{"id":33567,"date":"2025-01-10T12:32:58","date_gmt":"2025-01-10T04:32:58","guid":{"rendered":"https:\/\/www.ematicsolutions.com\/?p=33567"},"modified":"2025-01-12T01:16:17","modified_gmt":"2025-01-11T17:16:17","slug":"core-web-vitals-la-gi","status":"publish","type":"post","link":"https:\/\/www.ematicsolutions.com\/vn\/core-web-vitals-la-gi\/","title":{"rendered":"Core Web Vitals l\u00e0 g\u00ec? C\u00e1c ch\u1ec9 s\u1ed1 c\u1ea3i thi\u1ec7n th\u1ee9 h\u1ea1ng website"},"content":{"rendered":"\r\n<p>Trong b\u1ed1i c\u1ea3nh Google ng\u00e0y c\u00e0ng \u0111\u1eb7t n\u1eb7ng tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng, <a href=\"https:\/\/www.ematicsolutions.com\/vn\/core-web-vitals-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">Core Web Vitals<\/a> tr\u1edf th\u00e0nh ti\u00eau ch\u00ed c\u1ed1t l\u00f5i gi\u00fap x\u1ebfp h\u1ea1ng trang web. N\u1ebfu b\u1ea1n mu\u1ed1n website v\u01b0\u1ee3t qua \u0111\u1ed1i th\u1ee7, Core Web Vitals ch\u00ednh l\u00e0 y\u1ebfu t\u1ed1 kh\u00f4ng th\u1ec3 b\u1ecf qua. C\u00f9ng <a href=\"https:\/\/www.ematicsolutions.com\/vn\/\" target=\"_blank\" rel=\"noopener\">Ematic Solutions<\/a> kh\u00e1m ph\u00e1 nh\u1eefng ki\u1ebfn th\u1ee9c chi ti\u1ebft v\u1ec1 Core Web Vitals v\u00e0 h\u01b0\u1edbng d\u1eabn c\u00e1ch t\u1ed1i \u01b0u trang web h\u1eefu \u00edch nh\u00e9.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">1. Web Vitals l\u00e0 g\u00ec?<\/h2>\r\n\r\n\r\n\r\n<p>Web Vitals l\u00e0 t\u1eadp h\u1ee3p c\u00e1c ch\u1ec9 s\u1ed1 do Google gi\u1edbi thi\u1ec7u nh\u1eb1m \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng tr\u00ean website. Ch\u00fang bao g\u1ed3m nhi\u1ec1u kh\u00eda c\u1ea1nh nh\u01b0 th\u1eddi gian t\u1ea3i trang, t\u01b0\u01a1ng t\u00e1c ng\u01b0\u1eddi d\u00f9ng v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh giao di\u1ec7n. Web Vitals c\u00f3 7 ti\u00eau ch\u00ed \u0111\u01b0\u1ee3c Google d\u00f9ng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 tr\u1ea3i nghi\u1ec7m c\u1ee7a ng\u01b0\u1eddi d\u00f9ng \u1edf tr\u00ean website.<\/p>\r\n\r\n\r\n\r\n<ul>\r\n<li>Largest Contentful Paint (LCP): T\u1ed1c \u0111\u1ed9 t\u1ea3i trang (Loading)<\/li>\r\n\r\n\r\n\r\n<li>First Input Delay (FID): Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c (Interactivity)<\/li>\r\n\r\n\r\n\r\n<li>Cumulative Layout Shift (CLS): T\u00ednh \u1ed5n \u0111\u1ecbnh tr\u1ef1c quan (Visual Stability)<\/li>\r\n\r\n\r\n\r\n<li>Mobile-friendly: \u0110\u1ed9 th\u00e2n thi\u1ec7n v\u1edbi thi\u1ebft b\u1ecb di \u0111\u1ed9ng<\/li>\r\n\r\n\r\n\r\n<li>Safe-browsing: M\u1ee9c \u0111\u1ed9 an to\u00e0n khi duy\u1ec7t web<\/li>\r\n\r\n\r\n\r\n<li>HTTPS: S\u1eed d\u1ee5ng giao th\u1ee9c b\u1ea3o m\u1eadt HTTPS<\/li>\r\n\r\n\r\n\r\n<li>No intrusive interstitials: H\u1ea1n ch\u1ebf qu\u1ea3ng c\u00e1o ho\u1eb7c pop-up g\u00e2y kh\u00f3 ch\u1ecbu cho ng\u01b0\u1eddi d\u00f9ng.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">2. Core Web Vitals l\u00e0 g\u00ec?<\/h2>\r\n\r\n\r\n\r\n<p>Core Web Vitals l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a Web Vitals, bao g\u1ed3m ba ch\u1ec9 s\u1ed1: t\u1ed1c \u0111\u1ed9 t\u1ea3i trang, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c v\u00e0 t\u00ednh \u1ed5n \u0111\u1ecbnh tr\u1ef1c quan c\u1ee7a m\u1ed9t trang web. \u0110\u00e2y l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 c\u1ed1t l\u00f5i trong t\u00edn hi\u1ec7u x\u1ebfp h\u1ea1ng &#8220;tr\u1ea3i nghi\u1ec7m trang&#8221; c\u1ee7a Google, gi\u00fap \u0111\u00e1nh gi\u00e1 t\u1ed5ng th\u1ec3 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng (UX) tr\u00ean trang. C\u1ea3i thi\u1ec7n nh\u1eefng ch\u1ec9 s\u1ed1 n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap n\u00e2ng cao th\u1ee9 h\u1ea1ng trang web trong k\u1ebft qu\u1ea3 t\u00ecm ki\u1ebfm m\u00e0 c\u00f2n mang l\u1ea1i m\u1ed9t tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng m\u01b0\u1ee3t m\u00e0 v\u00e0 d\u1ec5 ch\u1ecbu h\u01a1n.<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-33550\" src=\"https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/6109ad1f8ab06355a51de916_tRMcyKdIYVxiS9O1vMK1fC1VmmQBABp4Py5VXp4dtDKArKNQgXEktcX0oiXRCCxjrsiqjIoNLC4ZbYQ4MJ9DBN3ua28FTgE0NpcnhbmsBi3e0CI5kMwKBbyVIrcDyCkL3REG76o.png\" alt=\"core-web-vitals-la-gi-hinh-1\r\n\" width=\"698\" height=\"367\" srcset=\"https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/6109ad1f8ab06355a51de916_tRMcyKdIYVxiS9O1vMK1fC1VmmQBABp4Py5VXp4dtDKArKNQgXEktcX0oiXRCCxjrsiqjIoNLC4ZbYQ4MJ9DBN3ua28FTgE0NpcnhbmsBi3e0CI5kMwKBbyVIrcDyCkL3REG76o.png 763w, https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/6109ad1f8ab06355a51de916_tRMcyKdIYVxiS9O1vMK1fC1VmmQBABp4Py5VXp4dtDKArKNQgXEktcX0oiXRCCxjrsiqjIoNLC4ZbYQ4MJ9DBN3ua28FTgE0NpcnhbmsBi3e0CI5kMwKBbyVIrcDyCkL3REG76o-300x158.png 300w\" sizes=\"(max-width: 698px) 100vw, 698px\" \/><\/figure>\r\n<p style=\"text-align: center;\"><em>H\u00ecnh 1. Ba ch\u1ec9 s\u1ed1 quan tr\u1ecdng c\u1ee7a Core Web Vitals<\/em><\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">3. T\u1ea7m quan tr\u1ecdng Core Web Vitals \u0111\u1ed1i v\u1edbi SEO<\/h2>\r\n\r\n\r\n\r\n<p>Core Web Vitals kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t ph\u1ea7n trong c\u00e1c y\u1ebfu t\u1ed1 x\u1ebfp h\u1ea1ng c\u1ee7a Google m\u00e0 c\u00f2n \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng t\u1ed5ng th\u1ec3 c\u1ee7a m\u1ed9t trang web. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng l\u1ee3i \u00edch chi ti\u1ebft m\u00e0 Core Web Vitals mang l\u1ea1i:<\/p>\r\n\r\n\r\n\r\n<p><strong>\u00a0C\u1ea3i thi\u1ec7n tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng (User Experience)<\/strong><\/p>\r\n\r\n\r\n\r\n<ul>\r\n<li><em>Gi\u1eef ch\u00e2n ng\u01b0\u1eddi truy c\u1eadp:<\/em> M\u1ed9t trang web t\u1ea3i nhanh, ph\u1ea3n h\u1ed3i m\u01b0\u1ee3t m\u00e0 v\u00e0 hi\u1ec3n th\u1ecb \u1ed5n \u0111\u1ecbnh s\u1ebd t\u1ea1o c\u1ea3m gi\u00e1c tho\u1ea3i m\u00e1i cho ng\u01b0\u1eddi d\u00f9ng, t\u0103ng kh\u1ea3 n\u0103ng h\u1ecd \u1edf l\u1ea1i l\u00e2u h\u01a1n.\r\n\r\n<\/li>\r\n<li><em>Gi\u1ea3m t\u1ef7 l\u1ec7 tho\u00e1t trang:<\/em> Khi tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a, t\u1ef7 l\u1ec7 ng\u01b0\u1eddi truy c\u1eadp r\u1eddi kh\u1ecfi trang ngay sau khi v\u00e0o (bounce rate) s\u1ebd gi\u1ea3m \u0111\u00e1ng k\u1ec3. \u0110i\u1ec1u n\u00e0y gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c chi\u1ebfn d\u1ecbch SEO v\u00e0 marketing.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p>\u00a0<strong>T\u0103ng th\u1ee9 h\u1ea1ng tr\u00ean k\u1ebft qu\u1ea3 t\u00ecm ki\u1ebfm<\/strong><\/p>\r\n\r\n\r\n\r\n<p>Google \u01b0u ti\u00ean x\u1ebfp h\u1ea1ng nh\u1eefng trang web c\u00f3 Core Web Vitals t\u1ed1t, b\u1edfi ch\u00fang ph\u1ea3n \u00e1nh r\u00f5 r\u00e0ng m\u1ed9t tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng t\u00edch c\u1ef1c. Trang web t\u1ed1i \u01b0u h\u00f3a t\u1ed1t c\u00e1c ch\u1ec9 s\u1ed1 nh\u01b0 t\u1ed1c \u0111\u1ed9 t\u1ea3i trang (LCP), kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c (FID), v\u00e0 t\u00ednh \u1ed5n \u0111\u1ecbnh tr\u1ef1c quan (CLS) c\u00f3 c\u01a1 h\u1ed9i v\u01b0\u1ee3t qua \u0111\u1ed1i th\u1ee7 c\u1ea1nh tranh trong k\u1ebft qu\u1ea3 t\u00ecm ki\u1ebfm.<\/p>\r\n\r\n\r\n\r\n\r\n\r\n<p>\u00a0\u00a0<strong>N\u00e2ng cao uy t\u00edn v\u00e0 \u0111\u1ed9 tin c\u1eady<\/strong><\/p>\r\n\r\n\r\n\r\n<ul>\r\n<li><em>T\u0103ng c\u1ea3m gi\u00e1c tin c\u1eady<\/em>: M\u1ed9t trang web \u1ed5n \u0111\u1ecbnh v\u00e0 an to\u00e0n v\u1edbi giao th\u1ee9c HTTPS, kh\u00f4ng ch\u1ee9a qu\u1ea3ng c\u00e1o g\u00e2y phi\u1ec1n to\u00e1i, v\u00e0 hi\u1ec3n th\u1ecb t\u1ed1t tr\u00ean m\u1ecdi thi\u1ebft b\u1ecb s\u1ebd khi\u1ebfn ng\u01b0\u1eddi d\u00f9ng c\u1ea3m th\u1ea5y an t\u00e2m h\u01a1n khi s\u1eed d\u1ee5ng.\r\n\r\n<\/li>\r\n<li><em>C\u1ee7ng c\u1ed1 th\u01b0\u01a1ng hi\u1ec7u<\/em>: C\u00e1c ch\u1ec9 s\u1ed1 Core Web Vitals kh\u00f4ng ch\u1ec9 gi\u00fap t\u0103ng hi\u1ec7u qu\u1ea3 SEO m\u00e0 c\u00f2n g\u00f3p ph\u1ea7n x\u00e2y d\u1ef1ng h\u00ecnh \u1ea3nh chuy\u00ean nghi\u1ec7p v\u00e0 uy t\u00edn cho doanh nghi\u1ec7p ho\u1eb7c th\u01b0\u01a1ng hi\u1ec7u trong m\u1eaft ng\u01b0\u1eddi d\u00f9ng.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">4. C\u00e1c ch\u1ec9 s\u1ed1 c\u1ee7a Core Web Vitals<\/h2>\r\n\r\n\r\n\r\n<p>Core Web Vitals \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n th\u00f4ng qua ba ch\u1ec9 s\u1ed1 c\u1ed1t l\u00f5i:<\/p>\r\n\r\n\r\n\r\n<p><strong>Largest Contentful Paint (LCP)<\/strong>: \u0110\u00e1nh gi\u00e1 th\u1eddi gian t\u1ea3i n\u1ed9i dung ch\u00ednh. \u0110\u1ed1i v\u1edbi website tin t\u1ee9c, \u0111\u00e2y c\u00f3 th\u1ec3 l\u00e0 \u0111o\u1ea1n v\u0103n b\u1ea3n ho\u1eb7c h\u00ecnh \u1ea3nh ch\u00ednh. \u0110\u00e2y l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 quan tr\u1ecdng v\u00e0 \u1ed5n \u0111\u1ecbnh, ch\u1ec9 s\u1ed1 n\u00e0y \u0111\u00e1nh d\u1ea5u th\u1eddi \u0111i\u1ec3m trong qu\u00e1 tr\u00ecnh t\u1ea3i trang khi n\u1ed9i dung ch\u00ednh c\u1ee7a trang c\u00f3 kh\u1ea3 n\u0103ng \u0111\u00e3 \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb. LCP nhanh gi\u00fap ng\u01b0\u1eddi d\u00f9ng y\u00ean t\u00e2m r\u1eb1ng trang c\u00f3 n\u1ed9i dung h\u1eefu \u00edch.<\/p>\r\n\r\n\r\n\r\n<p><strong>First Input Delay (FID)<\/strong>: \u0110\u00e1nh gi\u00e1 th\u1eddi gian t\u1eeb khi ng\u01b0\u1eddi d\u00f9ng l\u1ea7n \u0111\u1ea7u t\u01b0\u01a1ng t\u00e1c v\u1edbi trang web c\u1ee7a b\u1ea1n (v\u00ed d\u1ee5: khi h\u1ecd nh\u1ea5p v\u00e0o li\u00ean k\u1ebft, ch\u1ea1m v\u00e0o n\u00fat ho\u1eb7c s\u1eed d\u1ee5ng \u0111i\u1ec1u khi\u1ec3n) cho \u0111\u1ebfn khi tr\u00ecnh duy\u1ec7t th\u1ef1c s\u1ef1 c\u00f3 th\u1ec3 ph\u1ea3n h\u1ed3i t\u01b0\u01a1ng t\u00e1c \u0111\u00f3.<\/p>\r\n\r\n\r\n\r\n<p><strong>Cumulative Layout Shift (CLS)<\/strong>: \u0110\u00e1nh gi\u00e1 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh tr\u1ef1c quan c\u1ee7a trang khi t\u1ea3i, nh\u1ea5t l\u00e0 khi c\u00f3 s\u1ef1 d\u1ecbch chuy\u1ec3n kh\u00f4ng mong mu\u1ed1n trong v\u1ecb tr\u00ed c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n tr\u00ean trang, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y kh\u00f3 ch\u1ecbu cho ng\u01b0\u1eddi d\u00f9ng n\u1ebfu n\u1ed9i dung \u0111\u1ed9t ng\u1ed9t di chuy\u1ec3n trong khi h\u1ecd \u0111ang t\u01b0\u01a1ng t\u00e1c v\u1edbi trang.<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" class=\"aligncenter wp-image-33552\" src=\"https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/onely_hi_cls_pop-1-e1604930249762.jpg\" alt=\"core-web-vitals-la-gi-hinh-2\" width=\"818\" height=\"460\" srcset=\"https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/onely_hi_cls_pop-1-e1604930249762.jpg 900w, https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/onely_hi_cls_pop-1-e1604930249762-300x169.jpg 300w, https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/onely_hi_cls_pop-1-e1604930249762-768x432.jpg 768w\" sizes=\"(max-width: 818px) 100vw, 818px\" \/><\/figure>\r\n<p style=\"text-align: center;\"><em>H\u00ecnh 2. CLS nh\u1eadn x\u00e9t \u0111\u1ed9 \u1ed5n \u0111inh c\u1ee7a trang web khi s\u1eed d\u1ee5ng<\/em><\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">5. C\u00e1ch t\u1ed1i \u01b0u ch\u1ec9 s\u1ed1 Core Web Vitals<\/h2>\r\n\r\n\r\n\r\n<p>Core Web Vitals \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c n\u00e2ng cao tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng v\u00e0 c\u1ea3i thi\u1ec7n th\u1ee9 h\u1ea1ng SEO. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ed1i \u01b0u h\u00f3a chi ti\u1ebft, t\u1eadp trung t\u1ed1i \u01b0u v\u00e0o t\u1eebng ch\u1ec9 s\u1ed1 c\u1ee5 th\u1ec3:<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">5.1 Largest Contentful Paint (LCP)<\/h3>\r\n\r\n\r\n\r\n<p><strong>M\u1ee5c ti\u00eau t\u1ed1i \u01b0u:<\/strong> Th\u1eddi gian LCP n\u00ean d\u01b0\u1edbi 2,5 gi\u00e2y.<\/p>\r\n\r\n\r\n\r\n<p><strong>T\u1ea7m quan tr\u1ecdng:<\/strong> Th\u1eddi gian t\u1ea3i ch\u1eadm khi\u1ebfn ng\u01b0\u1eddi d\u00f9ng kh\u00f3 ch\u1ecbu v\u00e0 c\u00f3 th\u1ec3 r\u1eddi \u0111i tr\u01b0\u1edbc khi n\u1ed9i dung ch\u00ednh xu\u1ea5t hi\u1ec7n.<\/p>\r\n\r\n\r\n\r\n<p><strong>V\u00ed d\u1ee5:<\/strong> M\u1ed9t trang th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed hi\u1ec3n th\u1ecb h\u00ecnh \u1ea3nh s\u1ea3n ph\u1ea9m ch\u00ednh trong 1,8 gi\u00e2y s\u1ebd c\u00f3 LCP t\u1ed1i \u01b0u.<\/p>\r\n\r\n\r\n\r\n<p><strong>C\u00e1ch c\u1ea3i thi\u1ec7n<\/strong>:<\/p>\r\n\r\n\r\n\r\n<ul>\r\n<li>T\u1ed1i \u01b0u k\u00edch th\u01b0\u1edbc v\u00e0 \u0111\u1ecbnh d\u1ea1ng h\u00ecnh \u1ea3nh (chuy\u1ec3n sang WebP).\r\n\r\n<\/li>\r\n<li>Gi\u1ea3m th\u1eddi gian ph\u1ea3n h\u1ed3i m\u00e1y ch\u1ee7 th\u00f4ng qua cache v\u00e0 CDN.\r\n\r\n<\/li>\r\n<li>\u01afu ti\u00ean t\u1ea3i c\u00e1c t\u00e0i nguy\u00ean quan tr\u1ecdng (critical resources).<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" class=\"aligncenter wp-image-33558\" src=\"https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/LCP-1024x602.jpg\" alt=\"core-web-vitals-la-gi-hinh-3\" width=\"720\" height=\"423\" srcset=\"https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/LCP-1024x602.jpg 1024w, https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/LCP-300x176.jpg 300w, https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/LCP-768x451.jpg 768w, https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/LCP-1536x903.jpg 1536w, https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/LCP.jpg 1601w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/figure>\r\n<p style=\"text-align: center;\"><em>H\u00ecnh 3. LCP \u0111o l\u01b0\u1eddng th\u1eddi gian t\u1ea3i c\u1ee7a trang web<\/em><\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">5.2 First Input Delay (FID)<\/h3>\r\n\r\n\r\n\r\n<p><strong>M\u1ee5c ti\u00eau t\u1ed1i \u01b0u:<\/strong> Gi\u00e1 tr\u1ecb FID d\u01b0\u1edbi 100 mili gi\u00e2y.<\/p>\r\n\r\n\r\n\r\n<p><strong>T\u1ea7m quan tr\u1ecdng:<\/strong> FID cao khi\u1ebfn ng\u01b0\u1eddi d\u00f9ng c\u1ea3m th\u1ea5y trang web kh\u00f4ng th\u00e2n thi\u1ec7n ho\u1eb7c ch\u1eadm ch\u1ea1p.<\/p>\r\n\r\n\r\n\r\n<p><strong>V\u00ed d\u1ee5:<\/strong> Khi ng\u01b0\u1eddi d\u00f9ng nh\u1ea5p v\u00e0o n\u00fat &#8220;\u0110\u0103ng k\u00fd&#8221; tr\u00ean trang landing page, ph\u1ea3n h\u1ed3i ngay l\u1eadp t\u1ee9c s\u1ebd t\u1ea1o tr\u1ea3i nghi\u1ec7m t\u1ed1t.<\/p>\r\n\r\n\r\n\r\n<p><strong>C\u00e1ch c\u1ea3i thi\u1ec7n:<\/strong><\/p>\r\n\r\n\r\n\r\n<ul>\r\n<li>Gi\u1ea3m thi\u1ec3u JavaScript kh\u00f4ng c\u1ea7n thi\u1ebft ho\u1eb7c tr\u00ec ho\u00e3n t\u1ea3i.\r\n\r\n<\/li>\r\n<li>S\u1eed d\u1ee5ng Web Workers \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c t\u00e1c v\u1ee5 n\u1ec1n.\r\n\r\n<\/li>\r\n<li>T\u1ed1i \u01b0u m\u00e3 v\u00e0 gi\u1ea3m thi\u1ec3u th\u1eddi gian th\u1ef1c thi.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-33557\" src=\"https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/FID-threshold.png\" alt=\"core-web-vitals-la-gi-hinh-4\" width=\"1000\" height=\"283\" srcset=\"https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/FID-threshold.png 1000w, https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/FID-threshold-300x85.png 300w, https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/FID-threshold-768x217.png 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\r\n<p style=\"text-align: center;\"><em>H\u00ecnh 4. FID ph\u1ea3n \u00e1nh m\u1ee9c \u0111\u1ed9 t\u01b0\u01a1ng t\u00e1c c\u1ee7a website<\/em><\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">5.3 Cumulative Layout Shift (CLS)<\/h3>\r\n\r\n\r\n\r\n<p><strong>M\u1ee5c ti\u00eau t\u1ed1i \u01b0u:<\/strong> CLS n\u00ean nh\u1ecf h\u01a1n 0,1.<\/p>\r\n\r\n\r\n\r\n<p><strong>T\u1ea7m quan tr\u1ecdng:<\/strong> B\u1ed1 c\u1ee5c thay \u0111\u1ed5i \u0111\u1ed9t ng\u1ed9t c\u00f3 th\u1ec3 g\u00e2y kh\u00f3 ch\u1ecbu ho\u1eb7c d\u1eabn \u0111\u1ebfn nh\u1ea5p nh\u1ea7m.<\/p>\r\n\r\n\r\n\r\n<p><strong>V\u00ed d\u1ee5:<\/strong> M\u1ed9t n\u00fat &#8220;Mua ngay&#8221; di chuy\u1ec3n v\u1ecb tr\u00ed khi \u1ea3nh s\u1ea3n ph\u1ea9m t\u1ea3i xong, g\u00e2y nh\u1ea7m l\u1eabn cho ng\u01b0\u1eddi d\u00f9ng.<\/p>\r\n\r\n\r\n\r\n<p><strong>C\u00e1ch c\u1ea3i thi\u1ec7n:<\/strong><\/p>\r\n\r\n\r\n\r\n<ul>\r\n<li>\u0110\u1eb7t k\u00edch th\u01b0\u1edbc c\u1ed1 \u0111\u1ecbnh cho h\u00ecnh \u1ea3nh v\u00e0 video.\r\n\r\n<\/li>\r\n<li>Tr\u00e1nh ch\u00e8n qu\u1ea3ng c\u00e1o ho\u1eb7c n\u1ed9i dung \u0111\u1ed9ng l\u00e0m thay \u0111\u1ed5i b\u1ed1 c\u1ee5c.\r\n\r\n<\/li>\r\n<li>\u01afu ti\u00ean t\u1ea3i font ch\u1eef h\u1ec7 th\u1ed1ng \u0111\u1ec3 gi\u1ea3m th\u1eddi gian thay \u0111\u1ed5i ki\u1ec3u d\u00e1ng ch\u1eef.\r\n\r\n<\/li>\r\n<\/ul>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-33556\" src=\"https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/21_10_2020_09_28_34_Screenshot_2020_10_21_at_09.28.21-1024x301.png\" alt=\"core-web-vitals-la-gi-hinh-5\" width=\"938\" height=\"276\" srcset=\"https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/21_10_2020_09_28_34_Screenshot_2020_10_21_at_09.28.21-1024x301.png 1024w, https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/21_10_2020_09_28_34_Screenshot_2020_10_21_at_09.28.21-300x88.png 300w, https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/21_10_2020_09_28_34_Screenshot_2020_10_21_at_09.28.21-768x226.png 768w, https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/21_10_2020_09_28_34_Screenshot_2020_10_21_at_09.28.21.png 1074w\" sizes=\"(max-width: 938px) 100vw, 938px\" \/><\/p>\r\n<p style=\"text-align: center;\"><em>H\u00ecnh 5. CLS \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a trang web<\/em><\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">6. C\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 v\u00e0 c\u00e1ch th\u1ee9c ph\u00e2n t\u00edch ch\u1ec9 s\u1ed1 Core Web Vitals<\/h2>\r\n\r\n\r\n\r\n<p>\u0110\u1ec3 t\u1ed1i \u01b0u h\u00f3a Core Web Vitals hi\u1ec7u qu\u1ea3, vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch chuy\u00ean bi\u1ec7t l\u00e0 r\u1ea5t quan tr\u1ecdng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng c\u00f4ng c\u1ee5 ph\u1ed5 bi\u1ebfn th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 ph\u00e2n t\u00edch c\u00e1c ch\u1ec9 s\u1ed1, c\u00f9ng v\u1edbi ch\u1ee9c n\u0103ng v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng c\u1ee5 th\u1ec3:<\/p>\r\n\r\n\r\n\r\n<p><strong>Google Page Speed Insights<\/strong><\/p>\r\n\r\n\r\n\r\n<p><a href=\"https:\/\/www.ematicsolutions.com\/vn\/google-pagespeed-insights-la-gi\/\" target=\"_blank\" rel=\"noopener\">Google Page Speed Insights<\/a> l\u00e0 c\u00f4ng c\u1ee5 h\u00e0ng \u0111\u1ea7u \u0111\u1ec3 ph\u00e2n t\u00edch hi\u1ec7u su\u1ea5t trang web v\u00e0 cung c\u1ea5p c\u00e1c \u0111\u1ec1 xu\u1ea5t t\u1ed1i \u01b0u h\u00f3a Core Web Vitals. C\u00f4ng c\u1ee5 n\u00e0y c\u00f2n cung c\u1ea5p g\u1ee3i \u00fd c\u1ee5 th\u1ec3, v\u00ed d\u1ee5: gi\u1ea3m k\u00edch th\u01b0\u1edbc h\u00ecnh \u1ea3nh, lo\u1ea1i b\u1ecf CSS kh\u00f4ng c\u1ea7n thi\u1ebft, ho\u1eb7c c\u1ea3i thi\u1ec7n th\u1eddi gian ph\u1ea3n h\u1ed3i m\u00e1y ch\u1ee7.<\/p>\r\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-33603\" src=\"https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/1697098159221_1a84df46-43a1-4ea6-98f6-71ccf47bec48-1024x463.png\" alt=\"core-web-vitals-la-gi-hinh-6\" width=\"663\" height=\"300\" srcset=\"https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/1697098159221_1a84df46-43a1-4ea6-98f6-71ccf47bec48-1024x463.png 1024w, https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/1697098159221_1a84df46-43a1-4ea6-98f6-71ccf47bec48-300x136.png 300w, https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/1697098159221_1a84df46-43a1-4ea6-98f6-71ccf47bec48-768x347.png 768w, https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/1697098159221_1a84df46-43a1-4ea6-98f6-71ccf47bec48-1536x695.png 1536w, https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/1697098159221_1a84df46-43a1-4ea6-98f6-71ccf47bec48.png 1640w\" sizes=\"(max-width: 663px) 100vw, 663px\" \/><em>H\u00ecnh 6. Google Page Speed Insights h\u1ed7 tr\u1ee3 ph\u00e2n t\u00edch hi\u1ec7u su\u1ea5t trang web<\/em><\/p>\r\n\r\n\r\n\r\n<p><strong><em>C\u00e1ch s\u1eed d\u1ee5ng:<\/em><\/strong><\/p>\r\n\r\n\r\n\r\n<p>&#8211; Truy c\u1eadp Google Page Speed Insights.<\/p>\r\n\r\n\r\n\r\n<p>&#8211; Nh\u1eadp URL c\u1ee7a trang web v\u00e0 nh\u1ea5n &#8220;Analyze&#8221;.<\/p>\r\n\r\n\r\n\r\n<p>&#8211; K\u1ebft qu\u1ea3 ph\u00e2n t\u00edch s\u1ebd hi\u1ec3n th\u1ecb c\u00e1c ch\u1ec9 s\u1ed1 ch\u00ednh nh\u01b0 LCP, FID, v\u00e0 CLS, c\u00f9ng v\u1edbi \u0111\u00e1nh gi\u00e1 &#8220;Good&#8221;, &#8220;Needs Improvement&#8221;, ho\u1eb7c &#8220;Poor&#8221;.<\/p>\r\n\r\n\r\n\r\n<p><strong>Google Search Console<\/strong><\/p>\r\n\r\n\r\n\r\n<p>Google Search Console l\u00e0 c\u00f4ng c\u1ee5 to\u00e0n di\u1ec7n gi\u00fap theo d\u00f5i tr\u1ea1ng th\u00e1i v\u00e0 hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 c\u1ee7a trang web, bao g\u1ed3m c\u1ea3 Core Web Vitals. B\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra t\u1eebng trang \u0111\u1ec3 xem ch\u1ec9 s\u1ed1 n\u00e0o ch\u01b0a \u0111\u1ea1t y\u00eau c\u1ea7u v\u00e0 nh\u1eadn g\u1ee3i \u00fd kh\u1eafc ph\u1ee5c.<\/p>\r\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-33602\" src=\"https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/what-is-google-search-console.webp\" alt=\"core-web-vitals-la-gi-hinh-7\" width=\"674\" height=\"332\" srcset=\"https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/what-is-google-search-console.webp 741w, https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/what-is-google-search-console-300x148.webp 300w\" sizes=\"(max-width: 674px) 100vw, 674px\" \/><em>H\u00ecnh 7. Google Search Console &#8211; c\u00f4ng c\u1ee5 quen thu\u1ed9c trong vieejv theo d\u00f5i hi\u1ec7u su\u1ea5t c\u1ee7a website<\/em><\/p>\r\n\r\n\r\n\r\n<p><strong><em>C\u00e1ch s\u1eed d\u1ee5ng:<\/em><\/strong><\/p>\r\n\r\n\r\n\r\n<p>&#8211; \u0110\u0103ng nh\u1eadp v\u00e0o Google Search Console.<\/p>\r\n\r\n\r\n\r\n<p>&#8211; Ch\u1ecdn m\u1ee5c \u201cCore Web Vitals\u201d trong b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n.<\/p>\r\n\r\n\r\n\r\n<p>&#8211; C\u00f4ng c\u1ee5 s\u1ebd cung c\u1ea5p th\u00f4ng tin v\u1ec1 tr\u1ea1ng th\u00e1i URL, ph\u00e2n lo\u1ea1i theo nh\u00f3m &#8220;T\u1ed1t&#8221;, &#8220;C\u1ea7n c\u1ea3i thi\u1ec7n&#8221;, ho\u1eb7c &#8220;K\u00e9m&#8221;.<\/p>\r\n\r\n\r\n\r\n<p><strong>Lighthouse<\/strong><\/p>\r\n\r\n\r\n\r\n<p>Lighthouse l\u00e0 c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch hi\u1ec7u su\u1ea5t t\u00edch h\u1ee3p s\u1eb5n trong tr\u00ecnh duy\u1ec7t Chrome, mang \u0111\u1ebfn kh\u1ea3 n\u0103ng ki\u1ec3m tra nhanh Core Web Vitals c\u00f9ng nhi\u1ec1u y\u1ebfu t\u1ed1 k\u1ef9 thu\u1eadt kh\u00e1c. B\u00e1o c\u00e1o s\u1ebd hi\u1ec3n th\u1ecb chi ti\u1ebft v\u1ec1 hi\u1ec7u su\u1ea5t, kh\u1ea3 n\u0103ng truy c\u1eadp (Accessibility), v\u00e0 SEO, c\u00f9ng v\u1edbi \u0111\u1ec1 xu\u1ea5t c\u1ea3i thi\u1ec7n cho t\u1eebng ch\u1ec9 s\u1ed1 Core Web Vitals.<\/p>\r\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-33601\" src=\"https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/google-lighthouse-la-gi-1200x900-1-1024x768.jpg\" alt=\"core-web-vitals-la-gi-hinh-8\" width=\"651\" height=\"488\" srcset=\"https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/google-lighthouse-la-gi-1200x900-1-1024x768.jpg 1024w, https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/google-lighthouse-la-gi-1200x900-1-300x225.jpg 300w, https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/google-lighthouse-la-gi-1200x900-1-768x576.jpg 768w, https:\/\/www.ematicsolutions.com\/wp-content\/uploads\/2025\/01\/google-lighthouse-la-gi-1200x900-1.jpg 1200w\" sizes=\"(max-width: 651px) 100vw, 651px\" \/><em>H\u00ecnh 8. Google Lighthouse h\u1ed7 tr\u1ee3 trong vi\u1ec7c t\u1ed1i \u01b0u c\u00e1c ch\u1ec9 s\u1ed1 Core Web Vitals<\/em><\/p>\r\n\r\n\r\n\r\n<p><strong><em>C\u00e1ch s\u1eed d\u1ee5ng:<\/em><\/strong><\/p>\r\n\r\n\r\n\r\n<p>&#8211; M\u1edf trang web c\u1ea7n ph\u00e2n t\u00edch tr\u00ean tr\u00ecnh duy\u1ec7t Chrome.<\/p>\r\n\r\n\r\n\r\n<p>&#8211; Nh\u1ea5n F12 \u0111\u1ec3 m\u1edf Chrome DevTools, sau \u0111\u00f3 chuy\u1ec3n \u0111\u1ebfn tab &#8220;Lighthouse&#8221;.<\/p>\r\n\r\n\r\n\r\n<p>&#8211; Ch\u1ecdn &#8220;Generate Report&#8221; v\u00e0 ch\u1edd c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch.<\/p>\r\n\r\n\r\n\r\n<p>T\u1ed1i \u01b0u h\u00f3a Core Web Vitals kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t nhi\u1ec7m v\u1ee5 k\u1ef9 thu\u1eadt m\u00e0 c\u00f2n l\u00e0 y\u1ebfu t\u1ed1 c\u1ed1t l\u00f5i gi\u00fap b\u1ea1n mang \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m t\u1ed1t h\u01a1n cho ng\u01b0\u1eddi d\u00f9ng, c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t <a href=\"https:\/\/www.ematicsolutions.com\/vn\/services\/seo\/\" target=\"_blank\" rel=\"noopener\">SEO<\/a>, v\u00e0 x\u00e2y d\u1ef1ng uy t\u00edn th\u01b0\u01a1ng hi\u1ec7u. D\u00f9 qu\u00e1 tr\u00ecnh n\u00e0y c\u00f3 th\u1ec3 \u0111\u00f2i h\u1ecfi nhi\u1ec1u th\u1eddi gian v\u00e0 n\u1ed7 l\u1ef1c, b\u1ea1n kh\u00f4ng c\u1ea7n ph\u1ea3i t\u1ef1 m\u00ecnh l\u00e0m t\u1ea5t c\u1ea3. C\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 Google Page Speed Insights, Search Console, v\u00e0 Lighthouse \u0111\u00e3 s\u1eb5n s\u00e0ng h\u1ed7 tr\u1ee3 b\u1ea1n ph\u00e2n t\u00edch v\u00e0 t\u1ed1i \u01b0u h\u00f3a. \u0110\u1eebng ng\u1ea7n ng\u1ea1i b\u1eaft \u0111\u1ea7u h\u00e0nh tr\u00ecnh c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t trang web c\u1ee7a m\u00ecnh. N\u1ebfu b\u1ea1n c\u1ea7n th\u00eam s\u1ef1 h\u1ed7 tr\u1ee3 chuy\u00ean s\u00e2u \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 v\u01b0\u1ee3t tr\u1ed9i, h\u00e3y li\u00ean h\u1ec7 v\u1edbi <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/www.ematicsolutions.com\/vn\/\" target=\"_blank\" rel=\"noopener\">Ematic Solutions<\/a><\/span> ngay h\u00f4m nay. T\u1ea1i Ematic, ch\u00fang t\u00f4i cung c\u1ea5p c\u00e1c d\u1ecbch v\u1ee5 to\u00e0n di\u1ec7n kh\u00e1c nh\u01b0 SEO, <a href=\"https:\/\/www.ematicsolutions.com\/vn\/services\/content-marketing\/\" target=\"_blank\" rel=\"noopener\">Content Marketing<\/a>, <a href=\"https:\/\/www.ematicsolutions.com\/vn\/services\/conversion-rate-optimisation\/\" target=\"_blank\" rel=\"noopener\">CRO<\/a> (t\u1ed1i \u01b0u h\u00f3a t\u1ef7 l\u1ec7 chuy\u1ec3n \u0111\u1ed5i), v\u00e0 nhi\u1ec1u <a href=\"https:\/\/www.ematicsolutions.com\/vn\/services\/\" target=\"_blank\" rel=\"noopener\">gi\u1ea3i ph\u00e1p digital marketing<\/a> kh\u00e1c. Ch\u00fang t\u00f4i t\u1eadn d\u1ee5ng t\u1ed1i \u0111a ti\u1ec1m n\u0103ng c\u1ee7a k\u00eanh ti\u1ebfp th\u1ecb v\u00e0 \u0111\u01b0a chi\u1ebfn l\u01b0\u1ee3c marketing c\u1ee7a b\u1ea1n l\u00ean m\u1ed9t t\u1ea7m cao m\u1edbi!<\/p>\r\n","protected":false},"excerpt":{"rendered":"<p>Trong b\u1ed1i c\u1ea3nh Google ng\u00e0y c\u00e0ng \u0111\u1eb7t n\u1eb7ng tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng, Core Web Vitals tr\u1edf th\u00e0nh ti\u00eau ch\u00ed c\u1ed1t l\u00f5i gi\u00fap x\u1ebfp h\u1ea1ng trang web. N\u1ebfu b\u1ea1n mu\u1ed1n website v\u01b0\u1ee3t qua \u0111\u1ed1i th\u1ee7, Core Web Vitals ch\u00ednh l\u00e0 y\u1ebfu t\u1ed1 kh\u00f4ng th\u1ec3 b\u1ecf qua. C\u00f9ng Ematic Solutions kh\u00e1m ph\u00e1 nh\u1eefng ki\u1ebfn th\u1ee9c chi ti\u1ebft v\u1ec1 Core Web Vitals v\u00e0 h\u01b0\u1edbng d\u1eabn c\u00e1ch t\u1ed1i \u01b0u trang web h\u1eefu \u00edch nh\u00e9.<\/p>\n","protected":false},"author":35,"featured_media":33561,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_themeisle_gutenberg_block_has_review":false,"footnotes":""},"categories":[176],"tags":[1651,1384,604],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Core Web Vitals l\u00e0 g\u00ec? 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C\u00e1c ch\u1ec9 s\u1ed1 c\u1ea3i thi\u1ec7n th\u1ee9 h\u1ea1ng website\" \/>\n<meta property=\"og:description\" content=\"Core Web Vitals l\u00e0 ch\u1ec9 s\u1ed1 quan tr\u1ecdng trong vi\u1ec7c \u0111\u00e1nh gi\u00e1 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn th\u1ee9 h\u1ea1ng SEO. 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