1ec7u qu\u1ea3<\/h3>\n\n\n\n

N\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng Nginx, vi\u1ec7c k\u00edch ho\u1ea1t ch\u1ee9c n\u0103ng n\u00e9n d\u1eef li\u1ec7u b\u1eb1ng Gzip ho\u1eb7c Brotli c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 k\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1c t\u1ec7p \u0111\u01b0\u1ee3c truy\u1ec1n \u0111i. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t \u0111o\u1ea1n v\u00ed d\u1ee5 v\u1ec1 c\u00e1ch k\u00edch ho\u1ea1t Gzip trong c\u1ea5u h\u00ecnh Nginx:<\/p>\n\n\n\n

gzip on;\ngzip_vary on;\ngzip_min_length 1024;\ngzip_types text\/plain text\/css text\/xml text\/javascript application\/javascript application\/xml+rss application\/json;<\/code><\/pre>\n\n\n\n
\u0110\u1ed1i v\u1edbi m\u00e1y ch\u1ee7 Apache, b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111i\u1ec1u ch\u1ec9nh b\u1eb1ng c\u00e1ch s\u1eeda \u0111\u1ed5i c\u00e1c t\u1ec7p c\u1ea5u h\u00ecnh..htaccess<\/code>C\u00e1c t\u1ec7p tin \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ch\u1ee9c n\u0103ng t\u01b0\u01a1ng t\u1ef1. \u0110\u1ed3ng th\u1eddi, h\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c t\u00e0i nguy\u00ean t\u0129nh (nh\u01b0 h\u00ecnh \u1ea3nh, CSS, JavaScript) \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh v\u1edbi c\u00e1c th\u00f4ng tin v\u1ec1 th\u1eddi h\u1ea1n h\u1ebft h\u1ea1n c\u1ee7a b\u1ed9 \u0111\u1ec7m (cache expiration headers). Nh\u1eefng th\u00f4ng tin n\u00e0y s\u1ebd ch\u1ec9 \u0111\u1ecbnh cho tr\u00ecnh duy\u1ec7t r\u1eb1ng n\u00ean t\u1ea3i c\u00e1c t\u00e0i nguy\u00ean t\u1eeb b\u1ed9 \u0111\u1ec7m c\u1ee5c b\u1ed9 trong m\u1ed9t kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh, thay v\u00ec y\u00eau c\u1ea7u ch\u00fang t\u1eeb m\u00e1y ch\u1ee7 nhi\u1ec1u l\u1ea7n.<\/p>\n\n\n\n
Tri\u1ec3n khai b\u1ed9 nh\u1edb \u0111\u1ec7m \u0111\u1ed1i t\u01b0\u1ee3ng<\/h3>\n\n\n\n
Caching \u0111\u1ed1i t\u01b0\u1ee3ng l\u01b0u tr\u1eef k\u1ebft qu\u1ea3 truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u trong b\u1ed9 nh\u1edb, gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 \u00e1p l\u1ef1c l\u00ean c\u01a1 s\u1edf d\u1eef li\u1ec7u do c\u00e1c truy v\u1ea5n l\u1eb7p \u0111i l\u1eb7p l\u1ea1i. \u0110\u1ed1i v\u1edbi WordPress, b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111i\u1ec1u n\u00e0y b\u1eb1ng c\u00e1ch c\u00e0i \u0111\u1eb7t c\u00e1c c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 caching.Redis<\/code>\u6216Memcached<\/code>M\u1edf r\u1ed9ng v\u00e0 k\u1ebft h\u1ee3p v\u1edbi c\u00e1c c\u00f4ng c\u1ee5\/h\u1ec7 th\u1ed1ng nh\u01b0\u2026Redis Object Cache<\/code>Nh\u1eefng plugin n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n ch\u1ee9c n\u0103ng n\u00e0y. Nhi\u1ec1u nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef cao c\u1ea5p \u0111\u00e3 b\u1ed5 sung t\u00f9y ch\u1ecdn k\u00edch ho\u1ea1t t\u00ednh n\u0103ng n\u00e0y ch\u1ec9 v\u1edbi m\u1ed9t c\u00fa nh\u1ea5p chu\u1ed9t trong b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n (control panel).<\/p>\n\n\n\n
T\u1ed1i \u01b0u h\u00f3a ch\u1ee7 \u0111\u1ec1, plugin v\u00e0 c\u1ea5p \u0111\u1ed9 m\u00e3<\/h2>\n\n\n\n
\u0110o\u1ea1n m\u00e3 k\u00e9m hi\u1ec7u qu\u1ea3 l\u00e0 \u201ck\u1ebb gi\u1ebft th\u1ea7m\u201d l\u00e0m ch\u1eadm t\u1ed1c \u0111\u1ed9 trang web. T\u1eeb giao di\u1ec7n ch\u1ee7 (theme), c\u00e1c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng (plugin) cho \u0111\u1ebfn \u0111o\u1ea1n m\u00e3 t\u00f9y ch\u1ec9nh (custom code), m\u1ecdi th\u00e0nh ph\u1ea7n \u0111\u1ec1u c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t k\u1ef9 l\u01b0\u1ee1ng.<\/p>\n
\u0110\u1ecdc th\u00eam H\u01b0\u1edbng d\u1eabn t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t WordPress to\u00e0n di\u1ec7n: Gi\u1ea3i ph\u00e1p ho\u00e0n ch\u1ec9nh t\u1eeb t\u1ea3i ch\u1eadm \u0111\u1ebfn ph\u1ea3n h\u1ed3i si\u00eau t\u1ed1c<\/a>\u3002<\/p>\n\n\n\n\n
Ki\u1ec3m tra v\u00e0 tinh gi\u1ea3n plugin v\u00e0 ch\u1ee7 \u0111\u1ec1<\/h3>\n\n\n\n
V\u00f4 hi\u1ec7u h\u00f3a v\u00e0 x\u00f3a t\u1ea5t c\u1ea3 c\u00e1c plugin kh\u00f4ng c\u1ea7n thi\u1ebft ho\u1eb7c kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong th\u1eddi gian d\u00e0i. Ngay c\u1ea3 \u0111\u1ed1i v\u1edbi nh\u1eefng plugin v\u1eabn \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng th\u01b0\u1eddng xuy\u00ean, c\u0169ng n\u00ean \u0111\u00e1nh gi\u00e1 xem ch\u00fang \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng. H\u00e3y ch\u1ecdn nh\u1eefng giao di\u1ec7n (theme) c\u00f3 m\u00e3 ngu\u1ed3n g\u1ecdn g\u00e0ng, \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean v\u00e0 nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 t\u00edch c\u1ef1c t\u1eeb ng\u01b0\u1eddi d\u00f9ng. Tr\u00e1nh s\u1eed d\u1ee5ng nh\u1eefng giao di\u1ec7n \u201c\u0111a n\u0103ng\u201d c\u00f3 qu\u00e1 nhi\u1ec1u t\u00ednh n\u0103ng t\u00edch h\u1ee3p s\u1eb5n v\u00e0 nh\u1eefng c\u00f4ng c\u1ee5 x\u00e2y d\u1ef1ng trang web ph\u1ee9c t\u1ea1p; nh\u1eefng giao di\u1ec7n n\u00e0y th\u01b0\u1eddng ch\u1ee9a n<\/p>\n\n\n\n
T\u1ed1i \u01b0u h\u00f3a c\u01a1 s\u1edf d\u1eef li\u1ec7u<\/h3>\n\n\n\n
Th\u01b0\u1eddng xuy\u00ean d\u1ecdn d\u1eb9p d\u1eef li\u1ec7u th\u1eeba trong c\u01a1 s\u1edf d\u1eef li\u1ec7u, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c phi\u00ean b\u1ea3n \u0111\u00e3 s\u1eeda \u0111\u1ed5i, b\u1ea3n th\u1ea3o, b\u00ecnh lu\u1eadn kh\u00f4ng h\u1eefu \u00edch v\u00e0 d\u1eef li\u1ec7u t\u1ea1m th\u1eddi \u0111\u00e3 h\u1ebft h\u1ea1n. C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 ho\u1eb7c quy tr\u00ecnh ph\u00f9 h\u1ee3p \u0111\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c n\u00e0y.WP-Optimize<\/code>\u6216WP Rocket<\/code>C\u00e1c plugin \u0111i k\u00e8m v\u1edbi ch\u1ee9c n\u0103ng n\u00e0y th\u1ef1c hi\u1ec7n vi\u1ec7c d\u1ecdn d\u1eb9p d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch an to\u00e0n. Ngo\u00e0i ra, c\u00e1c b\u1ea3ng c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u0169ng \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a (th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t).OPTIMIZE TABLE<\/code>\u0110i\u1ec1u n\u00e0y c\u0169ng c\u00f3 th\u1ec3 n\u00e2ng cao hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c thao t\u00e1c truy v\u1ea5n (query).<\/p>\n\n\n\n
T\u1ea3i c\u00e1c t\u1eadp tin script v\u00e0 style m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3<\/h3>\n\n\n\n
H\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c ch\u1ee7 \u0111\u1ec1 (themes) v\u00e0 ti\u1ec7n \u00edch m\u1edf r\u1ed9ng (plugins) ch\u1ec9 t\u1ea3i c\u00e1c t\u1eadp tin script v\u00e0 b\u1ea3ng \u0111\u1ecbnh d\u1ea1ng (style sheets) v\u00e0o nh\u1eefng trang c\u1ea7n thi\u1ebft. H\u00e3y tr\u00ec ho\u00e3n vi\u1ec7c t\u1ea3i c\u00e1c t\u1eadp tin script cho \u0111\u1ebfn sau khi n\u1ed9i dung trang \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb, ho\u1eb7c s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 \u0111\u1ec3 ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh t\u1ea3i n\u00e0y m\u1ed9tasync<\/code>(Asynchronous) anddefer<\/code>Thu\u1ed9c t\u00ednh (delay). Trong ch\u1ee7 \u0111\u1ec1 (theme)...functions.php<\/code>Trong t\u1ec7p tin, b\u1ea1n c\u00f3 th\u1ec3 vi\u1ebft m\u00e3 \u0111\u1ec3 v\u00f4 hi\u1ec7u h\u00f3a c\u00e1c b\u1ea3ng \u0111\u1ecbnh d\u1ea1ng to\u00e0n c\u1ee5c (global stylesheets) \u0111\u01b0\u1ee3c t\u1ea3i b\u1edfi tr\u00ecnh so\u1ea1n th\u1ea3o Gutenberg (n\u1ebfu tr\u00ecnh so\u1ea1n th\u1ea3o kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf ph\u00eda tr\u01b0\u1edbc \u2013 front end). V\u00ed d\u1ee5 nh\u01b0 sau:<\/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 remove_block_css() {\n    wp_dequeue_style( 'wp-block-library' );\n}\nadd_action( 'wp_enqueue_scripts', 'remove_block_css', 100 );<\/code><\/pre>\n\n\n\n
T\u1ed1i \u01b0u h\u00f3a t\u00e0i nguy\u00ean ph\u00eda tr\u01b0\u1edbc v\u00e0 qu\u00e1 tr\u00ecnh hi\u1ec3n th\u1ecb (Front-end resources and rendering optimization)<\/h2>\n\n\n\n
Khi ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp trang web c\u1ee7a b\u1ea1n, ph\u1ea7n l\u1edbn th\u1eddi gian t\u1ea3i trang \u0111\u01b0\u1ee3c d\u00e0nh cho vi\u1ec7c t\u1ea3i xu\u1ed1ng v\u00e0 hi\u1ec3n th\u1ecb c\u00e1c t\u00e0i nguy\u00ean ph\u00eda tr\u01b0\u1edbc (front-end resources) nh\u01b0 h\u00ecnh \u1ea3nh, CSS, JavaScript, v.v.<\/p>\n\n\n\n
Chi\u1ebfn l\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh<\/h3>\n\n\n\n
H\u00ecnh \u1ea3nh th\u01b0\u1eddng l\u00e0 y\u1ebfu t\u1ed1 g\u00f3p ph\u1ea7n l\u1edbn nh\u1ea5t v\u00e0o k\u00edch th\u01b0\u1edbc c\u1ee7a trang web. H\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n \u0111\u00e3 x\u1eed l\u00fd ch\u00fang tr\u01b0\u1edbc khi t\u1ea3i l\u00ean.TinyPNG<\/code>\u3001ShortPixel<\/code>S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 c\u00e1c ph\u1ea7n m\u1ec1m n\u00e9n h\u00ecnh \u1ea3nh \u0111\u1ec3 gi\u1ea3m k\u00edch th\u01b0\u1edbc c\u1ee7a ch\u00fang. \u0110\u1ec3 t\u1ea1o ra nh\u1eefng h\u00ecnh \u1ea3nh c\u00f3 kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng v\u1edbi nhi\u1ec1u k\u00edch th\u01b0\u1edbc m\u00e0n h\u00ecnh kh\u00e1c nhau, WordPress 5.5 tr\u1edf l\u00ean \u0111\u00e3 h\u1ed7 tr\u1ee3 tr\u1ef1c ti\u1ebfp vi\u1ec7c n\u00e0y th\u00f4ng qua c\u00e1c t\u00ednh n\u0103ng t\u00edch h\u1ee3p s\u1eb5n.srcset<\/code>Th\u1ef1c hi\u1ec7n c\u00e1c t\u00ednh n\u0103ng li\u00ean quan \u0111\u1ebfn c\u00e1c thu\u1ed9c t\u00ednh c\u1ee7a h\u00ecnh \u1ea3nh. H\u00e3y xem x\u00e9t s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ecbnh d\u1ea1ng h\u00ecnh \u1ea3nh th\u1ebf h\u1ec7 ti\u1ebfp theo nh\u01b0 WebP \u2013 \u0111\u1ecbnh d\u1ea1ng n\u00e0y cho ph\u00e9p gi\u1ea3m \u0111\u00e1ng k\u1ec3 k\u00edch th\u01b0\u1edbc t\u1ec7p m\u00e0 v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh. B\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng WebP \u0111\u1ec3 t\u1ed1iImagify<\/code>\u6216EWWW Image Optimizer<\/code>Ti\u1ec7n \u00edch m\u1edf r\u1ed9ng (plugin) t\u1ef1 \u0111\u1ed9ng th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i v\u00e0 t\u1ed1i \u01b0u h\u00f3a.<\/p>\n\n\n\n
Tri\u1ec3n khai lazy loading<\/h3>\n\n\n\n
C\u01a1 ch\u1ebf t\u1ea3i ch\u1eadm (Lazy Load) gi\u00fap h\u00ecnh \u1ea3nh v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n nh\u01b0 iframe ch\u1ec9 \u0111\u01b0\u1ee3c t\u1ea3i v\u00e0o khi ng\u01b0\u1eddi d\u00f9ng cu\u1ed9n trang \u0111\u1ebfn v\u1ecb tr\u00ed g\u1ea7n ch\u00fang. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 t\u1ea3i tr\u1ecdng trang web ban \u0111\u1ea7u. T\u1eeb phi\u00ean b\u1ea3n WordPress 5.5 tr\u1edf \u0111i, h\u1ec7 th\u1ed1ng \u0111\u00e3 h\u1ed7 tr\u1ee3 t\u00ednh n\u0103ng t\u1ea3i ch\u1eadm cho c\u00e1c h\u00ecnh \u1ea3nh m\u1ed9t c\u00e1ch n\u1ed9i b\u1ed9; b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 b\u1ed5 sung \u0111\u1ec3 tri\u1ec3n khai t\u00ednh n\u0103ng n\u00e0y tr\u00ean trang web c\u1ee7a m\u00ecnh.Lazy Load by WP Rocket<\/code>\u0110\u1ec3 c\u00e1c plugin c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t m\u1ed9t c\u00e1ch to\u00e0n di\u1ec7n h\u01a1n.<\/p>\n
\u0110\u1ecdc th\u00eam H\u01b0\u1edbng d\u1eabn t\u1ed1i \u01b0u h\u00f3a WordPress to\u00e0n di\u1ec7n: Chi\u1ebfn l\u01b0\u1ee3c cu\u1ed1i c\u00f9ng \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 v\u00e0 hi\u1ec7u su\u1ea5t website<\/a>\u3002<\/p>\n\n\n\n\n
S\u1eed d\u1ee5ng b\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee7a tr\u00ecnh duy\u1ec7t v\u00e0 d\u1ecbch v\u1ee5 CDN (Content Delivery Network)<\/h3>\n\n\n\n
Th\u00f4ng qua.htaccess<\/code>Ho\u1eb7c b\u1ea1n c\u00f3 th\u1ec3 c\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7 \u0111\u1ec3 \u00e1p d\u1ee5ng ch\u00ednh s\u00e1ch l\u01b0u tr\u1eef \u0111\u1ec7m (cache) m\u1ea1nh m\u1ebd, gi\u00fap c\u00e1c t\u00e0i nguy\u00ean t\u0129nh \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong tr\u00ecnh duy\u1ec7t trong th\u1eddi gian d\u00e0i. M\u1ea1ng ph\u00e2n ph\u1ed1i n\u1ed9i dung (Content Delivery Network \u2013 CDN) l\u00e0 c\u00f4ng ngh\u1ec7 l\u01b0u tr\u1eef c\u00e1c b\u1ea3n sao c\u1ee7a t\u1ec7p tin t\u0129nh tr\u00ean trang web t\u1ea1i nhi\u1ec1u \u0111i\u1ec3m truy c\u1eadp (edge nodes) tr\u00ean to\u00e0n th\u1ebf gi\u1edbi; ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 truy c\u1eadp d\u1eef li\u1ec7u t\u1eeb \u0111i\u1ec3m truy c\u1eadp g\u1ea7n nh\u1ea5t v\u1ec1 m\u1eb7t \u0111\u1ecba l\u00fd, t\u1eeb \u0111\u00f3 gi\u1ea3m thi\u1ec3u \u0111\u1ed9 tr\u1ec5. Cloudflare v\u00e0 StackPath l\u00e0 nh\u1eefng l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn; ch\u00fang th\u01b0\u1eddng cung c\u1ea5p th\u00eam c\u00e1c t\u00ednh n\u0103ng b\u1ea3o m\u1eadt v\u00e0 t\u1ed1i \u01b0u h\u00f3a n\u1eefa.<\/p>\n\n\n\n
Minh h\u00f3a v\u00e0 h\u1ee3p nh\u1ea5t c\u00e1c t\u1ec7p tin.<\/h3>\n\n\n\n
H\u00e3y lo\u1ea1i b\u1ecf c\u00e1c k\u00fd t\u1ef1 tr\u1eafng, ch\u00fa th\u00edch v\u00e0 \u0111o\u1ea1n m\u00e3 th\u1eeba trong c\u00e1c t\u1ec7p CSS, JavaScript v\u00e0 HTML. Vi\u1ec7c k\u1ebft h\u1ee3p nhi\u1ec1u t\u1ec7p nh\u1ecf l\u1ea1i v\u1edbi nhau c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng y\u00eau c\u1ea7u HTTP (requests). Nh\u1eefng thao t\u00e1c n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua c\u00e1c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng (plugins) d\u00e0nh cho vi\u1ec7c l\u01b0u tr\u1eef d\u1eef li\u1ec7u (cache).WP Rocket<\/code>\u3001W3 Total Cache<\/code>Vi\u1ec7c n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ef1 \u0111\u1ed9ng b\u1edfi c\u00e1c c\u00f4ng c\u1ee5 bi\u00ean d\u1ecbch (nh\u01b0 Babel) ho\u1eb7c c\u00e1c c\u00f4ng c\u1ee5 x\u00e2y d\u1ef1ng (nh\u01b0 Webpack). Tuy nhi\u00ean, c\u1ea7n l\u01b0u \u00fd r\u1eb1ng vi\u1ec7c k\u1ebft h\u1ee3p qu\u00e1 nhi\u1ec1u ho\u1eb7c qu\u00e1 nhi\u1ec1u t\u1ec7p tin l\u1edbn c\u00f3 th\u1ec3 g\u00e2y c\u1ea3n tr\u1edf qu\u00e1 tr\u00ecnh t\u1ea3i xu\u1ed1ng \u0111\u1ed3ng th\u1eddi v\u00e0 l\u01b0u tr\u1eef trong tr\u00ecnh duy\u1ec7t;<\/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
C\u00f4ng ngh\u1ec7 cao v\u00e0 gi\u00e1m s\u00e1t li\u00ean t\u1ee5c<\/h2>\n\n\n\n
Sau khi ho\u00e0n th\u00e0nh c\u00e1c b\u01b0\u1edbc t\u1ed1i \u01b0u h\u00f3a c\u01a1 b\u1ea3n, c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng th\u00eam m\u1ed9t s\u1ed1 k\u1ef9 thu\u1eadt n\u00e2ng cao \u0111\u1ec3 n\u00e2ng cao gi\u1edbi h\u1ea1n hi\u1ec7u n\u0103ng h\u1ec7 th\u1ed1ng, \u0111\u1ed3ng th\u1eddi s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng nh\u1eefng t\u00e1c \u0111\u1ed9ng c\u1ee7a vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a \u0111\u01b0\u1ee3c duy tr\u00ec l\u00e2u d\u00e0i.<\/p>\n\n\n\n
H\u00e3y xem x\u00e9t vi\u1ec7c t\u0129nh h\u00f3a c\u00e1c trang web (page statication).<\/h3>\n\n\n\n
\u0110\u1ed1i v\u1edbi c\u00e1c trang n\u1ed9i dung kh\u00f4ng th\u01b0\u1eddng xuy\u00ean thay \u0111\u1ed5i (ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c b\u00e0i vi\u1ebft, trang th\u00f4ng tin c\u1ed1 \u0111\u1ecbnh), ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh c\u00e1c t\u1ec7p HTML t\u0129nh ho\u00e0n to\u00e0n. Vi\u1ec7c n\u00e0y gi\u00fap lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n s\u1ef1 c\u1ea7n thi\u1ebft ph\u1ea3i s\u1eed d\u1ee5ng PHP v\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u, t\u1eeb \u0111\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 t\u1ea3i trang c\u1ef1c k\u1ef3 nhanh. C\u00e1c plugin nh\u01b0\u2026 (C\u00e1c plugin c\u1ee5 thWP Super Cache<\/code>\u548cW3 Total Cache<\/code>C\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c t\u1ec7p tin l\u01b0u tr\u1eef t\u0129nh (static cache files).<\/p>\n\n\n\n
Th\u1ef1c hi\u1ec7n vi\u1ec7c \u0111\u1eb7t c\u00e1c \u0111o\u1ea1n m\u00e3 CSS quan tr\u1ecdng v\u00e0o b\u00ean trong (inline)<\/h3>\n\n\n\n
\u201cC\u00e1c \u0111o\u1ea1n CSS quan tr\u1ecdng c\u1ea7n thi\u1ebft cho vi\u1ec7c hi\u1ec3n th\u1ecb n\u1ed9i dung tr\u00ean trang \u0111\u1ea7u (first screen) c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c nh\u00fang tr\u1ef1c ti\u1ebfp v\u00e0o m\u00e3 HTML.<\/code>Trong c\u00e1c th\u1ebb HTML, vi\u1ec7c n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nh\u1eb1m tr\u00e1nh t\u00ecnh tr\u1ea1ng tr\u00ecnh duy\u1ec7t b\u1ecb ch\u1eb7n trong qu\u00e1 tr\u00ecnh hi\u1ec3n th\u1ecb n\u1ed9i dung do ph\u1ea3i ch\u1edd \u0111\u1ee3i vi\u1ec7c t\u1ea3i xu\u1ed1ng c\u00e1c t\u1ec7p CSS b\u00ean ngo\u00e0i. C\u00e1c t\u1ec7p CSS kh\u00f4ng quan tr\u1ecdng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea3i m\u1ed9t c\u00e1ch \u0111\u1ed3ng b\u1ed9 (synchronously). M\u1ed9t s\u1ed1 ti\u1ec7n \u00edch t\u1ed1i \u01b0u h\u00f3a n\u00e2ng cao ho\u1eb7c c\u00f4ng c\u1ee5 tr\u1ef1c tuy\u1ebfn c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n t\u1ef1 \u0111\u1ed9ng x\u00e1c<\/p>\n\n\n\n
Th\u1ef1c hi\u1ec7n ki\u1ec3m to\u00e1n v\u00e0 ki\u1ec3m th\u1eed hi\u1ec7u n\u0103ng \u0111\u1ecbnh k\u1ef3<\/h3>\n\n\n\n
Vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a trang web kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh ch\u1ec9 di\u1ec5n ra m\u1ed9t l\u1ea7n r\u1ed3i xong. B\u1ea1n n\u00ean th\u01b0\u1eddng xuy\u00ean s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 Google PageSpeed Insights, GTmetrix ho\u1eb7c WebPageTest \u0111\u1ec3 ki\u1ec3m tra trang web c\u1ee7a m\u00ecnh. Nh\u1eefng c\u00f4ng c\u1ee5 n\u00e0y kh\u00f4ng ch\u1ec9 cung c\u1ea5p \u0111i\u1ec3m s\u1ed1 \u0111\u00e1nh gi\u00e1 m\u00e0 c\u00f2n \u0111\u01b0a ra nh\u1eefng g\u1ee3i \u00fd c\u1ee5 th\u1ec3 v\u00e0 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t trang web. Vi\u1ec7c theo d\u00f5i hi\u1ec7u n\u0103ng trang web tr\u00ean c\u00e1c thi\u1ebft b\u1ecb th\u1ef1c t\u1ebf c\u1ee7a ng\u01b0\u1eddi d\u00f9ng (th\u00f4ng qua b\u00e1o c\u00e1o c\u00e1c ch\u1ec9 s\u1ed1 trang web ch\u00ednh c\u1ee7a Google Search Console) s\u1ebd mang l\u1ea1i nhi\u1ec1u th\u00f4ng tin h\u1eefu \u00edch h\u01a1n so v\u1edbi d\u1eef li\u1ec7u thu \u0111\u01b0\u1ee3c trong m\u00f4i tr\u01b0\u1eddng th\u1eed nghi\u1ec7m trong ph\u00f2ng th\u00ed nghi\u1ec7m.<\/p>\n\n\n\n
T\u00f3m l\u1ea1i<\/h2>\n\n\n\n
T\u1ed1i \u01b0u h\u00f3a WordPress l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh to\u00e0n di\u1ec7n, bao g\u1ed3m t\u1eeb ph\u00eda m\u00e1y ch\u1ee7, qua m\u00e3 ngu\u1ed3n, cho \u0111\u1ebfn giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng (frontend). B\u1eb1ng c\u00e1ch l\u1ef1a ch\u1ecdn d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef (hosting) ch\u1ea5t l\u01b0\u1ee3ng cao, gi\u1ea3m b\u1edbt s\u1ed1 l\u01b0\u1ee3ng plugin v\u00e0 theme kh\u00f4ng c\u1ea7n thi\u1ebft, t\u1ed1i \u01b0u h\u00f3a c\u01a1 s\u1edf d\u1eef li\u1ec7u, n\u00e9n v\u00e0 t\u1ea3i \u1ea3nh m\u1ed9t c\u00e1ch c\u00f3 ch\u1ecdn l\u1ecdc, c\u1ea5u h\u00ecnh h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef \u0111\u1ec7m (cache) v\u00e0 c\u00e1c d\u1ecbch v\u1ee5 ph\u00e2n ph\u1ed1i n\u1ed9i dung (CDN), c\u0169ng nh\u01b0 th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c t\u1ed1i \u01b0u h\u00f3a \u1edf c\u1ea5p \u0111\u1ed9 m\u00e3 ngu\u1ed3n, b\u1ea1n c\u00f3 th\u1ec3 n\u00e2ng cao \u0111\u00e1ng k\u1ec3 t\u1ed1c \u0111\u1ed9 v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a trang web. Y\u1ebfu t\u1ed1 then ch\u1ed1t l\u00e0 vi\u1ec7c theo d\u00f5i li\u00ean t\u1ee5c, ki\u1ec3m th\u1eed v\u00e0 li\u00ean t\u1ee5c c\u1ea3i ti\u1ebfn, v\u00ec n\u1ed9i dung trang web, theme v\u00e0 plugin \u0111\u1ec1u kh\u00f4ng ng\u1eebng thay \u0111\u1ed5i. H\u00e3y coi vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t nh\u01b0 m\u1ed9t c\u00f4ng vi\u1ec7c b\u1ea3o tr\u00ec l\u00e2u d\u00e0i; \u0111i\u1ec1u \u0111\u00f3 s\u1ebd mang l\u1ea1i nh\u1eefng l\u1ee3i \u00edch t\u00edch c\u1ef1c cho ng\u01b0\u1eddi d\u00f9ng v\u00e0 c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebf<\/p>\n\n\n\n
FAQ \u5e38\u89c1\u95ee\u9898<\/h2>\n\n\n\n
Khi t\u1ed1i \u01b0u h\u00f3a website WordPress, n\u00ean b\u1eaft \u0111\u1ea7u t\u1eeb \u0111\u00e2u tr\u01b0\u1edbc ti\u00ean?<\/h3>\n\n\n\n
\u0110\u1ec1 xu\u1ea5t b\u1eaft \u0111\u1ea7u t\u1eeb nh\u1eefng d\u1ef1 \u00e1n c\u01a1 b\u1ea3n c\u00f3 t\u00e1c \u0111\u1ed9ng l\u1edbn nh\u1ea5t, \u0111\u00f3 l\u00e0 \u0111\u00e1nh gi\u00e1 v\u00e0 n\u00e2ng c\u1ea5p gi\u1ea3i ph\u00e1p d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef (hosting) c\u1ee7a b\u1ea1n, \u0111\u1ed3ng th\u1eddi tri\u1ec3n khai m\u1ed9t h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u00e1ng tin c\u1eady (ch\u1eb3ng h\u1ea1n nh\u01b0 Redis). M\u1ed9t m\u00e1y ch\u1ee7 m\u1ea1nh m\u1ebd k\u1ebft h\u1ee3p v\u1edbi c\u01a1 ch\u1ebf l\u01b0u tr\u1eef hi\u1ec7u qu\u1ea3 l\u00e0 n\u1ec1n t\u1ea3ng cho t\u1ea5t c\u1ea3 c\u00e1c bi\u1ec7n ph\u00e1p t\u1ed1i \u01b0u h\u00f3a kh\u00e1c. Ti\u1ebfp theo, h\u00e3y th\u1ef1c hi\u1ec7n vi\u1ec7c n\u00e9n v\u00e0 chuy\u1ec3n \u0111\u1ed5i h\u00ecnh \u1ea3nh m\u1ed9t c\u00e1ch to\u00e0n di\u1ec7n; \u0111i\u1ec1u n\u00e0y th\u01b0\u1eddng gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 t\u1ea3i tr\u00ean trang web ngay l\u1eadp t\u1ee9c.<\/p>\n\n\n\n
Sau khi s\u1eed d\u1ee5ng plugin t\u0103ng t\u1ed1c \u0111\u1ed9 trang web, t\u1ea1i sao t\u1ed1c \u0111\u1ed9 truy c\u1eadp kh\u00f4ng \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n r\u00f5 r\u1ec7t?<\/h3>\n\n\n\n
C\u00f3 nhi\u1ec1u l\u00fd do c\u00f3 th\u1ec3 khi\u1ebfn hi\u1ec7u qu\u1ea3 c\u1ee7a plugin l\u01b0u tr\u1eef \u0111\u1ec7m (cache) kh\u00f4ng r\u00f5 r\u1ec7t. Tr\u01b0\u1edbc h\u1ebft, h\u00e3y ki\u1ec3m tra xem m\u00f4i tr\u01b0\u1eddng m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n c\u00f3 h\u1ed7 tr\u1ee3 c\u01a1 ch\u1ebf l\u01b0u tr\u1eef \u0111\u1ec7m m\u00e0 plugin \u0111\u00f3 s\u1eed d\u1ee5ng hay kh\u00f4ng (ch\u1eb3ng h\u1ea1n nh\u01b0 OPcache, Memcached). Th\u1ee9 hai, n\u1ebfu trang web c\u1ee7a b\u1ea1n ch\u1ee9a nhi\u1ec1u n\u1ed9i dung \u0111\u1ed9ng (nh\u01b0 b\u00e1o gi\u00e1 th\u1eddi gian th\u1ef1c, g\u1ee3i \u00fd c\u00e1 nh\u00e2n h\u00f3a), t\u1ef7 l\u1ec7 truy c\u1eadp v\u00e0o d\u1eef li\u1ec7u \u0111\u00e3 \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef s\u1ebd th\u1ea5p. Ngo\u00e0i ra, n\u1ebfu c\u00e1c t\u00e0i nguy\u00ean ph\u00eda tr\u01b0\u1edbc (nh\u01b0 h\u00ecnh \u1ea3nh, JavaScript ch\u01b0a \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a) c\u00f3 k\u00edch th\u01b0\u1edbc qu\u00e1 l\u1edbn, ho\u1eb7c c\u00f3 c\u00e1c t\u00e0i nguy\u00ean g\u00e2y c\u1ea3n tr\u1edf qu\u00e1 tr\u00ecnh hi\u1ec3n th\u1ecb trang, nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft tr\u1ef1c ti\u1ebfp b\u1eb1ng plugin l\u01b0u tr\u1eef \u0111\u1ec7m; b\u1ea1n c\u1ea7n k\u1ebft h\u1ee3p c\u00e1c bi\u1ec7n ph\u00e1p t\u1ed1i \u01b0u h\u00f3a ph\u00eda tr\u01b0\u1edbc \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n
T\u00f4i c\u00f3 th\u1ef1c s\u1ef1 c\u1ea7n d\u1ecbch v\u1ee5 CDN kh\u00f4ng?<\/h3>\n\n\n\n
N\u1ebfu kh\u00e1ch truy c\u1eadp trang web c\u1ee7a b\u1ea1n \u0111\u1ebfn t\u1eeb nhi\u1ec1u khu v\u1ef1c kh\u00e1c nhau tr\u00ean to\u00e0n th\u1ebf gi\u1edbi, vi\u1ec7c s\u1eed d\u1ee5ng CDN (Content Delivery Network) s\u1ebd gi\u00fap \u0111\u00e1ng k\u1ec3 trong vi\u1ec7c c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 truy c\u1eadp cho h\u1ecd. Ngay c\u1ea3 khi h\u1ea7u h\u1ebft kh\u00e1ch truy c\u1eadp \u0111\u1ebfn t\u1eeb m\u1ed9t qu\u1ed1c gia duy nh\u1ea5t, n\u1ebfu m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n n\u1eb1m c\u00e1ch xa h\u1ecd, CDN v\u1eabn c\u00f3 th\u1ec3 mang l\u1ea1i s\u1ef1 c\u1ea3i thi\u1ec7n v\u1ec1 t\u1ed1c \u0111\u1ed9 truy c\u1eadp. Ngo\u00e0i ra, nhi\u1ec1u d\u1ecbch v\u1ee5 CDN cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng b\u1ea3o m\u1eadt nh\u01b0 b\u1ea3o v\u1ec7 ch\u1ed1ng DDoS (Denial of Service) v\u00e0 t\u01b0\u1eddng l\u1eeda \u1ee9ng d\u1ee5ng web (Web Application Firewall), \u0111i\u1ec1u n\u00e0y t\u0103ng th\u00eam gi\u00e1 tr\u1ecb cho d\u1ecbch v\u1ee5 \u0111\u00f3. \u0110\u1ed1i v\u1edbi c\u00e1c trang web nh\u1ecf ho\u1ea1t \u0111\u1ed9ng ho\u00e0n to\u00e0n \u1edf c\u1ea5p \u0111\u1ed9 \u0111\u1ecba ph\u01b0\u01a1ng, vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a ch\u00ednh m\u00e1y ch\u1ee7 c\u00f3 th\u1ec3 l\u00e0 l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean h\u01a1n.<\/p>\n\n\n\n
L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 bi\u1ebft plugin n\u00e0o l\u00e0 nguy\u00ean nh\u00e2n l\u00e0m ch\u1eadm t\u1ed1c \u0111\u1ed9 trang web?<\/h3>\n\n\n\n
B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ed9t s\u1ed1 c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch hi\u1ec7u n\u0103ng chuy\u00ean d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh nh\u1eefng plugin g\u00e2y ra v\u1ea5n \u0111\u1ec1, ch\u1eb3ng h\u1ea1n nh\u01b0 plugin Query Monitor. C\u00f4ng c\u1ee5 n\u00e0y c\u00f3 th\u1ec3 hi\u1ec3n th\u1ecb c\u00e1c truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi t\u1eebng plugin, c\u00e1c h\u00e0m \u0111\u01b0\u1ee3c g\u1ecdi (hooks), c\u0169ng nh\u01b0 c\u00e1c script v\u00e0 file \u0111\u1ecbnh d\u1ea1ng ki\u1ec3u (styles) \u0111\u01b0\u1ee3c t\u1ea3i v\u00e0o trang web, t\u1eeb \u0111\u00f3 gi\u00fap b\u1ea1n t\u00ecm ra nh\u1eefng plugin ti\u00eau t\u1ed1n nhi\u1ec1u t\u00e0i nguy\u00ean nh\u1ea5t. M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n h\u01a1n l\u00e0 t\u1eaft t\u1eebng plugin \u0111\u00e1ng ng\u1edd m\u1ed9t, sau \u0111\u00f3 ki\u1ec3m tra t\u1ed1c \u0111\u1ed9 trang web b\u1eb1ng c\u00f4ng c\u1ee5 GTmetrix ho\u1eb7c PageSpeed Insights sau m\u1ed7i l\u1ea7n t\u1eaft plugin \u0111\u00f3. B\u1eb1ng c\u00e1ch so s\u00e1nh k\u1ebft qu\u1ea3, b\u1ea1n c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c plugin n\u00e0o l\u00e0 nguy\u00ean nh\u00e2n g\u00e2y ra s\u1ef1 gi\u1ea3m s\u00fat hi\u1ec7u n\u0103ng c\u1ee7a trang web.<\/p>","protected":false},"excerpt":{"rendered":"
B\u00e0i vi\u1ebft n\u00e0y tr\u00ecnh b\u00e0y m\u1ed9t c\u00e1ch h\u1ec7 th\u1ed1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u1ed1t l\u00f5i \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t trang web WordPress. B\u1eaft \u0111\u1ea7u t\u1eeb vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c ch\u1ec9 s\u1ed1 hi\u1ec7u su\u1ea5t quan tr\u1ecdng, b\u00e0i vi\u1ebft m\u00f4 t\u1ea3 chi ti\u1ebft 25 th\u1ee7 thu\u1eadt h\u1eefu \u00edch nh\u01b0 l\u1ef1a ch\u1ecdn m\u00e1y ch\u1ee7 v\u00e0 m\u00f4i tr\u01b0\u1eddng l\u01b0u tr\u1eef, c\u1ea5u h\u00ecnh b\u1ed9 nh\u1edb \u0111\u1ec7m (cache), gi\u1ea3m thi\u1ec3u s\u1ed1 l\u01b0\u1ee3ng ti\u00eau \u0111\u1ec1 (theme) v\u00e0 plugin, t\u1ed1i \u01b0u h\u00f3a c\u01a1 s\u1edf d\u1eef li\u1ec7u, c\u0169ng nh\u01b0 n\u00e9n h\u00ecnh \u1ea3nh v\u00e0 t\u1ea3i ch\u00fang theo th\u1eddi gian (lazy loading). M\u1ee5c ti\u00eau c\u1ee7a nh\u1eefng th\u1ee7 thu\u1eadt n\u00e0y l\u00e0 n\u00e2ng cao \u0111\u00e1ng k\u1ec3 t\u1ed1c \u0111\u1ed9 t\u1ea3i trang 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":[368,400,2143,301,421],"knowledge_category":[280],"class_list":["post-12378106","knowledge_post","type-knowledge_post","status-publish","hentry","tag-seo-optimization","tag-wordpress-optimization","tag-code-optimization","tag-server-configuration","tag-website-performance","knowledge_category-wordpress"],"acf":{"site_seo_keywords":"WordPress\u4f18\u5316,\u7f51\u7ad9\u901f\u5ea6\u63d0\u5347,\u6027\u80fd\u4f18\u5316\u6280\u5de7,SEO\u6392\u540d,\u670d\u52a1\u5668\u914d\u7f6e,\u56fe\u7247\u5ef6\u8fdf\u52a0\u8f7d,\u6570\u636e\u5e93\u6e05\u7406,\u524d\u7aef\u8d44\u6e90\u4f18\u5316"},"_links":{"self":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12378106","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":1,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12378106\/revisions"}],"predecessor-version":[{"id":12406505,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12378106\/revisions\/12406505"}],"wp:attachment":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/media?parent=12378106"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/tags?post=12378106"},{"taxonomy":"knowledge_category","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_category?post=12378106"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}