{"id":12390587,"date":"2026-04-13T11:07:33","date_gmt":"2026-04-13T03:07:33","guid":{"rendered":"https:\/\/www.likacloud.com\/knowledge\/wordpress%e4%bc%98%e5%8c%96%e7%bb%88%e6%9e%81%e6%8c%87%e5%8d%97%ef%bc%9a%e6%8f%90%e5%8d%87%e7%bd%91%e7%ab%99%e9%80%9f%e5%ba%a6%e3%80%81%e6%80%a7%e8%83%bd%e4%b8%8e%e6%8e%92%e5%90%8d%e7%9a%84%e5%85%b3\/"},"modified":"2026-06-03T19:23:40","modified_gmt":"2026-06-03T11:23:40","slug":"wordpress-optimization-guide-speed-performance-seo-e7-9f-a5-e8-af-86","status":"publish","type":"knowledge_post","link":"https:\/\/www.likacloud.com\/vi\/knowledge\/wordpress\/wordpress-optimization-guide-speed-performance-seo-e7-9f-a5-e8-af-86\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn t\u1ed1i \u01b0u h\u00f3a WordPress t\u1ed1i th\u01b0\u1ee3ng: Chi\u1ebfn l\u01b0\u1ee3c then ch\u1ed1t \u0111\u1ec3 n\u00e2ng cao t\u1ed1c \u0111\u1ed9, hi\u1ec7u su\u1ea5t v\u00e0 th\u1ee9 h\u1ea1ng"},"content":{"rendered":"<h2 class=\"wp-block-heading\">T\u1ea1i sao vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a WordPress l\u1ea1i r\u1ea5t quan tr\u1ecdng?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Trong m\u00f4i tr\u01b0\u1eddng internet ng\u00e0y nay, hi\u1ec7u su\u1ea5t c\u1ee7a trang web c\u00f3 m\u1ed1i li\u00ean h\u1ec7 tr\u1ef1c ti\u1ebfp \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng, th\u1ee9 h\u1ea1ng tr\u00ean c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm v\u00e0 kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i th\u00e0nh doanh thu. M\u1ed9t trang web WordPress t\u1ea3i ch\u1eadm kh\u00f4ng ch\u1ec9 khi\u1ebfn ng\u01b0\u1eddi truy c\u1eadp r\u1eddi \u0111i nhanh ch\u00f3ng m\u00e0 c\u00f2n b\u1ecb c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm nh\u01b0 Google gi\u1ea3m th\u1ee9 h\u1ea1ng. T\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9, r\u00fat g\u1ecdn m\u00e3 ngu\u1ed3n v\u00e0 qu\u1ea3n l\u00fd t\u00e0i nguy\u00ean kh\u00f4ng c\u00f2n l\u00e0 nh\u1eefng l\u1ef1a ch\u1ecdn t\u00f9y \u00fd n\u1eefa; \u0111\u00f3 l\u00e0 n\u1ec1n t\u1ea3ng c\u01a1 b\u1ea3n cho s\u1ef1 th\u00e0nh c\u00f4ng c\u1ee7a trang web. B\u1eb1ng c\u00e1ch th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p t\u1ed1i \u01b0u h\u00f3a c\u00f3 h\u1ec7 th\u1ed1ng, b\u1ea1n c\u00f3 th\u1ec3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 th\u1eddi gian ph\u1ea3n h\u1ed3i c\u1ee7a m\u00e1y ch\u1ee7, n\u00e2ng cao c\u00e1c ch\u1ec9 s\u1ed1 quan tr\u1ecdng c\u1ee7a trang web, v\u00e0 t\u1eeb \u0111\u00f3 n\u1ed5i b\u1eadt gi\u1eefa h\u00e0ng lo\u1ea1t k\u1ebft qu\u1ea3 t\u00ecm ki\u1ebfm \u0111\u1ea7y c\u1ea1nh tranh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Chi\u1ebfn l\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 c\u1ed1t l\u00f5i<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00e2ng cao t\u1ed1c \u0111\u1ed9 trang web l\u00e0 m\u1ed9t d\u1ef1 \u00e1n mang t\u00ednh h\u1ec7 th\u1ed1ng, \u0111\u00f2i h\u1ecfi ph\u1ea3i ti\u1ebfp c\u1eadn t\u1eeb nhi\u1ec1u kh\u00eda c\u1ea1nh kh\u00e1c nhau. C\u00e1c chi\u1ebfn l\u01b0\u1ee3c d\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng b\u01b0\u1edbc then ch\u1ed1t \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng v\u00e0 cho th\u1ea5y hi\u1ec7u qu\u1ea3 r\u00f5 r\u1ec7t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Tri\u1ec3n khai c\u01a1 ch\u1ebf b\u1ed9 nh\u1edb \u0111\u1ec7m hi\u1ec7u qu\u1ea3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">L\u01b0u tr\u1eef \u0111\u1ec7m (cache) l\u00e0 ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u qu\u1ea3 nh\u1ea5t \u0111\u1ec3 n\u00e2ng cao t\u1ed1c \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a WordPress. Nguy\u00ean l\u00fd c\u1ee7a n\u00f3 l\u00e0 l\u01b0u c\u00e1c trang \u0111\u01b0\u1ee3c t\u1ea1o ra m\u1ed9t c\u00e1ch \u0111\u1ed9ng d\u01b0\u1edbi d\u1ea1ng t\u1ec7p tin 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 phi\u00ean b\u1ea3n t\u0129nh \u0111\u00f3, gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 \u00e1p l\u1ef1c l\u00ean c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 c\u00f4ng c\u1ee5 x\u1eed l\u00fd PHP.<\/p>\n<!-- AUTO_INTERNAL_LINKS_START --><p>\u0110\u1ecdc th\u00eam <a href=\"https:\/\/www.likacloud.com\/vi\/knowledge\/wordpress\/wordpress-website-optimization-guide-speed-security\/\">B\u1ea3o b\u1ed1i t\u1ed1i \u01b0u h\u00f3a website WordPress: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n t\u1eeb t\u0103ng t\u1ed1c \u0111\u1ebfn c\u1ee7ng c\u1ed1 b\u1ea3o m\u1eadt<\/a>\u3002<\/p><!-- AUTO_INTERNAL_LINKS_END -->\n\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng th\u1ef1c hi\u1ec7n vi\u1ec7c l\u01b0u tr\u1eef trang web, l\u01b0u tr\u1eef d\u1eef li\u1ec7u \u0111\u1ed1i t\u01b0\u1ee3ng (object cache) v\u00e0 l\u01b0u tr\u1eef k\u1ebft qu\u1ea3 truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u (database query cache) b\u1eb1ng c\u00e1ch c\u00e0i \u0111\u1eb7t c\u00e1c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng (plugin) nh\u01b0 WP Rocket, W3 Total Cache ho\u1eb7c LiteSpeed Cache. \u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 LiteSpeed,<code data-no-auto-translation=\"\">LiteSpeed Cache<\/code>C\u00e1c plugin n\u00e0y c\u00f3 th\u1ec3 cung c\u1ea5p nh\u1eefng t\u1ed1i \u01b0u h\u00f3a s\u00e2u \u1edf c\u1ea5p \u0111\u1ed9 m\u00e1y ch\u1ee7, bao g\u1ed3m t\u00edch h\u1ee3p \u0111\u1ed9c \u0111\u00e1o v\u1edbi c\u00f4ng ngh\u1ec7 QUIC.cloud CDN v\u00e0 c\u00e1c ch\u1ee9c n\u0103ng t\u1ed1i \u01b0u h\u00f3a trang web.<\/p>\n<!-- AUTO_SYNCED_PATTERN_INSERT_START -->\n\r\n<div class=\"flex justify-between items-center flex-col lg:flex-row xl:flex-col 2xl:flex-row gap-6 sm:gap-8 rounded-lg border border-gray-200 dark:border-gray-700 p-4 mb-8 lg:mb-10 sm:p-6 bg-white dark:bg-gray-750 shadow-md transition-colors duration-300\"\r\n     data-link=\"https:\/\/www.likacloud.com\/vi\/tolink\/ultahost-wordpress-hosting\/\">\r\n     \r\n  <div class=\"flex flex-col gap-3 gap-4 sm:gap-6 w-full\">\r\n    <strong class=\"text-2xl font-semibold text-gray-900 dark:text-gray-200\">\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    <div class=\"text-gray-600 dark:text-gray-300 word-word\">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  <div class=\"flex items-center flex-col md:flex-row lg:flex-col xl:flex-row 2xl:flex-col gap-6 shrink-0\">\r\n          <a href=\"https:\/\/www.likacloud.com\/vi\/tolink\/ultahost-wordpress-hosting\/\">\r\n                  <img decoding=\"async\" src=\"https:\/\/www.likacloud.com\/wp-content\/uploads\/2025\/12\/20251227020448.webp\" alt=\"Logo UltaHost\" class=\"content-promotion-card-icon h-9 min-h-9 dark:hidden\" title=\"\">\r\n          <img decoding=\"async\" src=\"https:\/\/www.likacloud.com\/wp-content\/uploads\/2025\/12\/20251229052118.webp\" alt=\"Logo UltaHost\" class=\"content-promotion-card-icon h-9 min-h-9 hidden dark:block\" title=\"\">\r\n              <\/a>\r\n    \r\n    <a href=\"https:\/\/www.likacloud.com\/vi\/tolink\/ultahost-wordpress-hosting\/\"\r\n       class=\"bg-blue-500 w-full md:w-auto lg:w-full xl:w-auto 2xl:w-full text-center !text-white dark:!text-gray-200 !px-5 !py-1.5 rounded-full hover:bg-blue-600 transition-colors\">\r\n       Truy c\u1eadp trang    <\/a>\r\n  <\/div>\r\n<\/div>\n<!-- AUTO_SYNCED_PATTERN_INSERT_END -->\n\n\n\n\n\n<h3 class=\"wp-block-heading\">T\u1ed1i \u01b0u h\u00f3a H\u00ecnh \u1ea3nh v\u00e0 T\u00e0i nguy\u00ean \u0110a ph\u01b0\u01a1ng ti\u1ec7n<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00ecnh \u1ea3nh ch\u01b0a \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn khi\u1ebfn trang web tr\u1edf n\u00ean n\u1eb7ng n\u1ec1 v\u00e0 ch\u1eadm trong vi\u1ec7c t\u1ea3i. H\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c h\u00ecnh \u1ea3nh \u0111\u01b0\u1ee3c t\u1ea3i l\u00ean \u0111\u1ec1u \u0111\u00e3 \u0111\u01b0\u1ee3c n\u00e9n v\u00e0 \u0111i\u1ec1u ch\u1ec9nh k\u00edch th\u01b0\u1edbc sao cho ph\u00f9 h\u1ee3p v\u1edbi thi\u1ebft b\u1ecb hi\u1ec3n th\u1ecb.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1edbc h\u1ebft, h\u00e3y s\u1eed d\u1ee5ng c\u00e1c plugin nh\u01b0 ShortPixel, Imagify ho\u1eb7c EWWW Image Optimizer \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng n\u00e9n h\u00ecnh \u1ea3nh. Ti\u1ebfp theo, \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n \u0111\u00e3 thi\u1ebft l\u1eadp k\u00edch th\u01b0\u1edbc h\u00ecnh \u1ea3nh m\u1ed9t c\u00e1ch ph\u00f9 h\u1ee3p. WordPress m\u1eb7c \u0111\u1ecbnh s\u1ebd t\u1ea1o ra nhi\u1ec1u \u1ea3nh thu nh\u1ecf (thumbnails), v\u00e0 b\u1ea1n c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh ch\u00fang th\u00f4ng qua giao di\u1ec7n c\u1ee7a theme b\u1ea1n \u0111ang s\u1eed d\u1ee5ng.<code data-no-auto-translation=\"\">functions.php<\/code>H\u00e3y \u0111i\u1ec1u ch\u1ec9nh ho\u1eb7c v\u00f4 hi\u1ec7u h\u00f3a nh\u1eefng k\u00edch th\u01b0\u1edbc h\u00ecnh \u1ea3nh kh\u00f4ng c\u1ea7n thi\u1ebft. Cu\u1ed1i c\u00f9ng, h\u00e3y s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ecbnh d\u1ea1ng h\u00ecnh \u1ea3nh hi\u1ec7n \u0111\u1ea1i nh\u01b0 WebP. Nhi\u1ec1u ti\u1ec7n \u00edch t\u0103ng t\u1ed1c trang web 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 t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n \u0111\u1ed5i \u0111\u1ecbnh d\u1ea1ng PNG\/JPG th\u00e0nh WebP v\u00e0 cung c\u1ea5p h\u00ecnh \u1ea3nh \u0111\u00e3 \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i cho c\u00e1c tr\u00ecnh duy\u1ec7t h\u1ed7 tr\u1ee3 \u0111\u1ecbnh d\u1ea1ng n\u00e0y.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Tinh gi\u1ea3n v\u00e0 h\u1ee3p nh\u1ea5t c\u00e1c t\u1ec7p CSS c\u00f9ng JavaScript.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed7i t\u1ec7p CSS v\u00e0 JS \u0111\u1ec1u t\u1ea1o ra m\u1ed9t y\u00eau c\u1ea7u HTTP (request). Qu\u00e1 nhi\u1ec1u y\u00eau c\u1ea7u HTTP s\u1ebd l\u00e0m ch\u1eadm \u0111\u00e1ng k\u1ec3 t\u1ed1c \u0111\u1ed9 t\u1ea3i trang web.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y truy c\u1eadp v\u00e0o c\u00e0i \u0111\u1eb7t c\u1ee7a c\u00e1c plugin v\u00e0 theme, t\u00ecm v\u00e0 b\u1eadt c\u00e1c t\u00f9y ch\u1ecdn \u201cK\u1ebft h\u1ee3p c\u00e1c t\u1ec7p CSS\u201d (Merge CSS files) v\u00e0 \u201cK\u1ebft h\u1ee3p c\u00e1c t\u1ec7p JavaScript\u201d (Merge JavaScript files). \u0110\u1ed3ng th\u1eddi, \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n \u0111\u00e3 b\u1eadt t\u00ednh n\u0103ng \u201cT\u1ea3i JavaScript \u0111\u1ed3ng b\u1ed9\u201d (Load JavaScript synchronously) ho\u1eb7c \u201cT\u1ea3i JavaScript theo th\u1eddi gian\u201d (Load JavaScript asynchronously). \u0110i\u1ec1u n\u00e0y s\u1ebd gi\u00fap tr\u00ec ho\u00e3n vi\u1ec7c t\u1ea3i c\u00e1c script kh\u00f4ng quan tr\u1ecdng (ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c comment ho\u1eb7c plugin m\u1ea1ng x\u00e3 h\u1ed9i) cho \u0111\u1ebfn 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 trang kh\u00f4ng th\u1ec3 hi\u1ec3n th\u1ecb do b\u1ecb ch\u1eb7n b\u1edfi qu\u00e1 tr\u00ecnh t\u1ea3i script. Nhi\u1ec1u plugin n\u00e2ng cao v\u1ec1 hi\u1ec7u su\u1ea5t \u0111\u1ec1u cung c\u1ea5p t\u00ednh n\u0103ng n\u00e0y.<\/p>\n<!-- AUTO_INTERNAL_LINKS_START --><p>\u0110\u1ecdc th\u00eam <a href=\"https:\/\/www.likacloud.com\/vi\/knowledge\/wordpress\/wordpress-speed-optimization-guide-20-core-tips\/\">H\u01b0\u1edbng d\u1eabn t\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 WordPress t\u1ed1i th\u01b0\u1ee3ng: 20 k\u1ef9 thu\u1eadt c\u1ed1t l\u00f5i t\u1eeb ng\u01b0\u1eddi m\u1edbi \u0111\u1ebfn chuy\u00ean gia<\/a>\u3002<\/p><!-- AUTO_INTERNAL_LINKS_END -->\n\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ed1i \u01b0u h\u00f3a s\u00e2u c\u1ea5p cho m\u00e1y ch\u1ee7 v\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea5u tr\u00fac c\u01a1 b\u1ea3n c\u1ee7a m\u1ed9t trang web quy\u1ebft \u0111\u1ecbnh gi\u1edbi h\u1ea1n hi\u1ec7u n\u0103ng c\u1ee7a n\u00f3. M\u1ed9t m\u00e1y ch\u1ee7 ho\u1eb7c c\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh kh\u00f4ng \u0111\u00fang c\u00e1ch c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh r\u00e0o c\u1ea3n \u0111\u1ed1i v\u1edbi m\u1ecdi n\u1ed7 l\u1ef1c t\u1ed1i \u01b0u h\u00f3a ph\u00eda tr\u01b0\u1edbc (front-end).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">L\u1ef1a ch\u1ecdn g\u00f3i hosting hi\u1ec7u su\u1ea5t cao<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u00e1y ch\u1ee7 chia s\u1ebb th\u01b0\u1eddng c\u00f3 ngu\u1ed3n l\u1ef1c h\u1ea1n ch\u1ebf, kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng trang web c\u00f3 l\u01b0\u1ee3ng truy c\u1eadp l\u1edbn. B\u1ea1n n\u00ean c\u00e2n nh\u1eafc n\u00e2ng c\u1ea5p l\u00ean m\u00e1y ch\u1ee7 \u1ea3o tr\u00ean n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y (VPS), m\u00e1y ch\u1ee7 ri\u00eang (dedicated server) ho\u1eb7c m\u00e1y ch\u1ee7 WordPress \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf chuy\u00ean bi\u1ec7t. C\u00e1c lo\u1ea1i m\u00e1y ch\u1ee7 n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a ri\u00eang cho WordPress, t\u00edch h\u1ee3p s\u1eb5n c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 b\u1ed9 \u0111\u1ec7m (cache), h\u1ec7 th\u1ed1ng b\u1ea3o m\u1eadt v\u00e0 ch\u1ee9c n\u0103ng c\u1eadp nh\u1eadt t\u1ef1 \u0111\u1ed9ng, gi\u00fap b\u1ea1n ti\u1ebft ki\u1ec7m nhi\u1ec1u c\u00f4ng s\u1ee9c c\u1ea5u h\u00ecnh th\u1ee7 c\u00f4ng. H\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u00e1y ch\u1ee7 h\u1ed7 tr\u1ee3 PHP 8.0 tr\u1edf l\u00ean, OPCache, c\u00f9ng c\u00e1c giao th\u1ee9c HTTP\/2 ho\u1eb7c HTTP\/3.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">D\u1ecdn d\u1eb9p v\u00e0 t\u1ed1i \u01b0u h\u00f3a c\u01a1 s\u1edf d\u1eef li\u1ec7u<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Theo th\u1eddi gian, c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u1ee7a WordPress s\u1ebd t\u00edch l\u0169y m\u1ed9t l\u01b0\u1ee3ng l\u1edbn d\u1eef li\u1ec7u th\u1eeba, bao g\u1ed3m c\u00e1c phi\u00ean b\u1ea3n \u0111\u00e3 s\u1eeda \u0111\u1ed5i, b\u1ea3n th\u1ea3o, b\u00ecnh lu\u1eadn kh\u00f4ng h\u1eefu \u00edch, v\u00e0 d\u1eef li\u1ec7u t\u1ea1m th\u1eddi \u0111\u00e3 h\u1ebft h\u1ea1n.<\/p>\n<!-- AUTO_SYNCED_PATTERN_INSERT_START -->\n\r\n<div class=\"flex justify-between items-center flex-col lg:flex-row xl:flex-col 2xl:flex-row gap-6 sm:gap-8 rounded-lg border border-gray-200 dark:border-gray-700 p-4 mb-8 lg:mb-10 sm:p-6 bg-white dark:bg-gray-750 shadow-md transition-colors duration-300\"\r\n     data-link=\"https:\/\/www.likacloud.com\/vi\/tolink\/hosting-shared-hosting\/\">\r\n     \r\n  <div class=\"flex flex-col gap-3 gap-4 sm:gap-6 w-full\">\r\n    <strong class=\"text-2xl font-semibold text-gray-900 dark:text-gray-200\">\r\n      Hosting.com - l\u01b0u tr\u1eef chia s\u1ebb    <\/strong>\r\n    <div class=\"text-gray-600 dark:text-gray-300 word-word\">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  <div class=\"flex items-center flex-col md:flex-row lg:flex-col xl:flex-row 2xl:flex-col gap-6 shrink-0\">\r\n          <a href=\"https:\/\/www.likacloud.com\/vi\/tolink\/hosting-shared-hosting\/\">\r\n                  <img decoding=\"async\" src=\"https:\/\/www.likacloud.com\/wp-content\/uploads\/2025\/09\/20250901222940.svg\" alt=\"Logo c\u1ee7a Hosting.com\" class=\"content-promotion-card-icon h-9 min-h-9 dark:hidden\" title=\"\">\r\n          <img decoding=\"async\" src=\"https:\/\/www.likacloud.com\/wp-content\/uploads\/2025\/12\/20251228220957.webp\" alt=\"Logo c\u1ee7a Hosting.com\" class=\"content-promotion-card-icon h-9 min-h-9 hidden dark:block\" title=\"\">\r\n              <\/a>\r\n    \r\n    <a href=\"https:\/\/www.likacloud.com\/vi\/tolink\/hosting-shared-hosting\/\"\r\n       class=\"bg-blue-500 w-full md:w-auto lg:w-full xl:w-auto 2xl:w-full text-center !text-white dark:!text-gray-200 !px-5 !py-1.5 rounded-full hover:bg-blue-600 transition-colors\">\r\n       Truy c\u1eadp trang    <\/a>\r\n  <\/div>\r\n<\/div>\n<!-- AUTO_SYNCED_PATTERN_INSERT_END -->\n\n\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y th\u01b0\u1eddng xuy\u00ean s\u1eed d\u1ee5ng c\u00e1c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng (plugin) nh\u01b0 WP-Optimize ho\u1eb7c Advanced Database Cleaner \u0111\u1ec3 d\u1ecdn d\u1eb9p c\u01a1 s\u1edf d\u1eef li\u1ec7u. Nh\u1eefng ti\u1ec7n \u00edch n\u00e0y c\u00f3 th\u1ec3 x\u00f3a c\u00e1c b\u1ea3n ghi kh\u00f4ng c\u1ea7n thi\u1ebft m\u1ed9t c\u00e1ch an to\u00e0n v\u00e0 gi\u00fap t\u1ed1i \u01b0u h\u00f3a c\u1ea5u tr\u00fac c\u1ee7a c\u00e1c b\u1ea3ng trong c\u01a1 s\u1edf d\u1eef li\u1ec7u. Ngo\u00e0i ra, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3\u2026<code data-no-auto-translation=\"\">wp-config.php<\/code>Trong t\u1ec7p tin, s\u1ed1 l\u01b0\u1ee3ng phi\u00ean b\u1ea3n s\u1eeda \u0111\u1ed5i c\u1ee7a b\u00e0i vi\u1ebft \u0111\u01b0\u1ee3c gi\u1edbi h\u1ea1n b\u1eb1ng c\u00e1ch \u0111\u1ecbnh ngh\u0129a c\u00e1c h\u1eb1ng s\u1ed1.<\/p>\n\n\n\n<pre class=\"wp-block-code\" data-no-auto-translation=\"\"><code data-no-auto-translation=\"\">define(&#039;WP_POST_REVISIONS&#039;, 5);\ndefine(&#039;EMPTY_TRASH_DAYS&#039;, 7);<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1eed d\u1ee5ng \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u1ec7m (object cache) \u0111\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c l\u01b0u tr\u1eef d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch b\u1ec1n v\u1eefng (persistent storage).<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c trang web c\u00f3 nhi\u1ec1u n\u1ed9i dung \u0111\u1ed9ng v\u00e0 l\u01b0\u1ee3ng truy c\u1eadp l\u1edbn, vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 l\u01b0u tr\u1eef \u0111\u1ed1i t\u01b0\u1ee3ng (nh\u01b0 Redis ho\u1eb7c Memcached) c\u00f3 th\u1ec3 gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t \u0111\u00e1ng k\u1ec3. Nh\u1eefng c\u00f4ng c\u1ee5 n\u00e0y l\u01b0u tr\u1eef k\u1ebft qu\u1ea3 truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u, ph\u1ea3n h\u1ed3i t\u1eeb c\u00e1c API t\u1eeb xa, v.v., trong b\u1ed9 nh\u1edb, gi\u00fap truy c\u1eadp d\u1eef li\u1ec7u ch\u1ec9 trong v\u00e0i miligi\u00e2y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nhi\u1ec1u m\u00e1y ch\u1ee7 cao c\u1ea5p \u0111\u00e3 t\u00edch h\u1ee3p s\u1eb5n ch\u1ee9c n\u0103ng l\u01b0u tr\u1eef \u0111\u1ed1i t\u01b0\u1ee3ng (object caching). N\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 VPS, b\u1ea1n c\u00f3 th\u1ec3 t\u1ef1 c\u00e0i \u0111\u1eb7t d\u1ecbch v\u1ee5 Redis v\u00e0 k\u1ebft n\u1ed1i n\u00f3 th\u00f4ng qua c\u00e1c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng (plugins) nh\u01b0 Redis Object Cache. Sau khi c\u1ea5u h\u00ecnh \u0111\u00fang c\u00e1ch, t\u1ea3i tr\u00ean c\u01a1 s\u1edf d\u1eef li\u1ec7u s\u1ebd gi\u1ea3m \u0111\u00e1ng k\u1ec3.<\/p>\n<!-- AUTO_INTERNAL_LINKS_START --><p>\u0110\u1ecdc th\u00eam <a href=\"https:\/\/www.likacloud.com\/vi\/knowledge\/wordpress\/wordpress-performance-optimization-tips-guide\/\">10 m\u1eb9o t\u1ed1i \u01b0u h\u00f3a WordPress v\u00e0 h\u01b0\u1edbng d\u1eabn th\u1ef1c h\u00e0nh \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t trang web<\/a>\u3002<\/p><!-- AUTO_INTERNAL_LINKS_END -->\n\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c k\u1ef9 thu\u1eadt n\u00e2ng cao v\u1ec1 hi\u1ec7u su\u1ea5t v\u00e0 t\u1ed1i \u01b0u h\u00f3a SEO<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ngo\u00e0i c\u00e1c bi\u1ec7n ph\u00e1p t\u1ed1i \u01b0u h\u00f3a c\u01a1 b\u1ea3n, c\u00f2n c\u00f3 m\u1ed9t s\u1ed1 k\u1ef9 thu\u1eadt n\u00e2ng cao kh\u00e1c c\u00f3 th\u1ec3 mang l\u1ea1i s\u1ef1 c\u1ea3i thi\u1ec7n hi\u1ec7u n\u0103ng v\u00e0 l\u1ee3i \u00edch v\u1ec1 SEO.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Th\u1ef1c hi\u1ec7n vi\u1ec7c t\u1ea3i d\u1eef li\u1ec7u ch\u1eadm (delay loading) v\u00e0 t\u1ea3i d\u1eef li\u1ec7u theo nhu c\u1ea7u (lazy loading)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f4ng ngh\u1ec7 t\u1ea3i ch\u1eadm (lazy loading) \u0111\u1ea3m b\u1ea3o r\u1eb1ng h\u00ecnh \u1ea3nh, video ho\u1eb7c c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb trong iframe ch\u1ec9 \u0111\u01b0\u1ee3c t\u1ea3i v\u00e0o khi ch\u00fang xu\u1ea5t hi\u1ec7n g\u1ea7n v\u00f9ng hi\u1ec3n th\u1ecb tr\u00ean trang web. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 th\u1eddi gian t\u1ea3i trang ban \u0111\u1ea7u.<\/p>\n<!-- AUTO_SYNCED_PATTERN_INSERT_START -->\n\r\n<div class=\"flex justify-between items-center flex-col lg:flex-row xl:flex-col 2xl:flex-row gap-6 sm:gap-8 rounded-lg border border-gray-200 dark:border-gray-700 p-4 mb-8 lg:mb-10 sm:p-6 bg-white dark:bg-gray-750 shadow-md transition-colors duration-300\"\r\n     data-link=\"https:\/\/www.likacloud.com\/vi\/tolink\/interserver-webhosting\/\">\r\n     \r\n  <div class=\"flex flex-col gap-3 gap-4 sm:gap-6 w-full\">\r\n    <strong class=\"text-2xl font-semibold text-gray-900 dark:text-gray-200\">\r\n      M\u00e1y ch\u1ee7 chia s\u1ebb c\u1ee7a InterServer    <\/strong>\r\n    <div class=\"text-gray-600 dark:text-gray-300 word-word\">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  <div class=\"flex items-center flex-col md:flex-row lg:flex-col xl:flex-row 2xl:flex-col gap-6 shrink-0\">\r\n          <a href=\"https:\/\/www.likacloud.com\/vi\/tolink\/interserver-webhosting\/\">\r\n                  <img decoding=\"async\" src=\"https:\/\/www.likacloud.com\/wp-content\/uploads\/2025\/12\/20251228045033.svg\" alt=\"Logo c\u1ee7a InterServer\" class=\"content-promotion-card-icon h-9 min-h-9 dark:hidden\" title=\"\">\r\n          <img decoding=\"async\" src=\"https:\/\/www.likacloud.com\/wp-content\/uploads\/2025\/12\/20251229054830.webp\" alt=\"Logo c\u1ee7a InterServer\" class=\"content-promotion-card-icon h-9 min-h-9 hidden dark:block\" title=\"\">\r\n              <\/a>\r\n    \r\n    <a href=\"https:\/\/www.likacloud.com\/vi\/tolink\/interserver-webhosting\/\"\r\n       class=\"bg-blue-500 w-full md:w-auto lg:w-full xl:w-auto 2xl:w-full text-center !text-white dark:!text-gray-200 !px-5 !py-1.5 rounded-full hover:bg-blue-600 transition-colors\">\r\n       Truy c\u1eadp trang    <\/a>\r\n  <\/div>\r\n<\/div>\n<!-- AUTO_SYNCED_PATTERN_INSERT_END -->\n\n\n\n\n\n<p class=\"wp-block-paragraph\">T\u1eeb phi\u00ean b\u1ea3n 5.5 tr\u1edf \u0111i, WordPress \u0111\u00e3 b\u1ed5 sung t\u00ednh n\u0103ng t\u1ea3i \u1ea3nh theo ki\u1ec3u \u201clazy loading\u201d (t\u1ea3i \u1ea3nh t\u1eeb t\u1eeb khi ch\u00fang \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb tr\u00ean trang web) m\u1ed9t c\u00e1ch n\u1ed9i b\u1ed9 cho c\u00e1c h\u00ecnh \u1ea3nh c\u1ed1t l\u00f5i (core images). B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng t\u00ednh n\u0103ng n\u00e0y b\u1eb1ng c\u00e1ch\u2026<code data-no-auto-translation=\"\">img<\/code>Th\u00eam th\u1ebb<code data-no-auto-translation=\"\">loading=\"lazy\"<\/code>\u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua c\u00e1c thu\u1ed9c t\u00ednh (properties) c\u1ee5 th\u1ec3. H\u1ea7u h\u1ebft c\u00e1c ch\u1ee7 \u0111\u1ec1 (themes) v\u00e0 ti\u1ec7n \u00edch n\u00e2ng cao (performance plugins) hi\u1ec7n \u0111\u1ea1i c\u0169ng cung c\u1ea5p c\u00e1c ch\u1ee9c n\u0103ng t\u1ea3i d\u1eef li\u1ec7u (loading) theo y\u00eau c\u1ea7u (lazy loading) m\u1ed9t c\u00e1ch to\u00e0n di\u1ec7n h\u01a1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Lo\u1ea1i b\u1ecf c\u00e1c t\u00e0i nguy\u00ean \u0111ang c\u1ea3n tr\u1edf qu\u00e1 tr\u00ecnh render (hi\u1ec3n th\u1ecb n\u1ed9i dung trang web).<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Google\u2019s Core Web Vitals \u0111\u1eb7c bi\u1ec7t ch\u00fa tr\u1ecdng \u0111\u1ebfn ch\u1ec9 s\u1ed1 \u201cTh\u1eddi gian v\u1ebd n\u1ed9i dung l\u1edbn nh\u1ea5t\u201d (Maximum Content Drawing Time). \u0110\u1ec3 c\u1ea3i thi\u1ec7n ch\u1ec9 s\u1ed1 n\u00e0y, b\u1ea1n c\u1ea7n \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c \u0111o\u1ea1n CSS quan tr\u1ecdng \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o n\u1ed9i dung trang web (inline) v\u00e0 tr\u00ec ho\u00e3n vi\u1ec7c t\u1ea3i c\u00e1c \u0111o\u1ea1n CSS c\u0169ng nh\u01b0 JS kh\u00f4ng quan tr\u1ecdng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t s\u1ed1 plugin l\u01b0u tr\u1eef \u0111\u1ec7m n\u00e2ng cao cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng nh\u01b0 \u201cLo\u1ea1i b\u1ecf CSS kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng\u201d v\u00e0 \u201cT\u1ea1o CSS quan tr\u1ecdng\u201d. Ngo\u00e0i ra, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 \u0111\u1ec3 t\u1ef1 tay t\u1ea1o ra c\u00e1c \u0111o\u1ea1n CSS quan tr\u1ecdng v\u00e0 \u0111\u00ednh ch\u00fang v\u00e0o n\u1ed9i dung trang web (inline).<code data-no-auto-translation=\"\">&lt;head&gt;<\/code>M\u1ed9t s\u1ed1 ph\u1ea7n c\u1ee7a m\u00e3 CSS kh\u00f4ng quan tr\u1ecdng s\u1ebd \u0111\u01b0\u1ee3c t\u1ea3i \u0111\u1ed3ng b\u1ed9 theo ki\u1ec3u kh\u00f4ng \u0111\u1ed3ng b\u1ed9 (asynchronously).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">T\u1ed1i \u01b0u h\u00f3a qu\u00e1 tr\u00ecnh t\u1ea3i ph\u00f4ng ch\u1eef tr\u00ean trang web<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c t\u1ec7p ph\u00f4ng ch\u1eef t\u00f9y ch\u1ec9nh c\u00f3 th\u1ec3 c\u00f3 k\u00edch th\u01b0\u1edbc kh\u00e1 l\u1edbn, v\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng ch\u00fang c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 l\u1ec7ch v\u1ecb tr\u00ed trong b\u1ed1 c\u1ee5c trang web. \u0110\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb n\u00ean l\u01b0u tr\u1eef c\u00e1c ph\u00f4ng ch\u1eef tr\u00ean m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n v\u00e0 s\u1eed d\u1ee5ng ch\u00fang tr\u1ef1c ti\u1ebfp t\u1eeb \u0111\u00f3.<code data-no-auto-translation=\"\">font-display: swap;&lt;\/code; CSS\u5c5e\u6027\uff0c\u786e\u4fdd\u6587\u5b57\u5185\u5bb9\u5728\u5b57\u4f53\u52a0\u8f7d\u5b8c\u6210\u524d\u5148\u4f7f\u7528\u7cfb\u7edf\u5b57\u4f53\u663e\u793a\uff0c\u52a0\u8f7d\u540e\u518d\u66ff\u6362\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed3ng th\u1eddi, h\u00e3y xem x\u00e9t vi\u1ec7c thu nh\u1ecf t\u1eadp h\u1ee3p k\u00fd t\u1ef1 (character set) \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1eb1ng c\u00e1ch ch\u1ec9 gi\u1eef l\u1ea1i nh\u1eefng k\u00fd t\u1ef1 th\u1ef1c s\u1ef1 c\u1ea7n thi\u1ebft cho trang web c\u1ee7a b\u1ea1n, nh\u1eb1m gi\u1ea3m k\u00edch th\u01b0\u1edbc t\u1ec7p tin. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 ho\u1eb7c ph\u01b0\u01a1ng ph\u00e1p ph\u00f9 h\u1ee3p \u0111\u1ec3 th\u1ef1c hi\u1ec7n \u0111i\u1ec1u n\u00e0y.<code data-no-auto-translation=\"\">preload<\/code>L\u1eddi nh\u1eafc nh\u1edf \u0111\u1ec3 t\u1ea3i tr\u01b0\u1edbc c\u00e1c t\u1ec7p ph\u00f4ng ch\u1eef quan tr\u1ecdng nh\u1ea5t:<\/p>\n\n\n\n<pre class=\"wp-block-code\" data-no-auto-translation=\"\"><code data-no-auto-translation=\"\">&lt;link rel=&quot;preload&quot; href=&quot;\/fonts\/your-font.woff2&quot; as=&quot;font&quot; type=&quot;font\/woff2&quot; crossorigin&gt;<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">T\u00f3m l\u1ea1i<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ed1i \u01b0u h\u00f3a WordPress l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh li\u00ean t\u1ee5c, bao g\u1ed3m c\u1ea3 ph\u1ea7n front-end, back-end, m\u00e1y ch\u1ee7 v\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u. T\u1eeb vi\u1ec7c k\u00edch ho\u1ea1t c\u00e1c c\u00f4ng c\u1ee5 l\u01b0u tr\u1eef d\u1eef li\u1ec7u (cache) m\u1ea1nh m\u1ebd, t\u1ed1i \u01b0u h\u00f3a c\u00e1c t\u1ec7p tin media, \u0111\u1ebfn vi\u1ec7c l\u1ef1a ch\u1ecdn m\u00e1y ch\u1ee7 ph\u00f9 h\u1ee3p v\u00e0 d\u1ecdn d\u1eb9p c\u01a1 s\u1edf d\u1eef li\u1ec7u, m\u1ed7i b\u01b0\u1edbc \u0111\u1ec1u r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i c\u00f9ng v\u00e0 th\u1ee9 h\u1ea1ng tr\u00ean c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm. C\u00e1c c\u00f4ng ngh\u1ec7 nh\u01b0 t\u1ea3i n\u1ed9i dung theo y\u00eau c\u1ea7u (lazy loading), t\u1ed1i \u01b0u h\u00f3a m\u00e3 CSS v\u00e0 x\u1eed l\u00fd ph\u00f4ng ch\u1eef c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec3m s\u1ed1 cao trong c\u00e1c ch\u1ec9 s\u1ed1 ch\u00ednh c\u1ee7a trang web. H\u00e3y nh\u1edb r\u1eb1ng qu\u00e1 tr\u00ecnh t\u1ed1i \u01b0u h\u00f3a kh\u00f4ng bao gi\u1edd k\u1ebft th\u00fac; b\u1ea1n c\u1ea7n th\u01b0\u1eddng xuy\u00ean s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 Google PageSpeed Insights, GTmetrix \u0111\u1ec3 ki\u1ec3m tra trang web c\u1ee7a m\u00ecnh v\u00e0 li\u00ean t\u1ee5c \u0111i\u1ec1u ch\u1ec9nh d\u1ef1a tr\u00ean b\u00e1o c\u00e1o \u0111\u00f3, nh\u1eb1m \u0111\u1ea3m b\u1ea3o trang web lu\u00f4n \u1edf tr\u1ea1ng th\u00e1i t\u1ed1t nh\u1ea5t v\u1ec1 t\u1ed1c \u0111\u1ed9, hi\u1ec7u su\u1ea5t v\u00e0 kh\u1ea3 n\u0103ng hi\u1ec3n th\u1ecb tr\u00ean m\u1ea1ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">FAQ \u5e38\u89c1\u95ee\u9898<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">T\u00f4i n\u00ean s\u1eed d\u1ee5ng bao nhi\u00eau plugin t\u1ed1i \u01b0u h\u00f3a WordPress?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng n\u00ean c\u00e0i \u0111\u1eb7t qu\u00e1 nhi\u1ec1u plugin t\u1ed1i \u01b0u h\u00f3a c\u00f3 ch\u1ee9c n\u0103ng tr\u00f9ng l\u1eb7p, v\u00ec ch\u00fang c\u00f3 th\u1ec3 xung \u0111\u1ed9t v\u1edbi nhau v\u00e0 l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t c\u1ee7a trang web. Trong tr\u01b0\u1eddng h\u1ee3p l\u00fd t\u01b0\u1edfng, b\u1ea1n n\u00ean ch\u1ecdn m\u1ed9t plugin l\u01b0u tr\u1eef d\u1eef li\u1ec7u (cache) c\u00f3 ch\u1ee9c n\u0103ng \u0111\u1ea7y \u0111\u1ee7 (ch\u1eb3ng h\u1ea1n nh\u01b0 WP Rocket, LiteSpeed Cache), k\u1ebft h\u1ee3p v\u1edbi m\u1ed9t plugin t\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh chuy\u00ean d\u1ee5ng. Vi\u1ec7c d\u1ecdn d\u1eb9p c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u1ee7 c\u00f4ng m\u1ed7i th\u00e1ng m\u1ed9t l\u1ea7n; kh\u00f4ng c\u1ea7n ph\u1ea3i \u0111\u1ec3 c\u00e1c plugin li\u00ean quan ch\u1ea1y li\u00ean t\u1ee5c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Sau khi b\u1eadt t\u00ednh n\u0103ng l\u01b0u tr\u1eef \u0111\u1ec7m (cache), t\u1ea1i sao n\u1ed9i dung m\u00e0 t\u00f4i th\u1ea5y kh\u00f4ng ph\u1ea3i l\u00e0 phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng b\u00ecnh th\u01b0\u1eddng, v\u00ec b\u1ed9 \u0111\u1ec7m (cache) ch\u1ec9 l\u01b0u tr\u1eef c\u00e1c trang web t\u0129nh. \u0110\u1ec3 xem n\u1ed9i dung m\u1edbi nh\u1ea5t, b\u1ea1n c\u00f3 th\u1ec3 truy c\u1eadp trang web khi \u0111\u00e3 \u0111\u0103ng nh\u1eadp (truy c\u1eadp d\u00e0nh cho qu\u1ea3n tr\u1ecb vi\u00ean th\u01b0\u1eddng \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp \u0111\u1ec3 kh\u00f4ng l\u01b0u tr\u1eef n\u1ed9i dung trong b\u1ed9 \u0111\u1ec7m), ho\u1eb7c x\u00f3a to\u00e0n b\u1ed9 b\u1ed9 \u0111\u1ec7m th\u1ee7 c\u00f4ng. H\u1ea7u h\u1ebft c\u00e1c ti\u1ec7n \u00edch b\u1ed5 sung (plugin) d\u00f9ng \u0111\u1ec3 qu\u1ea3n l\u00fd b\u1ed9 \u0111\u1ec7m \u0111\u1ec1u cung c\u1ea5p t\u00ednh n\u0103ng t\u1ef1 \u0111\u1ed9ng x\u00f3a b\u1ed9 \u0111\u1ec7m li\u00ean quan sau khi b\u00e0i vi\u1ebft \u0111\u01b0\u1ee3c \u0111\u0103ng ho\u1eb7c c\u1eadp nh\u1eadt; vui l\u00f2ng \u0111\u1ea3m b\u1ea3o r\u1eb1ng t\u00f9y ch\u1ecdn n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 bi\u1ebft li\u1ec7u c\u00e1c bi\u1ec7n ph\u00e1p t\u1ed1i \u01b0u h\u00f3a c\u1ee7a t\u00f4i c\u00f3 hi\u1ec7u qu\u1ea3 hay kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 tr\u1ef1c tuy\u1ebfn mi\u1ec5n ph\u00ed \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c b\u00e0i ki\u1ec3m tra so s\u00e1nh tr\u01b0\u1edbc v\u00e0 sau khi t\u1ed1i \u01b0u h\u00f3a l\u00e0 c\u00e1ch t\u1ed1t nh\u1ea5t. Tr\u01b0\u1edbc v\u00e0 sau khi th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh t\u1ed1i \u01b0u h\u00f3a, h\u00e3y s\u1eed d\u1ee5ng Google PageSpeed Insights, WebPageTest ho\u1eb7c GTmetrix \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 trang ch\u1ee7 v\u00e0 c\u00e1c trang n\u1ed9i dung quan tr\u1ecdng c\u1ee7a b\u1ea1n. H\u00e3y ch\u00fa \u00fd \u0111\u1eb7c bi\u1ec7t \u0111\u1ebfn nh\u1eefng thay \u0111\u1ed5i v\u1ec1 \u0111i\u1ec3m s\u1ed1 c\u1ee7a c\u00e1c ch\u1ec9 s\u1ed1 c\u1ed1t l\u00f5i nh\u01b0 th\u1eddi gian t\u1ea3i trang, th\u1eddi gian hi\u1ec3n th\u1ecb n\u1ed9i dung l\u1ea7n \u0111\u1ea7u ti\u00ean, th\u1eddi gian hi\u1ec3n th\u1ecb to\u00e0n b\u1ed9 n\u1ed9i dung, v\u00e0 \u0111\u1ed9 l\u1ec7ch trong b\u1ed1 c\u1ee5c trang. Ngo\u00e0i ra, vi\u1ec7c theo d\u00f5i th\u1eddi gian ph\u1ea3n h\u1ed3i c\u1ee7a m\u00e1y ch\u1ee7 v\u00e0 th\u1eddi gian th\u1ef1c hi\u1ec7n c\u00e1c truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u0169ng c\u00f3 th\u1ec3 ph\u1ea3n \u00e1nh hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c thay \u0111\u1ed5i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf ph\u00eda m\u00e1y ch\u1ee7.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a m\u00e3 ngu\u1ed3n (t\u1ee9c l\u00e0 l\u00e0m cho m\u00e3 ngu\u1ed3n ng\u1eafn g\u1ecdn, s\u1ea1ch s\u1ebd v\u00e0 d\u1ec5 \u0111\u1ecdc h\u01a1n) c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c b\u1ed1 c\u1ee5c trang web b\u1ecb l\u1ed9n x\u1ed9n kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3 kh\u1ea3 n\u0103ng \u0111\u00f3 x\u1ea3y ra. N\u1ebfu plugin t\u00edch h\u1ee3p qu\u00e1 m\u1ea1nh m\u1ebd ho\u1eb7c tr\u00ec ho\u00e3n vi\u1ec7c t\u1ea3i c\u00e1c t\u1ec7p CSS\/JS c\u1ea7n thi\u1ebft cho m\u1ed9t ch\u1ee7 \u0111\u1ec1 ho\u1eb7c plugin n\u00e0o \u0111\u00f3, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c m\u1ea5t \u0111i c\u00e1c \u0111\u1ecbnh d\u1ea1ng thi\u1ebft k\u1ebf (styles) ho\u1eb7c c\u00e1c ch\u1ee9c n\u0103ng kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang nh\u01b0 mong \u0111\u1ee3i. Do \u0111\u00f3, sau khi b\u1eadt c\u00e1c t\u00ednh n\u0103ng n\u00e0y, b\u1ea1n c\u1ea7n ki\u1ec3m th\u1eed k\u1ef9 l\u01b0\u1ee1ng t\u1ea5t c\u1ea3 c\u00e1c trang v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 t\u01b0\u01a1ng t\u00e1c tr\u00ean trang web. H\u1ea7u h\u1ebft c\u00e1c plugin ch\u1ea5t l\u01b0\u1ee3ng cao \u0111\u1ec1u cung c\u1ea5p t\u00ednh n\u0103ng \u201cdanh s\u00e1ch lo\u1ea1i tr\u1eeb\u201d (exclusion list), cho ph\u00e9p b\u1ea1n lo\u1ea1i tr\u1eeb nh\u1eefng t\u1ec7p c\u1ee5 th\u1ec3 c\u00f3 th\u1ec3 g\u00e2y ra v\u1ea5n \u0111\u1ec1 kh\u1ecfi qu\u00e1 tr\u00ecnh t\u1ed1i \u01b0u h\u00f3a.<\/p>","protected":false},"excerpt":{"rendered":"<p>B\u00e0i vi\u1ebft tr\u00ecnh b\u00e0y c\u00f3 h\u1ec7 th\u1ed1ng c\u00e1c chi\u1ebfn l\u01b0\u1ee3c then ch\u1ed1t \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a website WordPress. N\u1ed9i dung bao g\u1ed3m c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 c\u1ed1t l\u00f5i nh\u01b0 tri\u1ec3n khai b\u1ed9 nh\u1edb \u0111\u1ec7m, t\u1ed1i \u01b0u h\u00ecnh \u1ea3nh v\u00e0 m\u00e3 ngu\u1ed3n, l\u1ef1a ch\u1ecdn hosting hi\u1ec7u su\u1ea5t cao, d\u1ecdn d\u1eb9p c\u01a1 s\u1edf d\u1eef li\u1ec7u, \u0111\u1ed3ng th\u1eddi gi\u1edbi thi\u1ec7u c\u00e1c k\u1ef9 thu\u1eadt n\u00e2ng cao nh\u01b0 t\u1ea3i ch\u1eadm, nh\u1eb1m n\u00e2ng cao to\u00e0n di\u1ec7n hi\u1ec7u su\u1ea5t website v\u00e0 th\u1ee9 h\u1ea1ng tr\u00ean c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm.<\/p>","protected":false},"author":7,"featured_media":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[159,400,402,456,401],"knowledge_category":[280],"class_list":["post-12390587","knowledge_post","type-knowledge_post","status-publish","hentry","tag-seo","tag-wordpress-optimization","tag-performance-improvement","tag-cache","tag-website-speed","knowledge_category-wordpress"],"acf":{"site_seo_keywords":"WordPress\u4f18\u5316,\u7f51\u7ad9\u901f\u5ea6\u63d0\u5347,\u6027\u80fd\u4f18\u5316,SEO\u6392\u540d,\u7f13\u5b58\u673a\u5236,\u56fe\u7247\u538b\u7f29,\u6570\u636e\u5e93\u6e05\u7406,\u6838\u5fc3\u7f51\u9875\u6307\u6807"},"_links":{"self":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12390587","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts"}],"about":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/types\/knowledge_post"}],"author":[{"embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/users\/7"}],"version-history":[{"count":4,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12390587\/revisions"}],"predecessor-version":[{"id":12403777,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12390587\/revisions\/12403777"}],"wp:attachment":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/media?parent=12390587"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/tags?post=12390587"},{"taxonomy":"knowledge_category","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_category?post=12390587"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}