{"id":12377192,"date":"2026-03-19T04:50:40","date_gmt":"2026-03-18T20:50:40","guid":{"rendered":"https:\/\/www.likacloud.com\/knowledge\/wordpress-%e6%a0%b8%e5%bf%83%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96\/"},"modified":"2026-06-04T12:42:02","modified_gmt":"2026-06-04T04:42:02","slug":"wordpress-core-performance-optimization-guide","status":"publish","type":"knowledge_post","link":"https:\/\/www.likacloud.com\/vi\/knowledge\/wordpress\/wordpress-core-performance-optimization-guide\/","title":{"rendered":"T\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u1ed1t l\u00f5i c\u1ee7a WordPress"},"content":{"rendered":"

T\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u1ed1t l\u00f5i c\u1ee7a WordPress<\/h2>\n\n\n\n

Tr\u1ecdng t\u00e2m c\u1ee7a vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a WordPress n\u1eb1m \u1edf vi\u1ec7c c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 c\u1ee7a trang web, \u0111i\u1ec1u n\u00e0y \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng v\u00e0 th\u1ee9 h\u1ea1ng tr\u00ean c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm. M\u1ed9t trang web t\u1ea3i ch\u1eadm kh\u00f4ng ch\u1ec9 khi\u1ebfn ng\u01b0\u1eddi d\u00f9ng m\u1ea5t h\u1ee9ng th\u00fa m\u00e0 c\u00f2n l\u00e0m gi\u1ea3m v\u1ecb tr\u00ed c\u1ee7a n\u00f3 trong k\u1ebft qu\u1ea3 t\u00ecm ki\u1ebfm.<\/p>\n\n\n\n

T\u1ed1i \u01b0u h\u00f3a truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u<\/h3>\n\n\n\n

C\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 \u0111\u1ed9ng c\u01a1 x\u1eed l\u00fd d\u1eef li\u1ec7u \u0111\u1ed9ng c\u1ee7a WordPress. Theo th\u1eddi gian s\u1eed d\u1ee5ng, n\u00f3 s\u1ebd t\u1ea1o ra m\u1ed9t l\u01b0\u1ee3ng l\u1edbn 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, b\u00ecnh lu\u1eadn kh\u00f4ng h\u1eefu \u00edch, th\u1ebb v\u00e0 danh m\u1ee5c kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, c\u0169ng nh\u01b0 c\u00e1c t\u00f9y ch\u1ecdn t\u1ea1m th\u1eddi \u0111\u00e3 h\u1ebft h\u1ea1n. Nh\u1eefng d\u1eef li\u1ec7u n\u00e0y s\u1ebd l\u00e0m ch\u1eadm tr\u1ec5 hi\u1ec7u su\u1ea5t c\u1ee7a trang web.wp_options<\/code>\u3001wp_posts<\/code>\u548cwp_comments<\/code>T\u1ed1c \u0111\u1ed9 truy v\u1ea5n c\u00e1c b\u1ea3ng c\u1ed1t l\u00f5i nh\u01b0 v\u1eady.<\/p>\n\n\n\n

Vi\u1ec7c th\u01b0\u1eddng xuy\u00ean s\u1eed d\u1ee5ng c\u00e1c ti\u1ec7n \u00edch t\u1ed1i \u01b0u h\u00f3a c\u01a1 s\u1edf d\u1eef li\u1ec7u ho\u1eb7c th\u1ef1c hi\u1ec7n c\u00e1c l\u1ec7nh SQL th\u1ee7 c\u00f4ng \u0111\u1ec3 d\u1ecdn d\u1eb9p d\u1eef li\u1ec7u l\u00e0 r\u1ea5t quan tr\u1ecdng. V\u00ed d\u1ee5, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng phpMyAdmin \u0111\u1ec3 th\u1ef1c hi\u1ec7n l\u1ec7nh sau \u0111\u1ec3 x\u00f3a c\u00e1c phi\u00ean b\u1ea3n c\u0169 c\u1ee7a b\u00e0i vi\u1ebft:<\/p>\n

\u0110\u1ecdc th\u00eam 10 m\u1eb9o t\u1ed1i \u01b0u h\u00f3a v\u00e0 h\u01b0\u1edbng d\u1eabn th\u1ef1c h\u00e0nh quan tr\u1ecdng \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t trang web WordPress<\/a>\u3002<\/p>\n\n\n\n\n

DELETE FROM wp_posts WHERE post_type = 'revision';<\/code><\/pre>\n\n\n\n
\u0110\u1ed3ng th\u1eddi, h\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng\u2026wp_options<\/code>B\u1ea3ng kh\u00f4ng l\u01b0u tr\u1eef qu\u00e1 nhi\u1ec1u d\u1eef li\u1ec7u t\u1ea1m th\u1eddi (d\u1eef li\u1ec7u kh\u00f4ng c\u1ea7n thi\u1ebft) \u2013 nh\u1eefng d\u1eef li\u1ec7u n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ef1 \u0111\u1ed9ng d\u1ecdn d\u1eb9p b\u1eb1ng c\u00e1ch k\u00edch ho\u1ea1t ch\u1ee9c n\u0103ng l\u01b0u tr\u1eef \u0111\u1ed1i t\u01b0\u1ee3ng (object caching) ho\u1eb7c s\u1eed d\u1ee5ng c\u00e1c ti\u1ec7n \u00edch t\u1ed1i \u01b0u h\u00f3a (optimization plugins).<\/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
K\u00edch ho\u1ea1t b\u1ed9 nh\u1edb \u0111\u1ec7m \u0111\u1ed1i t\u01b0\u1ee3ng<\/h3>\n\n\n\n
C\u00e1ch th\u1ee9c t\u1ea3i truy v\u1ea5n v\u00e0 template m\u1eb7c \u0111\u1ecbnh c\u1ee7a WordPress s\u1ebd th\u1ef1c hi\u1ec7n r\u1ea5t nhi\u1ec1u thao t\u00e1c m\u1ed7i khi c\u00f3 y\u00eau c\u1ea7u trang \u0111\u01b0\u1ee3c g\u1eedi \u0111i. Vi\u1ec7c k\u00edch ho\u1ea1t t\u00ednh n\u0103ng l\u01b0u tr\u1eef d\u1eef li\u1ec7u trong b\u1ed9 nh\u1edb (object caching) c\u00f3 th\u1ec3 gi\u00fap l\u01b0u tr\u1eef k\u1ebft qu\u1ea3 truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u01b0\u1edbc \u0111\u00f3 trong b\u1ed9 nh\u1edb, t\u1eeb \u0111\u00f3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 t\u1ea3i l\u01b0\u1ee3ng l\u00ean c\u01a1 s\u1edf d\u1eef li\u1ec7u. \u0110\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng m\u00e1y ch\u1ee7 kh\u00f4ng \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd tr\u1ef1c ti\u1ebfp (non-hosted hosting), b\u1ea1n c\u00f3 th\u1ec3 c\u00e0i \u0111\u1eb7t t\u00ednh nRedis<\/code>\u6216Memcached<\/code>ti\u1ec7n \u00edch m\u1edf r\u1ed9ng, v\u00e0 trongwp-config.php<\/code>Ch\u1ec9 c\u1ea7n th\u00eam c\u00e1c c\u1ea5u h\u00ecnh t\u01b0\u01a1ng \u1ee9ng v\u00e0o t\u1ec7p tin l\u00e0 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n
C\u00e1ch ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 c\u00e0i \u0111\u1eb7t th\u00f4ng qua c\u00e1c plugin c\u1ee7a WordPress.Redis Object Cache<\/code>Sau khi c\u00e0i \u0111\u1eb7t v\u00e0 k\u00edch ho\u1ea1t,wp-config.php<\/code>H\u00e3y th\u00eam c\u1ea5u h\u00ecnh sau v\u00e0o \u0111\u00f3:<\/p>\n\n\n\n
define('WP_REDIS_HOST', '127.0.0.1');\ndefine('WP_REDIS_PORT', 6379);<\/code><\/pre>\n\n\n\n
Vi\u1ec7c n\u00e0y cho ph\u00e9p l\u01b0u tr\u1eef k\u1ebft qu\u1ea3 truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0o Redis, gi\u00fap c\u00e1c y\u00eau c\u1ea7u t\u01b0\u01a1ng t\u1ef1 sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ecdc tr\u1ef1c ti\u1ebfp t\u1eeb b\u1ed9 nh\u1edb, t\u1eeb \u0111\u00f3 \u0111\u00e1ng k\u1ec3 n\u00e2ng cao t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd.<\/p>\n\n\n\n
T\u1ed1i \u01b0u h\u00f3a m\u00f4i tr\u01b0\u1eddng th\u1ef1c thi PHP<\/h3>\n\n\n\n
WordPress \u0111\u01b0\u1ee3c v\u1eadn h\u00e0nh b\u1eb1ng PHP; do \u0111\u00f3, phi\u00ean b\u1ea3n v\u00e0 c\u1ea5u h\u00ecnh c\u1ee7a PHP c\u00f3 \u1ea3nh h\u01b0\u1edfng r\u1ea5t l\u1edbn \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3. B\u1ea1n n\u00ean s\u1eed d\u1ee5ng \u00edt nh\u1ea5t PHP 7.4 ho\u1eb7c phi\u00ean b\u1ea3n m\u1edbi h\u01a1n, v\u00ec ch\u00fang mang l\u1ea1i hi\u1ec7u su\u1ea5t th\u1ef1c thi cao h\u01a1n nhi\u1ec1u so v\u1edbi c\u00e1c phi\u00ean b\u1ea3n c\u0169. \u0110\u1ed3ng th\u1eddi, h\u00e3y \u0111i\u1ec1u ch\u1ec9nh c\u1ea5u h\u00ecnh PHP sao cho ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi nhu c\u1ea7u s\u1eed d\u1ee5ng c\u1ee7a b\u1ea1n.php.ini<\/code>C\u00e1c tham s\u1ed1 quan tr\u1ecdng trong \u0111\u00f3, ch\u1eb3ng h\u1ea1n nh\u01b0 vi\u1ec7c t\u0103ng c\u01b0\u1eddng (hay n\u00e2ng cao)\u2026memory_limit<\/code>(V\u00ed d\u1ee5: 256M), \u0111i\u1ec1u ch\u1ec9nhmax_execution_time<\/code>V\u00e0 b\u1eadt t\u00ednh n\u0103ng l\u01b0u tr\u1eef m\u00e3 thao t\u00e1c (operation code caching).OPcache<\/code>\u3002<\/p>\n
\u0110\u1ecdc th\u00eam X\u00e2y d\u1ef1ng website th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed hi\u1ec7u qu\u1ea3: H\u01b0\u1edbng d\u1eabn c\u1ea5u h\u00ecnh \u0111\u1ea7y \u0111\u1ee7 v\u00e0 t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t WooCommerce<\/a>\u3002<\/p>\n\n\n\n\n
OPcache<\/code>B\u1eb1ng c\u00e1ch l\u01b0u tr\u1eef m\u00e3 byte PHP \u0111\u00e3 \u0111\u01b0\u1ee3c bi\u00ean d\u1ecbch s\u1eb5n trong b\u1ed9 nh\u1edb chia s\u1ebb, vi\u1ec7c tr\u00e1nh \u0111\u01b0\u1ee3c vi\u1ec7c bi\u00ean d\u1ecbch l\u1ea1i m\u1ed7i l\u1ea7n th\u1ef1c thi script tr\u1edf th\u00e0nh bi\u1ec7n ph\u00e1p hi\u1ec7u qu\u1ea3 nh\u1ea5t \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t c\u1ee7a PHP.php.ini<\/code>H\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng t\u00ednh n\u0103ng \u0111\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t v\u00e0 c\u1ea5u h\u00ecnh v\u1edbi dung l\u01b0\u1ee3ng b\u1ed9 nh\u1edb ph\u00f9 h\u1ee3p.<\/p>\n\n\n\n
T\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 t\u1ea3i trang ph\u00eda tr\u01b0\u1edbc (Front-end loading speed optimization)<\/h2>\n\n\n\n
Ngay c\u1ea3 khi qu\u00e1 tr\u00ecnh x\u1eed l\u00fd \u1edf ph\u00eda m\u00e1y ch\u1ee7 di\u1ec5n ra r\u1ea5t nhanh, th\u00ec l\u01b0\u1ee3ng l\u1edbn t\u00e0i nguy\u00ean \u1edf ph\u00eda tr\u00ecnh duy\u1ec7t v\u1eabn c\u00f3 th\u1ec3 khi\u1ebfn trang web t\u1ea3i ch\u1eadm. Vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a c\u00e1c t\u00e0i nguy\u00ean n\u00e0y s\u1ebd mang l\u1ea1i nh\u1eefng c\u1ea3i thi\u1ec7n m\u00e0 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 c\u1ea3m nh\u1eadn \u0111\u01b0\u1ee3c tr\u1ef1c ti\u1ebfp.<\/p>\n\n\n\n
G\u1ed9p v\u00e0 n\u00e9n c\u00e1c t\u1eadp tin CSS\/JavaScript<\/h3>\n\n\n\n
Nguy\u00ean nh\u00e2n ch\u00ednh khi\u1ebfn trang web t\u1ea3i ch\u1eadm l\u00e0 do c\u00f3 qu\u00e1 nhi\u1ec1u y\u00eau c\u1ea7u HTTP \u0111\u01b0\u1ee3c g\u1eedi \u0111i. M\u1ed7i ch\u1ee7 \u0111\u1ec1 (theme) v\u00e0 ti\u1ec7n \u00edch m\u1edf r\u1ed9ng (plugin) \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0a v\u00e0o trang web c\u00e1c t\u1ec7p CSS v\u00e0 JS ri\u00eang bi\u1ec7t. Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c ti\u1ec7n \u00edch t\u1ed1i \u01b0u h\u00f3a nh\u01b0 Autoptimize ho\u1eb7c WP Rocket c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng h\u1ee3p nh\u1ea5t c\u00e1c t\u1ec7p n\u00e0y l\u1ea1i v\u1edbi nhau, gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn m\u00e1y ch\u1ee7, \u0111\u1ed3ng th\u1eddi n\u00e9n ch\u00fang \u0111\u1ec3 gi\u1ea3m k\u00edch th\u01b0\u1edbc.<\/p>\n\n\r\n
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\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
Vi\u1ec7c n\u00e9n CSS s\u1ebd lo\u1ea1i b\u1ecf c\u00e1c ch\u00fa th\u00edch v\u00e0 kho\u1ea3ng tr\u1eafng trong m\u00e3 ngu\u1ed3n; trong khi \u0111\u00f3, vi\u1ec7c n\u00e9n JavaScript (c\u00f2n g\u1ecdi l\u00e0 minification) s\u1ebd th\u1ef1c hi\u1ec7n nh\u1eefng thao t\u00e1c ph\u1ee9c t\u1ea1p h\u01a1n nh\u1eb1m gi\u1ea3m k\u00edch th\u01b0\u1edbc m\u00e3 ngu\u1ed3n m\u00e0 v\u1eabn \u0111\u1ea3m b\u1ea3o ch\u1ee9c n\u0103ng c\u1ee7a n\u00f3 kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng. Nhi\u1ec1u plugin c\u0169ng cung c\u1ea5p t\u00f9y ch\u1ecdn \u0111\u1ec3 nh\u00fang c\u00e1c \u0111o\u1ea1n CSS quan tr\u1ecdng tr\u1ef1c ti\u1ebfp v\u00e0o ph\u1ea7n \u0111\u1ea7u c\u1ee7a trang HTML (header), gi\u00fap t\u0103ng t\u1ed1c \u0111\u1ed9 hi\u1ec3n th\u1ecb trang \u0111\u1ea7u ti\u00ean.<\/p>\n\n\n\n
T\u1ea3i \u1ea3nh v\u00e0 video m\u1ed9t c\u00e1ch t\u1eeb t\u1eeb (lazy loading)<\/h3>\n\n\n\n
H\u00ecnh \u1ea3nh v\u00e0 video th\u01b0\u1eddng l\u00e0 nh\u1eefng t\u00e0i nguy\u00ean chi\u1ebfm nhi\u1ec1u dung l\u01b0\u1ee3ng nh\u1ea5t tr\u00ean trang web. C\u00f4ng ngh\u1ec7 \u201ct\u1ea3i ch\u1eadm\u201d (lazy loading) cho ph\u00e9p c\u00e1c ph\u1ea7n t\u1eed truy\u1ec1n th\u00f4ng n\u00e0y ch\u1ec9 \u0111\u01b0\u1ee3c t\u1ea3i v\u00e0o khi ng\u01b0\u1eddi d\u00f9ng cu\u1ed9n \u0111\u1ebfn v\u00f9ng hi\u1ec3n th\u1ecb c\u1ee7a ch\u00fang, thay v\u00ec t\u1ea3i to\u00e0n b\u1ed9 n\u1ed9i dung ngay khi trang web \u0111\u01b0\u1ee3c kh\u1edfi t\u1ea1o. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 th\u1eddi gian t\u1ea3i trang ban \u0111\u1ea7u.<\/p>\n\n\n\n
T\u1eeb phi\u00ean b\u1ea3n WordPress 5.5 tr\u1edf \u0111i, t\u00ednh n\u0103ng t\u1ea3i \u1ea3nh theo y\u00eau c\u1ea7u (lazy loading) \u0111\u00e3 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t m\u1eb7c \u0111\u1ecbnh trong phi\u00ean b\u1ea3n c\u1ed1t l\u00f5i c\u1ee7a WordPress. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng t\u00ednh n\u0103ng n\u00e0y \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t t\u1ea3i trang v\u00e0 gi\u1ea3m l\u01b0\u1ee3ng b\u0103ng th\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.wp_lazy_loading_enabled<\/code>C\u00e1c b\u1ed9 l\u1ecdc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 qu\u1ea3n l\u00fd ch\u1ee9c n\u0103ng n\u00e0y. \u0110\u1ec3 c\u00f3 kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c h\u01a1n ho\u1eb7c th\u1ef1c hi\u1ec7n vi\u1ec7c t\u1ea3i video m\u1ed9t c\u00e1ch t\u1eeb t\u1eeb (lazy loading), b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c plugin nh\u01b0 WP Rocket ho\u1eb7c a3 Lazy Load.<\/p>\n
\u0110\u1ecdc th\u00eam H\u01b0\u1edbng d\u1eabn nh\u1eadp m\u00f4n ph\u00e1t tri\u1ec3n ch\u1ee7 \u0111\u1ec1 WordPress: X\u00e2y d\u1ef1ng ch\u1ee7 \u0111\u1ec1 c\u1ee7a b\u1ea1n t\u1eeb con s\u1ed1 0<\/a>\u3002<\/p>\n\n\n\n\n
S\u1eed d\u1ee5ng m\u1ea1ng ph\u00e2n ph\u1ed1i n\u1ed9i dung<\/h3>\n\n\n\n
M\u1ea1ng l\u01b0\u1edbi ph\u00e2n ph\u1ed1i n\u1ed9i dung (CDN \u2013 Content Delivery Network) gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 tr\u1ec5 b\u1eb1ng c\u00e1ch l\u01b0u tr\u1eef c\u00e1c t\u00e0i nguy\u00ean t\u0129nh c\u1ee7a b\u1ea1n (nh\u01b0 h\u00ecnh \u1ea3nh, t\u1ec7p CSS, t\u1ec7p JS) tr\u00ean c\u00e1c m\u00e1y ch\u1ee7 tr\u00ean kh\u1eafp th\u1ebf gi\u1edbi. Khi ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp v\u00e0o trang web, h\u1ecd s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c c\u00e1c t\u00e0i nguy\u00ean t\u1eeb m\u00e1y ch\u1ee7 n\u1eb1m g\u1ea7n nh\u1ea5t v\u1ec1 m\u1eb7t \u0111\u1ecba l\u00fd, t\u1eeb \u0111\u00f3 t\u0103ng t\u1ed1c \u0111\u1ed9 truy c\u1eadp v\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi nh\u1eefng trang web c\u00f3 ng\u01b0\u1eddi d\u00f9ng tr\u00ean to\u00e0n c\u1ea7u.<\/p>\n\n\n\n
Vi\u1ec7c t\u00edch h\u1ee3p CDN v\u1edbi WordPress th\u01b0\u1eddng r\u1ea5t \u0111\u01a1n gi\u1ea3n. Nhi\u1ec1u plugin l\u01b0u tr\u1eef \u0111\u1ec7m (cache plugins) \u0111\u1ec1u cung c\u1ea5p t\u00f9y ch\u1ecdn t\u00edch h\u1ee3p v\u1edbi c\u00e1c nh\u00e0 cung c\u1ea5p CDN ph\u1ed5 bi\u1ebfn nh\u01b0 Cloudflare, StackPath, BunnyCDN. Th\u00f4ng th\u01b0\u1eddng, b\u1ea1n ch\u1ec9 c\u1ea7n nh\u1eadp \u0111\u1ecba ch\u1ec9 URL c\u1ee7a nh\u00e0 cung c\u1ea5p CDN v\u00e0o c\u00e0i \u0111\u1eb7t plugin v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c \u0111\u1ecba ch\u1ec9 URL c\u1ee7a t\u00e0i nguy\u00ean \u0111\u01b0\u1ee3c ghi \u0111\u1ed5i (rewrite) m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c.<\/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
Chi\u1ebfn l\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a ch\u1ee7 \u0111\u1ec1 v\u00e0 plugin<\/h2>\n\n\n\n
Ch\u1ee7 \u0111\u1ec1 (theme) v\u00e0 plugin l\u00e0 n\u1ec1n t\u1ea3ng quan tr\u1ecdng \u0111\u1ec3 m\u1edf r\u1ed9ng ch\u1ee9c n\u0103ng c\u1ee7a WordPress, tuy nhi\u00ean vi\u1ec7c l\u1ef1a ch\u1ecdn kh\u00f4ng ph\u00f9 h\u1ee3p ho\u1eb7c s\u1eed d\u1ee5ng qu\u00e1 nhi\u1ec1u c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 t\u1ed1c \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a trang web.<\/p>\n\n\n\n
H\u00e3y ch\u1ecdn m\u1ed9t ch\u1ee7 \u0111\u1ec1 nh\u1eb9 nh\u00e0ng nh\u01b0ng hi\u1ec7u qu\u1ea3 trong thi\u1ebft k\u1ebf c\u1ee7a b\u1ea1n.<\/h3>\n\n\n\n
M\u1ed9t \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u t\u1ed1t l\u00e0 ch\u1ecdn m\u1ed9t ch\u1ee7 \u0111\u1ec1 (theme) c\u00f3 m\u00e3 ngu\u1ed3n ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 t\u1eadp trung v\u00e0o hi\u1ec7u n\u0103ng (performance). H\u00e3y tr\u00e1nh s\u1eed d\u1ee5ng nh\u1eefng ch\u1ee7 \u0111\u1ec1 \u201c\u0111a n\u0103ng\u201d c\u00f3 qu\u00e1 nhi\u1ec1u t\u00ednh n\u0103ng t\u00edch h\u1ee3p s\u1eb5n, c\u00f4ng c\u1ee5 x\u00e2y d\u1ef1ng trang web (page builder) ph\u1ee9c t\u1ea1p, v\u00e0 c\u00e1c m\u00e3 ng\u1eafn (shortcodes) r\u01b0\u1eddm r\u00e0. Nh\u1eefng ch\u1ee7 \u0111\u1ec1 n\u00e0y th\u01b0\u1eddng t\u1ea3i xu\u1ed1ng r\u1ea5t nhi\u1ec1u file CSS v\u00e0 JS m\u00e0 b\u1ea1n s\u1ebd kh\u00f4ng bao gi\u1edd s\u1eed d\u1ee5ng \u0111\u1ebfn, khi\u1ebfn ph\u1ea7n front-end tr\u1edf n\u00ean n\u1eb7ng n\u1ec1 v\u00e0 ch\u1eadm trong ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n
H\u00e3y \u01b0u ti\u00ean c\u00e1c ch\u1ee7 \u0111\u1ec1 c\u00f3 \u0111i\u1ec3m \u0111\u00e1nh gi\u00e1 cao, \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean trong danh m\u1ee5c ch\u1ee7 \u0111\u1ec1 ch\u00ednh th\u1ee9c, v\u00e0 c\u00f3 cam k\u1ebft r\u00f5 r\u00e0ng v\u1ec1 hi\u1ec7u su\u1ea5t (t\u00ednh n\u0103ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u00fang). H\u00e3y s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 ho\u1eb7c ph\u01b0\u01a1ng ph\u00e1p ph\u00f9 h\u1ee3p \u0111\u1ec3 l\u1ef1a ch\u1ecdn nh\u1eefng ch\u1ee7 \u0111\u1ec1 nh\u01b0 v\u1eady.Hello Elementor<\/code>\u6216GeneratePress<\/code>S\u1eed d\u1ee5ng c\u00e1c ch\u1ee7 \u0111\u1ec1 nh\u1eb9 (lightweight themes) l\u00e0m n\u1ec1n t\u1ea3ng, sau \u0111\u00f3 b\u1ed5 sung c\u00e1c t\u00ednh n\u0103ng c\u1ea7n thi\u1ebft th\u00f4ng qua c\u00e1c plugin, th\u01b0\u1eddng l\u00e0 chi\u1ebfn l\u01b0\u1ee3c t\u1ed1t h\u01a1n.<\/p>\n\n\n\n
Ki\u1ec3m to\u00e1n v\u00e0 tinh gi\u1ea3n c\u00e1c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng (plugins).<\/h3>\n\n\n\n
M\u1ed7i ti\u1ec7n \u00edch m\u1edf r\u1ed9ng (plugin) \u0111\u1ec1u l\u00e0m t\u0103ng l\u01b0\u1ee3ng m\u00e3 PHP \u0111\u01b0\u1ee3c th\u1ef1c thi, c\u00f3 th\u1ec3 g\u00e2y ra c\u00e1c truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u m\u1edbi v\u00e0 s\u1eed d\u1ee5ng th\u00eam c\u00e1c t\u00e0i nguy\u00ean ph\u00eda tr\u01b0\u1edbc (front-end). B\u1ea1n c\u1ea7n ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 c\u00e1c ti\u1ec7n \u00edch \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t: li\u1ec7u ch\u00fang c\u00f3 th\u1ef1c s\u1ef1 c\u1ea7n thi\u1ebft kh\u00f4ng? C\u00f3 ti\u1ec7n \u00edch n\u00e0o c\u00f3 ch\u1ee9c n\u0103ng tr\u00f9ng l\u1eb7p kh\u00f4ng? V\u00e0 li\u1ec7u c\u00f3 nh\u1eefng gi\u1ea3i ph\u00e1p thay th\u1ebf nh\u1eb9 h\u01a1n kh\u00f4ng?<\/p>\n\n\n\n
H\u00e3y ki\u1ec3m tra xem m\u1ed7i ti\u1ec7n \u00edch m\u1edf r\u1ed9ng (plugin) \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a \u1ee9ng d\u1ee5ng. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c ti\u1ec7n \u00edch d\u00e0nh cho nh\u00e0 ph\u00e1t tri\u1ec3n nh\u01b0 Query Monitor \u0111\u1ec3 xem c\u00e1c script, \u0111\u1ecbnh d\u1ea1ng (styles) \u0111\u01b0\u1ee3c t\u1ea3i b\u1edfi t\u1eebng ti\u1ec7n \u00edch, c\u0169ng nh\u01b0 c\u00e1c truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u (database queries) \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n. H\u00e3y quy\u1ebft \u0111o\u00e1n v\u00e0 ng\u1eebng s\u1eed d\u1ee5ng, ho\u1eb7c x\u00f3a nh\u1eefng ti\u1ec7n \u00edch m\u00e0 b\u1ea1n kh\u00f4ng c\u00f2n c\u1ea7n \u0111\u1ebfn n\u1eefa, ho\u1eb7c nh\u1eefng ti\u1ec7n \u00edch g\u00e2y<\/p>\n\n\n\n
T\u1ed1i \u01b0u h\u00f3a k\u1ef9 thu\u1eadt SEO (Search Engine Optimization)<\/h2>\n\n\n\n
Vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a WordPress c\u00f3 m\u1ed1i li\u00ean h\u1ec7 ch\u1eb7t ch\u1ebd v\u1edbi SEO; nhi\u1ec1u bi\u1ec7n ph\u00e1p t\u1ed1i \u01b0u h\u00f3a k\u1ef9 thu\u1eadt c\u00f3 th\u1ec3 mang l\u1ea1i l\u1ee3i \u00edch cho c\u1ea3 c\u00e1c c\u00f4ng c\u1ee5 thu th\u1eadp d\u1eef li\u1ec7u c\u1ee7a c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm.<\/p>\n\n\n\n
T\u1ea1o v\u00e0 g\u1eedi b\u1ea3n \u0111\u1ed3 trang web d\u1ea1ng XML.<\/h3>\n\n\n\n
B\u1ea3n \u0111\u1ed3 trang web (site map) d\u1ea1ng XML l\u00e0 danh s\u00e1ch t\u1ea5t c\u1ea3 c\u00e1c trang quan tr\u1ecdng tr\u00ean trang web c\u1ee7a b\u1ea1n, gi\u00fap c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm (search engines) ph\u00e1t hi\u1ec7n v\u00e0 l\u1eadp ch\u1ec9 m\u1ee5c n\u1ed9i dung m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 h\u01a1n. M\u1eb7c d\u00f9 nhi\u1ec1u plugin SEO (nh\u01b0 Yoast SEO ho\u1eb7c Rank Math) c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng t\u1ea1o b\u1ea3n \u0111\u1ed3 trang web, b\u1ea1n v\u1eabn c\u1ea7n \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt v\u00e0 g\u1eedi \u0111\u1ebfn c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm (ch\u1eb3ng h\u1ea1n nh\u01b0 Google Search Console).<\/p>\n\n\n\n
H\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng\u2026robots.txt<\/code>T\u1ec7p tin \u0111\u00e3 ch\u1eb7n \u0111\u00fang c\u00e1ch t\u1ec7p s\u01a1 \u0111\u1ed3 trang web (th\u01b0\u1eddng n\u1eb1m \u1edf \u0111\u1ecba ch\u1ec9\u2026)\/sitemap_index.xml<\/code>\u0110\u1ed3ng th\u1eddi, h\u00e3y th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra t\u1ef7 l\u1ec7 ph\u1ee7 s\u00f3ng c\u1ee7a b\u1ea3n \u0111\u1ed3 trang web (site map) v\u00e0 b\u00e1o c\u00e1o l\u1ed7i trong Google Search Console.<\/p>\n\n\n\n
T\u1ed1i \u01b0u h\u00f3a c\u1ea5u tr\u00fac c\u00e1c li\u00ean k\u1ebft v\u0129nh c\u1eedu (permanent links) v\u00e0 c\u1ea5u tr\u00fac t\u1ed5ng th\u1ec3 c\u1ee7a trang web<\/h3>\n\n\n\n
Nh\u1eefng li\u00ean k\u1ebft v\u0129nh c\u1eedu (c\u00f3 c\u1ea5u tr\u00fac URL r\u00f5 r\u00e0ng) kh\u00f4ng ch\u1ec9 th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng m\u00e0 c\u00f2n gi\u00fap c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm d\u1ec5 d\u00e0ng hi\u1ec3u n\u1ed9i dung trang web h\u01a1n. Ch\u00fang t\u00f4i khuy\u00ean b\u1ea1n n\u00ean s\u1eed d\u1ee5ng \u201cT\u00ean b\u00e0i vi\u1ebft\u201d ho\u1eb7c \u201cC\u1ea5u tr\u00fac t\u00f9y ch\u1ec9nh\u201d trong m\u1ee5c \u201cC\u00e0i \u0111\u1eb7t\u201d -> \u201cLi\u00ean k\u1ebft c\u1ed1 \u0111\u1ecbnh\u201d.\/%postname%\/<\/code>Tr\u00e1nh s\u1eed d\u1ee5ng c\u1ea5u tr\u00fac m\u1eb7c \u0111\u1ecbnh ch\u1ee9a ng\u00e0y th\u00e1ng v\u00e0 ID d\u1ea1ng s\u1ed1.<\/p>\n\n\n\n
Ngo\u00e0i ra, vi\u1ec7c x\u00e2y d\u1ef1ng m\u1ed9t c\u1ea5u tr\u00fac trang web c\u00f3 logic r\u00f5 r\u00e0ng c\u0169ng r\u1ea5t quan tr\u1ecdng. B\u1eb1ng c\u00e1ch thi\u1ebft l\u1eadp c\u00e1c trang cha (parent pages), trang con (child pages) v\u00e0 h\u1ec7 th\u1ed1ng ph\u00e2n lo\u1ea1i m\u1ed9t c\u00e1ch h\u1ee3p l\u00fd, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ed9t c\u1ea5u tr\u00fac trang web g\u1ecdn g\u00e0ng, d\u1ec5 d\u00e0ng \u0111\u1ec3 \u0111i\u1ec1u h\u01b0\u1edbng. \u0110i\u1ec1u n\u00e0y gi\u00fap vi\u1ec7c truy\u1ec1n th\u00f4ng tin (weight transfer) v\u00e0 l\u1eadp ch\u1ec9 m\u1ee5c n\u1ed9i dung (content indexing) di<\/p>\n\n\n\n
N\u00e2ng cao c\u00e1c ch\u1ec9 s\u1ed1 Web c\u1ed1t l\u00f5i c\u1ee7a trang web<\/h3>\n\n\n\n
Google \u0111\u00e3 coi c\u00e1c \u201cCh\u1ec9 s\u1ed1 Web c\u1ed1t l\u00f5i\u201d (Core Web Metrics) l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng trong vi\u1ec7c x\u1ebfp h\u1ea1ng trang web. Nh\u1eefng ch\u1ec9 s\u1ed1 n\u00e0y bao g\u1ed3m:
\n1. **Th\u1eddi gian hi\u1ec3n th\u1ecb n\u1ed9i dung ch\u00ednh:** \u0110o l\u01b0\u1eddng th\u1eddi gian c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u1ea3i n\u1ed9i dung ch\u00ednh c\u1ee7a trang web. Vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh trang ch\u1ee7, s\u1eed d\u1ee5ng c\u00e1c ph\u00f4ng ch\u1eef tr\u1ef1c tuy\u1ebfn c\u00f3 t\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i nhanh h\u01a1n, v\u00e0 gi\u1ea3m b\u1edbt c\u00e1c t\u00e0i nguy\u00ean g\u00e2y c\u1ea3n tr\u1edf qu\u00e1 tr\u00ecnh hi\u1ec3n th\u1ecb
\n2. \u0110\u1ed9 tr\u1ec5 khi nh\u1eadp d\u1eef li\u1ec7u l\u1ea7n \u0111\u1ea7u ti\u00ean: \u0110o t\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i c\u1ee7a trang web khi ng\u01b0\u1eddi d\u00f9ng th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c t\u01b0\u01a1ng t\u00e1c. T\u1ed1i \u01b0u h\u00f3a qu\u00e1 tr\u00ecnh th\u1ef1c thi JavaScript, gi\u1ea3m b\u1edbt c\u00e1c t\u00e1c v\u1ee5 m\u1ea5t nhi\u1ec1u th\u1eddi gian, v\u00e0 s\u1eed d\u1ee5ng Web Workers \u0111\u1ec3 x\u1eed l\u00fd nh\u1eefng c\u00f4ng vi\u1ec7c \u0111\u00f3 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 h\u01a1n.
\n3. \u0110\u1ed9 l\u1ec7ch trong b\u1ed1 c\u1ee5c t\u00edch l\u0169y: \u0110o l\u01b0\u1eddng m\u1ee9c \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u1ec1 m\u1eb7t th\u1ecb gi\u00e1c c\u1ee7a trang web. H\u00e3y ch\u1ec9 \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc r\u00f5 r\u00e0ng (chi\u1ec1u r\u1ed9ng v\u00e0 chi\u1ec1u cao) cho c\u00e1c ph\u1ea7n t\u1eed h\u00ecnh \u1ea3nh v\u00e0 video, \u0111\u1ec3 tr\u00e1nh t\u00ecnh tr\u1ea1ng n\u1ed9i dung \u0111\u01b0\u1ee3c th\u00eam v\u00e0o m\u1ed9t c\u00e1ch \u0111\u1ed9ng kh\u00f4ng l\u00e0m di chuy\u1ec3n c\u00e1c ph\u1ea7n t\u1eed<\/p>\n\n\n\n
Nhi\u1ec1u bi\u1ec7n ph\u00e1p t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u n\u0103ng ph\u00eda tr\u01b0\u1edbc (front-end), nh\u01b0 s\u1eed d\u1ee5ng CDN, n\u00e9n t\u00e0i nguy\u00ean, t\u1ea3i ch\u1eadm (lazy loading), v\u00e0 t\u1ed1i \u01b0u h\u00f3a qu\u00e1 tr\u00ecnh ph\u00e2n ph\u1ed1i CSS, \u0111\u1ec1u gi\u00fap c\u1ea3i thi\u1ec7n tr\u1ef1c ti\u1ebfp c\u00e1c ch\u1ec9 s\u1ed1 li\u00ean quan \u0111\u1ebfn hi\u1ec7u n\u0103ng trang web. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 PageSpeed Insights ho\u1eb7c Lighthouse \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3.<\/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 t\u1ed5ng th\u1ec3 li\u00ean quan \u0111\u1ebfn hi\u1ec7u su\u1ea5t ph\u00eda m\u00e1y ch\u1ee7 (back-end), t\u1ed1c \u0111\u1ed9 trang web ph\u00eda ng\u01b0\u1eddi d\u00f9ng (front-end), ch\u1ea5t l\u01b0\u1ee3ng m\u00e3 ngu\u1ed3n v\u00e0 t\u00ednh th\u00e2n thi\u1ec7n v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm (SEO). Tr\u1ecdng t\u00e2m c\u1ee7a vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a l\u00e0 gi\u1ea3m thi\u1ec3u s\u1ef1 ti\u00eau hao t\u00e0i nguy\u00ean kh\u00f4ng c\u1ea7n thi\u1ebft (nh\u01b0 truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u, y\u00eau c\u1ea7u HTTP, th\u1eddi gian th\u1ef1c thi m\u00e3 ngu\u1ed3n), \u0111\u1ed3ng th\u1eddi t\u1eadn d\u1ee5ng hi\u1ec7u qu\u1ea3 c\u00e1c c\u01a1 ch\u1ebf l\u01b0u tr\u1eef d\u1eef li\u1ec7u (cache). B\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng c\u00e1c chi\u1ebfn l\u01b0\u1ee3c \u0111\u00e3 n\u00eau tr\u00ean \u2013 t\u1eeb vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00e1c giao di\u1ec7n (theme) v\u00e0 ti\u1ec7n \u00edch m\u1edf r\u1ed9ng (plugin) nh\u1eb9 nh\u00e0ng, c\u1ea5u h\u00ecnh h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef d\u1eef li\u1ec7u, n\u00e9n c\u00e1c t\u00e0i nguy\u00ean ph\u00eda trang web, cho \u0111\u1ebfn th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p SEO k\u1ef9 thu\u1eadt \u2013 b\u1ea1n c\u00f3 th\u1ec3 n\u00e2ng cao \u0111\u00e1ng k\u1ec3 t\u1ed1c \u0111\u1ed9 trang web, c\u1ea3i thi\u1ec7n tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng, v\u00e0 gi\u00fap trang web \u0111\u1ea1t \u0111\u01b0\u1ee3c v\u1ecb tr\u00ed t\u1ed1t h\u01a1n tr\u00ean c\u00e1c k\u1ebft qu\u1ea3 t\u00ecm ki\u1ebfm. Qu\u00e1 tr\u00ecnh t\u1ed1i \u01b0u h\u00f3a l\u00e0 m\u1ed9t c\u00f4ng vi\u1ec7c li\u00ean t\u1ee5c, \u0111\u00f2i h\u1ecfi ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra, th\u1eed nghi\u1ec7m v\u00e0 \u0111i\u1ec1u ch\u1ec9nh th\u01b0\u1eddng xuy\u00ean.<\/p>\n\n\n\n
FAQ \u5e38\u89c1\u95ee\u9898<\/h2>\n\n\n\n
L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh li\u1ec7u trang web WordPress c\u1ee7a t\u00f4i c\u00f3 c\u1ea7n \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a hay kh\u00f4ng?<\/h3>\n\n\n\n
C\u00e1ch tr\u1ef1c ti\u1ebfp nh\u1ea5t l\u00e0 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 tr\u1ef1c tuy\u1ebfn \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 v\u00e0 ph\u00e2n t\u00edch hi\u1ec7u su\u1ea5t trang web, ch\u1eb3ng h\u1ea1n nh\u01b0 Google PageSpeed Insights, GTmetrix ho\u1eb7c WebPageTest. Nh\u1eefng c\u00f4ng c\u1ee5 n\u00e0y s\u1ebd cung c\u1ea5p b\u00e1o c\u00e1o chi ti\u1ebft v\u1ec1 hi\u1ec7u su\u1ea5t trang web, bao g\u1ed3m th\u1eddi gian t\u1ea3i trang tr\u00ean c\u1ea3 thi\u1ebft b\u1ecb di \u0111\u1ed9ng v\u00e0 m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n, \u0111i\u1ec3m s\u1ed1 c\u00e1c ch\u1ec9 s\u1ed1 web quan tr\u1ecdng, c\u00f9ng v\u1edbi c\u00e1c v\u1ea5n \u0111\u1ec1 c\u1ee5 th\u1ec3 nh\u01b0 t\u1ec7p tin c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn, ch\u01b0a \u0111\u01b0\u1ee3c n\u00e9n, ho\u1eb7c qu\u00e1 tr\u00ecnh hi\u1ec3n th\u1ecb trang b\u1ecb tr\u00ec ho\u00e3n. N\u1ebfu b\u00e1o c\u00e1o cho th\u1ea5y \u0111i\u1ec3m s\u1ed1 th\u1ea5p (v\u00ed d\u1ee5: th\u1eddi gian t\u1ea3i trang LCP v\u01b0\u1ee3t qu\u00e1 2,5 gi\u00e2y, th\u1eddi gian ph\u1ea3n h\u1ed3i t\u1eeb server FID v\u01b0\u1ee3t qu\u00e1 100 mili gi\u00e2y), ho\u1eb7c b\u1ea1n c\u1ea3m th\u1ea5y trang web m\u1edf ch\u1eadm, th\u00ec b\u1ea1n c\u1ea7n ti\u1ebfn h\u00e0nh t\u1ed1i \u01b0u h\u00f3a n\u00f3.<\/p>\n\n\n\n
Sau khi s\u1eed d\u1ee5ng plugin l\u01b0u tr\u1eef \u0111\u1ec7m (cache plugin), n\u1ebfu n\u1ed9i dung trang web kh\u00f4ng \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb ngay l\u1eadp t\u1ee9c sau khi \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt, b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc sau:<\/h3>\n\n\n\n
\u0110\u00e2y l\u00e0 m\u1ed9t \u0111\u1eb7c t\u00ednh c\u1ed1 h\u1eefu c\u1ee7a c\u01a1 ch\u1ebf \u0111\u1ec7m (cache). C\u00e1c plugin \u0111\u1ec7m \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 trang web b\u1eb1ng c\u00e1ch hi\u1ec3n th\u1ecb cho ng\u01b0\u1eddi d\u00f9ng nh\u1eefng phi\u00ean b\u1ea3n trang t\u0129nh \u0111\u00e3 \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef s\u1eb5n, thay v\u00ec c\u00e1c n\u1ed9i dung \u0111\u01b0\u1ee3c t\u1ea1o ra m\u1ed9t c\u00e1ch \u0111\u1ed9ng v\u00e0 theo th\u1eddi gian th\u1ef1c. C\u00f3 ba c\u00e1ch \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y: Th\u1ee9 nh\u1ea5t, h\u1ea7u h\u1ebft c\u00e1c plugin \u0111\u1ec7m (nh\u01b0 WP Rocket, W3 Total Cache) \u0111\u1ec1u cung c\u1ea5p n\u00fat \u201cX\u00f3a \u0111\u1ec7m\u201d \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 x\u00f3a to\u00e0n b\u1ed9 \u0111\u1ec7m trang web ho\u1eb7c ch\u1ec9 c\u00e1c trang c\u1ee5 th\u1ec3 sau khi n\u1ed9i dung \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt. Th\u1ee9 hai, b\u1ea1n c\u00f3 th\u1ec3 c\u1ea5u h\u00ecnh c\u00e1c quy t\u1eafc t\u1ef1 \u0111\u1ed9ng x\u00f3a \u0111\u1ec7m trong ph\u1ea7n thi\u1ebft l\u1eadp c\u1ee7a plugin; v\u00ed d\u1ee5, x\u00f3a \u0111\u1ec7m t\u1ef1 \u0111\u1ed9ng khi m\u1ed9t b\u00e0i vi\u1ebft \u0111\u01b0\u1ee3c \u0111\u0103ng ho\u1eb7c c\u1eadp nh\u1eadt. Cu\u1ed1i c\u00f9ng, \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng qu\u1ea3n tr\u1ecb \u0111\u00e3 \u0111\u0103ng nh\u1eadp, nhi\u1ec1u plugin h\u1ed7 tr\u1ee3 t\u00f9y ch\u1ecdn \u201cKh\u00f4ng l\u01b0u tr\u1eef d\u1eef li\u1ec7u c\u1ee7a ng\u01b0\u1eddi d\u00f9ng \u0111\u00e3 \u0111\u0103ng nh\u1eadp\u201d, gi\u00fap b\u1ea1n xem \u0111\u01b0\u1ee3c n\u1ed9i dung trang web theo th\u1eddi gian th\u1ef1c khi \u0111ang ch\u1ec9nh s\u1eeda t\u1eeb giao di\u1ec7n qu\u1ea3n tr\u1ecb.<\/p>\n\n\n\n
T\u00f4i n\u00ean ch\u1ecdn plugin l\u01b0u tr\u1eef \u0111\u1ec7m (cache plugin) n\u00e0o?<\/h3>\n\n\n\n
L\u1ef1a ch\u1ecdn ph\u1ee5 thu\u1ed9c v\u00e0o tr\u00ecnh \u0111\u1ed9 k\u1ef9 thu\u1eadt c\u1ee7a b\u1ea1n v\u00e0 nhu c\u1ea7u c\u1ee5 th\u1ec3. \u0110\u1ed1i v\u1edbi h\u1ea7u h\u1ebft ng\u01b0\u1eddi d\u00f9ng, WP Rocket l\u00e0 l\u1ef1a ch\u1ecdn \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb. \u0110\u00e2y l\u00e0 m\u1ed9t plugin c\u00f3 ph\u00ed, nh\u01b0ng c\u00f3 giao di\u1ec7n thi\u1ebft l\u1eadp \u0111\u01a1n gi\u1ea3n v\u00e0 t\u00ednh n\u0103ng \u0111a d\u1ea1ng (\u0111\u1ec7m trang, \u0111\u1ec7m tr\u00ecnh duy\u1ec7t, d\u1ecdn d\u1eb9p c\u01a1 s\u1edf d\u1eef li\u1ec7u, t\u1ea3i n\u1ed9i dung theo y\u00eau c\u1ea7u, t\u00edch h\u1ee3p CDN, v.v.), gi\u00fap b\u1ea1n \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t t\u1ed1t m\u00e0 h\u1ea7u nh\u01b0 kh\u00f4ng c\u1ea7n ph\u1ea3i \u0111i\u1ec1u ch\u1ec9nh th\u1ee7 c\u00f4ng. \u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi mu\u1ed1n s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 mi\u1ec5n ph\u00ed nh\u01b0ng v\u1eabn c\u1ea7n nhi\u1ec1u t\u00ednh n\u0103ng m\u1ea1nh m\u1ebd, W3 Total Cache l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng; tuy nhi\u00ean, c\u00e1c t\u00f9y ch\u1ecdn c\u1ea5u h\u00ecnh c\u1ee7a n\u00f3 kh\u00e1 ph\u1ee9c t\u1ea1p v\u00e0 \u0111\u00f2i h\u1ecfi ki\u1ebfn th\u1ee9c chuy\u00ean m\u00f4n nh\u1ea5t \u0111\u1ecbnh. LiteSpeed Cache c\u0169ng l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi, \u0111\u1eb7c bi\u1ec7t khi m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n \u0111ang s\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m LiteSpeed, v\u00ec n\u00f3 s\u1ebd ph\u00e1t huy t\u1ed1i \u0111a hi\u1ec7u n\u0103ng c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n
Vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u1ea5t d\u1eef li\u1ec7u kh\u00f4ng?<\/h3>\n\n\n\n
N\u1ebfu thao t\u00e1c \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u00fang c\u00e1ch, vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a c\u01a1 s\u1edf d\u1eef li\u1ec7u (lo\u1ea1i b\u1ecf d\u1eef li\u1ec7u th\u1eeba) s\u1ebd kh\u00f4ng l\u00e0m m\u1ea5t b\u1ea5t k\u1ef3 n\u1ed9i dung quan tr\u1ecdng n\u00e0o. C\u00e1c thao t\u00e1c t\u1ed1i \u01b0u h\u00f3a ti\u00eau chu\u1ea9n, nh\u01b0 x\u00f3a c\u00e1c phi\u00ean b\u1ea3n s\u1eeda \u0111\u1ed5i c\u1ee7a b\u00e0i vi\u1ebft, b\u1ea3n th\u1ea3o, b\u00ecnh lu\u1eadn kh\u00f4ng h\u1eefu \u00edch, b\u00ecnh lu\u1eadn ch\u1edd x\u1eed l\u00fd, ho\u1eb7c d\u1eef li\u1ec7u t\u1ea1m th\u1eddi \u0111\u00e3 h\u1ebft h\u1ea1n, \u0111\u1ec1u nh\u1eb1m lo\u1ea1i b\u1ecf nh\u1eefng d\u1eef li\u1ec7u kh\u00f4ng c\u1ea7n thi\u1ebft ho\u1eb7c l\u1ed7i th\u1eddi, m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c b\u00e0i vi\u1ebft \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u0103ng, trang web, b\u00ecnh lu\u1eadn b\u00ecnh th\u01b0\u1eddng, ho\u1eb7c c\u00e0i \u0111\u1eb7t c\u1ee7a trang web. Tuy nhi\u00ean, tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n b\u1ea5t k\u1ef3 thao t\u00e1c n\u00e0o tr\u00ean c\u01a1 s\u1edf d\u1eef li\u1ec7u, b\u1ea1n n\u00ean sao l\u01b0u to\u00e0n b\u1ed9 d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch \u0111\u1ea7y \u0111\u1ee7. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 UpdraftPlus ho\u1eb7c c\u00f4ng c\u1ee5 sao l\u01b0u \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n m\u00e1y ch\u1ee7 c\u1ee7a m\u00ecnh \u0111\u1ec3 sao l\u01b0u to\u00e0n b\u1ed9 trang web, bao g\u1ed3m c\u1ea3 c\u01a1 s\u1edf d\u1eef li\u1ec7u. V\u1edbi b\u1ea3n sao l\u01b0u n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 kh\u00f4i ph\u1ee5c trang web b\u1ea5t c\u1ee9 l\u00fac n\u00e0o n\u1ebfu x\u1ea3y ra s\u1ef1 c\u1ed1 trong qu\u00e1 tr\u00ecnh thao t\u00e1c.<\/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 chi\u1ebfn l\u01b0\u1ee3c ch\u00ednh \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u1ed1t l\u00f5i c\u1ee7a WordPress. N\u1ed9i dung bao g\u1ed3m vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a c\u00e1c truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u, k\u00edch ho\u1ea1t c\u00e1c c\u00f4ng c\u1ee5 l\u01b0u tr\u1eef \u0111\u1ec7m nh\u01b0 Redis, n\u00e2ng c\u1ea5p phi\u00ean b\u1ea3n PHP v\u00e0 c\u1ea5u h\u00ecnh OPcache, c\u0169ng nh\u01b0 c\u00e1ch t\u0103ng t\u1ed1c \u0111\u1ed9 t\u1ea3i trang ph\u00eda tr\u01b0\u1edbc b\u1eb1ng c\u00e1ch h\u1ee3p nh\u1ea5t v\u00e0 n\u00e9n c\u00e1c t\u1ec7p tin, \u00e1p d\u1ee5ng c\u01a1 ch\u1ebf t\u1ea3i ch\u1eadm (lazy loading), v\u00e0 s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 CDN (Content Delivery Network). M\u1ee5c ti\u00eau ch\u00ednh l\u00e0 n\u00e2ng cao \u0111\u00e1ng k\u1ec3 hi\u1ec7u su\u1ea5t ph\u1ea3n h\u1ed3i c\u1ee7a trang web.<\/p>","protected":false},"author":7,"featured_media":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[3206,118,2515,289,424],"knowledge_category":[280],"class_list":["post-12377192","knowledge_post","type-knowledge_post","status-publish","hentry","tag-php-optimization","tag-wordpress","tag-object-cache","tag-performance-optimization","tag-database-cleanup","knowledge_category-wordpress"],"acf":{"site_seo_keywords":"WordPress\u4f18\u5316,\u7f51\u7ad9\u6027\u80fd\u63d0\u5347,\u6570\u636e\u5e93\u6e05\u7406,\u5bf9\u8c61\u7f13\u5b58,\u524d\u7aef\u52a0\u8f7d\u4f18\u5316,CDN\u52a0\u901f,\u8f7b\u91cf\u7ea7\u4e3b\u9898\u9009\u62e9"},"_links":{"self":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12377192","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\/12377192\/revisions"}],"predecessor-version":[{"id":12405823,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12377192\/revisions\/12405823"}],"wp:attachment":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/media?parent=12377192"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/tags?post=12377192"},{"taxonomy":"knowledge_category","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_category?post=12377192"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}