{"id":12377416,"date":"2026-03-19T07:33:03","date_gmt":"2026-03-18T23:33:03","guid":{"rendered":"https:\/\/www.likacloud.com\/knowledge\/wordpress-%e7%bd%91%e7%ab%99%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96%ef%bc%9a%e4%bb%8e%e5%9f%ba%e7%a1%80%e5%88%b0%e8%bf%9b%e9%98%b6%e7%9a%84%e5%ae%8c%e6%95%b4%e6%8c%87%e5%8d%97\/"},"modified":"2026-06-03T19:19:50","modified_gmt":"2026-06-03T11:19:50","slug":"wordpress-website-performance-optimization-complete-guide","status":"publish","type":"knowledge_post","link":"https:\/\/www.likacloud.com\/vi\/knowledge\/wordpress\/wordpress-website-performance-optimization-complete-guide\/","title":{"rendered":"T\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t WordPress: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n t\u1eeb c\u01a1 b\u1ea3n \u0111\u1ebfn n\u00e2ng cao"},"content":{"rendered":"

Trong m\u00f4i tr\u01b0\u1eddng k\u1ef9 thu\u1eadt s\u1ed1 nhanh ch\u00f3ng ng\u00e0y nay, t\u1ed1c \u0111\u1ed9 truy c\u1eadp trang web l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t quy\u1ebft \u0111\u1ecbnh 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, v\u00e0 th\u1eadm ch\u00ed l\u00e0 s\u1ef1 th\u00e0nh b\u1ea1i c\u1ee7a doanh nghi\u1ec7p. M\u1ed9t trang web t\u1ea3i ch\u1eadm s\u1ebd tr\u1ef1c ti\u1ebfp d\u1eabn \u0111\u1ebfn vi\u1ec7c ng\u01b0\u1eddi d\u00f9ng r\u1eddi b\u1ecf trang web \u0111\u00f3. WordPress, v\u1edbi h\u1ec7 th\u1ed1ng ch\u1ee7 \u0111\u1ec1 (theme) v\u00e0 plugin \u0111a d\u1ea1ng, c\u00f3 xu h\u01b0\u1edbng t\u00edch l\u0169y nhi\u1ec1u v\u1ea5n \u0111\u1ec1 v\u1ec1 hi\u1ec7u n\u0103ng n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a. Do \u0111\u00f3, vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u n\u0103ng m\u1ed9t c\u00e1ch c\u00f3 h\u1ec7 th\u1ed1ng l\u00e0 k\u1ef9 n\u0103ng m\u00e0 m\u1ecdi qu\u1ea3n tr\u1ecb vi\u00ean trang web WordPress \u0111\u1ec1u c\u1ea7n n\u1eafm v\u1eefng. H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n t\u1eeb nh\u1eefng bi\u1ec7n ph\u00e1p t\u1ed1i \u01b0u h\u00f3a c\u01a1 b\u1ea3n nh\u1ea5t, d\u1ea7n d\u1ea7n \u0111i s\u00e2u v\u00e0o c\u00e1c c\u1ea5u h\u00ecnh n\u00e2ng cao \u1edf c\u1ea5p \u0111\u1ed9 m\u00e1y ch\u1ee7, gi\u00fap b\u1ea1n x\u00e2y d\u1ef1ng m\u1ed9t trang web nhanh ch\u00f3ng, m\u01b0\u1ee3t m\u00e0 v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>\n\n\n\n

C\u00e1c bi\u1ec7n ph\u00e1p t\u1ed1i \u01b0u h\u00f3a c\u01a1 b\u1ea3n: S\u1ef1 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c nh\u00ecn th\u1ea5y ngay l\u1eadp t\u1ee9c.<\/h2>\n\n\n\n

Tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n b\u1ea5t k\u1ef3 thao t\u00e1c ph\u1ee9c t\u1ea1p n\u00e0o, c\u00f3 m\u1ed9t s\u1ed1 bi\u1ec7n ph\u00e1p t\u1ed1i \u01b0u h\u00f3a c\u01a1 b\u1ea3n c\u00f3 th\u1ec3 nhanh ch\u00f3ng mang l\u1ea1i s\u1ef1 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 v\u1ec1 t\u1ed1c \u0111\u1ed9 truy c\u1eadp cho trang web c\u1ee7a b\u1ea1n. Nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y d\u1ec5 \u00e1p d\u1ee5ng v\u00e0 c\u00f3 r\u1ee7i ro th\u1ea5p, l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u l\u00fd t\u01b0\u1edfng cho vi\u1ec7c n\u00e2ng cao hi\u1ec7u su\u1ea5t trang web.<\/p>\n\n\n\n

T\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh v\u00e0 t\u1ec7p media<\/h3>\n\n\n\n

H\u00ecnh \u1ea3nh th\u01b0\u1eddng l\u00e0 lo\u1ea1i t\u00e0i nguy\u00ean chi\u1ebfm nhi\u1ec1u dung l\u01b0\u1ee3ng nh\u1ea5t tr\u00ean trang web. T\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh l\u00e0 m\u1ed9t trong nh\u1eefng c\u00e1ch hi\u1ec7u qu\u1ea3 nh\u1ea5t \u0111\u1ec3 n\u00e2ng cao t\u1ed1c \u0111\u1ed9 t\u1ea3i trang web. \u0110\u1ea7u ti\u00ean, h\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 TinyPNG ho\u1eb7c Squoosh \u0111\u1ec3 n\u00e9n h\u00ecnh \u1ea3nh tr\u01b0\u1edbc khi t\u1ea3i ch\u00fang l\u00ean trang web. Th\u1ee9 hai, h\u00e3y s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ecbnh d\u1ea1ng h\u00ecnh \u1ea3nh hi\u1ec7n \u0111\u1ea1i nh\u01b0 WebP \u2013 \u0111\u1ecbnh d\u1ea1ng n\u00e0y c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m k\u00edch th\u01b0\u1edbc t\u1ec7p xu\u1ed1ng t\u1eeb 251% \u0111\u1ebfn 351% m\u00e0 v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh t\u01b0\u01a1ng \u0111\u01b0\u01a1ng. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng nh\u1eefng c\u00f4ng c\u1ee5 n\u00e0y \u0111\u1ec3 n\u00e9n h\u00ecnh \u1ea3nh c\u1ee7a m\u00ecnh.ShortPixel<\/code>\u6216Imagify<\/code>Lo\u1ea1i plugin n\u00e0y t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n \u0111\u1ed5i h\u00ecnh \u1ea3nh \u0111\u01b0\u1ee3c t\u1ea3i l\u00ean th\u00e0nh \u0111\u1ecbnh d\u1ea1ng WebP v\u00e0 cung c\u1ea5p phi\u00ean b\u1ea3n d\u1ef1 ph\u00f2ng (JPEG\/PNG) cho nh\u1eefng tr\u00ecnh duy\u1ec7t c\u0169 kh\u00f4ng h\u1ed7 tr\u1ee3 \u0111\u1ecbnh d\u1ea1ng WebP.<\/p>\n

\u0110\u1ecdc th\u00eam H\u01b0\u1edbng d\u1eabn To\u00e0n di\u1ec7n T\u1ed1i \u01b0u Hi\u1ec7u su\u1ea5t Website WooCommerce: T\u1eeb C\u1ea5u h\u00ecnh C\u01a1 b\u1ea3n \u0111\u1ebfn Chi\u1ebfn l\u01b0\u1ee3c Cache N\u00e2ng cao<\/a>\u3002<\/p>\n\n\n\n\n

Ngo\u00e0i ra, c\u00f4ng ngh\u1ec7 \u201ct\u1ea3i ch\u1eadm\u201d (lazy loading) c\u1ef1c k\u1ef3 quan tr\u1ecdng. N\u00f3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng h\u00ecnh \u1ea3nh ch\u1ec9 \u0111\u01b0\u1ee3c t\u1ea3i v\u00e0o khi ch\u00fang xu\u1ea5t hi\u1ec7n trong t\u1ea7m nh\u00ecn c\u1ee7a ng\u01b0\u1eddi d\u00f9ng (viewport), t\u1eeb \u0111\u00f3 gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 th\u1eddi gian t\u1ea3i trang \u0111\u1ea7u ti\u00ean. K\u1ec3 t\u1eeb phi\u00ean b\u1ea3n WordPress 5.5, c\u00f4ng ngh\u1ec7 t\u1ea3i ch\u1eadm \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n v\u00e0o h\u1ec7 th\u1ed1ng, nh\u01b0ng b\u1ea1n v\u1eabn c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 b\u1ed5 sung n\u1ebfu mu\u1ed1n.Lazy Load by WP Rocket<\/code>Nh\u1eefng plugin n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c trang b\u1ecb kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t m\u1ea1nh m\u1ebd 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 chi\u1ebfn l\u01b0\u1ee3c l\u01b0u tr\u1eef \u0111\u1ec7m (cache) hi\u1ec7u qu\u1ea3<\/h3>\n\n\n\n

B\u1ed9 \u0111\u1ec7m (cache) l\u00e0 n\u1ec1n t\u1ea3ng quan tr\u1ecdng trong vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u1ee7a WordPress. Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3 l\u00e0 l\u01b0u tr\u1eef c\u00e1c trang \u0111\u01b0\u1ee3c t\u1ea1o ra m\u1ed9t c\u00e1ch \u0111\u1ed9ng d\u01b0\u1edbi d\u1ea1ng c\u00e1c t\u1ec7p HTML t\u0129nh; khi ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp l\u1ea1i, h\u1ec7 th\u1ed1ng s\u1ebd tr\u1ef1c ti\u1ebfp cung c\u1ea5p c\u00e1c t\u1ec7p HTML t\u0129nh \u0111\u00f3, gi\u00fap tr\u00e1nh \u0111\u01b0\u1ee3c qu\u00e1 tr\u00ecnh th\u1ef1c thi PHP ph\u1ee9c t\u1ea1p v\u00e0 c\u00e1c thao t\u00e1c truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/p>\n\n\n\n

B\u1ea1n c\u1ea7n hi\u1ec3u v\u1ec1 m\u1ed9t s\u1ed1 lo\u1ea1i b\u1ed9 \u0111\u1ec7m (cache): b\u1ed9 \u0111\u1ec7m trang (l\u01b0u tr\u1eef to\u00e0n b\u1ed9 n\u1ed9i dung c\u1ee7a m\u1ed9t trang web), b\u1ed9 \u0111\u1ec7m \u0111\u1ed1i t\u01b0\u1ee3ng (l\u01b0u tr\u1eef k\u1ebft qu\u1ea3 truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u), v\u00e0 b\u1ed9 \u0111\u1ec7m tr\u00ecnh duy\u1ec7t (gi\u00fap tr\u00ecnh duy\u1ec7t l\u01b0u tr\u1eef c\u00e1c t\u00e0i nguy\u00ean t\u0129nh tr\u00ean m\u00e1y t\u00ednh c\u1ee7a ng\u01b0\u1eddi d\u00f9ng). \u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u, vi\u1ec7c c\u00e0i \u0111\u1eb7t m\u1ed9t ti\u1ec7n \u00edch m\u1edf r\u1ed9ng (plugin) h\u1ed7 tr\u1ee3 qu\u1ea3n l\u00fd b\u1ed9 \u0111\u1ec7m to\u00e0n di\u1ec7n l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t nhWP Rocket<\/code>\u0110\u00e2y l\u00e0 m\u1ed9t plugin tr\u1ea3 ph\u00ed xu\u1ea5t s\u1eafc, cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng t\u1ed1i \u01b0u h\u00f3a s\u1eb5n s\u00e0ng \u0111\u1ec3 s\u1eed d\u1ee5ng ngay sau khi \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t. N\u1ebfu b\u1ea1n \u01b0a th\u00edch c\u00e1c gi\u1ea3i ph\u00e1p mi\u1ec5n ph\u00ed\u2026W3 Total Cache<\/code>\u6216LiteSpeed Cache<\/code>(C\u1ea7n \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi m\u00f4i tr\u01b0\u1eddng m\u00e1y ch\u1ee7); \u0110\u00e2y c\u0169ng l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn r\u1ea5t t\u1ed1t. N\u1ebfu c\u1ea5u h\u00ecnh \u0111\u00fang c\u00e1c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng (plugin) n\u00e0y, th\u1eddi gian t\u1ea3i trang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3m ngay l\u1eadp t\u1ee9c xu\u1ed1ng v\u00e0i gi\u00e2y.<\/p>\n\n\n\n

Tinh gi\u1ea3n v\u00e0 d\u1ecdn d\u1eb9p c\u01a1 s\u1edf d\u1eef li\u1ec7u<\/h3>\n\n\n\n

WordPress s\u1ebd li\u00ean t\u1ee5c t\u00edch l\u0169y d\u1eef li\u1ec7u th\u1eeba trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh, ch\u1eb3ng h\u1ea1n nh\u01b0 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, v\u00e0 c\u00e1c b\u1ed9 \u0111\u1ec7m t\u1ea1m th\u1eddi \u0111\u00e3 h\u1ebft h\u1ea1n. Nh\u1eefng d\u1eef li\u1ec7u n\u00e0y khi\u1ebfn c\u01a1 s\u1edf d\u1eef li\u1ec7u tr\u1edf n\u00ean qu\u00e1 t\u1ea3i v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t truy v\u1ea5n.<\/p>\n\n\n\n

Vi\u1ec7c d\u1ecdn d\u1eb9p c\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u1ecbnh k\u1ef3 l\u00e0 m\u1ed9t c\u00f4ng vi\u1ec7c b\u1ea3o tr\u00ec c\u1ea7n thi\u1ebft. B\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 \u0111i\u1ec1u n\u00e0y.WP-Optimize<\/code>\u6216Advanced Database Cleaner<\/code>Nh\u1eefng plugin n\u00e0y th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5 d\u1ecdn d\u1eb9p m\u1ed9t c\u00e1ch an to\u00e0n. Tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh d\u1ecdn d\u1eb9p, h\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n \u0111\u00e3 sao l\u01b0u to\u00e0n b\u1ed9 n\u1ed9i dung trang web c\u1ee7a m\u00ecnh. Ngo\u00e0i ra, vi\u1ec7c \u0111\u00e1nh gi\u00e1 v\u00e0 t\u1eaft c\u00e1c plugin c\u0169ng nh\u01b0 ch\u1ee7 \u0111\u1ec1 (theme) kh\u00f4ng c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u0169ng s\u1ebd gi\u00fap gi\u1ea3m b\u1edbt s\u1ed1 l\u01b0\u1ee3ng truy v\u1ea5n v\u00e0o c\u01a1 s\u1edf d<\/p>\n

\u0110\u1ecdc th\u00eam T\u1ed1i \u01b0u h\u00f3a v\u00e0 t\u0103ng t\u1ed1c WordPress: 20 m\u1eb9o th\u1ef1c ti\u1ec5n \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t trang web v\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng c\u1ee7a b\u1ea1n<\/a>\u3002<\/p>\n\n\n\n\n

T\u1ed1i \u01b0u h\u00f3a n\u00e2ng cao: T\u1ed1i \u01b0u h\u00f3a m\u00e3 ngu\u1ed3n, t\u00e0i nguy\u00ean v\u00e0 quy tr\u00ecnh tri\u1ec3n khai (Code, Resources, and Delivery Optimization)<\/h2>\n\n\n\n

Sau khi ho\u00e0n t\u1ea5t c\u00e1c b\u01b0\u1edbc t\u1ed1i \u01b0u h\u00f3a c\u01a1 b\u1ea3n, b\u1ea1n c\u00f3 th\u1ec3 chuy\u1ec3n s\u1ef1 ch\u00fa \u00fd sang m\u00e3 ngu\u1ed3n c\u1ee7a trang web v\u00e0 quy tr\u00ecnh cung c\u1ea5p c\u00e1c t\u00e0i nguy\u00ean li\u00ean quan, \u0111\u1ec3 ti\u1ebfn h\u00e0nh c\u00e1c b\u01b0\u1edbc \u0111i\u1ec1u ch\u1ec9nh (tuning) \u1edf c\u1ea5p \u0111\u1ed9 s\u00e2u h\u01a1n.<\/p>\n\n\n\n

H\u1ee3p nh\u1ea5t, n\u00e9n v\u00e0 t\u1ea3i ch\u1eadm t\u00e0i nguy\u00ean<\/h3>\n\n\n\n

M\u1ed7i t\u1ec7p CSS v\u00e0 JavaScript \u0111\u1ec1u t\u1ea1o ra m\u1ed9t y\u00eau c\u1ea7u HTTP. S\u1ed1 l\u01b0\u1ee3ng y\u00eau c\u1ea7u qu\u00e1 l\u1edbn c\u00f3 th\u1ec3 g\u00e2y c\u1ea3n tr\u1edf nghi\u00eam tr\u1ecdng qu\u00e1 tr\u00ecnh hi\u1ec3n th\u1ecb trang web. B\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p (merge) c\u00e1c t\u1ec7p n\u00e0y l\u1ea1i v\u1edbi nhau, b\u1ea1n c\u00f3 th\u1ec3 gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n. Ngo\u00e0i ra, vi\u1ec7c n\u00e9n (compress) c\u00e1c t\u1ec7p n\u00e0y (s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 nh\u01b0 Minify) s\u1ebd lo\u1ea1i b\u1ecf t\u1ea5t c\u1ea3 c\u00e1c k\u00fd t\u1ef1 kh\u00f4ng c\u1ea7n thi\u1ebft (nh\u01b0 kho\u1ea3ng tr\u1eafng, ch\u00fa th\u00edch, d\u1ea5u xu\u1ed1ng d\u00f2ng), t\u1eeb \u0111\u00f3 gi\u00fap gi\u1ea3m k\u00edch th\u01b0\u1edbc c\u1ee7a ch\u00fang.<\/p>\n\n\n\n

H\u1ea7u h\u1ebft c\u00e1c plugin l\u01b0u tr\u1eef \u0111\u1ec7m (cache) n\u00e2ng cao \u0111\u1ec1u cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng h\u1ee3p nh\u1ea5t (merge) v\u00e0 n\u00e9n (compress) d\u1eef li\u1ec7u. B\u01b0\u1edbc quan tr\u1ecdng h\u01a1n n\u1eefa l\u00e0 vi\u1ec7c \u201ct\u1ea3i ch\u1eadm\u201d (delay loading) c\u00e1c \u0111o\u1ea1n JavaScript kh\u00f4ng quan tr\u1ecdng. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 n\u00e0y \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t trang web c\u1ee7a m\u00ecnh.async<\/code>\u6216defer<\/code>B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c thu\u1ed9c t\u00ednh (properties) \u0111\u1ec3 ki\u1ec3m so\u00e1t th\u1eddi \u0111i\u1ec3m t\u1ea3i v\u00e0 th\u1ef1c thi c\u00e1c script, ho\u1eb7c s\u1eed d\u1ee5ng c\u00e1c plugin \u0111\u1ec3 tr\u00ec ho\u00e3n vi\u1ec7c t\u1ea3i c\u00e1c script kh\u00f4ng c\u1ea7n thi\u1ebft (ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c h\u1ed9p b\u00ecnh lu\u1eadn, n\u00fat chia s\u1ebb tr\u00ean m\u1ea1ng x\u00e3 h\u1ed9i) \u2013 nh\u1eefng script kh\u00f4ng c\u1ea7n xu\u1ea5t hi\u1ec7n tr\u00ean trang \u0111\u1ea7u ti\u00ean c\u1ee7a trang web.<\/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

Ch\u1ecdn v\u00e0 tri\u1ec3n khai m\u1ed9t m\u1ea1ng l\u01b0\u1edbi ph\u00e2n ph\u1ed1i n\u1ed9i dung (Content Distribution Network \u2013 CDN).<\/h3>\n\n\n\n

M\u1ea1ng l\u01b0\u1edbi ph\u00e2n ph\u1ed1i n\u1ed9i dung (CDN \u2013 Content Delivery Network) ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch l\u01b0u tr\u1eef c\u00e1c t\u00e0i nguy\u00ean t\u0129nh c\u1ee7a trang web b\u1ea1n (h\u00ecnh \u1ea3nh, CSS, JS, ph\u00f4ng ch\u1eef) tr\u00ean c\u00e1c m\u00e1y ch\u1ee7 \u1edf kh\u1eafp n\u01a1i tr\u00ean th\u1ebf gi\u1edbi. Khi ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp trang web, h\u1ecd s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c nh\u1eefng t\u00e0i nguy\u00ean n\u00e0y t\u1eeb m\u00e1y ch\u1ee7 n\u1eb1m g\u1ea7n nh\u1ea5t v\u1ec1 m\u1eb7t \u0111\u1ecba l\u00fd, gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 tr\u1ec5 v\u00e0 n\u00e2ng cao t\u1ed1c \u0111\u1ed9 truy c\u1eadp tr\u00ean to\u00e0n c\u1ea7u.<\/p>\n\n\n\n

C\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 CDN n\u1ed5i ti\u1ebfng bao g\u1ed3m Cloudflare, KeyCDN v\u00e0 BunnyCDN. Cloudflare c\u00f2n cung c\u1ea5p g\u00f3i d\u1ecbch v\u1ee5 DNS v\u00e0 CDN mi\u1ec5n ph\u00ed, r\u1ea5t ph\u00f9 h\u1ee3p cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u. Vi\u1ec7c t\u00edch h\u1ee3p CDN th\u01b0\u1eddng r\u1ea5t \u0111\u01a1n gi\u1ea3n: ch\u1ec9 c\u1ea7n \u0111\u0103ng k\u00fd d\u1ecbch v\u1ee5, thay \u0111\u1ed5i \u0111\u1ecba ch\u1ec9 DNS c\u1ee7a t\u00ean mi\u1ec1n c\u1ee7a b\u1ea1n sang nh\u00e0 cung c\u1ea5p CDN, sau \u0111\u00f3 c\u1ea5u h\u00ecnh \u0111\u1ecba ch\u1ec9 URL c\u1ee7a CDN trong plugin t\u1ed1i \u01b0u h\u00f3a b\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee7a WordPress l\u00e0 xong.<\/p>\n\n\n\n

T\u1ed1i \u01b0u h\u00f3a giao di\u1ec7n WordPress v\u00e0 c\u00e1c truy v\u1ea5n c\u01a1 b\u1ea3n (core queries)<\/h3>\n\n\n\n

M\u00e3 ngu\u1ed3n c\u1ee7a c\u00e1c ch\u1ee7 \u0111\u1ec1 c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng th\u1ea5p l\u00e0 \u201ck\u1ebb gi\u1ebft ch\u1ebft\u201d \u1ea9n danh c\u1ee7a hi\u1ec7u n\u0103ng (t\u1ee9c l\u00e0 ch\u00fang g\u00e2y \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c \u0111\u1ebfn hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng m\u00e0 ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c). Vi\u1ec7c l\u1ef1a ch\u1ecdn nh\u1eefng ch\u1ee7 \u0111\u1ec1 c\u00f3 m\u00e3 ngu\u1ed3n g\u1ecdn g\u00e0ng v\u00e0 tu\u00e2n theo c\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t l\u00e0 \u0111i\u1ec1u v\u00f4 c\u00f9ng quan tr\u1ecdng. Ngo\u00e0i ra, h\u00e3y tr\u00e1nh s\u1eed d\u1ee5ng c\u00e1c v\u00f2ng l\u1eb7p ph\u1ee9c t\u1ea1p tr\u00ean trang ch\u1ee7 ho\u1eb7c trang danh s\u00e1ch b\u00e0i vi\u1ebft \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c truy v\u1ea5WP_Query<\/code>C\u00e1c tham s\u1ed1 n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t.transient<\/code>(T\u1ea1m th\u1eddi l\u01b0u tr\u1eef d\u1eef li\u1ec7u trong b\u1ed9 nh\u1edb \u0111\u1ec7m) \u0110\u1ec3 l\u01b0u tr\u1eef k\u1ebft qu\u1ea3 truy v\u1ea5n.<\/p>\n

\u0110\u1ecdc th\u00eam H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 t\u1ed1i \u01b0u t\u1ed1c \u0111\u1ed9 trang web WordPress: M\u1eb9o th\u1ef1c t\u1ebf t\u1eeb c\u01a1 b\u1ea3n \u0111\u1ebfn n\u00e2ng cao<\/a>\u3002<\/p>\n\n\n\n\n

\u201cCheck the topic\u201dfunctions.php<\/code>H\u00e3y lo\u1ea1i b\u1ecf ho\u1eb7c t\u1ed1i \u01b0u h\u00f3a nh\u1eefng \u0111o\u1ea1n m\u00e3 ch\u1ee9a c\u00e1c script v\u00e0 style kh\u00f4ng c\u1ea7n thi\u1ebft. V\u00ed d\u1ee5, n\u1ebfu m\u1ed9t giao di\u1ec7n (theme) t\u1ea3i s\u1eb5n c\u00e1c style c\u1ee7a tr\u00ecnh so\u1ea1n th\u1ea3o Gutenberg m\u1eb7c \u0111\u1ecbnh, nh\u01b0ng trang web c\u1ee7a b\u1ea1n kh\u00f4ng s\u1eed d\u1ee5ng ch\u00fang, b\u1ea1n c\u00f3 th\u1ec3 v\u00f4 hi\u1ec7u h\u00f3a ch\u00fang b\u1eb1ng c\u00e1ch th\u00eam \u0111o\u1ea1n m\u00e3 sau:<\/p>\n\n\n\n

\/\/ \u4ece\u4e3b\u9898\u524d\u7aef\u79fb\u9664Gutenberg\u6837\u5f0f\nfunction 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 s\u00e2u r\u1ed9ng cho m\u00e1y ch\u1ee7 v\u00e0 m\u00f4i tr\u01b0\u1eddng l\u01b0u tr\u1eef (server and hosting environment)<\/h2>\n\n\n\n
M\u00f4i tr\u01b0\u1eddng l\u01b0u tr\u1eef trang web ch\u00ednh l\u00e0 gi\u1edbi h\u1ea1n t\u1ed1i \u0111a \u0111\u1ed1i v\u1edbi hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3. M\u1ed9t m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh kh\u00f4ng \u0111\u00fang c\u00e1ch s\u1ebd khi\u1ebfn trang web, d\u00f9 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a \u0111\u1ebfn m\u1ee9c n\u00e0o, c\u0169ng kh\u00f4ng th\u1ec3 ph\u00e1t huy h\u1ebft ti\u1ec1m n\u0103ng c\u1ee7a m\u00ecnh.<\/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
N\u00e2ng c\u1ea5p m\u00e1y ch\u1ee7 hi\u1ec7u su\u1ea5t cao v\u00e0 phi\u00ean b\u1ea3n PHP<\/h3>\n\n\n\n
Gi\u00e1 c\u1ee7a c\u00e1c m\u00e1y ch\u1ee7 chia s\u1ebb kh\u00e1 r\u1ebb, nh\u01b0ng c\u1ea1nh tranh v\u1ec1 t\u00e0i nguy\u00ean r\u1ea5t kh\u1ed1c li\u1ec7t, v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng b\u1ecb gi\u1edbi h\u1ea1n v\u1ec1 hi\u1ec7u n\u0103ng r\u1ea5t r\u00f5 r\u1ec7t. \u0110\u1ed1i v\u1edbi nh\u1eefng trang web c\u00f3 l\u01b0\u1ee3ng truy c\u1eadp \u1ed5n \u0111\u1ecbnh, vi\u1ec7c n\u00e2ng c\u1ea5p l\u00ean m\u00e1y ch\u1ee7 chuy\u00ean d\u1ee5ng cho WordPress, VPS ho\u1eb7c m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y l\u00e0 m\u1ed9t kho\u1ea3n \u0111\u1ea7u t\u01b0 \u0111\u00e1ng gi\u00e1. Nh\u1eefng m\u00f4i tr\u01b0\u1eddng n\u00e0y th\u01b0\u1eddng cung c\u1ea5p b\u1ed9 c\u00f4ng c\u1ee5 ph\u1ea7n m\u1ec1m \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho WordPress (nh\u01b0 Nginx, LiteSpeed), b\u1ed9 l\u01b0u tr\u1eef nhanh h\u01a1n (NVMe SSD) v\u00e0 c\u00e1c c\u01a1 ch\u1ebf l\u01b0u tr\u1eef \u0111\u1ec7m (cache) ti\u00ean ti\u1ebfn h\u01a1n.<\/p>\n\n\n\n
\u0110\u1ed3ng th\u1eddi, h\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n \u0111ang ch\u1ea1y phi\u00ean b\u1ea3n PHP m\u1edbi nh\u1ea5t. C\u00e1c phi\u00ean b\u1ea3n PHP 7.4 tr\u1edf l\u00ean mang l\u1ea1i s\u1ef1 c\u1ea3i thi\u1ec7n hi\u1ec7u n\u0103ng g\u1ea5p nhi\u1ec1u l\u1ea7n so v\u1edbi PHP 5.6. PHP 8.0 tr\u1edf l\u00ean c\u00f2n \u0111\u01b0\u1ee3c trang b\u1ecb tr\u00ecnh bi\u00ean d\u1ecbch JIT (Just-In-Time Compiler), gi\u00fap n\u00e2ng cao hi\u1ec7u n\u0103ng th\u00eam n\u1eefa. B\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng thay \u0111\u1ed5i phi\u00ean b\u1ea3n PHP trong b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n m\u00e1y ch\u1ee7.<\/p>\n\n\n\n
C\u1ea5u h\u00ecnh \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u1ec7m (object caching) v\u00e0 OPcache<\/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, mang l\u1ea1i hi\u1ec7u qu\u1ea3 r\u1ea5t \u0111\u00e1ng k\u1ec3 \u0111\u1ed1i v\u1edbi c\u00e1c trang web c\u00f3 l\u01b0\u1ee3ng truy c\u1eadp cao ho\u1eb7c ch\u1ee9a nhi\u1ec1u n\u1ed9i dung \u0111\u1ed9ng. Redis v\u00e0 Memcached l\u00e0 hai h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef \u0111\u1ed1i t\u01b0\u1ee3ng ph\u1ed5 bi\u1ebfn. Nhi\u1ec1u m\u00e1y ch\u1ee7 qu\u1ea3n l\u00fd \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t s\u1eb5n c\u00e1c d\u1ecbch v\u1ee5 n\u00e0y.<\/p>\n\n\n\n
\u0110\u1ec3 k\u00edch ho\u1ea1t ch\u1ee9c n\u0103ng l\u01b0u tr\u1eef d\u1eef li\u1ec7u trong b\u1ed9 nh\u1edb \u0111\u1ed1i t\u01b0\u1ee3ng Redis, b\u1ea1n c\u1ea7n c\u00e0i \u0111\u1eb7t Redis tr\u00ean m\u00e1y ch\u1ee7 c\u00f9ng v\u1edbi ti\u1ec7n \u00edch m\u1edf r\u1ed9ng PHP t\u01b0\u01a1ng \u1ee9ng (ch\u1eb3ng h\u1ea1n: php-redis), sau \u0111\u00f3 \u0111i\u1ec1u ch\u1ec9nh c\u1ea5u h\u00ecnh trong WordPress.wp-config.php<\/code>Th\u00eam c\u1ea5u h\u00ecnh v\u00e0o t\u1ec7p tin:<\/p>\n\n\n\n
\/\/ \u5728wp-config.php\u4e2d\u914d\u7f6eRedis\ndefine('WP_REDIS_HOST', '127.0.0.1');\ndefine('WP_REDIS_PORT', 6379);\ndefine('WP_REDIS_TIMEOUT', 1);\ndefine('WP_REDIS_READ_TIMEOUT', 1);\n\/\/ \u53ef\u9009\uff1a\u4e3a\u591a\u7ad9\u70b9\u6216\u533a\u5206\u73af\u5883\u8bbe\u7f6e\u524d\u7f00\ndefine('WP_REDIS_PREFIX', 'wp_my_site_');<\/code><\/pre>\n\n\n\n
Ngo\u00e0i ra, h\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng OPcache (b\u1ed9 \u0111\u1ec7m m\u00e3 bytecode t\u00edch h\u1ee3p trong PHP) \u0111\u00e3 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t v\u00e0 c\u1ea5u h\u00ecnh \u0111\u00fang c\u00e1ch; \u0111i\u1ec1u n\u00e0y s\u1ebd gi\u00fap tr\u00e1nh vi\u1ec7c c\u00e1c script PHP ph\u1ea3i \u0111\u01b0\u1ee3c bi\u00ean d\u1ecbch l\u1ea1i m\u1ed7i l\u1ea7n ch\u00fang \u0111\u01b0\u1ee3c th\u1ef1c thi.<\/p>\n\n\n\n
Thi\u1ebft l\u1eadp l\u1ea1i c\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7 web<\/h3>\n\n\n\n
\u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi d\u00f9ng c\u00f3 kh\u1ea3 n\u0103ng qu\u1ea3n l\u00fd m\u00e1y ch\u1ee7, vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh c\u1ea5u h\u00ecnh c\u00e1c m\u00e1y ch\u1ee7 web (nh\u01b0 Nginx ho\u1eb7c Apache) c\u00f3 th\u1ec3 mang l\u1ea1i nh\u1eefng l\u1ee3i \u00edch b\u1ed5 sung. V\u00ed d\u1ee5, trong Nginx, b\u1ea1n c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp c\u00e1c th\u00f4ng tin v\u1ec1 th\u1eddi h\u1ea1n h\u1ebft h\u1ea1n (expiration headers) d\u00e0i cho c\u00e1c t\u00e0i nguy\u00ean t\u0129nh, k\u00edch ho\u1ea1t ch\u1ee9c n\u0103ng n\u00e9n d\u1eef li\u1ec7u b\u1eb1ng Gzip ho\u1eb7c c\u00f4ng ngh\u1ec7 n\u00e9n hi\u1ec7u qu\u1ea3 h\u01a1n l\u00e0 Brotli. \u0110\u1ed1i v\u1edbi Apache, vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a c\u1ea5u h\u00ecnh c\u0169ng r\u1ea5t quan tr\u1ecdng..htaccess<\/code>C\u00e1c quy t\u1eafc trong t\u1ec7p tin, \u0111\u1eb7c bi\u1ec7t l\u00e0 vi\u1ec7c k\u00edch ho\u1ea1t ch\u1ee9c n\u0103ng k\u1ebft n\u1ed1i Keep-Alive, c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m b\u1edbt t\u1ea3i \u0111\u1ed1i v\u1edbi m\u00e1y ch\u1ee7 v\u00e0 gi\u1ea3m \u0111\u1ed9 tr\u1ec5 m\u1ea1ng.<\/p>\n\n\n\n
Quy tr\u00ecnh gi\u00e1m s\u00e1t, ph\u00e2n t\u00edch v\u00e0 b\u1ea3o tr\u00ec li\u00ean t\u1ee5c<\/h2>\n\n\n\n
T\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t c\u00f4ng vi\u1ec7c di\u1ec5n ra m\u1ed9t l\u1ea7n duy nh\u1ea5t, m\u00e0 l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh li\u00ean t\u1ee5c. Vi\u1ec7c thi\u1ebft l\u1eadp c\u00e1c quy tr\u00ecnh gi\u00e1m s\u00e1t v\u00e0 b\u1ea3o tr\u00ec s\u1ebd gi\u00fap b\u1ea1n c\u1ee7ng c\u1ed1 nh\u1eefng k\u1ebft qu\u1ea3 \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1eeb c\u00e1c bi\u1ec7n ph\u00e1p t\u1ed1i \u01b0u h\u00f3a, \u0111\u1ed3ng th\u1eddi ph\u00e1t hi\u1ec7n k\u1ecbp th\u1eddi nh<\/p>\n\n\n\n
S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 chuy\u00ean nghi\u1ec7p \u0111\u1ec3 th\u1ef1c hi\u1ec7n ki\u1ec3m th\u1eed hi\u1ec7u n\u0103ng.<\/h3>\n\n\n\n
H\u00e3y th\u01b0\u1eddng xuy\u00ean s\u1eed d\u1ee5ng nhi\u1ec1u c\u00f4ng c\u1ee5 kh\u00e1c nhau \u0111\u1ec3 ki\u1ec3m th\u1eed trang web c\u1ee7a b\u1ea1n, nh\u1eb1m c\u00f3 \u0111\u01b0\u1ee3c c\u00e1i nh\u00ecn to\u00e0n di\u1ec7n v\u1ec1 hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3. Google PageSpeed Insights cung c\u1ea5p \u0111i\u1ec3m s\u1ed1 \u0111\u00e1nh gi\u00e1 d\u1ef1a tr\u00ean c\u00e1c ch\u1ec9 s\u1ed1 Core Web Vitals c\u00f9ng c\u00e1c g\u1ee3i \u00fd c\u1ea3i thi\u1ec7n. GTmetrix cho ph\u00e9p b\u1ea1n th\u1ef1c hi\u1ec7n c\u00e1c b\u00e0i ki\u1ec3m th\u1eed t\u1eeb nhi\u1ec1u \u0111\u1ecba \u0111i\u1ec3m kh\u00e1c nhau v\u00e0 hi\u1ec3n th\u1ecb c\u00e1c bi\u1ec3u \u0111\u1ed3 ph\u00e2n t\u00edch chi ti\u1ebft v\u1ec1 qu\u00e1 tr\u00ecnh truy c\u1eadp trang web. WebPageTest l\u1ea1i mang \u0111\u1ebfn nhi\u1ec1u t\u00f9y ch\u1ecdn ki\u1ec3m th\u1eed t\u00f9y ch\u1ec9nh h\u01a1n, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c th\u1eed nghi\u1ec7m ph\u1ee9c t\u1ea1p g\u1ed3m nhi\u1ec1u b\u01b0\u1edbc ho\u1eb7c vi\u1ec7c thi\u1ebft l\u1eadp c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u1ea1ng ri\u00eang bi\u1ec7t.<\/p>\n\n\n\n
H\u00e3y ph\u00e2n t\u00edch c\u00e1c b\u00e1o c\u00e1o n\u00e0y, t\u1eadp trung v\u00e0o ba ch\u1ec9 s\u1ed1 trang web ch\u00ednh l\u00e0 \u201cK\u00edch th\u01b0\u1edbc n\u1ed9i dung l\u1edbn nh\u1ea5t \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb\u201d (Maximum Content Size), \u201cTh\u1eddi gian tr\u00ec ho\u00e3n khi ng\u01b0\u1eddi d\u00f9ng nh\u1eadp d\u1eef li\u1ec7u l\u1ea7n \u0111\u1ea7u\u201d (First Input Delay), v\u00e0 \u201c\u0110\u1ed9 l\u1ec7ch trong b\u1ed1 c\u1ee5c trang web theo th\u1eddi gian\u201d (Cumulative Layout Offset). Sau \u0111\u00f3, h\u00e3y gi\u1ea3i quy\u1ebft t\u1eebng v\u1ea5n \u0111\u1ec1 \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp trong ph\u1ea7n \u201cC\u01a1 h\u1ed9i\u201d (Opportunities)<\/p>\n\n\n\n
Thi\u1ebft l\u1eadp c\u01a1 ch\u1ebf gi\u00e1m s\u00e1t v\u00e0 c\u1ea3nh b\u00e1o theo th\u1eddi gian th\u1ef1c<\/h3>\n\n\n\n
\u0110\u1ed1i v\u1edbi c\u00e1c trang web c\u00f3 t\u1ea7m quan tr\u1ecdng l\u1edbn \u0111\u1ed1i v\u1edbi ho\u1ea1t \u0111\u1ed9ng kinh doanh, vi\u1ec7c gi\u00e1m s\u00e1t th\u1eddi gian th\u1ef1c l\u00e0 \u0111i\u1ec1u c\u1ef1c k\u1ef3 c\u1ea7n thi\u1ebft. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 UptimeRobot ho\u1eb7c StatusCake \u0111\u1ec3 theo d\u00f5i t\u00ednh kh\u1ea3 d\u1ee5ng c\u1ee7a trang web v\u00e0 nh\u1eadn c\u1ea3nh b\u00e1o khi x\u1ea3y ra s\u1ef1 c\u1ed1 (\u0111\u00ecnh tr\u1ec7 ho\u1ea1t \u0111\u1ed9ng). Nh\u1eefng c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t hi\u1ec7u n\u0103ng \u1ee9ng d\u1ee5ng chuy\u00ean nghi\u1ec7p h\u01a1n, nh\u01b0 New Relic ho\u1eb7c Query Monitor (ph\u1ea7n m\u1edf r\u1ed9ng cho WordPress), cho ph\u00e9p b\u1ea1n theo d\u00f5i th\u1eddi gian th\u1ef1c c\u00e1c thao t\u00e1c th\u1ef1c thi PHP, c\u00e1c truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u ch\u1eadm, m\u1ee9c ti\u00eau th\u1ee5 b\u1ed9 nh\u1edb, v.v., t\u1eeb \u0111\u00f3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c c\u00e1c \u0111i\u1ec3m ngh\u1ebdn v\u1ec1 hi\u1ec7u n\u0103ng.<\/p>\n\n\n\n
X\u00e2y d\u1ef1ng k\u1ebf ho\u1ea1ch c\u1eadp nh\u1eadt v\u00e0 kh\u00f4i ph\u1ee5c (Update and Rollback Plan)<\/h3>\n\n\n\n
M\u1ed7i l\u1ea7n c\u1eadp nh\u1eadt phi\u00ean b\u1ea3n c\u1ed1t l\u00f5i c\u1ee7a WordPress, c\u00e1c giao di\u1ec7n (theme) ho\u1eb7c c\u00e1c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng (plugin), \u0111\u1ec1u c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a trang web. Do \u0111\u00f3, tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n vi\u1ec7c c\u1eadp nh\u1eadt, b\u1ea1n n\u00ean ti\u1ebfn h\u00e0nh ki\u1ec3m th\u1eed k\u1ef9 l\u01b0\u1ee1ng trong m\u00f4i tr\u01b0\u1eddng th\u1eed nghi\u1ec7m (Staging Environment). H\u1ea7u h\u1ebft c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef web ch\u1ea5t l\u01b0\u1ee3ng cao \u0111\u1ec1u cung c\u1ea5p t\u00ednh n\u0103ng t\u1ea1o trang web th\u1eed nghi\u1ec7m ch\u1ec9 v\u1edbi m\u1ed9t c\u00fa nh\u1ea5p chu\u1ed9t. Sau khi \u0111\u00e3 x\u00e1c nh\u1eadn r\u1eb1ng t\u1ed1c \u0111\u1ed9 truy c\u1eadp v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a trang web ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng trong m\u00f4i tr\u01b0\u1eddng th\u1eed nghi\u1ec7m, h\u00e3y m\u1edbi ti\u1ebfn h\u00e0nh c\u1eadp nh\u1eadt trang web ch\u00ednh th\u1ee9c (Production Site). \u0110\u1ed3ng th\u1eddi, h\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n c\u00f3 m\u1ed9t k\u1ebf ho\u1ea1ch sao l\u01b0u \u0111\u00e1ng tin c\u1eady v\u00e0 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ecbnh k\u1ef3, \u0111\u1ec3 c\u00f3 th\u1ec3 kh\u00f4i ph\u1ee5c trang web m\u1ed9t c\u00e1ch nhanh ch\u00f3ng trong tr\u01b0\u1eddng h\u1ee3p x\u1ea3y ra s\u1ef1 c\u1ed1.<\/p>\n\n\n\n
T\u00f3m l\u1ea1i<\/h2>\n\n\n\n
T\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t trang web WordPress l\u00e0 m\u1ed9t d\u1ef1 \u00e1n h\u1ec7 th\u1ed1ng \u0111a t\u1ea7ng, bao g\u1ed3m t\u1eeb vi\u1ec7c x\u1eed l\u00fd c\u00e1c t\u00e0i nguy\u00ean b\u1ec1 m\u1eb7t \u0111\u1ebfn c\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7 \u1edf c\u1ea5p \u0111\u1ed9 s\u00e2u. T\u1eeb nh\u1eefng thao t\u00e1c \u0111\u01a1n gi\u1ea3n nh\u01b0 n\u00e9n h\u00ecnh \u1ea3nh v\u00e0 k\u00edch ho\u1ea1t ch\u1ee9c n\u0103ng l\u01b0u tr\u1eef \u0111\u1ec7m (cache), \u0111\u1ebfn vi\u1ec7c qu\u1ea3n l\u00fd t\u00e0i nguy\u00ean \u1edf c\u1ea5p \u0111\u1ed9 m\u00e3 ngu\u1ed3n, v\u00e0 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 CDN (Content Delivery Network) v\u00e0 h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef \u0111\u1ec7m d\u1ea1ng \u0111\u1ed1i t\u01b0\u1ee3ng (object caching), m\u1ed7i b\u01b0\u1edbc \u0111\u1ec1u \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean nh\u1eefng b\u01b0\u1edbc tr\u01b0\u1edbc \u0111\u00f3 nh\u1eb1m mang l\u1ea1i tr\u1ea3i nghi\u1ec7m t\u1ea3i trang nhanh ch\u00f3ng v\u00e0 m\u01b0\u1ee3t m\u00e0 cho ng\u01b0\u1eddi d\u00f9ng. H\u00e3y nh\u1edb r\u1eb1ng, t\u1ed1i \u01b0u h\u00f3a l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh li\u00ean t\u1ee5c \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p ho\u00e0n h\u1ea3o m\u1ed9t l\u1ea7n duy nh\u1ea5t. B\u1eb1ng c\u00e1ch tu\u00e2n theo h\u01b0\u1edbng d\u1eabn n\u00e0y v\u00e0 x\u00e2y d\u1ef1ng th\u00f3i quen gi\u00e1m s\u00e1t v\u00e0 ki\u1ec3m th\u1eed th\u01b0\u1eddng xuy\u00ean, b\u1ea1n s\u1ebd \u0111\u1ea3m b\u1ea3o r\u1eb1ng trang web c\u1ee7a m\u00ecnh lu\u00f4n \u1edf tr\u1ea1ng th\u00e1i t\u1ed1t nh\u1ea5t v\u1ec1 m\u1eb7t t\u1ed1c \u0111\u1ed9, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng, t\u1eeb \u0111\u00f3 gi\u00fap b\u1ea1n gi\u00e0nh l\u1ee3i th\u1ebf v\u1eefng ch\u1eafc trong cu\u1ed9c c\u1ea1nh tranh tr\u00ean m\u00f4i tr\u01b0\u1eddng k\u1ef9 thu\u1eadt s\u1ed1.<\/p>\n\n\n\n
FAQ \u5e38\u89c1\u95ee\u9898<\/h2>\n\n\n\n
S\u1eed d\u1ee5ng nhi\u1ec1u plugin t\u0103ng c\u01b0\u1eddng hi\u1ec7u n\u0103ng l\u01b0u tr\u1eef \u0111\u1ec7m (cache) s\u1ebd t\u1ed1t h\u01a1n kh\u00f4ng?<\/h3>\n\n\n\n
Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng n\u00ean k\u00edch ho\u1ea1t c\u00f9ng l\u00fac nhi\u1ec1u ti\u1ec7n \u00edch l\u01b0u tr\u1eef \u0111\u1ec7m (cache plugins) c\u00f3 ch\u1ee9c n\u0103ng gi\u1ed1ng nhau. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra xung \u0111\u1ed9t gi\u1eefa c\u00e1c quy t\u1eafc qu\u1ea3n l\u00fd d\u1eef li\u1ec7u l\u01b0u tr\u1eef, khi\u1ebfn ch\u00fang kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang ch\u1ee9c n\u0103ng, v\u00e0 th\u1eadm ch\u00ed l\u00e0m cho trang web b\u1ecb s\u1eadp. M\u1ed7i ti\u1ec7n \u00edch l\u01b0u tr\u1eef \u0111\u1ec7m.htaccess<\/code>Vi\u1ec7c t\u1ea1o ra c\u00e1c t\u1ec7p tin, ti\u00eau \u0111\u1ec1 HTTP (HTTP headers), v\u00e0 b\u1ed9 nh\u1edb \u0111\u1ec7m (cache) c\u00f9ng l\u00fac, \u0111\u1eb7c bi\u1ec7t khi ch\u1ea1y nhi\u1ec1u ti\u1ebfn tr\u00ecnh (process) c\u00f9ng l\u00fac, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn nh\u1eefng h\u1eadu qu\u1ea3 kh\u00f4ng th\u1ec3 l\u01b0\u1eddng tr\u01b0\u1edbc \u0111\u01b0\u1ee3c. H\u00e3y ch\u1ecdn m\u1ed9t plugin c\u00f3 t\u00ednh n\u0103ng \u0111\u1ea7y \u0111\u1ee7 v\u00e0 c\u1ea5u h\u00ecnh n\u00f3 m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c<\/p>\n\n\n\n
T\u1ea1i sao sau khi t\u1ed1i \u01b0u h\u00f3a, \u0111i\u1ec3m s\u1ed1 c\u1ee7a Google PageSpeed Insights v\u1eabn kh\u00f4ng cao?<\/h3>\n\n\n\n
\u0110i\u1ec3m s\u1ed1 t\u1eeb PageSpeed Insights, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi phi\u00ean b\u1ea3n d\u00e0nh cho thi\u1ebft b\u1ecb di \u0111\u1ed9ng, \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 theo nh\u1eefng ti\u00eau chu\u1ea9n r\u1ea5t nghi\u00eam ng\u1eb7t. \u0110\u00f4i khi, m\u1eb7c d\u00f9 t\u1ed1c \u0111\u1ed9 t\u1ea3i trang th\u1ef1c t\u1ebf r\u1ea5t nhanh, \u0111i\u1ec3m s\u1ed1 v\u1eabn c\u00f3 th\u1ec3 kh\u00f4ng nh\u01b0 mong \u0111\u1ee3i. H\u00e3y ch\u00fa \u00fd nhi\u1ec1u h\u01a1n \u0111\u1ebfn nh\u1eefng g\u1ee3i \u00fd c\u1ee5 th\u1ec3 v\u1ec1 c\u00e1ch c\u1ea3i thi\u1ec7n (ch\u1eb3ng h\u1ea1n nh\u01b0 \u201cgi\u1ea3m b\u1edbt JavaScript kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng\u201d, \u201cs\u1eed d\u1ee5ng h\u00ecnh \u1ea3nh c\u00f3 k\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p\u201d) c\u0169ng nh\u01b0 c\u00e1c ch\u1ec9 s\u1ed1 c\u1ed1t l\u00f5i li\u00ean quan \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng. N\u1ebfu c\u00e1c ch\u1ec9 s\u1ed1 LCP, FID, v\u00e0CLS \u0111\u1ec1u n\u1eb1m trong ph\u1ea1m vi \u201ct\u1ed1t\u201d, th\u00ec tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng l\u00e0 r\u1ea5t t\u1ed1t; b\u1ea1n kh\u00f4ng c\u1ea7n qu\u00e1 lo l\u1eafng v\u1ec1 \u0111i\u1ec3m s\u1ed1 theo thang \u0111i\u1ec3m ph\u1ea7n tr\u0103m \u0111\u00f3.<\/p>\n\n\n\n
T\u1ea7n su\u1ea5t d\u1ecdn d\u1eb9p c\u01a1 s\u1edf d\u1eef li\u1ec7u n\u00ean l\u00e0 bao l\u00e2u m\u1ed9t l\u1ea7n?<\/h3>\n\n\n\n
\u0110i\u1ec1u n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o t\u1ea7n su\u1ea5t c\u1eadp nh\u1eadt trang web c\u1ee7a b\u1ea1n. \u0110\u1ed1i v\u1edbi c\u00e1c blog ho\u1eb7c trang tin t\u1ee9c c\u00f3 nhi\u1ec1u n\u1ed9i dung \u0111\u01b0\u1ee3c \u0111\u0103ng m\u1edbi, c\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i d\u1ecdn d\u1eb9p b\u1ed9 \u0111\u1ec7m t\u1ea1m th\u1eddi (transient cache) v\u00e0 c\u00e1c phi\u00ean b\u1ea3n \u0111\u00e3 s\u1eeda \u0111\u1ed5i m\u1ed7i th\u00e1ng m\u1ed9t l\u1ea7n. \u0110\u1ed1i v\u1edbi c\u00e1c trang web th\u01b0\u01a1ng m\u1ea1i v\u1edbi t\u1ea7n su\u1ea5t c\u1eadp nh\u1eadt th\u1ea5p, vi\u1ec7c d\u1ecdn d\u1eb9p m\u1ed7i qu\u00fd m\u1ed9t l\u1ea7n c\u00f3 l\u1ebd l\u00e0 \u0111\u1ee7. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i sao l\u01b0u d\u1eef li\u1ec7u tr\u01b0\u1edbc m\u1ed7i l\u1ea7n d\u1ecdn d\u1eb9p v\u00e0 s\u1eed d\u1ee5ng c\u00e1c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng (plugins) \u0111\u00e1ng tin c\u1eady \u0111\u1ec3 tr\u00e1nh x\u00f3a nh\u1ea7m d\u1eef li\u1ec7u quan tr\u1ecdng. B\u1ea1n c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp c\u00e1c quy tr\u00ecnh n\u00e0y theo nhu c\u1ea7u c\u1ee7aWP-Optimize<\/code>C\u00e1c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng (plugin) \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n vi\u1ec7c d\u1ecdn d\u1eb9p (cleaning) m\u1ed9t c\u00e1ch t\u1ef1 \u0111\u1ed9ng theo k\u1ebf ho\u1ea1ch \u0111\u00e3 \u0111\u1ecbnh.<\/p>\n\n\n\n
C\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t cho m\u00e1y ch\u1ee7 mi\u1ec5n ph\u00ed m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 kh\u00f4ng?<\/h3>\n\n\n\n
Vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a m\u1ed9t trang web m\u1ed9t c\u00e1ch s\u00e2u r\u1ed9ng tr\u00ean c\u00e1c m\u00e1y ch\u1ee7 mi\u1ec5n ph\u00ed l\u00e0 r\u1ea5t kh\u00f3 kh\u0103n, do nh\u1eefng h\u1ea1n ch\u1ebf v\u1ec1 t\u00e0i nguy\u00ean (CPU, b\u1ed9 nh\u1edb, I\/O) r\u1ea5t nghi\u00eam ng\u1eb7t, v\u00e0 th\u01b0\u1eddng kh\u00f4ng cho ph\u00e9p b\u1ea1n thay \u0111\u1ed5i c\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7 (ch\u1eb3ng h\u1ea1n nh\u01b0 phi\u00ean b\u1ea3n PHP, c\u00e1c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t). B\u1ea1n ch\u1ec9 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n m\u1ed9t s\u1ed1 bi\u1ec7n ph\u00e1p t\u1ed1i \u01b0u h\u00f3a c\u01a1 b\u1ea3n nh\u01b0 n\u00e9n h\u00ecnh \u1ea3nh, s\u1eed d\u1ee5ng giao di\u1ec7n (theme) nh\u1eb9, v\u00e0 gi\u1ea3m thi\u1ec3u vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c ti\u1ec7n \u00edch b\u1ed5 sung (plugin). \u0110\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 trang web n\u00e0o c\u00f3 y\u00eau c\u1ea7u nghi\u00eam ng\u1eb7t v\u1ec1 hi\u1ec7u su\u1ea5t, vi\u1ec7c \u0111\u1ea7u t\u01b0 v\u00e0o m\u1ed9t d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef tr\u1ea3 ph\u00ed \u0111\u00e1ng tin c\u1eady l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean v\u00e0 quan tr\u1ecdng nh\u1ea5t \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u n\u0103ng c\u1ee7a trang web \u0111\u00f3.<\/p>","protected":false},"excerpt":{"rendered":"
B\u00e0i vi\u1ebft n\u00e0y tr\u00ecnh b\u00e0y m\u1ed9t c\u00e1ch h\u1ec7 th\u1ed1ng to\u00e0n b\u1ed9 c\u00e1c bi\u1ec7n ph\u00e1p \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t trang web WordPress. B\u1eaft \u0111\u1ea7u t\u1eeb nh\u1eefng vi\u1ec7c c\u01a1 b\u1ea3n nh\u01b0 t\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh, c\u1ea5u h\u00ecnh chi\u1ebfn l\u01b0\u1ee3c l\u01b0u tr\u1eef \u0111\u1ec7m (cache) v\u00e0 d\u1ecdn d\u1eb9p c\u01a1 s\u1edf d\u1eef li\u1ec7u, sau \u0111\u00f3 ti\u1ebfn d\u1ea7n \u0111\u1ebfn c\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u00e2ng cao h\u01a1n nh\u01b0 h\u1ee3p nh\u1ea5t c\u00e1c t\u00e0i nguy\u00ean, tri\u1ec3n khai d\u1ecbch v\u1ee5 CDN (Content Delivery Network) v\u00e0 t\u1ed1i \u01b0u h\u00f3a \u1edf c\u1ea5p \u0111\u1ed9 m\u00e3 ngu\u1ed3n. M\u1ee5c \u0111\u00edch l\u00e0 gi\u00fap c\u00e1c qu\u1ea3n tr\u1ecb vi\u00ean x\u00e2y d\u1ef1ng nh\u1eefng trang web nhanh ch\u00f3ng, \u0111\u00e1ng tin c\u1eady, t\u1eeb \u0111\u00f3 n\u00e2ng cao tr\u1ea3i nghi\u1ec7m<\/p>","protected":false},"author":7,"featured_media":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[400,2081,424,361,421],"knowledge_category":[280],"class_list":["post-12377416","knowledge_post","type-knowledge_post","status-publish","hentry","tag-wordpress-optimization","tag-2081","tag-database-cleanup","tag-cache-strategy","tag-website-performance","knowledge_category-wordpress"],"acf":{"site_seo_keywords":"WordPress\u6027\u80fd\u4f18\u5316,\u7f51\u7ad9\u901f\u5ea6\u63d0\u5347,\u7f13\u5b58\u914d\u7f6e,\u56fe\u50cf\u538b\u7f29,CDN,\u6570\u636e\u5e93\u6e05\u7406,\u61d2\u52a0\u8f7d,SEO\u6392\u540d\u4f18\u5316"},"_links":{"self":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12377416","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\/12377416\/revisions"}],"predecessor-version":[{"id":12403753,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12377416\/revisions\/12403753"}],"wp:attachment":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/media?parent=12377416"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/tags?post=12377416"},{"taxonomy":"knowledge_category","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_category?post=12377416"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}