{"id":12369786,"date":"2026-03-15T05:01:52","date_gmt":"2026-03-14T21:01:52","guid":{"rendered":"https:\/\/www.likacloud.com\/knowledge\/%e5%ae%8c%e6%95%b4%e7%9a%84wordpress%e4%bc%98%e5%8c%96%e6%8c%87%e5%8d%97%ef%bc%9a%e4%bb%8e%e9%80%9f%e5%ba%a6%e5%88%b0%e5%ae%89%e5%85%a8%e6%80%a7%e7%9a%84%e5%85%a8%e6%96%b9%e4%bd%8d%e6%8f%90%e5%8d%87\/"},"modified":"2026-06-03T18:30:42","modified_gmt":"2026-06-03T10:30:42","slug":"complete-wordpress-optimization-guide-speed-security-strategies","status":"publish","type":"knowledge_post","link":"https:\/\/www.likacloud.com\/vi\/knowledge\/wordpress\/complete-wordpress-optimization-guide-speed-security-strategies\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn t\u1ed1i \u01b0u h\u00f3a WordPress to\u00e0n di\u1ec7n: C\u00e1c chi\u1ebfn l\u01b0\u1ee3c n\u00e2ng cao tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng t\u1eeb t\u1ed1c \u0111\u1ed9 \u0111\u1ebfn b\u1ea3o m\u1eadt"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 trang web WordPress n\u00e0o, t\u1ed1c \u0111\u1ed9 l\u00e0 n\u1ec1n t\u1ea3ng quan tr\u1ecdng cho tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng v\u00e0 th\u1ee9 h\u1ea1ng tr\u00ean c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm. M\u1ed9t trang web t\u1ea3i ch\u1eadm s\u1ebd d\u1eabn \u0111\u1ebfn t\u1ef7 l\u1ec7 ng\u01b0\u1eddi d\u00f9ng r\u1eddi trang cao, t\u1ef7 l\u1ec7 chuy\u1ec3n \u0111\u1ed5i th\u1ea5p, v\u00e0 \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c \u0111\u1ebfn c\u00f4ng t\u00e1c t\u1ed1i \u01b0u h\u00f3a SEO (Search Engine Optimization). Vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 c\u1ea7n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u00ean nhi\u1ec1u ph\u01b0\u01a1ng di\u1ec7n, bao g\u1ed3m m\u00e1y ch\u1ee7, t\u00e0i nguy\u00ean ph\u00eda tr\u01b0\u1edbc (front-end), c\u01a1 s\u1edf d\u1eef li\u1ec7u (database) v\u00e0 c\u00e1c chi\u1ebfn l\u01b0\u1ee3c l\u01b0u tr\u1eef d\u1eef li\u1ec7u (cache).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Core Performance Indicators and Monitoring<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh t\u1ed1i \u01b0u h\u00f3a, \u0111i\u1ec1u \u0111\u1ea7u ti\u00ean c\u1ea7n l\u00e0m l\u00e0 hi\u1ec3u r\u00f5 t\u00ecnh tr\u1ea1ng hi\u1ec7u n\u0103ng hi\u1ec7n t\u1ea1i c\u1ee7a trang web. C\u00e1c c\u00f4ng c\u1ee5 mi\u1ec5n ph\u00ed nh\u01b0 Google PageSpeed Insights, GTmetrix v\u00e0 WebPageTest l\u00e0 nh\u1eefng c\u00f4ng c\u1ee5 r\u1ea5t h\u1eefu \u00edch; ch\u00fang cung c\u1ea5p d\u1eef li\u1ec7u v\u1ec1 c\u00e1c ch\u1ec9 s\u1ed1 web quan tr\u1ecdng nh\u01b0 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 th\u1eddi gian ph\u1ea3n h\u1ed3i c\u1ee7a trang web khi ng\u01b0\u1eddi d\u00f9ng nh\u1eadp d\u1eef li\u1ec7u l\u1ea7n \u0111\u1ea7u ti\u00ean. C\u00e1c plugin d\u00e0nh cho WordPress c\u0169ng c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh n\u00e0y\u2026<code data-no-auto-translation=\"\">Query Monitor<\/code>Ch\u00fang t\u00f4i c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n theo d\u00f5i tr\u1ef1c ti\u1ebfp c\u00e1c truy v\u1ea5n v\u00e0o c\u01a1 s\u1edf d\u1eef li\u1ec7u, l\u1ed7i PHP v\u00e0 qu\u00e1 tr\u00ecnh t\u1ea3i c\u00e1c t\u1eadp tin script, t\u1eeb \u0111\u00f3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c c\u00e1c \u0111i\u1ec3m ngh\u1ebdn v\u1ec1 hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Vi\u1ec7c tri\u1ec3n khai c\u01a1 ch\u1ebf l\u01b0u tr\u1eef \u0111\u1ec7m (cache) hi\u1ec7u qu\u1ea3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">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. N\u00f3 ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch l\u01b0u tr\u1eef c\u00e1c b\u1ea3n sao c\u1ee7a c\u00e1c trang web t\u0129nh, gi\u00fap tr\u00e1nh vi\u1ec7c ph\u1ea3i th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c ph\u1ee9c t\u1ea1p nh\u01b0 x\u1eed l\u00fd m\u00e3 PHP v\u00e0 truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u m\u1ed7i l\u1ea7n ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp trang web. L\u01b0u tr\u1eef \u0111\u1ed1i t\u01b0\u1ee3ng (object cache) c\u00f3 th\u1ec3 gi\u00fap t\u0103ng t\u1ed1c \u0111\u1ed9 tr\u1ea3 v\u1ec1 k\u1ebft qu\u1ea3 t\u1eeb c\u00e1c truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u, trong khi l\u01b0u tr\u1eef trang (page cache) th\u00ec cung c\u1ea5<\/p>\n<!-- AUTO_INTERNAL_LINKS_START --><p>\u0110\u1ecdc th\u00eam <a href=\"https:\/\/www.likacloud.com\/vi\/pl\/knowledge\/wordpress\/wordpress-website-speed-optimization-guide-core-techniques\/\">H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n t\u1ed1i \u01b0u t\u1ed1c \u0111\u1ed9 trang web WordPress: C\u00e1c k\u1ef9 thu\u1eadt c\u1ed1t l\u00f5i t\u1eeb c\u01a1 b\u1ea3n \u0111\u1ebfn n\u00e2ng cao<\/a>\u3002<\/p><!-- AUTO_INTERNAL_LINKS_END -->\n\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi h\u1ea7u h\u1ebft ng\u01b0\u1eddi d\u00f9ng, ch\u00fang t\u00f4i khuy\u00ean n\u00ean s\u1eed d\u1ee5ng c\u00e1c plugin l\u01b0u tr\u1eef \u0111\u1ec7m (cache) m\u1ea1nh m\u1ebd nh\u01b0\u2026<code data-no-auto-translation=\"\">WP Rocket<\/code>\u3001<code data-no-auto-translation=\"\">W3 Total Cache<\/code>\u6216<code data-no-auto-translation=\"\">LiteSpeed Cache<\/code>N\u1ebfu m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n h\u1ed7 tr\u1ee3 ph\u1ea7n m\u1ec1m m\u00e1y ch\u1ee7 LiteSpeed,<code data-no-auto-translation=\"\">LiteSpeed Cache<\/code>C\u00e1c plugin n\u00e0y c\u00f3 th\u1ec3 mang l\u1ea1i hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi nh\u1eefng gi\u1ea3i ph\u00e1p kh\u00e1c. Ngo\u00e0i ra, b\u1ea1n nh\u1ea5t \u0111\u1ecbnh ph\u1ea3i b\u1eadt ch\u1ee9c n\u0103ng l\u01b0u tr\u1eef \u0111\u1ec7m (cache) c\u1ee7a tr\u00ecnh duy\u1ec7t v\u00e0 thi\u1ebft l\u1eadp c\u00e1c ti\u00eau \u0111\u1ec1 HTTP (HTTP headers) \u0111\u1ec3 cho ph\u00e9p tr\u00ecnh duy\u1ec7t c\u1ee7a ng\u01b0\u1eddi d\u00f9ng l\u01b0u tr\u1eef c\u00e1c t\u00e0i nguy\u00ean t\u0129nh (nh\u01b0 h\u00ecnh \u1ea3nh, CSS, JS), t\u1eeb \u0111\u00f3 gi\u1ea3m b\u1edbt vi\u1ec7c t\u1ea3i ch\u00fang l\u1ea1i nhi<\/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<p class=\"wp-block-paragraph\">M\u1ed9t v\u00ed d\u1ee5 \u0111\u01a1n gi\u1ea3n nh\u01b0ng hi\u1ec7u qu\u1ea3 v\u1ec1 m\u00e3 l\u1ec7nh t\u1ea1o b\u1ed9 \u0111\u1ec7m th\u1ee7 c\u00f4ng (cache), c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o ch\u1ee7 \u0111\u1ec1 (theme) c\u1ee7a b\u1ea1n:<code data-no-auto-translation=\"\">functions.php<\/code>Trong t\u1ec7p tin n\u00e0y, c\u00f3 c\u00e1c th\u00f4ng tin \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thi\u1ebft l\u1eadp th\u1eddi h\u1ea1n hi\u1ec7u l\u1ef1c (th\u1eddi gian \u201ch\u1ebft h\u1ea1n\u201d) c\u1ee7a c\u00e1c t\u00e0i nguy\u00ean t\u0129nh (static resources).<\/p>\n\n\n\n<pre class=\"wp-block-code\" data-no-auto-translation=\"\"><code class=\"language-apache\" data-no-auto-translation=\"\"># \u901a\u8fc7 .htaccess \u6587\u4ef6\u8bbe\u7f6e\u6d4f\u89c8\u5668\u7f13\u5b58\u8fc7\u671f\u65f6\u95f4\n&lt;IfModule mod_expires.c&gt;\nExpiresActive On\nExpiresByType image\/jpg &quot;access plus 1 year&quot;\nExpiresByType image\/jpeg &quot;access plus 1 year&quot;\nExpiresByType image\/gif &quot;access plus 1 year&quot;\nExpiresByType image\/png &quot;access plus 1 year&quot;\nExpiresByType text\/css &quot;access plus 1 month&quot;\nExpiresByType application\/javascript &quot;access plus 1 month&quot;\n&lt;\/IfModule&gt;<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c k\u1ef9 thu\u1eadt t\u1ed1i \u01b0u h\u00f3a t\u00e0i nguy\u00ean ph\u00eda tr\u01b0\u1edbc (front-end resources)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c c\u00e1c t\u00e0i nguy\u00ean ph\u00eda tr\u01b0\u1edbc (front-end resources) qu\u00e1 c\u1ed3ng k\u1ec1nh l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn g\u00e2y ra t\u1ed1c \u0111\u1ed9 trang web ch\u1eadm. Vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh l\u00e0 r\u1ea5t quan tr\u1ecdng: h\u00e3y lu\u00f4n s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 ShortPixel ho\u1eb7c Imagify \u0111\u1ec3 n\u00e9n h\u00ecnh \u1ea3nh, v\u00e0 c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng \u0111\u1ecbnh d\u1ea1ng WebP. \u0110\u1ed1i v\u1edbi c\u00e1c t\u1ec7p CSS v\u00e0 JavaScript, b\u1ea1n n\u00ean ti\u1ebfn h\u00e0nh vi\u1ec7c gi\u1ea3m k\u00edch th\u01b0\u1edbc (minimize) v\u00e0 k\u1ebft h\u1ee3p ch\u00fang l\u1ea1i v\u1edbi nhau (merge), nh\u01b0ng c\u1ea7n l\u01b0u \u00fd \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u00fang c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 c\u1ea3n tr\u1edf trong qu\u00e1 tr\u00ecnh hi\u1ec3n th\u1ecb trang (rendering blocking). Vi\u1ec7c s\u1eed d\u1ee5ng ph\u01b0\u01a1ng th\u1ee9c t\u1ea3i \u0111\u1ed3ng b\u1ed9 (synchronous loading) ho\u1eb7c t\u1ea3i ch\u1eadm (lazy loading) \u0111\u1ed1i v\u1edbi c\u00e1c \u0111o\u1ea1n JavaScript kh\u00f4ng quan tr\u1ecdng (ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c khung b\u00ecnh lu\u1eadn, c\u00e1c ti\u1ec7n \u00edch m\u1ea1ng x\u00e3 h\u1ed9i) c\u00f3 th\u1ec3 gi\u00fap c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 t\u1ed1c \u0111\u1ed9 t\u1ea3i trang \u0111\u1ea7u ti\u00ean.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">WordPress 5.5 tr\u1edf l\u00ean \u0111\u00e3 h\u1ed7 tr\u1ee3 t\u00ednh n\u0103ng t\u1ea3i \u1ea3nh theo th\u1eddi gian th\u1ef1c (lazy loading) m\u1ed9t c\u00e1ch natively (t\u1ee9c l\u00e0 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n trong h\u1ec7 th\u1ed1ng), v\u00e0 b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c plugin \u0111\u1ec3 ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh n\u00e0y m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c h\u01a1n. Ngo\u00e0i ra, h\u00e3y lo\u1ea1i b\u1ecf nh\u1eefng \u0111o\u1ea1n CSS v\u00e0 JS kh\u00f4ng c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, v\u00e0 c\u00e2n nh\u1eafc vi\u1ec7c \u0111\u01b0a c\u00e1c \u0111o\u1ea1n CSS quan tr\u1ecdng v\u00e0o n\u1ed9i dung HTML (inline) \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9<code data-no-auto-translation=\"\">&lt;head&gt;<\/code>M\u1ed9t s\u1ed1 ph\u1ea7n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u1eb1m t\u0103ng t\u1ed1c \u0111\u1ed9 qu\u00e1 tr\u00ecnh hi\u1ec3n th\u1ecb trang web l\u1ea7n \u0111\u1ea7u (rendering).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Vi\u1ec7c b\u1ea3o tr\u00ec v\u00e0 d\u1ecdn d\u1eb9p \u0111\u1ecbnh k\u1ef3 c\u01a1 s\u1edf d\u1eef li\u1ec7u (database) l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng. C\u00e1c c\u00f4ng vi\u1ec7c n\u00e0y bao g\u1ed3m:<\/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, nh\u01b0 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. Nh\u1eefng d\u1eef li\u1ec7u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m ch\u1eadm t\u1ed1c \u0111\u1ed9 th\u1ef1c hi\u1ec7n c\u00e1c truy v\u1ea5n. B\u1ea1n n\u00ean th\u01b0\u1eddng xuy\u00ean s\u1eed d\u1ee5ng c\u00e1c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng (plugin) \u0111\u1ec3 d\u1ecdn d\u1eb9p c\u01a1<code data-no-auto-translation=\"\">WP-Optimize<\/code>\u6216<code data-no-auto-translation=\"\">Advanced Database Cleaner<\/code>Th\u1ef1c hi\u1ec7n c\u00f4ng vi\u1ec7c d\u1ecdn d\u1eb9p v\u00e0 t\u1ed1i \u01b0u h\u00f3a v\u1ec1 m\u1eb7t b\u1ea3o m\u1eadt. T\u1ed1i \u01b0u h\u00f3a c\u00e1c b\u1ea3ng trong c\u01a1 s\u1edf d\u1eef li\u1ec7u (th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c c\u1ea7n thi\u1ebft).<code data-no-auto-translation=\"\">OPTIMIZE TABLE<\/code>L\u1ec7nh n\u00e0y c\u0169ng c\u00f3 th\u1ec3 gi\u00fap kh\u00f4i ph\u1ee5c kh\u00f4ng gian l\u01b0u tr\u1eef b\u1ecb ph\u00e2n m\u1ea3nh v\u00e0 n\u00e2ng cao hi\u1ec7u su\u1ea5t. \u0110\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb n\u00ean thi\u1ebft l\u1eadp c\u00f4ng vi\u1ec7c n\u00e0y th\u00e0nh m\u1ed9t t\u00e1c v\u1ee5 \u0111\u1ecbnh k\u1ef3 di\u1ec5n ra m\u1ed7i th\u00e1ng.<\/p>\n<!-- AUTO_INTERNAL_LINKS_START --><p>\u0110\u1ecdc th\u00eam <a href=\"https:\/\/www.likacloud.com\/vi\/pl\/knowledge\/wordpress\/wordpress-optimization-guide-20-tips-speed-performance-2026\/\">H\u01b0\u1edbng d\u1eabn t\u1ed1i \u01b0u WordPress t\u1ed1i th\u01b0\u1ee3ng: 20 m\u1eb9o th\u1ef1c t\u1ebf \u0111\u1ec3 c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 v\u00e0 hi\u1ec7u su\u1ea5t website<\/a>\u3002<\/p><!-- AUTO_INTERNAL_LINKS_END -->\n\n\n\n\n<h2 class=\"wp-block-heading\">T\u0103ng c\u01b0\u1eddng b\u1ea3o v\u1ec7 an ninh trang web<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">An ninh l\u00e0 m\u1ed9t tr\u1ee5 c\u1ed9t quan tr\u1ecdng kh\u00e1c trong qu\u00e1 tr\u00ecnh t\u1ed1i \u01b0u h\u00f3a WordPress. M\u1ed9t trang web b\u1ecb x\u00e2m nh\u1eadp b\u1edfi hacker s\u1ebd m\u1ea5t h\u1ebft v\u1ecb tr\u00ed x\u1ebfp h\u1ea1ng tr\u00ean c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm (SEO) v\u00e0 s\u1ef1 tin t\u01b0\u1edfng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. WordPress tr\u1edf th\u00e0nh m\u1ee5c ti\u00eau t\u1ea5n c\u00f4ng ph\u1ed5 bi\u1ebfn do m\u1ee9c \u0111\u1ed9 ph\u1ed5 bi\u1ebfn c\u1ee7a n\u00f3, nh\u01b0ng nh\u1eefng bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 c\u00f3 h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 nguy c\u01a1 n\u00e0y.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">T\u0103ng c\u01b0\u1eddng \u0111\u0103ng nh\u1eadp v\u00e0 ki\u1ec3m so\u00e1t truy c\u1eadp<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eadt kh\u1ea9u y\u1ebfu v\u00e0 t\u00ean ng\u01b0\u1eddi d\u00f9ng m\u1eb7c \u0111\u1ecbnh (ch\u1eb3ng h\u1ea1n nh\u01b0 \u201cadmin\u201d) l\u00e0 nh\u1eefng l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt l\u1edbn nh\u1ea5t. H\u00e3y b\u1eaft bu\u1ed9c ng\u01b0\u1eddi d\u00f9ng s\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u c\u00f3 \u0111\u1ed9 m\u1ea1nh cao, h\u1ea1n ch\u1ebf s\u1ed1 l\u1ea7n th\u1eed \u0111\u0103ng nh\u1eadp, v\u00e0 s\u1eed d\u1ee5ng c\u00e1c ti\u1ec7n \u00edch b\u1ed5 sung (plugins) nh\u01b0\u2026<code data-no-auto-translation=\"\">Wordfence<\/code>\u6216<code data-no-auto-translation=\"\">Limit Login Attempts Reloaded<\/code>\u0110i\u1ec1u n\u00e0y nh\u1eb1m ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng b\u1eb1ng ph\u01b0\u01a1ng th\u1ee9c \u0111\u00e1nh c\u1eafp m\u1eadt kh\u1ea9u (cracking). Vi\u1ec7c k\u00edch ho\u1ea1t x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 (two-factor authentication) s\u1ebd b\u1ed5 sung m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7 quan tr\u1ecdng cho t\u00e0i kho\u1ea3n qu\u1ea3n tr\u1ecb vi\u00ean. Ngo\u00e0i ra, h\u00e3y xem x\u00e9t vi\u1ec7c thay \u0111\u1ed5i \u0111\u1ecba ch\u1ec9 URL \u0111\u0103ng nh\u1eadp m\u1eb7<code data-no-auto-translation=\"\">\/wp-admin<\/code> \u548c <code data-no-auto-translation=\"\">\/wp-login.php<\/code>\u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 ng\u0103n ch\u1eb7n m\u1ed9t l\u01b0\u1ee3ng l\u1edbn c\u00e1c k\u1ecbch b\u1ea3n t\u1ea5n c\u00f4ng t\u1ef1 \u0111\u1ed9ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Chi\u1ebfn l\u01b0\u1ee3c c\u1eadp nh\u1eadt ph\u1ea7n c\u1ed1t l\u00f5i v\u00e0 c\u00e1c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng (plugins)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c lu\u00f4n c\u1eadp nh\u1eadt phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t cho WordPress c\u1ed1t l\u00f5i, c\u00e1c giao di\u1ec7n (theme) v\u00e0 plugin l\u00e0 \u0111i\u1ec1u v\u00f4 c\u00f9ng quan tr\u1ecdng. C\u00e1c b\u1ea3n c\u1eadp nh\u1eadt b\u1ea3o m\u1eadt th\u01b0\u1eddng \u0111\u01b0\u1ee3c ph\u00e1t h\u00e0nh nh\u1eb1m s\u1eeda c\u00e1c l\u1ed7 h\u1ed5ng \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1; vi\u1ec7c tr\u00ec ho\u00e3n vi\u1ec7c c\u1eadp nh\u1eadt t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi vi\u1ec7c \u0111\u1ec3 h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n tr\u1edf n\u00ean d\u1ec5 b\u1ecb t\u1ea5n c\u00f4ng. Tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n c\u1eadp nh\u1eadt, h\u00e3y ch\u1eafc ch\u1eafn th\u1eed nghi\u1ec7m n\u00f3 trong m\u00f4i tr\u01b0\u1eddng ki\u1ec3m th\u1eed, ho\u1eb7c s\u1eed d\u1ee5ng c\u00e1c plugin h\u1ed7 tr\u1ee3 sao l\u01b0u d\u1eef li\u1ec7u. \u0110\u1ed1i v\u1edbi nh\u1eefng plugin v\u00e0 giao di\u1ec7n kh\u00f4ng c\u00f2n \u0111\u01b0\u1ee3c b\u1ea3o tr\u00ec n\u1eefa, h\u00e3y t\u00ecm ngay nh\u1eefng gi\u1ea3i ph\u00e1p thay th\u1ebf v\u00e0 g\u1ee1 ch\u00fang kh\u1ecfi h\u1ec7 th\u1ed1ng c\u1ee7a b\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<h3 class=\"wp-block-heading\">C\u1ea5u h\u00ecnh quy\u1ec1n truy c\u1eadp an to\u00e0n cho c\u00e1c t\u1ec7p tin<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Quy\u1ec1n truy c\u1eadp v\u00e0o t\u1ec7p kh\u00f4ng \u0111\u00fang c\u00e1ch c\u00f3 th\u1ec3 cho ph\u00e9p k\u1ebb t\u1ea5n c\u00f4ng t\u1ea3i l\u00ean ho\u1eb7c thay \u0111\u1ed5i c\u00e1c t\u1ec7p \u0111\u1ed9c h\u1ea1i. C\u00e1c th\u01b0 m\u1ee5c quan tr\u1ecdng nh\u01b0\u2026<code data-no-auto-translation=\"\">wp-content\/uploads<\/code>Quy\u1ec1n truy c\u1eadp (permissions) n\u00ean \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp th\u00e0nh 755 \u0111\u1ed1i v\u1edbi c\u00e1c t\u1ec7p tin quan tr\u1ecdng nh\u01b0\u2026<code data-no-auto-translation=\"\">wp-config.php<\/code>Quy\u1ec1n truy c\u1eadp n\u00ean \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp th\u00e0nh 644 ho\u1eb7c cao h\u01a1n.<code data-no-auto-translation=\"\">wp-config.php<\/code>T\u1ec7p tin ch\u1ee9a th\u00f4ng tin x\u00e1c th\u1ef1c c\u01a1 s\u1edf d\u1eef li\u1ec7u; v\u00ec v\u1eady, n\u00f3 c\u1ea7n \u0111\u01b0\u1ee3c di chuy\u1ec3n \u0111\u1ebfn th\u01b0 m\u1ee5c c\u1ea5p tr\u00ean c\u1ee7a th\u01b0 m\u1ee5c g\u1ed1c (kh\u00f4ng ph\u1ea3i th\u01b0 m\u1ee5c web). \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p b\u1ea3o v\u1ec7 hi\u1ec7u qu\u1ea3 nh\u1ea5t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Tri\u1ec3n khai B\u1ee9c t\u01b0\u1eddng l\u1eeda \u1ee9ng d\u1ee5ng Web (Web Application Firewall \u2013 WAF)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Web Application Firewall (WAF) l\u00e0 l\u1edbp b\u1ea3o v\u1ec7 n\u1eb1m gi\u1eefa trang web c\u1ee7a b\u1ea1n v\u00e0 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp t\u1eeb internet. N\u00f3 c\u00f3 th\u1ec3 l\u1ecdc c\u00e1c y\u00eau c\u1ea7u \u0111\u1ed9c h\u1ea1i, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ki\u1ec3u SQL injection (x\u00e2m nh\u1eadp qua truy v\u1ea5n SQL) ho\u1eb7c cross-site scripting (x\u00e2m nh\u1eadp th\u00f4ng qua m\u00e3 JavaScript \u0111\u01b0\u1ee3c th\u1ef1c thi t\u1eeb trang web kh\u00e1c). B\u1ea1n c\u00f3 th\u1ec3 c\u00e0i \u0111\u1eb7t c\u00e1c ti\u1ec7n \u00edch b\u1ed5 sung (plugins) an ninh \u0111\u1ec3 t\u0103ng c<code data-no-auto-translation=\"\">Sucuri Security<\/code>\u6216<code data-no-auto-translation=\"\">Wordfence<\/code>Ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tri\u1ec3n khai b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 b\u1ea3o m\u1eadt d\u1ef1a tr\u00ean \u1ee9ng d\u1ee5ng (c\u00f3 ch\u1ee9c n\u0103ng t\u01b0\u1eddng l\u1eeda \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n) ho\u1eb7c d\u1ecbch v\u1ee5 WAF (Web Application Firewall) \u1edf c\u1ea5p \u0111\u1ed9 DNS (nh\u01b0 Cloudflare, Sucuri Firewall). C\u00e1c d\u1ecbch v\u1ee5 n\u00e0y cho ph\u00e9p ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng s\u1edbm h\u01a1n, ngay c\u1ea3 tr\u01b0\u1edbc khi l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ebfn m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ed1i \u01b0u h\u00f3a m\u00e1y ch\u1ee7 v\u00e0 m\u00f4i tr\u01b0\u1eddng l\u01b0u tr\u1eef<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Hi\u1ec7u su\u1ea5t v\u00e0 b\u1ea3o m\u1eadt c\u1ee7a m\u1ed9t trang web ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o m\u00f4i tr\u01b0\u1eddng m\u00e1y ch\u1ee7 m\u00e0 n\u00f3 \u0111\u01b0\u1ee3c v\u1eadn h\u00e0nh. Vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1ea3i ph\u00e1p l\u01b0u tr\u1eef ph\u00f9 h\u1ee3p v\u00e0 c\u1ea5u h\u00ecnh ch\u00fang m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c s\u1ebd t\u1ea1o n\u00ean n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc cho t\u1ea5t c\u1ea3 c\u00e1c bi\u1ec7n ph\u00e1p t\u1ed1i \u01b0u h\u00f3a sau n\u00e0y.<\/p>\n<!-- AUTO_INTERNAL_LINKS_START --><p>\u0110\u1ecdc th\u00eam <a href=\"https:\/\/www.likacloud.com\/vi\/pl\/knowledge\/wordpress\/wordpress-optimization-guide-speed-security-strategies\/\">H\u01b0\u1edbng d\u1eabn t\u1ed1i \u01b0u WordPress to\u00e0n di\u1ec7n: Chi\u1ebfn l\u01b0\u1ee3c n\u00e2ng cao t\u1eeb t\u1ed1c \u0111\u1ed9 \u0111\u1ebfn b\u1ea3o m\u1eadt<\/a>\u3002<\/p><!-- AUTO_INTERNAL_LINKS_END -->\n\n\n\n\n<h3 class=\"wp-block-heading\">Ch\u1ecdn gi\u1ea3i ph\u00e1p l\u01b0u tr\u1eef hi\u1ec7u su\u1ea5t cao<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 d\u1ecbch v\u1ee5 m\u00e1y ch\u1ee7 chia s\u1ebb r\u1ebb ti\u1ec1n, nh\u01b0ng t\u00e0i nguy\u00ean c\u1ee7a ch\u00fang b\u1ecb h\u1ea1n ch\u1ebf v\u00e0 c\u00e1c trang web l\u00e2n c\u1eadn c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a b\u1ea1n. \u0110\u1ed1i v\u1edbi nh\u1eefng trang web c\u00f3 l\u01b0\u1ee3ng truy c\u1eadp l\u1edbn v\u00e0 y\u00eau c\u1ea7u cao, b\u1ea1n n\u00ean c\u00e2n nh\u1eafc n\u00e2ng c\u1ea5p l\u00ean VPS (M\u00e1y ch\u1ee7 \u1ea3o ri\u00eang), m\u00e1y ch\u1ee7 chuy\u00ean d\u1ee5ng ho\u1eb7c m\u00e1y ch\u1ee7 WordPress \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd chuy\u00ean nghi\u1ec7p. C\u00e1c m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd th\u01b0\u1eddng cung c\u1ea5p b\u1ed9 c\u00f4ng c\u1ee5 d\u00e0nh ri\u00eang cho WordPress (nh\u01b0 Nginx, LiteSpeed), t\u1ef1 \u0111\u1ed9ng c\u1eadp nh\u1eadt, sao l\u01b0u chuy\u00ean nghi\u1ec7p v\u00e0 h\u1ec7 th\u1ed1ng \u0111\u1ec7m (cache) t\u00edch h\u1ee3p s\u1eb5n, gi\u00fap ti\u1ebft ki\u1ec7m r\u1ea5t nhi\u1ec1u th\u1eddi gian cho c\u00f4ng t\u00e1c v\u1eadn h\u00e0nh v\u00e0 b\u1ea3o tr\u00ec.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u1ea5u h\u00ecnh ph\u1ea7n m\u1ec1m m\u00e1y ch\u1ee7 hi\u1ec7n \u0111\u1ea1i<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n \u0111ang ch\u1ea1y c\u00e1c ph\u1ea7n m\u1ec1m hi\u1ec7n \u0111\u1ea1i. V\u00ed d\u1ee5, h\u00e3y s\u1eed d\u1ee5ng c\u00e1c phi\u00ean b\u1ea3n PHP 8.x; hi\u1ec7u n\u0103ng c\u1ee7a ch\u00fang cao h\u01a1n nhi\u1ec1u so v\u1edbi PHP 5.6. \u0110\u1ed3ng th\u1eddi, h\u00e3y b\u1eadt t\u00ednh n\u0103ng l\u01b0u tr\u1eef b\u1ed9 \u0111\u1ec7m m\u00e3 l\u1ec7nh ( opcode cache) nh\u01b0 OPcache \u2013 c\u00f4ng c\u1ee5 n\u00e0y s\u1ebd l\u01b0u tr\u1eef m\u00e3 byte c\u1ee7a c\u00e1c t\u1eadp l\u1ec7nh PHP \u0111\u00e3 \u0111\u01b0\u1ee3c bi\u00ean d\u1ecbch trong b\u1ed9 nh\u1edb, gi\u00fap tr\u00e1nh vi\u1ec7c ph\u1ea3i bi\u00ean d\u1ecbch l\u1ea1i m\u1ed7i l\u1ea7n y\u00eau c\u1ea7u, t\u1eeb \u0111\u00f3 n\u00e2ng cao \u0111\u00e1ng k\u1ec3 t\u1ed1c \u0111\u1ed9 th\u1ef1c thi c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh PHP.<code data-no-auto-translation=\"\">php.ini<\/code>Vi\u1ec7c c\u1ea5u h\u00ecnh OPcache trong h\u1ec7 th\u1ed1ng l\u00e0 m\u1ed9t b\u01b0\u1edbc quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh t\u1ed1i \u01b0u h\u00f3a m\u00e1y ch\u1ee7.<\/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<h3 class=\"wp-block-heading\">K\u00edch ho\u1ea1t giao th\u1ee9c HTTPS v\u00e0 HTTP\/2<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">HTTPS\u4e0d\u4ec5\u662f\u5b89\u5168\u6807\u51c6\uff0c\u4e5f\u662fGoogle\u7684\u6392\u540d\u56e0\u7d20\u3002\u5b83\u901a\u8fc7SSL\/TLS\u8bc1\u4e66\u5bf9\u6570\u636e\u8fdb\u884c\u52a0\u5bc6\u3002\u73b0\u5728\u53ef\u4ee5\u901a\u8fc7Let\u2018s Encrypt\u514d\u8d39\u83b7\u53d6\u8bc1\u4e66\u3002\u542f\u7528HTTPS\u540e\uff0c\u5e94\u786e\u4fdd\u7f51\u7ad9\u6240\u6709\u8d44\u6e90\u90fd\u901a\u8fc7HTTPS\u52a0\u8f7d\uff0c\u907f\u514d\u6df7\u5408\u5185\u5bb9\u8b66\u544a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed3ng th\u1eddi, h\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n h\u1ed7 tr\u1ee3 v\u00e0 \u0111\u00e3 k\u00edch ho\u1ea1t giao th\u1ee9c HTTP\/2. HTTP\/2 cho ph\u00e9p s\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt \u0111a lu\u1ed3ng (multiplexing) qua m\u1ed9t k\u1ebft n\u1ed1i duy nh\u1ea5t, gi\u00fap gi\u1ea3m b\u1edbt chi ph\u00ed thi\u1ebft l\u1eadp nhi\u1ec1u k\u1ebft n\u1ed1i TCP, t\u1eeb \u0111\u00f3 \u0111\u00e1ng k\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 t\u1ea3i trang web ch\u1ee9a nhi\u1ec1u t\u00e0i nguy\u00ean.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">N\u1ed9i dung v\u00e0 c\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t cho SEO<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t trang web nhanh ch\u00f3ng v\u00e0 an to\u00e0n cu\u1ed1i c\u00f9ng c\u0169ng nh\u1eb1m m\u1ee5c \u0111\u00edch tr\u00ecnh b\u00e0y n\u1ed9i dung m\u1ed9t c\u00e1ch t\u1ed1t h\u01a1n v\u00e0 thu h\u00fat ng\u01b0\u1eddi truy c\u1eadp. Ch\u1ec9 b\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p t\u1ed1i \u01b0u h\u00f3a c\u00f4ng ngh\u1ec7 v\u1edbi c\u00e1c chi\u1ebfn l\u01b0\u1ee3c SEO cho n\u1ed9i dung, ch\u00fang ta m\u1edbi c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 t\u0103ng tr\u01b0\u1edfng l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">T\u1ed1i \u01b0u h\u00f3a c\u1ea5u tr\u00fac n\u1ed9i dung v\u00e0 c\u00e1c li\u00ean k\u1ebft n\u1ed9i b\u1ed9 (internal links)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t c\u1ea5u tr\u00fac trang web r\u00f5 r\u00e0ng kh\u00f4ng ch\u1ec9 gi\u00fap c\u1ea3i thi\u1ec7n tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng m\u00e0 c\u00f2n h\u1ed7 tr\u1ee3 c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm (search engines) trong vi\u1ec7c thu th\u1eadp d\u1eef li\u1ec7u trang web. H\u00e3y s\u1eed d\u1ee5ng c\u00e1c th\u1ebb HTML5 c\u00f3 \u00fd ngh\u0129a r\u00f5 r\u00e0ng, x\u00e2y d\u1ef1ng c\u1ea5u tr\u00fac th\u01b0 m\u1ee5c theo d\u1ea1ng ph\u1eb3ng, v\u00e0 t\u0103ng c\u01b0\u1eddng s\u1ef1 li\u00ean k\u1ebft gi\u1eefa c\u00e1c trang b\u1eb1ng c\u00f4ng c\u1ee5 \u0111i\u1ec1u h\u01b0\u1edbng d\u1ea1ng \u201cm\u00f9i b\u00e1nh m\u00ec\u201d (breadcrumb navigation). C\u00e1c li\u00ean k\u1ebft n\u1ed9i b\u1ed9 \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c truy\u1ec1n th\u00f4ng tin v\u1ec1 \u201ctr\u1ecdng l\u01b0\u1ee3ng\u201d c\u1ee7a trang (page authority) v\u00e0 h\u01b0\u1edbng d\u1eabn ng\u01b0\u1eddi d\u00f9ng \u0111i\u1ec1u h\u01b0\u1edbng tr\u00ean trang web. Vi\u1ec7c \u0111\u1eb7t c\u00e1c li\u00ean k\u1ebft m\u1ed9t c\u00e1ch t\u1ef1 nhi\u00ean v\u00e0 li\u00ean quan<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Qu\u1ea3n l\u00fd th\u01b0 vi\u1ec7n ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng v\u00e0 d\u1eef li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c t\u1ec7p h\u00ecnh \u1ea3nh v\u00e0 video trong th\u01b0 vi\u1ec7n truy\u1ec1n th\u00f4ng c\u1ea7n \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd m\u1ed9t c\u00e1ch c\u1ea9n th\u1eadn. Ngo\u00e0i vi\u1ec7c n\u00e9n ch\u00fang, h\u00e3y th\u00eam cho m\u1ed7i t\u1ec7p nh\u1eefng t\u00ean t\u1ec7p m\u00f4 t\u1ea3 r\u00f5 r\u00e0ng, v\u0103n b\u1ea3n thay th\u1ebf (alternative text) v\u00e0 ti\u00eau \u0111\u1ec1 (title). V\u0103n b\u1ea3n thay th\u1ebf s\u1ebd cung c\u1ea5p th\u00f4ng tin m\u00f4 t\u1ea3 khi h\u00ecnh \u1ea3nh kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea3i xu\u1ed1ng, v\u00e0 \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c gi\u00fap c\u00e1c c\u00f4ng c\u1ee5 \u0111\u1ecdc m\u00e0n h\u00ecnh (screen readers) v\u00e0 c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm (search engines) hi\u1ec3u \u0111\u01b0\u1ee3c n\u1ed9i dung c\u1ee7a h\u00ecnh \u1ea3nh<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ngo\u00e0i ra, h\u00e3y th\u00eam d\u1eef li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac (Schema Markup) v\u00e0o n\u1ed9i dung c\u1ee7a b\u1ea1n. \u0110i\u1ec1u n\u00e0y s\u1ebd gi\u00fap c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 n\u1ed9i dung trang web (nh\u01b0 b\u00e0i vi\u1ebft, s\u1ea3n ph\u1ea9m, s\u1ef1 ki\u1ec7n, v.v.), v\u00e0 c\u00f3 th\u1ec3 t\u1ea1o ra nh\u1eefng b\u1ea3n t\u00f3m t\u1eaft chi ti\u1ebft h\u01a1n trong k\u1ebft qu\u1ea3 t\u00ecm ki\u1ebfm, t\u1eeb \u0111\u00f3 gi\u00fap t\u0103ng t\u1ef7 l\u1ec7 ng\u01b0\u1eddi d\u00f9ng nh\u1ea5p v\u00e0o c\u00e1c li\u00ean k\u1ebft li\u00ean quan. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c plugin \u0111\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c n\u00e0y.<code data-no-auto-translation=\"\">Rank Math<\/code>\u6216<code data-no-auto-translation=\"\">Yoast SEO<\/code>\u0111\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a qu\u00e1 tr\u00ecnh th\u00eam v\u00e0o.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">T\u1ea1o li\u00ean k\u1ebft v\u0129nh c\u1eedu c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ecm ki\u1ebfm<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e0i \u0111\u1eb7t li\u00ean k\u1ebft v\u0129nh c\u1eedu (permanent links) trong WordPress c\u00f3 \u1ea3nh h\u01b0\u1edfng l\u00e2u d\u00e0i \u0111\u1ebfn hi\u1ec7u qu\u1ea3 SEO (Search Engine Optimization). B\u1ea1n n\u00ean tr\u00e1nh s\u1eed d\u1ee5ng c\u00e1c li\u00ean k\u1ebft m\u1eb7c \u0111\u1ecbnh v\u00ec ch\u00fang th\u01b0\u1eddng ch\u1ee9a c\u00e1c th\u00f4ng tin kh\u00f4ng c\u1ea7n thi\u1ebft ho\u1eb7c g\u00e2y hi\u1ec3u l\u1ea7m cho c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm.<code data-no-auto-translation=\"\">?p=123<\/code>C\u1ea5u tr\u00fac li\u00ean k\u1ebft (link structure) c\u1ea7n ph\u1ea3n \u00e1nh n\u1ed9i dung c\u1ee7a trang web m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng. B\u1ea1n n\u00ean ch\u1ecdn lo\u1ea1i ti\u00eau \u0111\u1ec1 ph\u00f9 h\u1ee3p \u0111\u1ec3 m\u00f4 t\u1ea3 n\u1ed9i dung trang, ch\u1eb3ng h\u1ea1n nh\u01b0 \u201cT\u00ean b\u00e0i vi\u1ebft\u201d ho\u1eb7c \u201cTh\u1ec3 lo\u1ea1i\/T\u00ean b\u00e0i vi\u1ebft\u201d. M\u1ed9t \u0111\u1ecba ch\u1ec9 URL r\u00f5 r\u00e0ng v\u00e0 ch\u1ee9a c\u00e1c t\u1eeb kh\u00f3a kh\u00f4ng ch\u1ec9 gi\u00fap ng\u01b0\u1eddi d\u00f9ng d\u1ec5 d\u00e0ng t\u00ecm th\u1ea5y n\u1ed9i dung mong mu\u1ed1n, m\u00e0 c\u00f2n l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng trong vi\u1ec7c x\u1ebfp h\u1ea1ng trang web tr\u00ean c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm. B\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u1ea5u h\u00ecnh n\u00e0y trong m\u1ee5c \u201cC\u00e0i \u0111\u1eb7<\/p>\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 t\u1ed5ng th\u1ec3, bao g\u1ed3m nhi\u1ec1u kh\u00eda c\u1ea1nh nh\u01b0 t\u1ed1c \u0111\u1ed9 trang web, b\u1ea3o m\u1eadt, m\u00e1y ch\u1ee7 v\u00e0 n\u1ed9i dung, ch\u1ee9 kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt \u0111\u01a1n l\u1ebb. H\u00e3y b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch tri\u1ec3n khai c\u00e1c c\u00f4ng c\u1ee5 l\u01b0u tr\u1eef d\u1eef li\u1ec7u (cache) m\u1ea1nh m\u1ebd v\u00e0 n\u00e9n c\u00e1c t\u00e0i nguy\u00ean ph\u00eda tr\u01b0\u1edbc (front-end resources) \u0111\u1ec3 x\u00e2y d\u1ef1ng n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc cho t\u1ed1c \u0111\u1ed9 trang web; t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt b\u1eb1ng c\u00e1ch b\u1ea3o v\u1ec7 qu\u00e1 tr\u00ecnh \u0111\u0103ng nh\u1eadp, c\u1eadp nh\u1eadt n\u1ed9i dung th\u01b0\u1eddng xuy\u00ean v\u00e0 c\u1ea5u h\u00ecnh c\u00e1c c\u00f4ng c\u1ee5 ch\u1ed1ng t\u1ea5n c\u00f4ng web (WAF \u2013 Web Application Firewalls); l\u1ef1a ch\u1ecdn v\u00e0 c\u1ea5u h\u00ecnh m\u00f4i tr\u01b0\u1eddng m\u00e1y ch\u1ee7 ph\u00f9 h\u1ee3p \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o trang web ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u qu\u1ea3; cu\u1ed1i c\u00f9ng, k\u1ebft h\u1ee3p n\u1ed9i dung ch\u1ea5t l\u01b0\u1ee3ng cao, \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm (SEO) v\u1edbi c\u1ea5u tr\u00fac trang web r\u00f5 r\u00e0ng \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i nh\u1eefng \u01b0u th\u1ebf k\u1ef9 thu\u1eadt th\u00e0nh l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp th\u1ef1c t\u1ebf v\u00e0 s\u1ef1 tham gia c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. B\u1eb1ng c\u00e1ch ki\u1ec3m tra, th\u1eed nghi\u1ec7m v\u00e0 li\u00ean t\u1ee5c c\u1eadp nh\u1eadt c\u00e1c chi\u1ebfn l\u01b0\u1ee3c n\u00e0y, trang web WordPress c\u1ee7a b\u1ea1n s\u1ebd lu\u00f4n duy tr\u00ec v\u1ecb tr\u00ed d\u1eabn \u0111\u1ea7u v\u1ec1 m\u1eb7t hi\u1ec7u su\u1ea5t, b\u1ea3o m\u1eadt v\u00e0 kh\u1ea3 n\u0103ng hi\u1ec3n th\u1ecb tr\u00ean c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm.<\/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\">N\u1ebfu kh\u00f4ng s\u1eed d\u1ee5ng c\u00e1c plugin t\u0103ng t\u1ed1c \u0111\u1ed9 trang web (cache plugins), b\u1ea1n c\u00f3 th\u1ec3 t\u1ef1 m\u00ecnh t\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a WordPress theo nh\u1eefng c\u00e1ch sau:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 c\u00e1c ti\u1ec7n \u00edch l\u01b0u tr\u1eef \u0111\u1ec7m (cache plugins) cung c\u1ea5p m\u1ed9t gi\u1ea3i ph\u00e1p ti\u1ec7n l\u1ee3i v\u00e0 t\u1eadp trung, vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a th\u1ee7 c\u00f4ng cho ph\u00e9p b\u1ea1n c\u00f3 \u0111\u01b0\u1ee3c s\u1ef1 ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c h\u01a1n. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u01a1 b\u1ea3n bao g\u1ed3m: k\u00edch ho\u1ea1t ch\u1ee9c n\u0103ng l\u01b0u tr\u1eef \u0111\u1ec7m d\u1eef li\u1ec7u (v\u00ed d\u1ee5: s\u1eed d\u1ee5ng Redis ho\u1eb7c Memcached), c\u1ea5u h\u00ecnh th\u1ee7 c\u00f4ng ch\u1ee9c n\u0103ng l\u01b0u tr\u1eef trang tr\u00ean ph\u00eda m\u00e1y ch\u1ee7 (ch\u1eb3ng h\u1ea1n: thi\u1ebft l\u1eadp b\u1ed9 l\u01b0u tr\u1eef \u0111\u1ec7m qua proxy trong Nginx), v\u00e0 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 kh\u00e1c \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng.<code data-no-auto-translation=\"\">Autoptimize<\/code>Plugin ch\u1ec9 t\u1ed1i \u01b0u h\u00f3a c\u00e1c t\u1ec7p CSS\/JS\/HTML m\u00e0 kh\u00f4ng th\u1ef1c hi\u1ec7n vi\u1ec7c l\u01b0u tr\u1eef (cache) to\u00e0n b\u1ed9 n\u1ed9i dung trang web, \u0111\u1ed3ng th\u1eddi c\u0169ng kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a giao di\u1ec7n (theme) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<code data-no-auto-translation=\"\">functions.php<\/code>B\u1ea1n c\u00f3 th\u1ec3 vi\u1ebft m\u00e3 \u0111\u1ec3 ch\u1ec9nh s\u1eeda n\u1ed9i dung ph\u1ea7n \u0111\u1ea7u trang (header), v\u00f4 hi\u1ec7u h\u00f3a c\u00e1c k\u00fd hi\u1ec7u bi\u1ec3u c\u1ea3m (emoji), qu\u1ea3n l\u00fd qu\u00e1 tr\u00ecnh t\u1ea3i c\u00e1c script, v.v. Vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a th\u1ee7 c\u00f4ng \u0111\u00f2i h\u1ecfi k\u1ef9 n\u0103ng k\u1ef9 thu\u1eadt cao h\u01a1n, nh\u01b0ng n\u00f3 gi\u00fap gi\u1ea3m b\u1edbt s\u1ef1 ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c plugin.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Sau khi trang web b\u1eadt ch\u1ebf \u0111\u1ed9 HTTPS, t\u1ed1c \u0111\u1ed9 truy c\u1eadp c\u00f3 b\u1ecb gi\u1ea3m kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trong th\u1eddi k\u1ef3 \u0111\u1ea7u, vi\u1ec7c k\u00edch ho\u1ea1t HTTPS (\u0111\u1ecbnh d\u1ea1ng m\u00e3 h\u00f3a SSL\/TLS) s\u1ebd g\u00e2y ra m\u1ed9t \u00edt t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn hi\u1ec7u n\u0103ng t\u00ednh to\u00e1n do qu\u00e1 tr\u00ecnh thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i (g\u1ecdi l\u00e0 \u201cqu\u00e1 tr\u00ecnh giao ti\u1ebfp handshake\u201d). Tuy nhi\u00ean, nh\u1edd s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a ph\u1ea7n c\u1ee9ng v\u00e0 c\u00e1c giao th\u1ee9c hi\u1ec7n \u0111\u1ea1i (ch\u1eb3ng h\u1ea1n nh\u01b0 TLS 1.3), nh\u1eefng t\u00e1c \u0111\u1ed9ng n\u00e0y \u0111\u00e3 tr\u1edf n\u00ean kh\u00f4ng \u0111\u00e1ng k\u1ec3. \u0110i\u1ec1u quan tr\u1ecdng h\u01a1n l\u00e0 giao th\u1ee9c HTTP\/2 th\u01b0\u1eddng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u ph\u1ea3i s\u1eed d\u1ee5ng k\u00e8m v\u1edbi HTTPS; c\u00e1c t\u00ednh n\u0103ng nh\u01b0 \u0111a lu\u1ed3ng (multiplexing) c\u1ee7a HTTP\/2 mang l\u1ea1i s\u1ef1 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 v\u1ec1 hi\u1ec7u n\u0103ng, v\u01b0\u1ee3t xa nh\u1eefng chi ph\u00ed t\u00ednh to\u00e1n nh\u1ecf do vi\u1ec7c m\u00e3 h\u00f3a g\u00e2y ra. Do \u0111\u00f3, sau khi k\u00edch ho\u1ea1t HTTPS v\u00e0 HTTP\/2, t\u1ed1c \u0111\u1ed9 truy c\u1eadp v\u00e0o trang web th\u01b0\u1eddng s\u1ebd nhanh h\u01a1n, \u0111\u1ed3ng th\u1eddi trang web c\u0169ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 t\u1ed1t h\u01a1n v\u1ec1 m\u1eb7t b\u1ea3o m\u1eadt v\u00e0 c\u00f3 l\u1ee3i th\u1ebf trong c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm (SEO).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Li\u1ec7u vi\u1ec7c c\u1eadp nh\u1eadt t\u1ef1 \u0111\u1ed9ng cho ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a WordPress c\u00f3 an to\u00e0n kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c phi\u00ean b\u1ea3n ph\u1ee5 v\u00e0 phi\u00ean b\u1ea3n b\u1ea3o m\u1eadt (v\u00ed d\u1ee5: t\u1eeb 5.9.1 c\u1eadp nh\u1eadt l\u00ean 5.9.2), vi\u1ec7c t\u1ef1 \u0111\u1ed9ng c\u1eadp nh\u1eadt WordPress th\u01b0\u1eddng l\u00e0 an to\u00e0n v\u00e0 \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb, v\u00ec ch\u00fang ch\u1ee7 y\u1ebfu ch\u1ee9a c\u00e1c b\u1ea3n c\u1eadp nh\u1eadt b\u1ea3o m\u1eadt v\u00e0 s\u1eeda l\u1ed7i; nguy c\u01a1 x\u1ea3y ra thay \u0111\u1ed5i l\u1edbn l\u00e0 r\u1ea5t th\u1ea5p. \u0110\u1ed1i v\u1edbi c\u00e1c phi\u00ean b\u1ea3n ch\u00ednh (v\u00ed d\u1ee5: t\u1eeb 5.9 c\u1eadp nh\u1eadt l\u00ean 6.0), do c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n nh\u1eefng thay \u0111\u1ed5i kh\u00f4ng t\u01b0\u01a1ng th\u00edch, b\u1ea1n n\u00ean c\u1ea9n th\u1eadn h\u01a1n: tr\u01b0\u1edbc khi c\u1eadp nh\u1eadt, h\u00e3y ki\u1ec3m tra xem theme v\u00e0 t\u1ea5t c\u1ea3 c\u00e1c plugin c\u1ee7a b\u1ea1n c\u00f3 t\u01b0\u01a1ng th\u00edch v\u1edbi phi\u00ean b\u1ea3n m\u1edbi hay kh\u00f4ng trong m\u00f4i tr\u01b0\u1eddng th\u1eed nghi\u1ec7m. D\u00f9 trong tr\u01b0\u1eddng h\u1ee3p n\u00e0o \u0111i n\u1eefa, vi\u1ec7c sao l\u01b0u to\u00e0n b\u1ed9 d\u1eef li\u1ec7u tr\u01b0\u1edbc m\u1ed7i l\u1ea7n c\u1eadp nh\u1eadt lu\u00f4n l\u00e0 quy t\u1eafc v\u00e0ng c\u1ea7n tu\u00e2n theo.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh li\u1ec7u ch\u1ee7 \u0111\u1ec1 WordPress c\u1ee7a t\u00f4i c\u00f3 g\u1eb7p v\u1ea5n \u0111\u1ec1 v\u1ec1 hi\u1ec7u n\u0103ng hay kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3 m\u1ed9t s\u1ed1 c\u00e1ch \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t c\u1ee7a m\u1ed9t ch\u1ee7 \u0111\u1ec1 (theme) tr\u00ean trang web. \u0110\u1ea7u ti\u00ean, h\u00e3y s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t (nh\u01b0 PageSpeed Insights) \u0111\u1ec3 ki\u1ec3m tra \u0111i\u1ec3m s\u1ed1 trang web khi ch\u1ee7 \u0111\u1ec1 hi\u1ec7n t\u1ea1i \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t v\u00e0 khi chuy\u1ec3n sang ch\u1ee7 \u0111\u1ec1 m\u1eb7c \u0111\u1ecbnh (v\u00ed d\u1ee5: Twenty Twenty-Two), sau \u0111\u00f3 so s\u00e1nh s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa hai tr\u01b0\u1eddng h\u1ee3p \u0111\u00f3. Th\u1ee9 hai, h\u00e3y\u2026<code data-no-auto-translation=\"\">Query Monitor<\/code>Plugin n\u00e0y cho ph\u00e9p b\u1ea1n xem s\u1ed1 l\u01b0\u1ee3ng truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 th\u1eddi gian \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n khi s\u1eed d\u1ee5ng m\u1ed9t ch\u1ee7 \u0111\u1ec1 (theme) c\u1ee5 th\u1ec3. M\u1ed9t ch\u1ee7 \u0111\u1ec1 k\u00e9m hi\u1ec7u qu\u1ea3 c\u00f3 th\u1ec3 ch\u1ee9a qu\u00e1 nhi\u1ec1u l\u1ec7nh truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u kh\u00f4ng c\u1ea7n thi\u1ebft, t\u1ea3i nhi\u1ec1u script v\u00e0 ki\u1ec3u d\u00e1ng (style) kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, ho\u1eb7c s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 x\u00e2y d\u1ef1ng trang (page builder) ph\u1ee9c t\u1ea1p. H\u00e3y ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng m\u00e3 ngu\u1ed3n c\u1ee7a t\u1ec7p ch\u1ee7 \u0111\u1ec1 \u0111\u1ec3 t\u00ecm c\u00e1c v\u00f2ng l\u1eb7p ho\u1eb7c truy v\u1ea5n kh\u00f4ng hi\u1ec7u qu\u1ea3. N\u1ebfu ch\u1ee7 \u0111\u1ec1 \u0111\u00f3 qu\u00e1 n\u1eb7ng n\u1ec1, h\u00e3y c\u00e2n nh\u1eafc thay th\u1ebf n\u00f3 b\u1eb1ng m\u1ed9t ch\u1ee7 \u0111\u1ec1 nh\u1eb9 h\u01a1n v\u00e0 \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh t\u1ed1t h\u01a1n.<\/p>","protected":false},"excerpt":{"rendered":"<p>B\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p c\u00e1c chi\u1ebfn l\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a to\u00e0n di\u1ec7n cho WordPress, t\u1eadp trung v\u00e0o hai kh\u00eda c\u1ea1nh ch\u00ednh l\u00e0 t\u1ed1c \u0111\u1ed9 v\u00e0 b\u1ea3o m\u1eadt. 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