{"id":12356954,"date":"2026-03-09T22:14:34","date_gmt":"2026-03-09T14:14:34","guid":{"rendered":"https:\/\/www.likacloud.com\/knowledge\/wordpress-%e7%bd%91%e7%ab%99%e9%80%9f%e5%ba%a6%e4%bc%98%e5%8c%96%e7%9a%84%e5%ae%8c%e6%95%b4%e6%8c%87%e5%8d%97%ef%bc%9a%e4%bb%8e%e5%85%a5%e9%97%a8%e5%88%b0%e7%b2%be%e9%80%9a\/"},"modified":"2026-06-03T20:36:28","modified_gmt":"2026-06-03T12:36:28","slug":"wordpress-website-speed-optimization-complete-guide-e7-9f-a5-e8-af-86","status":"publish","type":"knowledge_post","link":"https:\/\/www.likacloud.com\/vi\/knowledge\/wordpress\/wordpress-website-speed-optimization-complete-guide-e7-9f-a5-e8-af-86\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 t\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 trang web WordPress: T\u1eeb c\u01a1 b\u1ea3n \u0111\u1ebfn n\u00e2ng cao"},"content":{"rendered":"

Trong m\u00f4i tr\u01b0\u1eddng Internet ng\u00e0y nay, t\u1ed1c \u0111\u1ed9 t\u1ea3i 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 t\u1ef7 l\u1ec7 chuy\u1ec3n \u0111\u1ed5i. M\u1ed9t trang web WordPress t\u1ea3i ch\u1eadm s\u1ebd tr\u1ef1c ti\u1ebfp d\u1eabn \u0111\u1ebfn vi\u1ec7c kh\u00e1ch truy c\u1eadp r\u1eddi \u0111i v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a trang web tr\u00ean c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm nh\u01b0 Google. May m\u1eafn thay, d\u00f9 b\u1ea1n l\u00e0 ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u hay m\u1ed9t nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 kinh nghi\u1ec7m, b\u1ea1n \u0111\u1ec1u c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 hi\u1ec7u su\u1ea5t trang web th\u00f4ng qua m\u1ed9t lo\u1ea1t c\u00e1c bi\u1ec7n ph\u00e1p t\u1ed1i \u01b0u h\u00f3a c\u00f3 h\u1ec7 th\u1ed1ng. H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd cung c\u1ea5p cho b\u1ea1n con \u0111\u01b0\u1eddng ho\u00e0n ch\u1ec9nh t\u1eeb c\u00e1c b\u01b0\u1edbc ki\u1ec3m tra c\u01a1 b\u1ea3n \u0111\u1ebfn c\u00e1c bi\u1ec7n ph\u00e1p t\u1ed1i \u01b0u h\u00f3a n\u00e2ng cao.<\/p>\n\n\n\n

T\u1ea1i sao t\u1ed1c \u0111\u1ed9 trang web l\u1ea1i c\u1ef1c k\u1ef3 quan tr\u1ecdng<\/h2>\n\n\n\n

Tr\u01b0\u1edbc khi \u0111i s\u00e2u v\u00e0o c\u00e1c chi ti\u1ebft k\u1ef9 thu\u1eadt, ch\u00fang ta c\u1ea7n hi\u1ec3u r\u00f5 nh\u1eefng \u0111\u1ed9ng l\u1ef1c c\u1ed1t l\u00f5i \u0111\u1eb1ng sau vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 trang web. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t nhu c\u1ea7u v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt, m\u00e0 c\u00f2n l\u00e0 n\u1ec1n t\u1ea3ng quan tr\u1ecdng cho s\u1ef1 th\u00e0nh c\u00f4ng c\u1ee7a doanh nghi\u1ec7p.<\/p>\n\n\n\n

T\u1ed1c \u0111\u1ed9 trang web \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn \u1ea5n t\u01b0\u1ee3ng \u0111\u1ea7u ti\u00ean c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 h\u00e0nh vi c\u1ee7a h\u1ecd sau \u0111\u00f3. C\u00e1c nghi\u00ean c\u1ee9u cho th\u1ea5y r\u1eb1ng n\u1ebfu th\u1eddi gian t\u1ea3i trang v\u01b0\u1ee3t qu\u00e1 3 gi\u00e2y, h\u01a1n m\u1ed9t n\u1eeda s\u1ed1 ng\u01b0\u1eddi d\u00f9ng di \u0111\u1ed9ng s\u1ebd quy\u1ebft \u0111\u1ecbnh r\u1eddi trang web \u0111\u00f3. T\u1ef7 l\u1ec7 tho\u00e1t trang cao nh\u01b0 v\u1eady s\u1ebd g\u1eedi \u0111i nh\u1eefng t\u00edn hi\u1ec7u ti\u00eau c\u1ef1c \u0111\u1ebfn c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm, cho th\u1ea5y trang web kh\u00f4ng cung c\u1ea5p tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng t\u1ed1t.<\/p>\n

\u0110\u1ecdc th\u00eam T\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 t\u1ea3i trang WordPress: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n t\u1eeb c\u01a1 b\u1ea3n \u0111\u1ebfn n\u00e2ng cao<\/a>\u3002<\/p>\n\n\n\n\n

T\u1eeb g\u00f3c \u0111\u1ed9 t\u1ed1i \u01b0u h\u00f3a c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm (SEO), Google \u0111\u00e3 coi t\u1ed1c \u0111\u1ed9 trang web l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng trong thu\u1eadt to\u00e1n x\u1ebfp h\u1ea1ng c\u1ee7a m\u00ecnh t\u1eeb l\u00e2u, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong l\u0129nh v\u1ef1c t\u00ecm ki\u1ebfm tr\u00ean di \u0111\u1ed9ng. M\u1ed9t trang web c\u00f3 t\u1ed1c \u0111\u1ed9 t\u1ea3i nhanh s\u1ebd d\u1ec5 d\u00e0ng \u0111\u1ea1t \u0111\u01b0\u1ee3c v\u1ecb tr\u00ed cao h\u01a1n tr\u00ean b\u1ea3ng x\u1ebfp h\u1ea1ng, t\u1eeb \u0111\u00f3 thu h\u00fat \u0111\u01b0\u1ee3c nhi\u1ec1u l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp t\u1ef1 nhi\u00ean h\u01a1n.<\/p>\n\n\r\n

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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
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Ngo\u00e0i ra, hi\u1ec7u su\u1ea5t trang web c\u00f3 m\u1ed1i li\u00ean h\u1ec7 m\u1eadt thi\u1ebft v\u1edbi t\u1ef7 l\u1ec7 chuy\u1ec3n \u0111\u1ed5i kinh doanh. \u0110\u1ed1i v\u1edbi c\u00e1c trang web th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed, m\u1ed7i gi\u00e2y ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c trong th\u1eddi gian t\u1ea3i trang \u0111\u1ec1u c\u00f3 th\u1ec3 gi\u00fap t\u0103ng doanh s\u1ed1 b\u00e1n h\u00e0ng \u0111\u00e1ng k\u1ec3. M\u1ed9t trang web t\u1ea3i nhanh s\u1ebd gi\u1ea3m t\u1ef7 l\u1ec7 ng\u01b0\u1eddi d\u00f9ng b\u1ecf qua gi\u1ecf h\u00e0ng, t\u1eeb \u0111\u00f3 t\u0103ng kh\u1ea3 n\u0103ng h\u1ecd ho\u00e0n t\u1ea5t vi\u1ec7c mua s\u1eafm, \u0111\u0103ng k\u00fd ho\u1eb7c g\u1eedi bi\u1ec3u m\u1eabu li\u00ean h\u1ec7.<\/p>\n\n\n\n

Ch\u1ea9n \u0111o\u00e1n c\u01a1 b\u1ea3n v\u00e0 \u0111\u00e1nh gi\u00e1 hi\u1ec7u n\u0103ng<\/h2>\n\n\n\n

H\u00e0nh tr\u00ecnh t\u1ed1i \u01b0u h\u00f3a b\u1eaft \u0111\u1ea7u v\u1edbi m\u1ed9t ch\u1ea9n \u0111o\u00e1n ch\u00ednh x\u00e1c. Tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n b\u1ea5t k\u1ef3 thay \u0111\u1ed5i n\u00e0o, b\u1ea1n c\u1ea7n hi\u1ec3u r\u00f5 t\u00ecnh tr\u1ea1ng hi\u1ec7n t\u1ea1i c\u1ee7a trang web.<\/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 tra t\u1ed1c \u0111\u1ed9.<\/h3>\n\n\n\n

\u0110\u1eebng d\u1ef1a v\u00e0o c\u1ea3m nh\u1eadn ch\u1ee7 quan \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 t\u1ed1c \u0111\u1ed9 truy c\u1eadp c\u1ee7a m\u1ed9t trang web. H\u00e3y s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 mi\u1ec5n ph\u00ed nh\u01b0 Google PageSpeed Insights, GTmetrix ho\u1eb7c WebPageTest \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c b\u00e0i ki\u1ec3m tra kh\u00e1ch quan. Nh\u1eefng c\u00f4ng c\u1ee5 n\u00e0y s\u1ebd \u0111o l\u01b0\u1eddng hi\u1ec7u su\u1ea5t trang web c\u1ee7a b\u1ea1n t\u1eeb nhi\u1ec1u \u0111\u1ecba \u0111i\u1ec3m v\u00e0 m\u00f4i tr\u01b0\u1eddng m\u1ea1ng kh\u00e1c nhau, cung c\u1ea5p b\u00e1o c\u00e1o chi ti\u1ebft v\u1ec1 c\u00e1c ch\u1ec9 s\u1ed1 quan tr\u1ecdng nh\u01b0 th\u1eddi gian t\u1ea3i trang, th\u1eddi gian ph\u1ea3n h\u1ed3i (t\u1eeb l\u00fac trang b\u1eaft \u0111\u1ea7u hi\u1ec3n th\u1ecb cho \u0111\u1ebfn khi nh\u1eadn \u0111\u01b0\u1ee3c d\u1eef li\u1ec7u \u0111\u1ea7u ti\u00ean), t\u1ed5ng th\u1eddi gian ch\u1edd \u0111\u1ee3i, v\u00e0 ch\u1ec9 ra nh\u1eefng v\u1ea5n \u0111\u1ec1 c\u1ee5 th\u1ec3.<\/p>\n\n\n\n

Ph\u00e2n t\u00edch c\u00e1c ch\u1ec9 s\u1ed1 web c\u1ed1t l\u00f5i<\/h3>\n\n\n\n

Tr\u1ecdng t\u00e2m c\u1ee7a vi\u1ec7c \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t hi\u1ec7n \u0111\u1ea1i l\u00e0 c\u00e1c \u201cCh\u1ec9 s\u1ed1 Web c\u1ed1t l\u00f5i\u201d do Google \u0111\u1ec1 xu\u1ea5t. B\u1ea1n c\u1ea7n ch\u00fa \u00fd \u0111\u1eb7c bi\u1ec7t \u0111\u1ebfn ba ch\u1ec9 s\u1ed1 sau:
\n1. Th\u1eddi gian hi\u1ec3n th\u1ecb n\u1ed9i dung ch\u00ednh: \u0110\u00e2y l\u00e0 th\u1eddi gian c\u1ea7n thi\u1ebft \u0111\u1ec3 to\u00e0n b\u1ed9 n\u1ed9i dung ch\u00ednh c\u1ee7a trang web \u0111\u01b0\u1ee3c t\u1ea3i xu\u1ed1ng v\u00e0 hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh. M\u1ee9c l\u00fd t\u01b0\u1edfng l\u00e0 d\u01b0\u1edbi 2,5 gi\u00e2y.
\n2. \u0110\u1ed9 tr\u1ec5 khi nh\u1eadp l\u1ea7n \u0111\u1ea7u ti\u00ean: \u0110\u00e2y l\u00e0 ch\u1ec9 s\u1ed1 \u0111o l\u01b0\u1eddng t\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i c\u1ee7a trang web khi ng\u01b0\u1eddi d\u00f9ng th\u1ef1c hi\u1ec7n thao t\u00e1c nh\u1eadp d\u1eef li\u1ec7u. M\u1ee9c l\u00fd t\u01b0\u1edfng n\u00ean d\u01b0\u1edbi 100 mili gi\u00e2y.
\n3. \u0110\u1ed9 l\u1ec7ch trong b\u1ed1 c\u1ee5c t\u00edch l\u0169y (Accumulated Layout Offset): \u0110\u00e2y l\u00e0 ch\u1ec9 s\u1ed1 \u0111o l\u01b0\u1eddng m\u1ee9c \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u1ec1 m\u1eb7t th\u1ecb gi\u00e1c c\u1ee7a trang web. Gi\u00e1 tr\u1ecb l\u00fd t\u01b0\u1edfng n\u00ean nh\u1ecf h\u01a1n 0.1.<\/p>\n

\u0110\u1ecdc th\u00eam N\u0103m 2024: C\u00e1ch x\u00e2y d\u1ef1ng trang web hi\u1ec7u su\u1ea5t cao b\u1eb1ng WordPress \u2013 H\u01b0\u1edbng d\u1eabn th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t t\u1eeb c\u01a1 b\u1ea3n \u0111\u1ebfn n\u00e2ng cao<\/a>\u3002<\/p>\n\n\n\n\n

Ki\u1ec3m tra hi\u1ec7u n\u0103ng c\u1ee7a m\u00e1y ch\u1ee7.<\/h3>\n\n\n\n

N\u1ec1n t\u1ea3ng c\u1ee7a m\u1ed9t trang web l\u00e0 c\u00e1c m\u00e1y ch\u1ee7 l\u01b0u tr\u1eef (hosting servers). M\u1eb7c d\u00f9 d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef chia s\u1ebb (shared hosting) c\u00f3 gi\u00e1 r\u1ebb, nh\u01b0ng ngu\u1ed3n l\u1ef1c c\u1ee7a ch\u00fang b\u1ecb h\u1ea1n ch\u1ebf v\u00e0 kh\u00f4ng \u1ed5n \u0111\u1ecbnh, th\u01b0\u1eddng l\u00e0 nguy\u00ean nh\u00e2n g\u00e2y ra t\u00ecnh tr\u1ea1ng trang web ho\u1ea1t \u0111\u1ed9ng ch\u1eadm. N\u1ebfu trang web c\u1ee7a b\u1ea1n \u0111\u00e3 thu h\u00fat \u0111\u01b0\u1ee3c m\u1ed9t l\u01b0\u1ee3ng l\u1edbn l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp, b\u1ea1n n\u00ean c\u00e2n nh\u1eafc n\u00e2ng c\u1ea5p l\u00ean c\u00e1c gi\u1ea3i ph\u00e1p nh\u01b0 m\u00e1y ch\u1ee7 \u1ea3o ri\u00eang (virtual private server \u2013 VPS), m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y (cloud hosting) ho\u1eb7c m\u00e1y ch\u1ee7 WordPress \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd chuy\u00ean nghi\u1ec7p. Nh\u1eefng gi\u1ea3i ph\u00e1p n\u00e0y cung c\u1ea5p b\u1ed9 x\u1eed l\u00fd nhanh h\u01a1n, b\u1ed9 nh\u1edb v\u00e0 \u1ed5 \u0111\u0129a SSD ch\u1ea5t l\u01b0\u1ee3ng cao h\u01a1n, v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp s\u1eb5n m\u00f4i tr\u01b0\u1eddng ph\u00f9 h\u1ee3p v\u1edbi WordPress.<\/p>\n\n\n\n

Chi\u1ebfn l\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a c\u1ed1t l\u00f5i v\u00e0 c\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n<\/h2>\n\n\n\n

Sau khi n\u1eafm r\u00f5 t\u00ecnh h\u00ecnh hi\u1ec7n t\u1ea1i, b\u1ea1n c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u th\u1ef1c hi\u1ec7n m\u1ed9t lo\u1ea1t c\u00e1c chi\u1ebfn l\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a c\u1ed1t l\u00f5i \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng. Nh\u1eefng b\u01b0\u1edbc n\u00e0y bao g\u1ed3m c\u1ea3 ph\u1ea7n front-end v\u00e0 back-end, v\u00e0 ch\u00fang s\u1ebd mang l\u1ea1i hi\u1ec7u qu\u1ea3 ngay l\u1eadp t\u1ee9c.<\/p>\n

\u0110\u1ecdc th\u00eam H\u01b0\u1edbng d\u1eabn x\u00e2y d\u1ef1ng trang web b\u1eb1ng WordPress: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n t\u1eeb \u0111\u1ea7u \u0111\u1ec3 t\u1ea1o ra m\u1ed9t trang web chuy\u00ean nghi\u1ec7p<\/a>\u3002<\/p>\n\n\r\n

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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\n\n

Ch\u1ecdn ch\u1ee7 \u0111\u1ec1 v\u00e0 plugin c\u00f3 hi\u1ec7u su\u1ea5t cao<\/h3>\n\n\n\n

Ch\u1ea5t l\u01b0\u1ee3ng m\u00e3 ngu\u1ed3n c\u01a1 b\u1ea3n c\u1ee7a trang web r\u1ea5t quan tr\u1ecdng. H\u00e3y tr\u00e1nh s\u1eed d\u1ee5ng nh\u1eefng giao di\u1ec7n (theme) \u201c\u0111a n\u0103ng\u201d qu\u00e1 ph\u1ee9c t\u1ea1p, ch\u1ee9a \u0111\u1ea7y c\u00e1c t\u00ednh n\u0103ng kh\u00f4ng c\u1ea7n thi\u1ebft. H\u00e3y ch\u1ecdn nh\u1eefng giao di\u1ec7n c\u00f3 m\u00e3 ngu\u1ed3n g\u1ecdn g\u00e0ng, tu\u00e2n th\u1ee7 c\u00e1c chu\u1ea9n l\u1eadp tr\u00ecnh t\u1ed1t nh\u1ea5t v\u00e0 t\u1eadp trung v\u00e0o t\u1ed1c \u0111\u1ed9 truy c\u1eadp trang web. C\u00e1c plugin c\u0169ng l\u00e0 m\u1ed9t nguy\u00ean nh\u00e2n th\u01b0\u1eddng g\u1eb7p g\u00e2y tr\u1edf ng\u1ea1i trong vi\u1ec7c v\u1eadn h\u00e0nh trang web. H\u00e3y ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 c\u00e1c plugin \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t, v\u00e0 v\u00f4 hi\u1ec7u h\u00f3a ho\u1eb7c x\u00f3a nh\u1eefng plugin kh\u00f4ng c\u00f2n c\u1ea7n thi\u1ebft ho\u1eb7c g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a trang web. M\u1ed7i plugin \u0111\u1ec1u n\u00ean mang l\u1ea1i gi\u00e1 tr\u1ecb x\u1ee9ng \u0111\u00e1ng; ch\u00fang n\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ch\u1ec9 khi ch\u00fang th\u1ef1c s\u1ef1 c\u1ea7n thi\u1ebft v\u00e0 kh\u00f4ng g\u00e2y ra t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a tr<\/p>\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

L\u01b0u tr\u1eef \u0111\u1ec7m (cache) l\u00e0 m\u1ed9t trong nh\u1eefng bi\u1ec7n ph\u00e1p hi\u1ec7u qu\u1ea3 nh\u1ea5t \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a WordPress. Nguy\u00ean l\u00fd 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, m\u00e1y ch\u1ee7 kh\u00f4ng c\u1ea7n ph\u1ea3i th\u1ef1c hi\u1ec7n l\u1ea1i c\u00e1c l\u1ec7nh PHP ph\u1ee9c t\u1ea1p hay truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u; thay v\u00e0o \u0111\u00f3, n\u00f3 s\u1ebd tr\u1ef1c ti\u1ebfp cung c\u1ea5p c\u00e1c t\u1ec7p HTML t\u0129nh, t\u1eeb \u0111\u00f3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 g\u00e1nh n\u1eb7ng cho m\u00e1y ch\u1ee7.
\n\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u, b\u1ea1n c\u00f3 th\u1ec3 c\u00e0i \u0111\u1eb7t c\u00e1c plugin \u0111\u1ec7m d\u1eef li\u1ec7u nh\u01b0 WP Rocket, W3 Total Cache ho\u1eb7c LiteSpeed Cache \u0111\u1ec3 thi\u1ebft l\u1eadp ch\u00fang. \u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 LiteSpeed, plugin LiteSpeed Cache s\u1ebd ph\u00e1t huy hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u nh\u1ea5t. H\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n \u0111\u00e3 k\u00edch ho\u1ea1t ch\u1ee9c n\u0103ng \u0111\u1ec7m trang (page caching), \u0111\u1ec7m tr\u00ecnh duy\u1ec7t (browser caching) v\u00e0 \u0111\u1ec7m \u0111\u1ed1i t\u01b0\u1ee3ng (object caching) n\u1ebfu ch\u00fang \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3.<\/p>\n\n\n\n

T\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh v\u00e0 n\u1ed9i dung \u0111a ph\u01b0\u01a1ng ti\u1ec7n<\/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 tr\u1edf n\u00ean n\u1eb7ng n\u1ec1 v\u00e0 ch\u1eadm tr\u1ec5 trong vi\u1ec7c hi\u1ec3n th\u1ecb n\u1ed9i dung. H\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c h\u00ecnh \u1ea3nh \u0111\u01b0\u1ee3c t\u1ea3i l\u00ean th\u01b0 vi\u1ec7n truy\u1ec1n th\u00f4ng \u0111\u1ec1u \u0111\u00e3 \u0111\u01b0\u1ee3c n\u00e9n. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c ti\u1ec7n \u00edch nh\u01b0 ShortPixel, Imagify \u0111\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c n\u00e9n t\u1ef1 \u0111\u1ed9ng, ho\u1eb7c s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 tr\u1ef1c tuy\u1ebfn nh\u01b0 Tinypng \u0111\u1ec3 x\u1eed l\u00fd h\u00ecnh \u1ea3nh tr\u01b0\u1edbc khi t\u1ea3i ch\u00fang l\u00ean. Ngo\u00e0i ra, n\u00ean 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 cung c\u1ea5p t\u1ef7 l\u1ec7 n\u00e9n t\u1ed1t h\u01a1n so v\u1edbi JPEG v\u00e0 PNG. H\u1ea7u h\u1ebft c\u00e1c ti\u1ec7n \u00edch l\u01b0u tr\u1eef \u0111\u1ec7m (cache plugins) ho\u1eb7c c\u00e1c c\u00f4ng c\u1ee5 t\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh chuy\u00ean d\u1ee5ng \u0111\u1ec1u h\u1ed7 tr\u1ee3 chuy\u1ec3n \u0111\u1ed5i h\u00ecnh \u1ea3nh sang \u0111\u1ecbnh d\u1ea1ng WebP v\u00e0 hi\u1ec3n th\u1ecb ch\u00fang tr\u00ean c\u00e1c tr\u00ecnh duy\u1ec7t h\u1ed7 tr\u1ee3 \u0111\u1ecbnh d\u1ea1ng n\u00e0y.<\/p>\n\n\n\n

Tri\u1ec3n khai m\u1ea1ng ph\u00e2n ph\u1ed1i n\u1ed9i dung<\/h3>\n\n\n\n

N\u1ebfu kh\u00e1ch truy c\u1eadp c\u1ee7a b\u1ea1n \u0111\u1ebfn t\u1eeb kh\u1eafp n\u01a1i tr\u00ean th\u1ebf gi\u1edbi, th\u00ec CDN (Content Delivery Network \u2013 M\u1ea1ng l\u01b0\u1edbi ph\u00e2n ph\u1ed1i n\u1ed9i dung) ch\u00ednh l\u00e0 c\u00f4ng c\u1ee5 kh\u00f4ng th\u1ec3 thi\u1ebfu. CDN 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 (nh\u01b0 h\u00ecnh \u1ea3nh, t\u1eadp tin CSS, JavaScript) tr\u00ean c\u00e1c m\u00e1y ch\u1ee7 \u0111\u1eb7t \u1edf nhi\u1ec1u \u0111\u1ecba \u0111i\u1ec3m kh\u00e1c nhau tr\u00ean th\u1ebf gi\u1edbi, gi\u00fap ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 truy c\u1eadp n\u1ed9i dung t\u1eeb m\u00e1y ch\u1ee7 g\u1ea7n nh\u1ea5t theo v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd c\u1ee7a h\u1ecd, t\u1eeb \u0111\u00f3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 th\u1eddi gian tr\u1ec5 trong qu\u00e1 tr\u00ecnh truy c\u1eadp trang web. M\u1ed9t s\u1ed1 d\u1ecbch v\u1ee5 CDN ph\u1ed5 bi\u1ebfn bao g\u1ed3m Cloudflare, KeyCDN v\u00e0 StackPath. Nhi\u1ec1u d\u1ecbch v\u1ee5 n\u00e0y cung c\u1ea5p g\u00f3i d\u1ecbch v\u1ee5 mi\u1ec5n ph\u00ed v\u00e0 r\u1ea5t d\u1ec5 t\u00edch h\u1ee3p v\u1edbi WordPress.<\/p>\n\n\n\n

C\u00f4ng ngh\u1ec7 cao v\u00e0 b\u1ea3o tr\u00ec 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\u1ed1t l\u00f5i, b\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng th\u00eam m\u1ed9t s\u1ed1 c\u00f4ng ngh\u1ec7 n\u00e2ng cao \u0111\u1ec3 khai th\u00e1c tri\u1ec7t \u0111\u1ec3 h\u01a1n ti\u1ec1m n\u0103ng hi\u1ec7u su\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng, \u0111\u1ed3ng th\u1eddi thi\u1ebft l\u1eadp quy tr\u00ecnh b\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean.<\/p>\n\n\n\n

Tinh gi\u1ea3n v\u00e0 h\u1ee3p nh\u1ea5t c\u00e1c t\u1ec7p CSS\/JavaScript<\/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. C\u00e0ng nhi\u1ec1u y\u00eau c\u1ea7u, qu\u00e1 tr\u00ecnh t\u1ea3i trang c\u00e0ng ch\u1eadm. B\u1ea1n n\u00ean:
\n1. **\u0110\u1ed3ng nh\u1ea5t h\u00f3a c\u00e1c t\u1ec7p tin:** H\u1ee3p nh\u1ea5t nhi\u1ec1u t\u1ec7p CSS ho\u1eb7c JS nh\u1ecf th\u00e0nh m\u1ed9t v\u00e0i t\u1ec7p tin l\u1edbn h\u01a1n.
\n2. Tinh gi\u1ea3n m\u00e3 ngu\u1ed3n: Lo\u1ea1i b\u1ecf c\u00e1c kho\u1ea3ng tr\u1eafng, ch\u00fa th\u00edch v\u00e0 d\u1ea5u nh\u00e1y m\u1edbi kh\u00f4ng c\u1ea7n thi\u1ebft trong m\u00e3 ngu\u1ed3n.
\n3. Tr\u00ec ho\u00e3n vi\u1ec7c th\u1ef1c thi c\u00e1c \u0111o\u1ea1n JavaScript kh\u00f4ng quan tr\u1ecdng: H\u00e3y s\u1eed d\u1ee5ng c\u00e1c thu\u1ed9c t\u00ednh `async` ho\u1eb7c `defer` \u0111\u1ec3 cho ph\u00e9p nh\u1eefng \u0111o\u1ea1n JavaScript kh\u00f4ng c\u1ea7n thi\u1ebft (ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00e3 ph\u00e2n t\u00edch d\u1eef li\u1ec7u, c\u00e1c ti\u1ec7n \u00edch m\u1ea1ng x\u00e3 h\u1ed9i) \u0111\u01b0\u1ee3c th\u1ef1c thi sau khi n\u1ed9i dung ch\u00ednh c\u1ee7a trang \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ea3i xong, nh\u1eb1m tr\u00e1nh t\u00ecnh tr\u1ea1ng ch\u00fang l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh hi\u1ec3n th\u1ecb trang web.
\nNhi\u1ec1u plugin t\u0103ng c\u01b0\u1eddng hi\u1ec7u n\u0103ng b\u1ed9 nh\u1edb \u0111\u1ec7m (cache plugins) \u0111\u1ec1u cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng nh\u01b0 \u201ct\u1ed1i \u01b0u h\u00f3a k\u00edch th\u01b0\u1edbc t\u1ec7p\u201d v\u00e0 \u201ch\u1ee3p nh\u1ea5t c\u00e1c t\u1ec7p\u201d.<\/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

Ch\u1ecdn m\u1ed9t c\u01a1 s\u1edf d\u1eef li\u1ec7u (DB) hi\u1ec7u qu\u1ea3 v\u00e0 th\u01b0\u1eddng xuy\u00ean d\u1ecdn d\u1eb9p n\u00f3.<\/h3>\n\n\n\n

WordPress ph\u1ee5 thu\u1ed9c n\u1eb7ng n\u1ec1 v\u00e0o c\u01a1 s\u1edf d\u1eef li\u1ec7u MySQL. Theo th\u1eddi gian, c\u01a1 s\u1edf d\u1eef li\u1ec7u s\u1ebd t\u00edch l\u0169y c\u00e1c phi\u00ean b\u1ea3n c\u1eadp nh\u1eadt, b\u1ea3n th\u1ea3o, b\u00ecnh lu\u1eadn kh\u00f4ng c\u1ea7n thi\u1ebft v\u00e0 c\u00e1c d\u1eef li\u1ec7u th\u1eeba, khi\u1ebfn c\u00e1c thao t\u00e1c truy v\u1ea5n tr\u1edf n\u00ean ch\u1eadm h\u01a1n. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c plugin nh\u01b0 WP-Optimize ho\u1eb7c Advanced Database Cleaner \u0111\u1ec3 d\u1ecdn d\u1eb9p c\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u1ecbnh k\u1ef3. Ngo\u00e0i ra, h\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef c\u1ee7a b\u1ea1n \u0111ang s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u00f3 hi\u1ec7u su\u1ea5t t\u1ed1t, ho\u1eb7c xem x\u00e9t vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c d\u1ecbch v\u1ee5 c\u01a1 s\u1edf d\u1eef li\u1ec7u b\u00ean ngo\u00e0i c\u00f3 hi\u1ec7u n\u0103ng cao h\u01a1n.<\/p>\n\n\n\n

N\u00e2ng c\u1ea5p l\u00ean phi\u00ean b\u1ea3n PHP m\u1edbi nh\u1ea5t<\/h3>\n\n\n\n

PHP l\u00e0 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 v\u1eadn h\u00e0nh WordPress. C\u00e1c phi\u00ean b\u1ea3n m\u1edbi c\u1ee7a PHP (ch\u1eb3ng h\u1ea1n nh\u01b0 PHP 8.0 tr\u1edf l\u00ean) kh\u00f4ng ch\u1ec9 mang l\u1ea1i nhi\u1ec1u t\u00ednh n\u0103ng m\u1edbi m\u00e0 c\u00f2n c\u00f3 hi\u1ec7u su\u1ea5t th\u1ef1c thi cao h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1c phi\u00ean b\u1ea3n c\u0169 (nh\u01b0 PHP 5.6 ho\u1eb7c 7.0). Vi\u1ec7c n\u00e2ng c\u1ea5p phi\u00ean b\u1ea3n PHP l\u00ean phi\u00ean b\u1ea3n \u1ed5n \u0111\u1ecbnh cao nh\u1ea5t m\u00e0 c\u00e1c theme v\u00e0 plugin c\u1ee7a b\u1ea1n h\u1ed7 tr\u1ee3 th\u01b0\u1eddng gi\u00fap c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 t\u1ed1c \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a trang web. B\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c n\u00e0y th\u00f4ng qua b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n m\u00e1y ch\u1ee7 (host control panel).<\/p>\n\n\n\n

Th\u1ef1c hi\u1ec7n vi\u1ec7c t\u1ea3i d\u1eef li\u1ec7u theo c\u00e1ch th\u1ee5 \u0111\u1ed9ng (lazy loading)<\/h3>\n\n\n\n

C\u00f4ng ngh\u1ec7 t\u1ea3i ch\u1eadm (lazy loading) \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c h\u00ecnh \u1ea3nh, video ho\u1eb7c th\u1ebb iframe ch\u1ec9 \u0111\u01b0\u1ee3c t\u1ea3i v\u00e0o khi ch\u00fang xu\u1ea5t hi\u1ec7n trong ph\u1ea1m vi hi\u1ec3n th\u1ecb c\u1ee7a tr\u00ecnh duy\u1ec7t ng\u01b0\u1eddi d\u00f9ng. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 l\u01b0\u1ee3ng d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c t\u1ea3i v\u00e0 th\u1eddi gian kh\u1edfi t\u1ea1o trang web, \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch \u0111\u1ed1i v\u1edbi nh\u1eefng trang c\u00f3 n\u1ed9i dung d\u00e0i ho\u1eb7c ch\u1ee9a nhi\u1ec1u ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng \u0111a ph\u01b0\u01a1ng ti\u1ec7n (multimedia). Nhi\u1ec1u ch\u1ee7 \u0111\u1ec1 (theme) v\u00e0 ti\u1ec7n \u00edch t\u1ed1i \u01b0u h\u00f3a (optimization plugins) hi\u1ec7n \u0111\u1ea1i \u0111\u00e3 t\u00edch h\u1ee3p s\u1eb5n t\u00ednh n\u0103ng n\u00e0y.<\/p>\n\n\n\n

T\u00f3m l\u1ea1i<\/h2>\n\n\n\n

T\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 trang web WordPress l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh ph\u1ee9c t\u1ea1p, y\u00eau c\u1ea7u s\u1ef1 k\u1ebft h\u1ee3p nhi\u1ec1u y\u1ebfu t\u1ed1 kh\u00e1c nhau, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t thao t\u00e1c \u0111\u01a1n gi\u1ea3n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n ngay l\u1eadp t\u1ee9c. T\u1eeb vi\u1ec7c l\u1ef1a ch\u1ecdn m\u00e1y ch\u1ee7 v\u00e0 giao di\u1ec7n (theme) c\u01a1 b\u1ea3n, \u0111\u1ebfn c\u00e1c bi\u1ec7n ph\u00e1p t\u1ed1i \u01b0u h\u00f3a b\u1ed9 nh\u1edb \u0111\u1ec7m (cache), h\u00ecnh \u1ea3nh v\u00e0 vi\u1ec7c tri\u1ec3n khai d\u1ecbch v\u1ee5 CDN (Content Delivery Network), cho \u0111\u1ebfn c\u00e1c b\u01b0\u1edbc n\u00e2ng cao nh\u01b0 r\u00fat g\u1ecdn m\u00e3 ngu\u1ed3n (code optimization) v\u00e0 b\u1ea3o tr\u00ec c\u01a1 s\u1edf d\u1eef li\u1ec7u (database maintenance), m\u1ed7i b\u01b0\u1edbc \u0111\u1ec1u r\u1ea5t quan tr\u1ecdng. S\u1ef1 th\u00e0nh c\u00f4ng trong vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c theo d\u00f5i li\u00ean t\u1ee5c, ki\u1ec3m th\u1eed v\u00e0 \u0111i\u1ec1u ch\u1ec9nh t\u1eebng b\u01b0\u1edbc m\u1ed9t. B\u1eb1ng c\u00e1ch tu\u00e2n theo c\u00e1c h\u01b0\u1edbng d\u1eabn trong t\u00e0i li\u1ec7u n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh r\u00f5 c\u00e1c \u0111i\u1ec3m ngh\u1ebdn trong h\u1ec7 th\u1ed1ng, \u00e1p d\u1ee5ng c\u00e1c gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p, v\u00e0 cu\u1ed1i c\u00f9ng x\u00e2y d\u1ef1ng m\u1ed9t trang web WordPress hi\u1ec7u su\u1ea5t cao \u2013 nhanh ch\u00f3ng, tr\u01a1n tru, v\u00e0 \u0111\u01b0\u1ee3c ng\u01b0\u1eddi d\u00f9ng c\u0169ng nh\u01b0 c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm \u0111\u00e1nh gi\u00e1 cao. H\u00e3y nh\u1edb r\u1eb1ng, t\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 l\u00e0 m\u1ed9t h\u00e0nh tr\u00ecnh d\u00e0i h\u1ea1n; s\u1ef1 ch\u00fa \u00fd v\u00e0 \u0111i\u1ec1u ch\u1ec9nh li\u00ean t\u1ee5c s\u1ebd mang l\u1ea1i nh\u1eefng<\/p>\n\n\n\n

FAQ \u5e38\u89c1\u95ee\u9898<\/h2>\n\n\n\n

S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c plugin t\u0103ng t\u1ed1c trang web mi\u1ec5n ph\u00ed v\u00e0 c\u00e1c plugin c\u00f3 ph\u00ed (nh\u01b0 WP Rocket) l\u00e0 g\u00ec?<\/h3>\n\n\n\n

C\u00e1c plugin l\u01b0u tr\u1eef \u0111\u1ec7m mi\u1ec5n ph\u00ed (nh\u01b0 W3 Total Cache) th\u01b0\u1eddng c\u00f3 nhi\u1ec1u t\u00ednh n\u0103ng m\u1ea1nh m\u1ebd nh\u01b0ng c\u00e1ch c\u1ea5u h\u00ecnh l\u1ea1i ph\u1ee9c t\u1ea1p, v\u1edbi r\u1ea5t nhi\u1ec1u t\u00f9y ch\u1ecdn. Ng\u01b0\u1eddi d\u00f9ng c\u1ea7n c\u00f3 ki\u1ebfn th\u1ee9c k\u1ef9 thu\u1eadt nh\u1ea5t \u0111\u1ecbnh \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a ch\u00fang. N\u1ebfu c\u1ea5u h\u00ecnh kh\u00f4ng \u0111\u00fang c\u00e1ch, ch\u00fang c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 t\u1ed1i \u0111a ho\u1eb7c th\u1eadm ch\u00ed g\u00e2y ra l\u1ed7i tr\u00ean trang web.<\/p>\n\n\n\n

C\u00e1c plugin tr\u1ea3 ph\u00ed nh\u01b0 WP Rocket c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ngay sau khi \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t v\u00e0 mang l\u1ea1i tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng tuy\u1ec7t v\u1eddi. Ch\u00fang cung c\u1ea5p c\u00e1c thi\u1ebft l\u1eadp \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a s\u1eb5n; ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 c\u1ea7n b\u1eadt ch\u00fang b\u1eb1ng m\u1ed9t c\u00fa nh\u1ea5n chu\u1ed9t l\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng h\u1ea7u h\u1ebft c\u00e1c t\u00ednh n\u0103ng t\u1ed1i \u01b0u h\u00f3a c\u1ed1t l\u00f5i nh\u01b0 l\u01b0u tr\u1eef trang, l\u01b0u tr\u1eef tr\u00ecnh duy\u1ec7t, n\u00e9n t\u1ec7p v\u00e0 t\u1ea3i d\u1eef li\u1ec7u theo ki\u1ec3u \u201cth\u1ee5 \u0111\u1ed9ng\u201d (lazy loading). Nh\u1eefng plugin n\u00e0y th\u01b0\u1eddng t\u00edch h\u1ee3p c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t (best practices) v\u00e0 cung c\u1ea5p h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt chuy\u00ean nghi\u1ec7p, gi\u00fap ng\u01b0\u1eddi d\u00f9ng ti\u1ebft ki\u1ec7m th\u1eddi gian h\u1ecdc h\u1ecfi v\u00e0 \u0111i\u1ec1u ch\u1ec9nh c\u1ea5u h\u00ecnh.<\/p>\n\n\n\n

T\u00f4i \u0111\u00e3 th\u1ef1c hi\u1ec7n r\u1ea5t nhi\u1ec1u bi\u1ec7n ph\u00e1p t\u1ed1i \u01b0u h\u00f3a, nh\u01b0ng \u0111i\u1ec3m s\u1ed1 c\u1ee7a GTmetrix v\u1eabn kh\u00f4ng cao. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 c\u1ea3i thi\u1ec7n t\u00ecnh h\u00ecnh n\u00e0y?<\/h3>\n\n\n\n

Tr\u01b0\u1edbc h\u1ebft, xin \u0111\u1eebng qu\u00e1 b\u1eadn t\u00e2m \u0111\u1ebfn vi\u1ec7c \u0111\u1ea1t \u201c\u0111i\u1ec3m cao nh\u1ea5t\u201d (\u0111i\u1ec3m tuy\u1ec7t \u0111\u1ed1i). \u0110\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi nh\u1eefng trang web c\u00f3 n\u1ed9i dung phong ph\u00fa, vi\u1ec7c \u0111\u1ea1t \u0111i\u1ec3m A\/100 l\u00e0 \u0111i\u1ec1u kh\u00f4ng th\u1ef1c t\u1ebf v\u00e0 c\u0169ng kh\u00f4ng c\u1ea7n thi\u1ebft. M\u1ee5c ti\u00eau ch\u00ednh n\u00ean l\u00e0 c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 t\u1ea3i trang v\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng.<\/p>\n\n\n\n

Th\u1ee9 hai, h\u00e3y xem k\u1ef9 c\u00e1c khuy\u1ebfn ngh\u1ecb c\u1ee5 th\u1ec3 trong b\u00e1o c\u00e1o ki\u1ec3m th\u1eed. Th\u00f4ng th\u01b0\u1eddng, c\u00e1c ngu\u1ed3n l\u1ef1c b\u00ean th\u1ee9 ba ch\u01b0a \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a (ch\u1eb3ng h\u1ea1n nh\u01b0 ph\u00f4ng ch\u1eef Google \u0111\u01b0\u1ee3c nh\u00fang v\u00e0o trang web, c\u00e1c script t\u1eeb m\u1ea1ng x\u00e3 h\u1ed9i, m\u00e3 ph\u00e2n t\u00edch d\u1eef li\u1ec7u) ho\u1eb7c c\u00e1c t\u00e0i nguy\u00ean g\u00e2y c\u1ea3n tr\u1edf qu\u00e1 tr\u00ecnh hi\u1ec3n th\u1ecb trang web (do theme\/plug-in \u0111\u01b0a v\u00e0o) l\u00e0 nh\u1eefng nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn khi\u1ebfn trang web kh\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec3m s\u1ed1 cao. B\u1ea1n c\u00f3 th\u1ec3 th\u1eed tr\u00ec ho\u00e3n vi\u1ec7c t\u1ea3i c\u00e1c script n\u00e0y ho\u1eb7c th\u1ef1c hi\u1ec7n vi\u1ec7c t\u1ea3i ch\u00fang m\u1ed9t c\u00e1ch \u0111\u1ed3ng b\u1ed9 (synchronously).<\/p>\n\n\n\n

Cu\u1ed1i c\u00f9ng, h\u00e3y ch\u00fa tr\u1ecdng \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng \u201cth\u1ef1c t\u1ebf\u201d. H\u00e3y s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 ki\u1ec3m th\u1eed t\u1ea1i c\u00e1c \u0111\u1ecba \u0111i\u1ec3m kh\u00e1c nhau v\u00e0 theo d\u00f5i d\u1eef li\u1ec7u t\u1eeb ng\u01b0\u1eddi d\u00f9ng th\u1ef1c t\u1ebf. Mi\u1ec5n l\u00e0 c\u00e1c ch\u1ec9 s\u1ed1 web c\u1ed1t l\u00f5i ho\u1ea1t \u0111\u1ed9ng t\u1ed1t v\u00e0 trang web t\u1ea3i nhanh ch\u00f3ng, m\u01b0\u1ee3t m\u00e0, th\u00ec d\u00f9 \u0111i\u1ec3m s\u1ed1 ki\u1ec3m th\u1eed kh\u00f4ng ho\u00e0n h\u1ea3o, vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a c\u1ee7a b\u1ea1n v\u1eabn \u0111\u01b0\u1ee3c coi l\u00e0 th\u00e0nh c\u00f4ng.<\/p>\n\n\n\n

Sau khi trang web \u0111\u01b0\u1ee3c chuy\u1ec3n sang m\u00e1y ch\u1ee7 m\u1edbi, t\u1ed1c \u0111\u1ed9 truy c\u1eadp l\u1ea1i gi\u1ea3m \u0111i. C\u00f3 th\u1ec3 c\u00f3 m\u1ed9t s\u1ed1 l\u00fd do d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng n\u00e0y:<\/h3>\n\n\n\n

C\u00f3 th\u1ec3 c\u00f3 m\u1ed9t s\u1ed1 l\u00fd do khi\u1ebfn t\u1ed1c \u0111\u1ed9 truy c\u1eadp trang web ch\u1eadm l\u1ea1i sau khi thay \u0111\u1ed5i m\u00e1y ch\u1ee7. Nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 c\u00e1c b\u1ea3n ghi DNS (Domain Name System) ch\u01b0a \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng tr\u00ean to\u00e0n c\u1ea7u m\u1ed9t c\u00e1ch \u0111\u1ea7y \u0111\u1ee7; qu\u00e1 tr\u00ecnh n\u00e0y th\u01b0\u1eddng m\u1ea5t t\u1eeb 24 \u0111\u1ebfn 48 gi\u1edd, v\u00e0 trong th\u1eddi gian \u0111\u00f3, tr\u1ea3i nghi\u1ec7m truy c\u1eadp c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng (kh\u00f4ng<\/p>\n\n\n\n

Th\u1ee9 hai, c\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7 c\u1ee7a m\u00e1y ch\u1ee7 m\u1edbi c\u00f3 th\u1ec3 ch\u01b0a \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho WordPress, ho\u1eb7c v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd c\u1ee7a m\u00e1y ch\u1ee7 c\u00e1ch xa nh\u00f3m kh\u00e1ch h\u00e0ng m\u1ee5c ti\u00eau c\u1ee7a b\u1ea1n h\u01a1n. Vui l\u00f2ng ki\u1ec3m tra xem m\u00e1y ch\u1ee7 m\u1edbi c\u00f3 cung c\u1ea5p c\u00e1c t\u00f9y ch\u1ecdn t\u0103ng t\u1ed1c nh\u01b0 n\u00e2ng c\u1ea5p phi\u00ean b\u1ea3n PHP, OPcache, v.v. hay kh\u00f4ng.<\/p>\n\n\n\n

Ngo\u00e0i ra, trong qu\u00e1 tr\u00ecnh di chuy\u1ec3n, c\u00f3 th\u1ec3 c\u00f3 m\u1ed9t s\u1ed1 thi\u1ebft l\u1eadp t\u1ed1i \u01b0u h\u00f3a b\u1ecb b\u1ecf qua; v\u00ed d\u1ee5 nh\u01b0 c\u1ea5u h\u00ecnh c\u1ee7a c\u00e1c ti\u1ec7n \u00edch l\u01b0u tr\u1eef \u0111\u1ec7m (cache plugins) kh\u00f4ng \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t \u0111\u00fang c\u00e1ch trong m\u00f4i tr\u01b0\u1eddng m\u1edbi. Vui l\u00f2ng ki\u1ec3m tra t\u1eebng b\u01b0\u1edbc \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c bi\u1ec7n ph\u00e1p t\u1ed1i \u01b0u h\u00f3a b\u1ea1n \u0111\u00e3 \u00e1p d\u1ee5ng tr\u00ean m\u00e1y ch\u1ee7 c\u0169 \u0111\u1ec1u \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh l\u1ea1i v\u00e0 ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 trong m\u00f4<\/p>\n\n\n\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh li\u1ec7u m\u1ed9t plugin c\u1ee5 th\u1ec3 c\u00f3 l\u00e0m ch\u1eadm t\u1ed1c \u0111\u1ed9 trang web hay kh\u00f4ng?<\/h3>\n\n\n\n

C\u00f3 m\u1ed9t s\u1ed1 c\u00e1ch \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh nh\u1eefng plugin g\u00e2y ra s\u1ef1 suy gi\u1ea3m hi\u1ec7u n\u0103ng c\u1ee7a trang web. C\u00e1ch tr\u1ef1c ti\u1ebfp nh\u1ea5t l\u00e0 s\u1eed d\u1ee5ng c\u00e1c plugin gi\u00e1m s\u00e1t v\u00e0 ph\u00e2n t\u00edch hi\u1ec7u n\u0103ng, ch\u1eb3ng h\u1ea1n nh\u01b0 Query Monitor. C\u00e1c plugin n\u00e0y c\u00f3 th\u1ec3 hi\u1ec3n th\u1ecb th\u1eddi gian th\u1ef1c hi\u1ec7n c\u00e1c truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u, l\u01b0\u1ee3ng b\u1ed9 nh\u1edb \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, v\u00e0 th\u1eddi gian th\u1ef1c hi\u1ec7n c\u00e1c l\u1ec7nh PHP c\u1ee7a t\u1eebng plugin trong qu\u00e1 tr\u00ecnh t\u1ea3i trang, t\u1eeb \u0111\u00f3 gi\u00fap b\u1ea1n x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng plugin n\u00e0o l\u00e0 nguy\u00ean nh\u00e2n g\u00e2y ra v\u1ea5n \u0111\u1ec1.<\/p>\n\n\n\n

M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n nh\u01b0ng hi\u1ec7u qu\u1ea3 h\u01a1n l\u00e0 th\u1ef1c hi\u1ec7n \u201cki\u1ec3m th\u1eed c\u00e1ch ly\u201d. Trong m\u00f4i tr\u01b0\u1eddng l\u01b0u tr\u1eef t\u1ea1m th\u1eddi ho\u1eb7c ch\u1ebf \u0111\u1ed9 b\u1ea3o tr\u00ec c\u1ee7a trang web, h\u00e3y t\u1eaft t\u1eebng ti\u1ec7n \u00edch (plugin) m\u00e0 b\u1ea1n nghi ng\u1edd l\u00e0 nguy\u00ean nh\u00e2n g\u00e2y ra v\u1ea5n \u0111\u1ec1, sau \u0111\u00f3 s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 \u0111o t\u1ed1c \u0111\u1ed9 \u0111\u1ec3 ki\u1ec3m tra hi\u1ec7u n\u0103ng c\u1ee7a trang web sau m\u1ed7i l\u1ea7n t\u1eaft ti\u1ec7n \u00edch \u0111\u00f3. N\u1ebfu t\u1ed1c \u0111\u1ed9 trang web \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 sau khi t\u1eaft m\u1ed9t ti\u1ec7n \u00edch n\u00e0o \u0111\u00f3, th\u00ec r\u1ea5t c\u00f3 th\u1ec3 ti\u1ec7n \u00edch \u0111\u00f3 ch\u00ednh l\u00e0 nguy\u00ean nh\u00e2n g\u00e2y ra s\u1ef1 ch\u1eadm tr\u1ec5 trong ho\u1ea1t \u0111\u1ed9ng c\u1ee7a trang web. Sau \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 t\u00ecm ki\u1ebfm nh\u1eefng ti\u1ec7n \u00edch thay th\u1ebf c\u00f3 ch\u1ee9c n\u0103ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0ng c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1eb9<\/p>","protected":false},"excerpt":{"rendered":"

T\u1ed1c \u0111\u1ed9 trang web l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng v\u00e0 hi\u1ec7u qu\u1ea3 SEO. H\u01b0\u1edbng d\u1eabn n\u00e0y gi\u1ea3i th\u00edch m\u1ed9t c\u00e1ch chi ti\u1ebft t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 WordPress, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ch\u1ea9n \u0111o\u00e1n v\u00e0 chi\u1ebfn l\u01b0\u1ee3c c\u1ed1t l\u00f5i, bao g\u1ed3m vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00e1c giao di\u1ec7n (theme) hi\u1ec7u qu\u1ea3, s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 l\u01b0u tr\u1eef d\u1eef li\u1ec7u t\u1ea1m th\u1eddi (cache), t\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh, \u00e1p d\u1ee5ng d\u1ecbch v\u1ee5 CDN (Content Delivery Network), \u0111\u1ed3ng th\u1eddi cung c\u1ea5p c\u00e1c k\u1ef9 thu\u1eadt n\u00e2ng cao v\u00e0 l\u1eddi khuy\u00ean v\u1ec1 b\u1ea3o tr\u00ec. Nh\u1eefng th\u00f4ng tin n\u00e0y s\u1ebd gi\u00fap b\u1ea1n n\u00e2<\/p>","protected":false},"author":7,"featured_media":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[159,400,402,435,401],"knowledge_category":[280],"class_list":["post-12356954","knowledge_post","type-knowledge_post","status-publish","hentry","tag-seo","tag-wordpress-optimization","tag-performance-improvement","tag-caching-techniques","tag-website-speed","knowledge_category-wordpress"],"acf":{"site_seo_keywords":"WordPress\u901f\u5ea6\u4f18\u5316,\u7f51\u7ad9\u6027\u80fd\u63d0\u5347,SEO\u6392\u540d,\u7f13\u5b58\u914d\u7f6e,\u56fe\u7247\u538b\u7f29,CDN,\u6838\u5fc3Web\u6307\u6807\u4f18\u5316,WordPress\u4e3b\u673a\u9009\u62e9"},"_links":{"self":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12356954","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\/12356954\/revisions"}],"predecessor-version":[{"id":12404114,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12356954\/revisions\/12404114"}],"wp:attachment":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/media?parent=12356954"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/tags?post=12356954"},{"taxonomy":"knowledge_category","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_category?post=12356954"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}