{"id":12391856,"date":"2026-04-16T18:44:04","date_gmt":"2026-04-16T10:44:04","guid":{"rendered":"https:\/\/www.likacloud.com\/knowledge\/wordpress%e4%bc%98%e5%8c%96%e5%ae%8c%e6%95%b4%e6%8c%87%e5%8d%97%ef%bc%9a20%e4%b8%aa%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%84%e6%a0%b8%e5%bf%83%e6%8a%80\/"},"modified":"2026-06-03T20:39:26","modified_gmt":"2026-06-03T12:39:26","slug":"wordpress-optimization-guide-20-speed-performance-tips","status":"publish","type":"knowledge_post","link":"https:\/\/www.likacloud.com\/vi\/knowledge\/wordpress\/wordpress-optimization-guide-20-speed-performance-tips\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn ho\u00e0n ch\u1ec9nh v\u1ec1 t\u1ed1i \u01b0u h\u00f3a WordPress: 20 k\u1ef9 thu\u1eadt c\u1ed1t l\u00f5i n\u00e2ng cao t\u1ed1c \u0111\u1ed9 v\u00e0 hi\u1ec7u su\u1ea5t website"},"content":{"rendered":"

T\u1ed1i \u01b0u h\u00f3a c\u1ed1t l\u00f5i: T\u1ed1c \u0111\u1ed9 t\u1ea3i trang web \u1edf ph\u00eda tr\u01b0\u1edbc (frontend)<\/h2>\n\n\n\n

T\u1ed1c \u0111\u1ed9 t\u1ea3i trang l\u00e0 n\u1ec1n t\u1ea3ng quan tr\u1ecdng cho tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng v\u00e0 th\u1ee9 h\u1ea1ng SEO. Vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a ph\u1ea7n front-end tr\u1ef1c ti\u1ebfp \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn th\u1eddi gian ch\u1edd \u0111\u1ee3i c\u1ee7a ng\u01b0\u1eddi truy c\u1eadp ngay t\u1eeb l\u1ea7n \u0111\u1ea7u ti\u00ean h\u1ecd truy c\u1eadp trang web, v\u00e0 \u0111\u00e2y c\u0169ng l\u00e0 kh\u00eda c\u1ea1nh mang l\u1ea1i hi\u1ec7u qu\u1ea3 nhanh nh\u1ea5t trong qu\u00e1 tr\u00ecnh t\u1ed1i \u01b0u h\u00f3a WordPress.<\/p>\n\n\n\n

C\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c h\u00e0nh \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a t\u00e0i nguy\u00ean h\u00ecnh \u1ea3nh<\/h3>\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 ch\u00ednh khi\u1ebfn trang web ch\u1ea1y ch\u1eadm. H\u00e3y nh\u1edb s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 TinyPNG, ShortPixel \u0111\u1ec3 n\u00e9n h\u00ecnh \u1ea3nh tr\u01b0\u1edbc khi t\u1ea3i ch\u00fang l\u00ean th\u01b0 vi\u1ec7n media, nh\u1eb1m \u0111\u1ea3m b\u1ea3o k\u00edch th\u01b0\u1edbc t\u1ec7p \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u \u0111\u1ebfn m\u1ee9c t\u1ed1i \u0111a.<\/p>\n\n\n\n

S\u1eed d\u1ee5ng c\u00e1c \u0111\u1ecbnh d\u1ea1ng h\u00ecnh \u1ea3nh th\u1ebf h\u1ec7 m\u1edbi (ch\u1eb3ng h\u1ea1n nh\u01b0 WebP) c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 k\u00edch th\u01b0\u1edbc c\u1ee7a t\u1ec7p h\u00ecnh \u1ea3nh. Nhi\u1ec1u ti\u1ec7n \u00edch l\u01b0u tr\u1eef \u0111\u1ec7m (cache plugins) ho\u1eb7c d\u1ecbch v\u1ee5 CDN (Content Delivery Network) c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng cung c\u1ea5p c\u00e1c \u0111\u1ecbnh d\u1ea1ng n\u00e0y cho c\u00e1c tr\u00ecnh duy\u1ec7t h\u1ed7 tr\u1ee3 WebP. Ngo\u00e0i ra, b\u1ea1n n\u00ean lu\u00f4n th\u00eam c\u00e1c th\u00f4ng tin b\u1ed5 sung (metadata) v\u00e0o h\u00ecnh \u1ea3nh \u0111\u1ec3 t\u0103ng t\u00ed alt<\/code> \u548c title<\/code> C\u00e1c thu\u1ed9c t\u00ednh c\u1ea7n \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh \u0111\u00fang c\u00e1ch, c\u00f9ng v\u1edbi vi\u1ec7c thi\u1ebft l\u1eadp k\u00edch th\u01b0\u1edbc h\u00ecnh \u1ea3nh m\u1ed9t c\u00e1ch h\u1ee3p l\u00fd. C\u00f4ng ngh\u1ec7 t\u1ea3i ch\u1eadm (lazy loading) cho ph\u00e9p tr\u00ec ho\u00e3n vi\u1ec7c t\u1ea3i c\u00e1c h\u00ecnh \u1ea3nh kh\u00f4ng n\u1eb1m tr\u00ean trang \u0111\u1ea7u ti\u00ean; ph\u1ea7n m\u00e3 c\u1ed1t l\u00f5i c\u1ee7a \u1ee9ng d\u1ee5ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c vi\u1ebft sao cho ch\u1ec9 t\u1ea3i wp_enqueue_script<\/code> Th\u00eam h\u00e0m.<\/p>\n

\u0110\u1ecdc th\u00eam H\u01b0\u1edbng d\u1eabn t\u1ed1i \u01b0u WordPress t\u1ed1i th\u01b0\u1ee3ng \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 v\u00e0 th\u1ee9 h\u1ea1ng website<\/a>\u3002<\/p>\n\n\n\n\n

S\u1eed d\u1ee5ng c\u01a1 ch\u1ebf \u0111\u1ec7m (cache) \u0111\u1ec3 gi\u1ea3m t\u1ea3i cho m\u00e1y ch\u1ee7<\/h3>\n\n\n\n

B\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee7a tr\u00ecnh duy\u1ec7t v\u00e0 b\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee7a trang web l\u00e0 nh\u1eefng c\u00f4ng c\u1ee5 h\u1eefu hi\u1ec7u \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 truy c\u1eadp. B\u1eb1ng c\u00e1ch c\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7\u2026 .htaccess<\/code> B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c t\u1ec7p tin ho\u1eb7c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng (plugins) \u0111\u1ec3 y\u00eau c\u1ea7u tr\u00ecnh duy\u1ec7t l\u01b0u tr\u1eef c\u00e1c t\u00e0i nguy\u00ean t\u0129nh (CSS, JS, h\u00ecnh \u1ea3nh) trong b\u1ed9 nh\u1edb \u0111\u1ec7m trong m\u1ed9t th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh. \u0110i\u1ec1u n\u00e0y gi\u00fap t\u0103ng t\u1ed1c \u0111\u1ed9 truy c\u1eadp trang web v\u00e0 gi\u1ea3m l\u01b0\u1ee3ng d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n gi\u1eefa tr<\/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
<IfModule mod_expires.c>\nExpiresActive On\nExpiresByType image\/jpg "access plus 1 year"\nExpiresByType text\/css "access plus 1 month"\nExpiresByType application\/javascript "access plus 1 month"\n<\/IfModule><\/code><\/pre>\n\n\n\n
\u0110\u1ed3ng th\u1eddi, vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c plugin nh\u01b0 WP Rocket ho\u1eb7c W3 Total Cache \u0111\u1ec3 t\u1ea1o b\u1ed9 \u0111\u1ec7m trang HTML t\u0129nh c\u00f3 th\u1ec3 gi\u00fap tr\u00e1nh vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c ph\u1ee9c t\u1ea1p li\u00ean quan \u0111\u1ebfn PHP v\u00e0 truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u m\u1ed7i l\u1ea7n truy c\u1eadp trang web.<\/p>\n\n\n\n
H\u1ee3p nh\u1ea5t v\u00e0 t\u1ed1i gi\u1ea3n h\u00f3a c\u00e1c t\u1ec7p CSS v\u00e0 JavaScript<\/h3>\n\n\n\n
Qu\u00e1 nhi\u1ec1u y\u00eau c\u1ea7u HTTP (HTTP requests) s\u1ebd \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng \u0111\u1ebfn th\u1eddi gian t\u1ea3i trang. H\u00e3y s\u1eed d\u1ee5ng c\u00e1c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng (plugins) ho\u1eb7c c\u00f4ng c\u1ee5 x\u00e2y d\u1ef1ng (build tools) \u0111\u1ec3 g\u1ed9p nhi\u1ec1u t\u1ec7p CSS v\u00e0 JS th\u00e0nh m\u1ed9t t\u1ec7p duy nh\u1ea5t, sau \u0111\u00f3 ti\u1ebfn h\u00e0nh \u201cminh h\u00f3a\u201d (minify) ch\u00fang \u2013 t\u1ee9c l\u00e0 lo\u1ea1i b\u1ecf t\u1ea5t c\u1ea3 c\u00e1c kho\u1ea3ng tr\u1eafng, d\u00f2ng m\u1edbi v\u00e0 ch\u00fa th\u00edch kh\u00f4ng c\u1ea7n thi\u1ebft trong m\u00e3 ngu\u1ed3n.<\/p>\n\n\n\n
Nhi\u1ec1u plugin t\u1ed1i \u01b0u h\u00f3a cung c\u1ea5p t\u00ednh n\u0103ng n\u00e0y. Khi s\u1eed d\u1ee5ng ch\u00fang, b\u1ea1n c\u1ea7n ch\u00fa \u00fd \u0111\u1ebfn th\u1ee9 t\u1ef1 t\u1ea3i c\u00e1c t\u1eadp tin, v\u00e0 n\u00ean s\u1eed d\u1ee5ng ph\u01b0\u01a1ng th\u1ee9c t\u1ea3i \u0111\u1ed3ng b\u1ed9 (Async) ho\u1eb7c t\u1ea3i tr\u00ec ho\u00e3n (Defer) \u0111\u1ed1i v\u1edbi c\u00e1c t\u1eadp tin JavaScript kh\u00f4ng quan tr\u1ecdng, \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng qu\u00e1 tr\u00ecnh hi\u1ec3n th\u1ecb trang web kh\u00f4ng b\u1ecb ch\u1eb7n.<\/p>\n\n\n\n
C\u1ea5u h\u00ecnh s\u00e2u cho m\u00e1y ch\u1ee7 v\u00e0 ph\u1ea7n m\u1ec1m backend<\/h2>\n\n\n\n
Hi\u1ec7u qu\u1ea3 c\u1ee7a vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a ph\u00eda tr\u01b0\u1edbc (frontend optimization) b\u1ecb h\u1ea1n ch\u1ebf b\u1edfi hi\u1ec7u su\u1ea5t m\u00e1y ch\u1ee7 v\u00e0 c\u1ea5u h\u00ecnh ph\u00eda sau (backend configuration). M\u1ed9t h\u1ec7 th\u1ed1ng ph\u00eda sau \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u qu\u1ea3 ch\u00ednh l\u00e0 \u201c\u0111\u1ed9ng c\u01a1\u201d gi\u00fap website ho\u1ea1t \u0111\u1ed9ng nhanh ch\u00f3ng.<\/p>\n
\u0110\u1ecdc th\u00eam H\u01b0\u1edbng d\u1eabn t\u1ed1i \u01b0u h\u00f3a WordPress t\u1ed1i th\u01b0\u1ee3ng: 20 m\u1eb9o th\u1ef1c t\u1ebf \u0111\u1ec3 c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 v\u00e0 hi\u1ec7u su\u1ea5t website<\/a>\u3002<\/p>\n\n\n\n\n
Ch\u1ecdn m\u1ed9t m\u00f4i tr\u01b0\u1eddng l\u01b0u tr\u1eef v\u00e0 phi\u00ean b\u1ea3n PHP c\u00f3 hi\u1ec7u su\u1ea5t cao<\/h3>\n\n\n\n
C\u00e1c m\u00e1y ch\u1ee7 chia s\u1ebb th\u01b0\u1eddng c\u00f3 ngu\u1ed3n l\u1ef1c h\u1ea1n ch\u1ebf; v\u00ec v\u1eady, ch\u00fang t\u00f4i khuy\u00ean b\u1ea1n n\u00ean n\u00e2ng c\u1ea5p l\u00ean m\u00e1y ch\u1ee7 d\u00e0nh ri\u00eang cho WordPress, VPS (Virtual Private Server) ho\u1eb7c m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y. H\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u00e1y ch\u1ee7 \u0111ang s\u1eed d\u1ee5ng phi\u00ean b\u1ea3n PHP m\u1edbi nh\u1ea5t v\u00e0 \u1ed5n \u0111\u1ecbnh nh\u1ea5t (v\u00ed d\u1ee5: PHP 8.x), v\u00ec so v\u1edbi c\u00e1c phi\u00ean b\u1ea3n c\u0169, hi\u1ec7u su\u1ea5t th\u1ef1c thi c\u1ee7a n\u00f3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3. 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 c\u00e1c c\u00f4ng c\u1ee5 qu\u1ea3n tr\u1ecb t\u01b0\u01a1ng \u1ee9ng. wp-config.php<\/code> C\u1ea5u h\u00ecnh gi\u1edbi h\u1ea1n b\u1ed9 nh\u1edb PHP trong h\u1ec7 th\u1ed1ng WP_MEMORY_LIMIT<\/code>\u3002<\/p>\n\n\n\n
define('WP_MEMORY_LIMIT', '256M');<\/code><\/pre>\n\n\n\n
Vi\u1ec7c d\u1ecdn d\u1eb9p \u0111\u1ecbnh k\u1ef3 c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 t\u1ed1i \u01b0u h\u00f3a ch\u1ec9 m\u1ee5c l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng.<\/h3>\n\n\n\n
C\u00e1c c\u01a1 s\u1edf d\u1eef li\u1ec7u WordPress ho\u1ea1t \u0111\u1ed9ng trong th\u1eddi gian d\u00e0i s\u1ebd t\u00edch l\u0169y m\u1ed9t l\u01b0\u1ee3ng l\u1edbn c\u00e1c phi\u00ean b\u1ea3n \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eeda \u0111\u1ed5i, b\u1ea3n th\u1ea3o, b\u00ecnh lu\u1eadn kh\u00f4ng c\u1ea7n thi\u1ebft v\u00e0 c\u00e1c d\u1eef li\u1ec7u th\u1eeba kh\u00e1c. Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng (plugin) nh\u01b0 WP-Optimize \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 d\u1ecdn d\u1eb9p nh\u1eefng d\u1eef li\u1ec7u n\u00e0y c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 k\u00edch th\u01b0\u1edbc c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 n\u00e2ng cao hi\u1ec7u su\u1ea5t truy v\u1ea5n.<\/p>\n\n\n\n
\u0110\u1ed3ng th\u1eddi, \u0111\u1ed1i v\u1edbi c\u00e1c tr\u01b0\u1eddng d\u1eef li\u1ec7u th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c truy v\u1ea5n (nh\u01b0\u2026) wp_posts<\/code> Trong b\u1ea3ng post_date<\/code>B\u1ea1n c\u00f3 th\u1ec3 th\u00eam ch\u1ec9 m\u1ee5c, nh\u01b0ng thao t\u00e1c n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n m\u1ed9t c\u00e1ch th\u1eadn tr\u1ecdng v\u00e0 khuy\u1ebfn ngh\u1ecb n\u00ean \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n d\u01b0\u1edbi s\u1ef1 h\u01b0\u1edbng d\u1eabn c\u1ee7a chuy\u00ean gia.<\/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
S\u1eed d\u1ee5ng b\u1ed9 nh\u1edb \u0111\u1ec7m \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t truy v\u1ea5n \u0111\u1ed9ng<\/h3>\n\n\n\n
\u0110\u1ed1i v\u1edbi c\u00e1c trang web c\u00f3 nhi\u1ec1u n\u1ed9i dung \u0111\u1ed9ng, vi\u1ec7c l\u01b0u tr\u1eef d\u1eef li\u1ec7u trong b\u1ed9 nh\u1edb \u0111\u1ed1i t\u01b0\u1ee3ng (object caching) l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng. H\u00e3y th\u1ef1c hi\u1ec7n vi\u1ec7c c\u00e0i \u0111\u1eb7t (installation) c\u1ea7n thi\u1ebft. Redis<\/code> \u6216 Memcached<\/code> B\u1ea1n c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng ch\u1ee9c n\u0103ng n\u00e0y b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c plugin nh\u01b0 Redis Object Cache \u0111\u1ec3 t\u00edch h\u1ee3p n\u00f3 v\u1edbi WordPress. C\u00e1ch l\u00e0m n\u00e0y s\u1ebd gi\u00fap 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 vi\u1ec7c truy xu\u1ea5t d\u1eef li\u1ec7u di\u1ec5n ra nhanh h\u01a1n v\u00e0 gi\u1ea3m \u0111\u00e1ng k\u1ec3 \u00e1p l\u1ef1c l\u00ean c\u01a1 s\u1edf d\u1eef li\u1ec7u trong nh\u1eefng l\u1ea7n y\u00eau c\u1ea7u ti\u1ebfp theo. wp-config.php<\/code> V\u00ed d\u1ee5 v\u1ec1 c\u1ea5u h\u00ecnh trong \u0111\u00f3 nh\u01b0 sau:<\/p>\n\n\n\n
define('WP_REDIS_HOST', '127.0.0.1');\ndefine('WP_REDIS_PORT', 6379);<\/code><\/pre>\n\n\n\n
Chi\u1ebfn l\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a c\u00e1c plugin v\u00e0 theme<\/h2>\n\n\n\n
C\u00e1c plugin v\u00e0 theme l\u00e0 ngu\u1ed3n g\u1ed1c c\u1ee7a t\u00ednh linh ho\u1ea1t c\u1ee7a WordPress, nh\u01b0ng ch\u00fang c\u0169ng c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh g\u00e1nh n\u1eb7ng \u0111\u1ed1i v\u1edbi hi\u1ec7u su\u1ea5t c\u1ee7a trang web. Vi\u1ec7c \u00e1p d\u1ee5ng c\u00e1c chi\u1ebfn l\u01b0\u1ee3c gi\u1ea3m b\u1edbt s\u1ed1 l\u01b0\u1ee3ng plugin v\u00e0 theme l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 gi\u1eef cho trang web ho\u1ea1t \u0111\u1ed9ng m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n
Ki\u1ec3m to\u00e1n v\u00e0 v\u00f4 hi\u1ec7u h\u00f3a c\u00e1c ti\u1ec7n \u00edch (plugin) c\u0169ng nh\u01b0 t\u00ednh n\u0103ng kh\u00f4ng c\u1ea7n thi\u1ebft.<\/h3>\n\n\n\n
H\u00e3y ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 c\u00e1c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng (plugin) \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t, v\u00e0 t\u1eaft ho\u1eb7c x\u00f3a nh\u1eefng ti\u1ec7n \u00edch kh\u00f4ng c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng n\u1eefa ho\u1eb7c nh\u1eefng ti\u1ec7n \u00edch m\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng c\u00e1c c\u00f4ng c\u1ee5 kh\u00e1c. M\u1ed7i ti\u1ec7n \u00edch m\u1edf r\u1ed9ng \u0111\u1ec1u g\u00e2y ra th\u00eam c\u00e1c y\u00eau c\u1ea7u HTTP, t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn qu\u00e1 tr\u00ecnh th\u1ef1c thi m\u00e3 PHP, v\u00e0 l\u00e0<\/p>\n
\u0110\u1ecdc th\u00eam H\u01b0\u1edbng d\u1eabn t\u1ed1i \u01b0u h\u00f3a WordPress t\u1ed1i th\u01b0\u1ee3ng: Chi\u1ebfn l\u01b0\u1ee3c then ch\u1ed1t \u0111\u1ec3 n\u00e2ng cao t\u1ed1c \u0111\u1ed9, hi\u1ec7u su\u1ea5t v\u00e0 th\u1ee9 h\u1ea1ng<\/a>\u3002<\/p>\n\n\n\n\n
T\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u1eady, nhi\u1ec1u giao di\u1ec7n (theme) \u0111i k\u00e8m v\u1edbi nh\u1eefng b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ch\u1ee9c n\u0103ng (function panels) ph\u1ee9c t\u1ea1p v\u00e0 c\u00e1c \u0111o\u1ea1n m\u00e3 ng\u1eafn (short codes). N\u1ebfu b\u1ea1n ch\u1ec9 s\u1eed d\u1ee5ng nh\u1eefng ch\u1ee9c n\u0103ng c\u01a1 b\u1ea3n c\u1ee7a giao di\u1ec7n \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 xem x\u00e9t vi\u1ec7c chuy\u1ec3n sang m\u1ed9t giao di\u1ec7n nh\u1eb9 h\u01a1n, ho\u1eb7c t\u1eaft c\u00e1c m\u00f4-\u0111un ch\u1ee9c n\u0103ng kh\u00f4ng c\u1ea7n thi\u1ebft th\u00f4ng qua c\u00e1c t\u00f9y ch\u1ecdn c\u1ee7a giao di<\/p>\n\n\n\n
T\u1ed1i \u01b0u h\u00f3a c\u00e1ch th\u1ee9c t\u1ea3i c\u00e1c plugin v\u00e0 theme.<\/h3>\n\n\n\n
H\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c t\u1ec7p CSS v\u00e0 JS c\u1ee7a plugin c\u0169ng nh\u01b0 c\u1ee7a ch\u1ee7 \u0111\u1ec1 (theme) ch\u1ec9 \u0111\u01b0\u1ee3c t\u1ea3i v\u00e0o nh\u1eefng trang c\u1ea7n thi\u1ebft. V\u00ed d\u1ee5, c\u00e1c t\u1ec7p li\u00ean quan \u0111\u1ebfn plugin bi\u1ec3u m\u1eabu li\u00ean h\u1ec7 kh\u00f4ng n\u00ean \u0111\u01b0\u1ee3c t\u1ea3i v\u00e0o trang b\u00e0i vi\u1ebft. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua c\u00e0i \u0111\u1eb7t c\u1ee7a plugin ho\u1eb7c trong t\u1eadp tin c\u1ea5u h\u00ecnh c\u1ee7a ch\u1ee7 \u0111\u1ec1. functions.php<\/code> Trong t\u1ec7p tin, \u0111i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c c\u00e2u l\u1ec7nh \u0111i\u1ec1u ki\u1ec7n (conditional statements).<\/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
function my_deregister_scripts() {\n    if ( !is_page('contact') ) {\n        wp_dequeue_script('contact-form-plugin-script');\n    }\n}\nadd_action('wp_print_scripts', 'my_deregister_scripts', 100);<\/code><\/pre>\n\n\n\n
H\u00e3y tr\u00e1nh s\u1eed d\u1ee5ng c\u00e1c truy v\u1ea5n v\u00e0 c\u00f4ng c\u1ee5 (hook) k\u00e9m hi\u1ec7u qu\u1ea3.<\/h3>\n\n\n\n
M\u1ed9t s\u1ed1 plugin ho\u1eb7c theme c\u00f3 thi\u1ebft k\u1ebf k\u00e9m c\u00f3 th\u1ec3 ch\u1ee9a c\u00e1c truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u kh\u00f4ng hi\u1ec7u qu\u1ea3 (v\u00ed d\u1ee5: th\u1ef1c hi\u1ec7n truy v\u1ea5n trong v\u00f2ng l\u1eb7p) ho\u1eb7c l\u1ea1m d\u1ee5ng c\u00e1c hook h\u00e0nh \u0111\u1ed9ng (action hooks) c\u1ee7a WordPress. wp_head<\/code>, wp_footer<\/code>B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng d\u00e0nh cho nh\u00e0 ph\u00e1t tri\u1ec3n nh\u01b0 Query Monitor \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh nh\u1eefng \u0111i\u1ec3m ngh\u1ebdn v\u1ec1 hi\u1ec7u n\u0103ng, t\u1eeb \u0111\u00f3 li\u00ean h\u1ec7 v\u1edbi nh\u00e0 ph\u00e1t tri\u1ec3n \u0111\u1ec3 y\u00eau c\u1ea7u h\u1ecd s\u1eeda ch\u1eefa ho\u1eb7c t\u00ecm gi\u1ea3i ph\u00e1p thay th\u1ebf.<\/p>\n\n\n\n
T\u1ed1i \u01b0u h\u00f3a n\u00e2ng 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, b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1ed9t s\u1ed1 c\u00f4ng ngh\u1ec7 n\u00e2ng cao v\u00e0 theo d\u00f5i li\u00ean t\u1ee5c, hi\u1ec7u su\u1ea5t c\u1ee7a trang web c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c n\u00e2ng l\u00ean m\u1ee9c t\u1ed1i \u01b0u.<\/p>\n\n\n\n
Tri\u1ec3n khai m\u1ea1ng l\u01b0\u1edbi ph\u00e2n ph\u1ed1i n\u1ed9i dung (Content Delivery Network \u2013 CDN) \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 truy c\u1eadp tr\u00ean to\u00e0n c\u1ea7u.<\/h3>\n\n\n\n
CDN (Content Delivery Network) ph\u00e2n ph\u1ed1i c\u00e1c t\u00e0i nguy\u00ean t\u0129nh c\u1ee7a b\u1ea1n \u0111\u1ebfn c\u00e1c m\u00e1y ch\u1ee7 (node) tr\u00ean kh\u1eafp th\u1ebf gi\u1edbi, gi\u00fap ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp d\u1eef li\u1ec7u t\u1eeb m\u00e1y ch\u1ee7 g\u1ea7n nh\u1ea5t v\u1ec1 m\u1eb7t \u0111\u1ecba l\u00fd, t\u1eeb \u0111\u00f3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 th\u1eddi gian truy c\u1eadp (\u0111\u1ed9 tr\u1ec5). \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch \u0111\u1ed1i v\u1edbi c\u00e1c trang web c\u00f3 nhi\u1ec1u kh\u00e1ch truy c\u1eadp t\u1eeb n\u01b0\u1edbc ngo\u00e0i. Cloudflare, KeyCDN v\u00e0 c\u00e1c c\u00f4ng c\u1ee5 t\u01b0\u01a1ng t\u1ef1 l\u00e0 nh\u1eefng l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi; ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p t\u1ed1t v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 l\u01b0u tr\u1eef \u0111\u1ec7m (cache plugins) ph\u1ed5 bi\u1ebfn.<\/p>\n\n\n\n
Split the code and defer the loading of non-critical resources.<\/h3>\n\n\n\n
\u0110\u1ed1i v\u1edbi c\u00e1c trang web hi\u1ec7n \u0111\u1ea1i v\u00e0 c\u00f3 t\u00ednh t\u01b0\u01a1ng t\u00e1c cao, b\u1ea1n c\u00f3 th\u1ec3 xem x\u00e9t s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 ph\u00e2n chia m\u00e3 (code splitting) \u0111\u1ec3 t\u1ea3i c\u00e1c m\u00f4-\u0111un JavaScript theo nhu c\u1ea7u. Ngo\u00e0i ra, vi\u1ec7c s\u1eed d\u1ee5ng\u2026 loading=\u201dlazy\u201d<\/code> Thu\u1ed9c t\u00ednh kh\u00f4ng ch\u1ec9 \u00e1p d\u1ee5ng cho h\u00ecnh \u1ea3nh m\u00e0 c\u00f2n cho iframe v\u00e0 video. \u0110\u1ed1i v\u1edbi CSS kh\u00f4ng c\u1ea7n thi\u1ebft cho vi\u1ec7c hi\u1ec3n th\u1ecb m\u00e0n h\u00ecnh \u0111\u1ea7u ti\u00ean (nh\u01b0 ki\u1ec3u d\u00e1ng cho c\u1eeda s\u1ed5 b\u1eadt l\u00ean ho\u1eb7c trang c\u1ee5 th\u1ec3), c\u00f3 th\u1ec3 \u0111\u00e1nh d\u1ea5u l\u00e0 \u201cCSS kh\u00f4ng quan tr\u1ecdng\u201d v\u00e0 t\u1ea3i tr\u1ec5.<\/p>\n\n\n\n
S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t hi\u1ec7u n\u0103ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c l\u1ea7n t\u1ed1i \u01b0u h\u00f3a l\u1eb7p \u0111i l\u1eb7p l\u1ea1i (iterative optimizations).<\/h3>\n\n\n\n
Vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh di\u1ec5n ra m\u1ed9t l\u1ea7n v\u00e0 m\u00e3i m\u00e3i mang l\u1ea1i k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t. Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 \u0111\u1ec3 theo d\u00f5i li\u00ean t\u1ee5c l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng. Google PageSpeed Insights v\u00e0 GTmetrix cung c\u1ea5p nh\u1eefng \u0111\u00e1nh gi\u00e1 v\u1ec1 hi\u1ec7u su\u1ea5t trang web \u0111\u1ea7y \u0111\u1ee7 c\u00f9ng c\u00e1c g\u1ee3i \u00fd \u0111\u1ec3 c\u1ea3i thi\u1ec7n. \u0110\u1ed1i v\u1edbi vi\u1ec7c gi\u00e1m s\u00e1t theo th\u1eddi gian th\u1ef1c, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 New Relic ho\u1eb7c Application Performance Monitoring (APM) \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 hi\u1ec7u su\u1ea5t ph\u00eda m\u00e1y ch\u1ee7, theo d\u00f5i c\u00e1c truy v\u1ea5n ch\u1eadm v\u00e0 c\u00e1c l\u1ec7nh g\u1ecdi h\u00e0m (function calls) \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n.<\/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 mang t\u00ednh h\u1ec7 th\u1ed1ng, \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1eeb b\u00ean ngo\u00e0i v\u00e0o b\u00ean trong, t\u1eeb c\u00e1c y\u1ebfu t\u1ed1 b\u1ec1 m\u1eb7t \u0111\u1ebfn nh\u1eefng th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a h\u1ec7 th\u1ed1ng. Qu\u00e1 tr\u00ecnh n\u00e0y b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c gi\u1ea3m b\u1edbt v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i c\u1ee7a c\u00e1c t\u00e0i nguy\u00ean ph\u00eda tr\u01b0\u1edbc (front-end resources), ph\u1ee5 thu\u1ed9c v\u00e0o c\u1ea5u h\u00ecnh \u1ed5n \u0111\u1ecbnh c\u1ee7a m\u00e1y ch\u1ee7 v\u00e0 m\u00f4i tr\u01b0\u1eddng ph\u00eda sau (back-end), \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi nh\u1eefng l\u1ef1a ch\u1ecdn th\u00f4ng minh v\u1ec1 c\u00e1c plugin v\u00e0 giao di\u1ec7n (themes), v\u00e0 cu\u1ed1i c\u00f9ng \u0111\u01b0\u1ee3c duy tr\u00ec \u1edf tr\u1ea1ng th\u00e1i t\u1ed1t nh\u1ea5t nh\u1edd v\u00e0o c\u00e1c m\u1ea1ng l\u01b0\u1edbi ph\u00e2n ph\u1ed1i chuy\u00ean nghi\u1ec7p c\u00f9ng vi\u1ec7c gi\u00e1m s\u00e1t li\u00ean t\u1ee5c. B\u1eb1ng c\u00e1ch tu\u00e2n theo hai m\u01b0\u01a1i m\u1eb9o c\u1ed1t l\u00f5i n\u00e0y v\u00e0 \u00e1p d\u1ee5ng c\u00e1c chi\u1ebfn l\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a m\u1ed9t c\u00e1ch c\u00f3 h\u1ec7 th\u1ed1ng, b\u1ea1n kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 t\u1ed1c \u0111\u1ed9 v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a trang web m\u00ecnh m\u00e0 c\u00f2n n\u00e2ng cao tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng, t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng c\u1ea1nh tranh v\u1ec1 m\u1eb7t SEO, v\u00e0 \u0111\u1eb7t n\u1ec1n t\u1ea3ng k\u1ef9 thu<\/p>\n\n\n\n
FAQ \u5e38\u89c1\u95ee\u9898<\/h2>\n\n\n\n
L\u00e0m th\u1ebf n\u00e0o n\u1ebfu t\u1ed1c \u0111\u1ed9 truy c\u1eadp trang web kh\u00f4ng \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 sau khi \u0111\u00e3 th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p t\u1ed1i \u01b0u h\u00f3a?<\/h3>\n\n\n\n
Tr\u01b0\u1edbc ti\u00ean, h\u00e3y s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 Google PageSpeed Insights ho\u1eb7c WebPageTest \u0111\u1ec3 ti\u1ebfn h\u00e0nh ph\u00e2n t\u00edch \u201cd\u00f2ng c\u00f4ng vi\u1ec7c\u201d (task flow), t\u1eeb \u0111\u00f3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c ngu\u1ed3n t\u00e0i nguy\u00ean n\u00e0o g\u00e2y ra t\u1ed1c \u0111\u1ed9 t\u1ea3i trang ch\u1eadm nh\u1ea5t ho\u1eb7c l\u00e0m ch\u1eb7n qu\u00e1 tr\u00ecnh t\u1ea3i trang. Th\u00f4ng th\u01b0\u1eddng, nguy\u00ean nh\u00e2n c\u00f3 th\u1ec3 n\u1eb1m \u1edf c\u00e1c script c\u1ee7a b\u00ean th\u1ee9 ba ch\u01b0a \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a (ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00e3 qu\u1ea3ng c\u00e1o, c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch d\u1eef li\u1ec7u), th\u1eddi gian ph\u1ea3n h\u1ed3i ch\u1eadm c\u1ee7a m\u00e1y ch\u1ee7 (TTFB \u2013 Time To First Byte), ho\u1eb7c c\u00e1c t\u00e0i nguy\u00ean c\u1ea3n tr\u1edf qu\u00e1 tr\u00ecnh render trang. T\u00f9y theo v\u1ea5n \u0111\u1ec1 c\u1ee5 th\u1ec3, h\u00e3y \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f9 h\u1ee3p nh\u01b0 t\u1ea3i c\u00e1c script c\u1ee7a b\u00ean th\u1ee9 ba m\u1ed9t c\u00e1ch \u0111\u1ed3ng b\u1ed9 (asynchronously), n\u00e2ng c\u1ea5p c\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7, ho\u1eb7c t\u1ed1i \u01b0u h\u00f3a c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/p>\n\n\n\n
S\u1eed d\u1ee5ng bao nhi\u00eau plugin t\u1ea1m th\u1eddi (cache plugins) l\u00e0 h\u1ee3p l\u00fd?<\/h3>\n\n\n\n
V\u1ec1 nguy\u00ean t\u1eafc, ch\u1ec9 c\u1ea7n m\u1ed9t plugin l\u01b0u tr\u1eef \u0111\u1ec7m (cache) l\u00e0 \u0111\u1ee7. Vi\u1ec7c c\u00e0i \u0111\u1eb7t nhi\u1ec1u plugin l\u01b0u tr\u1eef \u0111\u1ec7m c\u00f3 ch\u1ee9c n\u0103ng tr\u00f9ng l\u1eb7p nhau (ch\u1eb3ng h\u1ea1n nh\u01b0 W3 Total Cache v\u00e0 WP Super Cache) c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn xung \u0111\u1ed9t gi\u1eefa c\u00e1c quy t\u1eafc ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u00fang, khi\u1ebfn vi\u1ec7c l\u01b0u tr\u1eef d\u1eef li\u1ec7u kh\u00f4ng di\u1ec5n ra \u0111\u00fang c\u00e1ch, l\u00e0m ch\u1eadm trang web ho\u1eb7c th\u1eadm ch\u00ed g\u00e2y ra l\u1ed7i. Thay v\u00e0o \u0111\u00f3, b\u1ea1n n\u00ean ch\u1ecdn m\u1ed9t plugin l\u01b0u tr\u1eef \u0111\u1ec7m c\u00f3 ch\u1ee9c n\u0103ng \u0111\u1ea7y \u0111\u1ee7 v\u00e0 c\u00f3 \u0111\u00e1nh gi\u00e1 t\u00edch c\u1ef1c t\u1eeb ng\u01b0\u1eddi d\u00f9ng, sau \u0111\u00f3 c\u1ea5u h\u00ecnh \u0111\u00fang t\u1ea5t c\u1ea3 c\u00e1c t\u00f9y ch\u1ecdn c\u1ee7a n\u00f3 (l\u01b0u tr\u1eef trang, l\u01b0u tr\u1eef tr\u00ecnh duy\u1ec7t, l\u01b0u tr\u1eef c\u01a1 s\u1edf d\u1eef li\u1ec7u, l\u01b0u tr\u1eef \u0111\u1ed1i t\u01b0\u1ee3ng, v.v.). \u0110i\u1ec1u n\u00e0y s\u1ebd hi\u1ec7u qu\u1ea3 h\u01a1n nhi\u1ec1u so v\u1edbi vi\u1ec7c c\u00e0i \u0111\u1eb7t nhi\u1ec1u plugin c\u00f9ng l\u00fac.<\/p>\n\n\n\n
L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 xem m\u1ed9t ch\u1ee7 \u0111\u1ec1 (theme) ho\u1eb7c plugin c\u00f3 hi\u1ec7u qu\u1ea3 hay kh\u00f4ng?<\/h3>\n\n\n\n
Tr\u01b0\u1edbc khi c\u00e0i \u0111\u1eb7t, h\u00e3y xem l\u1ea1i nh\u1eadt k\u00fd c\u1eadp nh\u1eadt, \u0111\u00e1nh gi\u00e1 c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 \u0111i\u1ec3m s\u1ed1 c\u1ee7a ch\u1ee7 \u0111\u1ec1\/tr\u00ecnh c\u00e0i \u0111\u1eb7t \u0111\u00f3 trong danh m\u1ee5c ch\u00ednh th\u1ee9c c\u1ee7a WordPress. Sau khi c\u00e0i \u0111\u1eb7t, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng plugin Query Monitor \u0111\u1ec3 ki\u1ec3m tra: xem ch\u1ee7 \u0111\u1ec1\/tr\u00ecnh c\u00e0i \u0111\u1eb7t \u0111\u00f3 \u0111\u00e3 t\u1ea1o ra bao nhi\u00eau truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u, t\u1ea3i bao nhi\u00eau t\u1ec7p CSS\/JS, v\u00e0 li\u1ec7u c\u00f3 t\u1ea3i c\u00e1c t\u00e0i nguy\u00ean kh\u00f4ng c\u1ea7n thi\u1ebft v\u00e0o n\u1ec1n (ch\u1eb3ng h\u1ea1n nh\u01b0 tr\u00ean b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n) hay kh\u00f4ng. C\u00e1c ch\u1ee7 \u0111\u1ec1 v\u00e0 plugin c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1eb9 th\u01b0\u1eddng tu\u00e2n theo c\u00e1c ti\u00eau chu\u1ea9n l\u1eadp tr\u00ecnh c\u1ee7a WordPress v\u00e0 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u n\u0103ng \u0111\u1ecbnh k\u1ef3.<\/p>\n\n\n\n
N\u00ean th\u1ef1c hi\u1ec7n t\u1ed1i \u01b0u h\u00f3a c\u01a1 s\u1edf d\u1eef li\u1ec7u (database optimization) m\u1ed7i bao l\u00e2u m\u1ed9t l\u1ea7n?<\/h3>\n\n\n\n
\u0110\u1ed1i v\u1edbi c\u00e1c trang web c\u00f3 n\u1ed9i dung \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean (v\u00ed d\u1ee5: \u0111\u0103ng nhi\u1ec1u b\u00e0i vi\u1ebft m\u1ed7i ng\u00e0y), khuy\u1ebfn ngh\u1ecb th\u1ef1c hi\u1ec7n vi\u1ec7c d\u1ecdn d\u1eb9p c\u01a1 s\u1edf d\u1eef li\u1ec7u m\u1ed9t l\u1ea7n m\u1ed7i th\u00e1ng, bao g\u1ed3m vi\u1ec7c lo\u1ea1i b\u1ecf c\u00e1c phi\u00ean b\u1ea3n \u0111\u00e3 s\u1eeda \u0111\u1ed5i, c\u00e1c b\u1ea3n th\u1ea3o t\u1ef1 \u0111\u1ed9ng v\u00e0 c\u00e1c b\u00ecnh lu\u1eadn kh\u00f4ng c\u1ea7n thi\u1ebft. \u0110\u1ed1i v\u1edbi c\u00e1c trang web c\u00f3 t\u1ea7n su\u1ea5t c\u1eadp nh\u1eadt th\u1ea5p h\u01a1n, ch\u1ec9 c\u1ea7n th\u1ef1c hi\u1ec7n vi\u1ec7c n\u00e0y m\u1ed7i qu\u00fd m\u1ed9t l\u1ea7n l\u00e0 \u0111\u1ee7. Tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n b\u1ea5t k\u1ef3 thao t\u00e1c t\u1ed1i \u01b0u h\u00f3a quan tr\u1ecdng n\u00e0o (ch\u1eb3ng h\u1ea1n: s\u1eeda ch\u1eefa c\u00e1c b\u1ea3ng trong c\u01a1 s\u1edf d\u1eef li\u1ec7u), h\u00e3y \u0111\u1ea3m b\u1ea3o sao l\u01b0u to\u00e0n b\u1ed9 d\u1eef li\u1ec7u \u0111\u1ec3 tr\u00e1nh m\u1ea5t d<\/p>","protected":false},"excerpt":{"rendered":"
B\u00e0i vi\u1ebft n\u00e0y gi\u1edbi thi\u1ec7u m\u1ed9t c\u00e1ch h\u1ec7 th\u1ed1ng 20 k\u1ef9 thu\u1eadt c\u1ed1t l\u00f5i \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 v\u00e0 hi\u1ec7u su\u1ea5t trang web WordPress. N\u1ed9i dung bao qu\u00e1t t\u1eeb vi\u1ec7c n\u00e9n \u1ea3nh v\u00e0 lazy load ph\u00eda front-end, c\u1ea5u h\u00ecnh cache, h\u1ee3p nh\u1ea5t m\u00e3, \u0111\u1ebfn vi\u1ec7c l\u1ef1a ch\u1ecdn m\u00e1y ch\u1ee7, d\u1ecdn d\u1eb9p c\u01a1 s\u1edf d\u1eef li\u1ec7u, b\u1ed9 nh\u1edb \u0111\u1ec7m \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 tinh gi\u1ea3n plugin, theme nh\u01b0 c\u00e1c chi\u1ebfn l\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a s\u00e2u ph\u00eda back-end, nh\u1eb1m n\u00e2ng cao to\u00e0n di\u1ec7n hi\u1ec7u su\u1ea5t t\u1ea3i trang web.<\/p>","protected":false},"author":7,"featured_media":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[400,517,402,502,401],"knowledge_category":[280],"class_list":["post-12391856","knowledge_post","type-knowledge_post","status-publish","hentry","tag-wordpress-optimization","tag-image-compression","tag-performance-improvement","tag-cache-mechanism","tag-website-speed","knowledge_category-wordpress"],"acf":{"site_seo_keywords":"WordPress\u4f18\u5316,\u7f51\u7ad9\u901f\u5ea6,\u6027\u80fd\u63d0\u5347,\u56fe\u7247\u538b\u7f29,\u7f13\u5b58\u673a\u5236,\u6570\u636e\u5e93\u6e05\u7406,\u63d2\u4ef6\u7cbe\u7b80"},"_links":{"self":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12391856","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\/12391856\/revisions"}],"predecessor-version":[{"id":12404124,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12391856\/revisions\/12404124"}],"wp:attachment":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/media?parent=12391856"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/tags?post=12391856"},{"taxonomy":"knowledge_category","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_category?post=12391856"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}