{"id":3487,"date":"2026-07-19T16:23:37","date_gmt":"2026-07-19T16:23:37","guid":{"rendered":"https:\/\/vbaseup.com\/kien-thuc\/?p=3487"},"modified":"2026-07-19T16:24:54","modified_gmt":"2026-07-19T16:24:54","slug":"image-alt-text","status":"publish","type":"post","link":"https:\/\/vbaseup.com\/kien-thuc\/image-alt-text\/","title":{"rendered":"Alt Text SEO: H\u01b0\u1edbng D\u1eabn T\u1ed1i \u01afu Th\u1ebb Alt Cho H\u00ecnh \u1ea2nh"},"content":{"rendered":"<p>Tr\u00ean m\u1ed9t website, h\u00ecnh \u1ea3nh kh\u00f4ng ch\u1ec9 \u0111\u01b0\u1ee3c nh\u00ecn b\u1eb1ng m\u1eaft. Google c\u1ea7n \u0111\u1ecdc ch\u00fang \u0111\u1ec3 hi\u1ec3u n\u1ed9i dung, c\u00f2n ng\u01b0\u1eddi d\u00f9ng tr\u00ecnh \u0111\u1ecdc m\u00e0n h\u00ecnh c\u1ea7n nghe ph\u1ea7n m\u00f4 t\u1ea3 \u0111\u1ec3 ti\u1ebfp c\u1eadn th\u00f4ng tin. <strong>Alt text SEO v\u00ec th\u1ebf l\u00e0 m\u1ed9t t\u00edn hi\u1ec7u ng\u1eef ngh\u0129a k\u00e9p:<\/strong> v\u1eeba gi\u00fap Google hi\u1ec3u, ph\u00e2n lo\u1ea1i v\u00e0 x\u1ebfp h\u1ea1ng h\u00ecnh \u1ea3nh, v\u1eeba gi\u00fap website ph\u1ee5c v\u1ee5 ng\u01b0\u1eddi d\u00f9ng t\u1ed1t h\u01a1n.<\/p>\n<p>M\u1ed9t alt text hi\u1ec7u qu\u1ea3 kh\u00f4ng ph\u1ea3i danh s\u00e1ch t\u1eeb kh\u00f3a. \u0110\u00f3 l\u00e0 c\u00e2u m\u00f4 t\u1ea3 ng\u1eafn, ch\u00ednh x\u00e1c v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi ng\u1eef c\u1ea3nh trang. B\u00e0i vi\u1ebft n\u00e0y tr\u00ecnh b\u00e0y c\u00e1ch vi\u1ebft alt text chu\u1ea9n SEO, nh\u1eefng l\u1ed7i c\u1ea7n tr\u00e1nh, quy tr\u00ecnh ki\u1ec3m tra v\u00e0 c\u00e1ch \u0111\u01b0a alt text v\u00e0o chi\u1ebfn l\u01b0\u1ee3c SEO h\u00ecnh \u1ea3nh t\u1ed5ng th\u1ec3.<\/p>\n<h2>Alt Text L\u00e0 G\u00ec?<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/vbaseup.com\/kien-thuc\/wp-content\/uploads\/2026\/07\/alt-text-html.webp\" alt=\"Alt text th\u1ebb img HTML thu\u1ed9c t\u00ednh alternative text h\u00ecnh \u1ea3nh SEO\" \/><\/p>\n<p>Alt text, vi\u1ebft \u0111\u1ea7y \u0111\u1ee7 l\u00e0 alternative text, l\u00e0 thu\u1ed9c t\u00ednh v\u0103n b\u1ea3n d\u00f9ng \u0111\u1ec3 m\u00f4 t\u1ea3 n\u1ed9i dung c\u1ee7a m\u1ed9t h\u00ecnh \u1ea3nh trong HTML. Trong c\u1ea5u tr\u00fac h\u00ecnh \u1ea3nh, thu\u1ed9c t\u00ednh <code>src=\"...\"<\/code> ch\u1ec9 ra n\u01a1i l\u01b0u t\u1ec7p, c\u00f2n <code>alt=\"m\u00f4 t\u1ea3 n\u1ed9i dung\"<\/code> gi\u1ea3i th\u00edch h\u00ecnh \u1ea3nh \u0111\u00f3 th\u1ec3 hi\u1ec7n \u0111i\u1ec1u g\u00ec.<\/p>\n<blockquote><p>Alt text l\u00e0 ph\u1ea7n m\u00f4 t\u1ea3 thay th\u1ebf gi\u00fap c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm v\u00e0 c\u00f4ng ngh\u1ec7 h\u1ed7 tr\u1ee3 hi\u1ec3u \u0111\u01b0\u1ee3c n\u1ed9i dung h\u00ecnh \u1ea3nh m\u00e0 kh\u00f4ng c\u1ea7n nh\u00ecn tr\u1ef1c ti\u1ebfp v\u00e0o \u1ea3nh.<\/p><\/blockquote>\n<p>Alt text th\u01b0\u1eddng kh\u00f4ng xu\u1ea5t hi\u1ec7n khi h\u00ecnh \u1ea3nh t\u1ea3i b\u00ecnh th\u01b0\u1eddng. Tuy nhi\u00ean, Googlebot c\u00f3 th\u1ec3 x\u1eed l\u00fd n\u1ed9i dung n\u00e0y khi thu th\u1eadp d\u1eef li\u1ec7u h\u00ecnh \u1ea3nh. Tr\u00ecnh \u0111\u1ecdc m\u00e0n h\u00ecnh c\u0169ng \u0111\u1ecdc alt text th\u00e0nh ti\u1ebfng cho ng\u01b0\u1eddi d\u00f9ng khi\u1ebfm th\u1ecb. Khi t\u1ec7p \u1ea3nh b\u1ecb l\u1ed7i ho\u1eb7c kh\u00f4ng t\u1ea3i \u0111\u01b0\u1ee3c, tr\u00ecnh duy\u1ec7t c\u00f3 th\u1ec3 hi\u1ec3n th\u1ecb ph\u1ea7n m\u00f4 t\u1ea3 n\u00e0y nh\u01b0 n\u1ed9i dung thay th\u1ebf.<\/p>\n<h2>T\u1ea1i Sao Alt Text Quan Tr\u1ecdng Trong SEO H\u00ecnh \u1ea2nh?<\/h2>\n<p>Alt text t\u00e1c \u0111\u1ed9ng \u0111\u1ed3ng th\u1eddi \u0111\u1ebfn ba khu v\u1ef1c: kh\u1ea3 n\u0103ng Google Images hi\u1ec3u v\u00e0 l\u1eadp ch\u1ec9 m\u1ee5c h\u00ecnh \u1ea3nh, kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn c\u1ee7a website v\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng khi \u1ea3nh kh\u00f4ng hi\u1ec3n th\u1ecb. \u0110\u00e2y kh\u00f4ng ph\u1ea3i chi ti\u1ebft k\u1ef9 thu\u1eadt nh\u1ecf, m\u00e0 l\u00e0 \u0111i\u1ec3m n\u1ed1i gi\u1eefa n\u1ed9i dung tr\u1ef1c quan v\u00e0 ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a trang.<\/p>\n<h3>Alt Text Gi\u00fap Google Images Hi\u1ec3u V\u00e0 X\u1ebfp H\u1ea1ng H\u00ecnh \u1ea2nh<\/h3>\n<p>Google c\u00f3 th\u1ec3 nh\u1eadn di\u1ec7n m\u1ed9t ph\u1ea7n n\u1ed9i dung \u1ea3nh b\u1eb1ng c\u00f4ng ngh\u1ec7 x\u1eed l\u00fd h\u00ecnh \u1ea3nh. Tuy nhi\u00ean, h\u1ec7 th\u1ed1ng v\u1eabn c\u1ea7n c\u00e1c t\u00edn hi\u1ec7u v\u0103n b\u1ea3n \u0111\u1ec3 hi\u1ec3u \u1ea3nh \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u1eef c\u1ea3nh n\u00e0o. Alt text l\u00e0 m\u1ed9t trong nh\u1eefng t\u00edn hi\u1ec7u quan tr\u1ecdng nh\u1ea5t cho nhi\u1ec7m v\u1ee5 \u0111\u00f3.<\/p>\n<p>M\u1ed9t m\u00f4 t\u1ea3 ch\u00ednh x\u00e1c gi\u00fap Google x\u00e1c \u0111\u1ecbnh ch\u1ee7 th\u1ec3, thu\u1ed9c t\u00ednh v\u00e0 m\u1ed1i quan h\u1ec7 gi\u1eefa h\u00ecnh \u1ea3nh v\u1edbi n\u1ed9i dung xung quanh. Ch\u1eb3ng h\u1ea1n, t\u1eeb \u201cgi\u00e0y\u201d ch\u1ec9 cho bi\u1ebft ch\u1ee7 th\u1ec3 chung. M\u00f4 t\u1ea3 \u201cGi\u00e0y ch\u1ea1y b\u1ed9 Nike Air Zoom nam m\u00e0u \u0111en\u201d cung c\u1ea5p th\u00eam lo\u1ea1i s\u1ea3n ph\u1ea9m, th\u01b0\u01a1ng hi\u1ec7u, \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 m\u00e0u s\u1eafc.<\/p>\n<p>Khi alt text ph\u00f9 h\u1ee3p v\u1edbi \u00fd \u0111\u1ecbnh t\u00ecm ki\u1ebfm, h\u00ecnh \u1ea3nh c\u00f3 c\u01a1 h\u1ed9i xu\u1ea5t hi\u1ec7n trong Google Images v\u00e0 c\u00e1c khu v\u1ef1c h\u00ecnh \u1ea3nh tr\u00ean trang k\u1ebft qu\u1ea3 th\u00f4ng th\u01b0\u1eddng. Website nh\u1edd \u0111\u00f3 c\u00f3 th\u00eam m\u1ed9t \u0111i\u1ec3m ti\u1ebfp x\u00fac v\u1edbi ng\u01b0\u1eddi t\u00ecm ki\u1ebfm v\u00e0 m\u1ed9t ngu\u1ed3n organic traffic b\u1ed5 sung.<\/p>\n<h3>Alt Text H\u1ed7 Tr\u1ee3 Kh\u1ea3 N\u0103ng Ti\u1ebfp C\u1eadn Cho Ng\u01b0\u1eddi D\u00f9ng Tr\u00ecnh \u0110\u1ecdc M\u00e0n H\u00ecnh<\/h3>\n<p>Ng\u01b0\u1eddi d\u00f9ng khi\u1ebfm th\u1ecb kh\u00f4ng th\u1ec3 nh\u1eadn th\u00f4ng tin t\u1eeb h\u00ecnh \u1ea3nh theo c\u00e1ch th\u00f4ng th\u01b0\u1eddng. Tr\u00ecnh \u0111\u1ecdc m\u00e0n h\u00ecnh s\u1ebd \u0111\u1ecdc alt text th\u00e0nh ti\u1ebfng, bi\u1ebfn n\u1ed9i dung tr\u1ef1c quan th\u00e0nh th\u00f4ng tin c\u00f3 th\u1ec3 nghe v\u00e0 hi\u1ec3u.<\/p>\n<p>Theo ti\u00eau chu\u1ea9n web accessibility, h\u00ecnh \u1ea3nh mang th\u00f4ng tin c\u1ea7n c\u00f3 n\u1ed9i dung thay th\u1ebf b\u1eb1ng v\u0103n b\u1ea3n. \u0110\u00e2y l\u00e0 nguy\u00ean t\u1eafc \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n trong WCAG 2.1, ti\u00eau ch\u00ed 1.1.1 v\u1ec1 n\u1ed9i dung phi v\u0103n b\u1ea3n.<\/p>\n<p>N\u1ebfu m\u1ed9t bi\u1ec3u \u0111\u1ed3 quan tr\u1ecdng kh\u00f4ng c\u00f3 alt text, ng\u01b0\u1eddi d\u00f9ng tr\u00ecnh \u0111\u1ecdc m\u00e0n h\u00ecnh ch\u1ec9 bi\u1ebft r\u1eb1ng trang ch\u1ee9a m\u1ed9t h\u00ecnh \u1ea3nh, nh\u01b0ng kh\u00f4ng bi\u1ebft h\u00ecnh \u1ea3nh mu\u1ed1n n\u00f3i \u0111i\u1ec1u g\u00ec. Vi\u1ec7c thi\u1ebfu m\u00f4 t\u1ea3 c\u0169ng c\u00f3 th\u1ec3 khi\u1ebfn website kh\u00f4ng \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u v\u1ec1 kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn v\u00e0 l\u00e0m t\u0103ng r\u1ee7i ro ph\u00e1p l\u00fd t\u1ea1i nh\u1eefng th\u1ecb tr\u01b0\u1eddng \u00e1p d\u1ee5ng c\u00e1c quy \u0111\u1ecbnh nh\u01b0 ADA.<\/p>\n<h3>Alt Text C\u1ea3i Thi\u1ec7n Tr\u1ea3i Nghi\u1ec7m Ng\u01b0\u1eddi D\u00f9ng Khi H\u00ecnh \u1ea2nh Kh\u00f4ng T\u1ea3i \u0110\u01b0\u1ee3c<\/h3>\n<p>H\u00ecnh \u1ea3nh c\u00f3 th\u1ec3 kh\u00f4ng t\u1ea3i v\u00ec \u0111\u01b0\u1eddng truy\u1ec1n ch\u1eadm, t\u1ec7p b\u1ecb x\u00f3a, URL sai ho\u1eb7c m\u00e1y ch\u1ee7 g\u1eb7p s\u1ef1 c\u1ed1. Trong t\u00ecnh hu\u1ed1ng \u0111\u00f3, alt text tr\u1edf th\u00e0nh l\u1edbp d\u1ef1 ph\u00f2ng gi\u00fap ng\u01b0\u1eddi \u0111\u1ecdc kh\u00f4ng m\u1ea5t ho\u00e0n to\u00e0n ng\u1eef c\u1ea3nh.<\/p>\n<p>N\u1ebfu \u1ea3nh minh h\u1ecda m\u1ed9t s\u1ea3n ph\u1ea9m, bi\u1ec3u \u0111\u1ed3 ho\u1eb7c h\u01b0\u1edbng d\u1eabn thao t\u00e1c, ph\u1ea7n m\u00f4 t\u1ea3 thay th\u1ebf cho ng\u01b0\u1eddi d\u00f9ng bi\u1ebft v\u1ecb tr\u00ed \u0111\u00f3 \u0111\u00e1ng l\u1ebd ch\u1ee9a n\u1ed9i dung g\u00ec. Lu\u1ed3ng th\u00f4ng tin c\u1ee7a trang v\u00ec th\u1ebf v\u1eabn \u0111\u01b0\u1ee3c duy tr\u00ec. Alt text kh\u00f4ng th\u1ec3 thay th\u1ebf \u0111\u1ea7y \u0111\u1ee7 tr\u1ea3i nghi\u1ec7m th\u1ecb gi\u00e1c, nh\u01b0ng c\u00f3 th\u1ec3 ng\u0103n m\u1ed9t l\u1ed7i k\u1ef9 thu\u1eadt nh\u1ecf bi\u1ebfn th\u00e0nh kho\u1ea3ng tr\u1ed1ng th\u00f4ng tin l\u1edbn.<\/p>\n<h2>C\u00e1ch Vi\u1ebft Alt Text Chu\u1ea9n SEO<\/h2>\n<p>M\u1ed9t alt text t\u1ed1t c\u1ea7n \u0111\u00e1p \u1ee9ng n\u0103m nguy\u00ean t\u1eafc: m\u00f4 t\u1ea3 ch\u00ednh x\u00e1c, ng\u1eafn g\u1ecdn, s\u1eed d\u1ee5ng t\u1eeb kh\u00f3a t\u1ef1 nhi\u00ean, ph\u00f9 h\u1ee3p v\u1edbi ng\u1eef c\u1ea3nh trang v\u00e0 x\u1eed l\u00fd \u0111\u00fang t\u1eebng lo\u1ea1i h\u00ecnh \u1ea3nh. M\u1ee5c ti\u00eau \u0111\u1ea7u ti\u00ean lu\u00f4n l\u00e0 truy\u1ec1n \u0111\u1ea1t th\u00f4ng tin; SEO l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a vi\u1ec7c m\u00f4 t\u1ea3 \u0111\u00fang, kh\u00f4ng ph\u1ea3i c\u1ee7a vi\u1ec7c ch\u00e8n nhi\u1ec1u t\u1eeb kh\u00f3a.<\/p>\n<h3>M\u00f4 T\u1ea3 N\u1ed9i Dung H\u00ecnh \u1ea2nh C\u1ee5 Th\u1ec3 V\u00e0 Ph\u00f9 H\u1ee3p Ng\u1eef C\u1ea3nh Trang<\/h3>\n<p>Alt text c\u1ea7n tr\u1ea3 l\u1eddi hai c\u00e2u h\u1ecfi: h\u00ecnh \u1ea3nh th\u1ec3 hi\u1ec7n \u0111i\u1ec1u g\u00ec v\u00e0 chi ti\u1ebft n\u00e0o c\u1ee7a h\u00ecnh \u1ea3nh c\u00f3 \u00fd ngh\u0129a \u0111\u1ed1i v\u1edbi trang hi\u1ec7n t\u1ea1i. C\u00f9ng m\u1ed9t b\u1ee9c \u1ea3nh, c\u00e1ch m\u00f4 t\u1ea3 c\u00f3 th\u1ec3 kh\u00e1c nhau n\u1ebfu n\u00f3 \u0111\u01b0\u1ee3c d\u00f9ng trong b\u00e0i vi\u1ebft v\u1ec1 SEO, thi\u1ebft k\u1ebf v\u0103n ph\u00f2ng ho\u1eb7c thi\u1ebft b\u1ecb m\u00e1y t\u00ednh.<\/p>\n<blockquote><p><strong>Alt text k\u00e9m:<\/strong> \u201ch\u00ecnh \u1ea3nh\u201d<\/p><\/blockquote>\n<blockquote><p><strong>Alt text t\u1ed1t:<\/strong> \u201cChuy\u00ean gia SEO ph\u00e2n t\u00edch b\u00e1o c\u00e1o traffic Google Search Console tr\u00ean m\u00e0n h\u00ecnh laptop\u201d<\/p><\/blockquote>\n<p>M\u00f4 t\u1ea3 t\u1ed1t x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c ch\u1ee7 th\u1ec3, h\u00e0nh \u0111\u1ed9ng v\u00e0 ng\u1eef c\u1ea3nh. N\u00f3 gi\u00fap Google hi\u1ec3u m\u1ed1i li\u00ean h\u1ec7 gi\u1eefa \u1ea3nh v\u00e0 n\u1ed9i dung xung quanh, \u0111\u1ed3ng th\u1eddi cung c\u1ea5p \u0111\u1ee7 th\u00f4ng tin cho ng\u01b0\u1eddi kh\u00f4ng th\u1ec3 nh\u00ecn th\u1ea5y \u1ea3nh.<\/p>\n<p>N\u00ean \u0111\u1eb7t th\u00f4ng tin quan tr\u1ecdng nh\u1ea5t \u1edf \u0111\u1ea7u c\u00e2u. \u0110\u00e2y l\u00e0 c\u00e1ch vi\u1ebft an to\u00e0n v\u00ec m\u1ed9t s\u1ed1 tr\u00ecnh \u0111\u1ecdc m\u00e0n h\u00ecnh ho\u1eb7c c\u00e1ch tri\u1ec3n khai c\u00f3 th\u1ec3 l\u00e0m ph\u1ea7n m\u00f4 t\u1ea3 d\u00e0i tr\u1edf n\u00ean kh\u00f3 theo d\u00f5i sau kho\u1ea3ng 125 k\u00fd t\u1ef1.<\/p>\n<h3>Gi\u1eef Alt Text D\u01b0\u1edbi 125 K\u00fd T\u1ef1 V\u00e0 D\u00f9ng T\u1eeb Kh\u00f3a T\u1ef1 Nhi\u00ean<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/vbaseup.com\/kien-thuc\/wp-content\/uploads\/2026\/07\/alt-text-vi-du.webp\" alt=\"Alt text t\u1ed1t v\u00e0 x\u1ea5u v\u00ed d\u1ee5 so s\u00e1nh SEO h\u00ecnh \u1ea3nh t\u1eeb kh\u00f3a t\u1ef1 nhi\u00ean\" \/><\/p>\n<p>Alt text n\u00ean \u0111\u1ee7 d\u00e0i \u0111\u1ec3 truy\u1ec1n \u0111\u1ea1t n\u1ed9i dung nh\u01b0ng \u0111\u1ee7 ng\u1eafn \u0111\u1ec3 ng\u01b0\u1eddi d\u00f9ng hi\u1ec3u ngay. Trong ph\u1ea7n l\u1edbn tr\u01b0\u1eddng h\u1ee3p, kho\u1ea3ng 50\u2013100 k\u00fd t\u1ef1 l\u00e0 ph\u00f9 h\u1ee3p v\u00e0 n\u00ean gi\u1eef t\u1ed5ng \u0111\u1ed9 d\u00e0i d\u01b0\u1edbi 125 k\u00fd t\u1ef1.<\/p>\n<p>T\u1eeb kh\u00f3a c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n n\u1ebfu n\u00f3 th\u1ef1c s\u1ef1 m\u00f4 t\u1ea3 h\u00ecnh \u1ea3nh. Kh\u00f4ng n\u00ean l\u1eb7p nhi\u1ec1u bi\u1ebfn th\u1ec3 t\u1eeb kh\u00f3a ch\u1ec9 \u0111\u1ec3 t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn th\u1ee9 h\u1ea1ng. M\u1ed9t c\u00e2u t\u1ef1 nhi\u00ean gi\u00fap c\u1ea3 Google v\u00e0 ng\u01b0\u1eddi d\u00f9ng hi\u1ec3u \u1ea3nh t\u1ed1t h\u01a1n, trong khi keyword stuffing t\u1ea1o ra n\u1ed9i dung kh\u00f3 \u0111\u1ecdc v\u00e0 c\u00f3 th\u1ec3 b\u1ecb xem l\u00e0 t\u00edn hi\u1ec7u spam.<\/p>\n<table>\n<thead>\n<tr>\n<th>Tr\u01b0\u1eddng h\u1ee3p<\/th>\n<th>Alt Text K\u00e9m<\/th>\n<th>Alt Text Chu\u1ea9n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u1ea2nh s\u1ea3n ph\u1ea9m gi\u00e0y<\/td>\n<td>\u201cgi\u00e0y gi\u00e0y th\u1ec3 thao gi\u00e0y ch\u1ea1y b\u1ed9\u201d<\/td>\n<td>\u201cGi\u00e0y ch\u1ea1y b\u1ed9 Nike Air Zoom nam m\u00e0u \u0111en\u201d<\/td>\n<\/tr>\n<tr>\n<td>\u1ea2nh bi\u1ec3u \u0111\u1ed3 SEO<\/td>\n<td>\u201cbi\u1ec3u \u0111\u1ed3\u201d<\/td>\n<td>\u201cBi\u1ec3u \u0111\u1ed3 t\u0103ng tr\u01b0\u1edfng organic traffic 6 th\u00e1ng sau t\u1ed1i \u01b0u on-page SEO\u201d<\/td>\n<\/tr>\n<tr>\n<td>\u1ea2nh nh\u00f3m l\u00e0m vi\u1ec7c<\/td>\n<td>\u201cimage of people\u201d<\/td>\n<td>\u201cNh\u00f3m content marketer th\u1ea3o lu\u1eadn chi\u1ebfn l\u01b0\u1ee3c SEO tr\u00ean b\u1ea3ng tr\u1eafng\u201d<\/td>\n<\/tr>\n<tr>\n<td>\u1ea2nh trang tr\u00ed<\/td>\n<td>\u201c\u0111\u01b0\u1eddng k\u1ebb trang tr\u00ed \u0111\u1eb9p\u201d<\/td>\n<td><code>\"\"<\/code> (alt r\u1ed7ng)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Kh\u00f4ng B\u1eaft \u0110\u1ea7u Alt Text B\u1eb1ng \u201cH\u00ecnh \u1ea2nh C\u1ee7a\u201d Hay \u201c\u1ea2nh Ch\u1ee5p\u201d<\/h3>\n<p>Tr\u00ecnh \u0111\u1ecdc m\u00e0n h\u00ecnh th\u01b0\u1eddng t\u1ef1 th\u00f4ng b\u00e1o r\u1eb1ng ph\u1ea7n t\u1eed \u0111ang \u0111\u01b0\u1ee3c \u0111\u1ecdc l\u00e0 m\u1ed9t h\u00ecnh \u1ea3nh. V\u00ec v\u1eady, nh\u1eefng c\u1ee5m m\u1edf \u0111\u1ea7u nh\u01b0 \u201ch\u00ecnh \u1ea3nh c\u1ee7a\u201d, \u201c\u1ea3nh ch\u1ee5p\u201d ho\u1eb7c \u201cpicture of\u201d ch\u1ec9 l\u1eb7p l\u1ea1i th\u00f4ng tin m\u00e0 ng\u01b0\u1eddi d\u00f9ng \u0111\u00e3 bi\u1ebft.<\/p>\n<p>Thay v\u00ec vi\u1ebft \u201cH\u00ecnh \u1ea3nh c\u1ee7a m\u1ed9t nh\u00f3m content marketer \u0111ang h\u1ecdp\u201d, h\u00e3y vi\u1ebft tr\u1ef1c ti\u1ebfp: \u201cNh\u00f3m content marketer th\u1ea3o lu\u1eadn chi\u1ebfn l\u01b0\u1ee3c SEO tr\u00ean b\u1ea3ng tr\u1eafng\u201d. C\u00e1ch vi\u1ebft n\u00e0y ng\u1eafn h\u01a1n, \u0111\u01b0a th\u00f4ng tin quan tr\u1ecdng l\u00ean \u0111\u1ea7u v\u00e0 tr\u00e1nh t\u1ea1o tr\u1ea3i nghi\u1ec7m nghe r\u01b0\u1eddm r\u00e0.<\/p>\n<h3>D\u00f9ng Alt R\u1ed7ng Cho H\u00ecnh \u1ea2nh Trang Tr\u00ed<\/h3>\n<p>H\u00ecnh n\u1ec1n, \u0111\u01b0\u1eddng vi\u1ec1n, kho\u1ea3ng ph\u00e2n c\u00e1ch v\u00e0 h\u1ecda ti\u1ebft b\u1ed1 c\u1ee5c th\u01b0\u1eddng kh\u00f4ng truy\u1ec1n \u0111\u1ea1t th\u00f4ng tin. Nh\u1eefng h\u00ecnh \u1ea3nh n\u00e0y n\u00ean d\u00f9ng thu\u1ed9c t\u00ednh alt r\u1ed7ng:<\/p>\n<pre><code class=\"language-html\">alt=\"\"\r\n<\/code><\/pre>\n<p>Alt r\u1ed7ng cho tr\u00ecnh \u0111\u1ecdc m\u00e0n h\u00ecnh bi\u1ebft r\u1eb1ng h\u00ecnh \u1ea3nh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c b\u1ecf qua. \u0110i\u1ec1u n\u00e0y gi\u1ea3m \u201cnhi\u1ec5u\u201d khi ng\u01b0\u1eddi d\u00f9ng di chuy\u1ec3n qua trang v\u00e0 ng\u0103n Google x\u1eed l\u00fd nh\u1eefng m\u00f4 t\u1ea3 kh\u00f4ng c\u00f3 gi\u00e1 tr\u1ecb n\u1ed9i dung.<\/p>\n<p>N\u1ebfu caption ho\u1eb7c ph\u1ea7n v\u0103n b\u1ea3n ngay b\u00ean c\u1ea1nh \u0111\u00e3 truy\u1ec1n \u0111\u1ea1t \u0111\u1ea7y \u0111\u1ee7 th\u00f4ng tin c\u1ee7a \u1ea3nh, alt text c\u0169ng n\u00ean \u0111\u01b0\u1ee3c t\u1ed1i gi\u1ea3n \u0111\u1ec3 tr\u00e1nh \u0111\u1ecdc l\u1eb7p. Tuy nhi\u00ean, ch\u1ec9 d\u00f9ng alt r\u1ed7ng khi vi\u1ec7c b\u1ecf qua \u1ea3nh kh\u00f4ng l\u00e0m ng\u01b0\u1eddi d\u00f9ng m\u1ea5t th\u00f4ng tin c\u1ea7n thi\u1ebft.<\/p>\n<h2>C\u00e1c Lo\u1ea1i H\u00ecnh \u1ea2nh V\u00e0 C\u00e1ch Vi\u1ebft Alt Text Ph\u00f9 H\u1ee3p<\/h2>\n<p>Kh\u00f4ng c\u00f3 m\u1ed9t c\u00f4ng th\u1ee9c alt text duy nh\u1ea5t cho m\u1ecdi h\u00ecnh \u1ea3nh. C\u00e1ch m\u00f4 t\u1ea3 ph\u1ee5 thu\u1ed9c v\u00e0o l\u01b0\u1ee3ng th\u00f4ng tin m\u00e0 \u1ea3nh mang theo v\u00e0 vai tr\u00f2 c\u1ee7a \u1ea3nh trong trang. \u1ea2nh s\u1ea3n ph\u1ea9m c\u1ea7n thu\u1ed9c t\u00ednh nh\u1eadn di\u1ec7n; bi\u1ec3u \u0111\u1ed3 c\u1ea7n k\u1ebft lu\u1eadn ch\u00ednh; c\u00f2n \u1ea3nh trang tr\u00ed c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c b\u1ecf qua.<\/p>\n<h3>Alt Text Cho H\u00ecnh \u1ea2nh S\u1ea3n Ph\u1ea9m Trong Th\u01b0\u01a1ng M\u1ea1i \u0110i\u1ec7n T\u1eed<\/h3>\n<p>\u1ea2nh s\u1ea3n ph\u1ea9m c\u1ea7n gi\u00fap ng\u01b0\u1eddi d\u00f9ng v\u00e0 c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm ph\u00e2n bi\u1ec7t ch\u00ednh x\u00e1c m\u1eb7t h\u00e0ng. M\u1ed9t c\u1ea5u tr\u00fac th\u1ef1c t\u1ebf l\u00e0: <strong>th\u01b0\u01a1ng hi\u1ec7u + t\u00ean s\u1ea3n ph\u1ea9m + thu\u1ed9c t\u00ednh quan tr\u1ecdng<\/strong>. C\u00e1ch vi\u1ebft n\u00e0y c\u0169ng ph\u00f9 h\u1ee3p v\u1edbi nguy\u00ean t\u1eafc t\u1ed1i \u01b0u h\u00ecnh \u1ea3nh trong <a href=\"https:\/\/vbaseup.com\/kien-thuc\/on-page-seo\/\">on-page SEO<\/a>.<\/p>\n<p>Alt text c\u00f3 th\u1ec3 bao g\u1ed3m:<\/p>\n<ul>\n<li>T\u00ean s\u1ea3n ph\u1ea9m v\u00e0 th\u01b0\u01a1ng hi\u1ec7u.<\/li>\n<li>Model ho\u1eb7c phi\u00ean b\u1ea3n.<\/li>\n<li>M\u00e0u s\u1eafc, k\u00edch c\u1ee1 hay \u0111\u1ed1i t\u01b0\u1ee3ng s\u1eed d\u1ee5ng.<\/li>\n<li>G\u00f3c ch\u1ee5p ho\u1eb7c chi ti\u1ebft \u0111ang \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n.<\/li>\n<\/ul>\n<p>V\u00ed d\u1ee5, \u1ea3nh ch\u00ednh c\u00f3 th\u1ec3 d\u00f9ng \u201cGi\u00e0y Nike Air Zoom Pegasus 40 nam m\u00e0u xanh navy\u201d. \u1ea2nh ch\u1ee5p m\u1eb7t tr\u01b0\u1edbc n\u00ean \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 l\u00e0 \u201cGi\u00e0y Nike Air Zoom m\u1eb7t tr\u01b0\u1edbc\u201d, c\u00f2n \u1ea3nh c\u1eadn c\u1ea3nh ph\u1ea7n \u0111\u1ebf c\u00f3 th\u1ec3 d\u00f9ng \u201c\u0110\u1ebf gi\u00e0y Nike Air Zoom c\u00f4ng ngh\u1ec7 React\u201d.<\/p>\n<p>M\u1ed7i g\u00f3c ch\u1ee5p c\u1ea7n alt text ri\u00eang. Vi\u1ec7c l\u1eb7p m\u1ed9t m\u00f4 t\u1ea3 cho to\u00e0n b\u1ed9 \u1ea3nh s\u1ea3n ph\u1ea9m khi\u1ebfn Google v\u00e0 ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng nh\u1eadn ra s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa ch\u00fang.<\/p>\n<h3>Alt Text Cho H\u00ecnh \u1ea2nh Ph\u1ee9c T\u1ea1p Nh\u01b0 Bi\u1ec3u \u0110\u1ed3 V\u00e0 Infographic<\/h3>\n<p>Bi\u1ec3u \u0111\u1ed3 v\u00e0 infographic th\u01b0\u1eddng ch\u1ee9a qu\u00e1 nhi\u1ec1u d\u1eef li\u1ec7u \u0111\u1ec3 n\u00e9n v\u00e0o m\u1ed9t alt text ng\u1eafn. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, alt text n\u00ean truy\u1ec1n \u0111\u1ea1t k\u1ebft lu\u1eadn ch\u00ednh thay v\u00ec li\u1ec7t k\u00ea t\u1eebng con s\u1ed1.<\/p>\n<p>V\u00ed d\u1ee5: \u201cBi\u1ec3u \u0111\u1ed3 t\u0103ng tr\u01b0\u1edfng organic traffic 40% sau 6 th\u00e1ng t\u1ed1i \u01b0u SEO h\u00ecnh \u1ea3nh\u201d. Ph\u1ea7n m\u00f4 t\u1ea3 d\u00e0i, b\u1ea3ng d\u1eef li\u1ec7u ho\u1eb7c ph\u01b0\u01a1ng ph\u00e1p t\u00ednh n\u00ean \u0111\u01b0\u1ee3c \u0111\u1eb7t trong n\u1ed9i dung HTML g\u1ea7n \u1ea3nh, ch\u1eb3ng h\u1ea1n \u1edf caption hay m\u1ed9t \u0111o\u1ea1n gi\u1ea3i th\u00edch ri\u00eang.<\/p>\n<p>C\u00e1ch l\u00e0m n\u00e0y gi\u00fap ng\u01b0\u1eddi d\u00f9ng tr\u00ecnh \u0111\u1ecdc m\u00e0n h\u00ecnh ti\u1ebfp c\u1eadn \u0111\u01b0\u1ee3c c\u1ea3 k\u1ebft lu\u1eadn l\u1eabn d\u1eef li\u1ec7u chi ti\u1ebft. Google c\u0169ng kh\u00f4ng khuy\u1ebfn ngh\u1ecb \u0111\u1eb7t th\u00f4ng tin v\u0103n b\u1ea3n quan tr\u1ecdng ch\u1ec9 b\u00ean trong h\u00ecnh \u1ea3nh, b\u1edfi ch\u1eef trong HTML d\u1ec5 \u0111\u01b0\u1ee3c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm v\u00e0 c\u00f4ng ngh\u1ec7 h\u1ed7 tr\u1ee3 x\u1eed l\u00fd h\u01a1n.<\/p>\n<h2>C\u00e1c L\u1ed7i Ph\u1ed5 Bi\u1ebfn Khi Vi\u1ebft Alt Text V\u00e0 C\u00e1ch Kh\u1eafc Ph\u1ee5c<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/vbaseup.com\/kien-thuc\/wp-content\/uploads\/2026\/07\/alt-text-loi.webp\" alt=\"L\u1ed7i ph\u1ed5 bi\u1ebfn alt text SEO keyword stuffing thi\u1ebfu m\u00f4 t\u1ea3 h\u00ecnh \u1ea3nh\" \/><\/p>\n<p>N\u0103m l\u1ed7i d\u01b0\u1edbi \u0111\u00e2y th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n khi alt text \u0111\u01b0\u1ee3c vi\u1ebft nh\u01b0 m\u1ed9t th\u1ee7 t\u1ee5c k\u1ef9 thu\u1eadt thay v\u00ec m\u1ed9t ph\u1ea7n c\u1ee7a n\u1ed9i dung:<\/p>\n<ul>\n<li><strong>Nh\u1ed3i nh\u00e9t t\u1eeb kh\u00f3a:<\/strong> Nh\u1eefng m\u00f4 t\u1ea3 nh\u01b0 \u201cd\u1ecbch v\u1ee5 SEO, SEO website, SEO Google, c\u00f4ng ty SEO\u201d kh\u00f4ng gi\u1ea3i th\u00edch h\u00ecnh \u1ea3nh. H\u00e3y gi\u1eef l\u1ea1i m\u1ed9t t\u1eeb kh\u00f3a ph\u00f9 h\u1ee3p v\u00e0 vi\u1ebft th\u00e0nh c\u00e2u m\u00f4 t\u1ea3 t\u1ef1 nhi\u00ean. Keyword stuffing v\u1eeba l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn, v\u1eeba c\u00f3 th\u1ec3 b\u1ecb Google xem l\u00e0 h\u00e0nh vi spam.<\/li>\n<li><strong>Thi\u1ebfu alt text cho h\u00ecnh \u1ea3nh mang th\u00f4ng tin:<\/strong> Khi \u1ea3nh s\u1ea3n ph\u1ea9m, s\u01a1 \u0111\u1ed3 ho\u1eb7c bi\u1ec3u \u0111\u1ed3 kh\u00f4ng c\u00f3 m\u00f4 t\u1ea3, Googlebot thi\u1ebfu t\u00edn hi\u1ec7u \u0111\u1ec3 hi\u1ec3u \u1ea3nh v\u00e0 ng\u01b0\u1eddi d\u00f9ng tr\u00ecnh \u0111\u1ecdc m\u00e0n h\u00ecnh m\u1ea5t m\u1ed9t ph\u1ea7n n\u1ed9i dung. C\u1ea7n ph\u00e2n bi\u1ec7t r\u00f5 \u1ea3nh th\u00f4ng tin v\u1edbi \u1ea3nh trang tr\u00ed tr\u01b0\u1edbc khi quy\u1ebft \u0111\u1ecbnh \u0111\u1ec3 alt r\u1ed7ng.<\/li>\n<li><strong>M\u00f4 t\u1ea3 qu\u00e1 chung chung:<\/strong> C\u00e1c c\u1ee5m nh\u01b0 \u201ch\u00ecnh \u1ea3nh\u201d, \u201cs\u1ea3n ph\u1ea9m\u201d ho\u1eb7c \u201cbi\u1ec3u \u0111\u1ed3\u201d kh\u00f4ng cho bi\u1ebft \u0111i\u1ec1u g\u00ec th\u1ef1c s\u1ef1 xu\u1ea5t hi\u1ec7n. C\u00e1ch kh\u1eafc ph\u1ee5c l\u00e0 b\u1ed5 sung ch\u1ee7 th\u1ec3, thu\u1ed9c t\u00ednh ho\u1eb7c k\u1ebft lu\u1eadn quan tr\u1ecdng c\u1ee7a \u1ea3nh.<\/li>\n<li><strong>D\u00f9ng t\u00ean t\u1ec7p m\u1eb7c \u0111\u1ecbnh l\u00e0m alt text:<\/strong> \u201cIMG_4821.jpg\u201d kh\u00f4ng c\u00f3 \u00fd ngh\u0129a \u0111\u1ed1i v\u1edbi bot ho\u1eb7c ng\u01b0\u1eddi d\u00f9ng. M\u1ed9t m\u00f4 t\u1ea3 nh\u01b0 \u201cB\u00e1o c\u00e1o t\u0103ng tr\u01b0\u1edfng SEO qu\u00fd 3 n\u0103m 2024\u201d cung c\u1ea5p ng\u1eef c\u1ea3nh r\u00f5 r\u00e0ng h\u01a1n.<\/li>\n<li><strong>Sai ch\u00ednh t\u1ea3 ho\u1eb7c l\u1eb7p c\u00f9ng m\u1ed9t alt text:<\/strong> L\u1ed7i ch\u00ednh t\u1ea3 c\u00f3 th\u1ec3 l\u00e0m sai ngh\u0129a v\u00e0 gi\u1ea3m kh\u1ea3 n\u0103ng kh\u1edbp v\u1edbi truy v\u1ea5n. Vi\u1ec7c d\u00f9ng m\u1ed9t m\u00f4 t\u1ea3 cho nhi\u1ec1u \u1ea3nh kh\u00e1c nhau c\u0169ng khi\u1ebfn c\u00e1c \u1ea3nh tr\u1edf n\u00ean kh\u00f3 ph\u00e2n bi\u1ec7t. Alt text c\u1ea7n \u0111\u01b0\u1ee3c bi\u00ean t\u1eadp v\u00e0 ki\u1ec3m tra nh\u01b0 m\u1ecdi n\u1ed9i dung kh\u00e1c tr\u00ean trang.<\/li>\n<\/ul>\n<h2>C\u00e1ch Ki\u1ec3m Tra V\u00e0 Audit Alt Text Tr\u00ean Website<\/h2>\n<p>V\u1edbi website ch\u1ec9 c\u00f3 v\u00e0i trang, c\u00f3 th\u1ec3 ki\u1ec3m tra alt text b\u1eb1ng tay. Khi s\u1ed1 l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh t\u0103ng l\u00ean h\u00e0ng tr\u0103m ho\u1eb7c h\u00e0ng ngh\u00ecn, c\u1ea7n m\u1ed9t quy tr\u00ecnh audit c\u00f3 h\u1ec7 th\u1ed1ng:<\/p>\n<ol>\n<li>T\u1ea1o d\u1ef1 \u00e1n trong Semrush Site Audit, Screaming Frog ho\u1eb7c Ahrefs Site Audit.<\/li>\n<li>Ch\u1ea1y qu\u00e1 tr\u00ecnh thu th\u1eadp d\u1eef li\u1ec7u to\u00e0n website.<\/li>\n<li>L\u1ecdc c\u1ea3nh b\u00e1o \u201cImages Don\u2019t Have Alt Attributes\u201d ho\u1eb7c nh\u00f3m l\u1ed7i t\u01b0\u01a1ng \u0111\u01b0\u01a1ng.<\/li>\n<li>Xu\u1ea5t danh s\u00e1ch h\u00ecnh \u1ea3nh v\u00e0 URL trang \u0111ang s\u1eed d\u1ee5ng ch\u00fang.<\/li>\n<li>\u01afu ti\u00ean x\u1eed l\u00fd trang s\u1ea3n ph\u1ea9m, trang d\u1ecbch v\u1ee5 v\u00e0 nh\u1eefng trang \u0111ang c\u00f3 organic traffic.<\/li>\n<li>Vi\u1ebft l\u1ea1i alt text theo n\u1ed9i dung th\u1ef1c t\u1ebf c\u1ee7a t\u1eebng \u1ea3nh, sau \u0111\u00f3 ch\u1ea1y audit l\u1ea1i \u0111\u1ec3 x\u00e1c nh\u1eadn.<\/li>\n<\/ol>\n<p>\u0110\u1ed1i v\u1edbi t\u1eebng trang ri\u00eang l\u1ebb, Chrome DevTools cho ph\u00e9p xem thu\u1ed9c t\u00ednh alt trong m\u00e3 ngu\u1ed3n v\u00e0 c\u00e2y accessibility. WAVE Accessibility Tool c\u0169ng c\u00f3 th\u1ec3 \u0111\u00e1nh d\u1ea5u h\u00ecnh \u1ea3nh thi\u1ebfu alt ho\u1eb7c c\u00f3 c\u00e1ch tri\u1ec3n khai ch\u01b0a ph\u00f9 h\u1ee3p.<\/p>\n<p>Audit kh\u00f4ng ch\u1ec9 nh\u1eb1m l\u1ea5p c\u00e1c \u00f4 tr\u1ed1ng. M\u1ee5c ti\u00eau l\u00e0 t\u00ecm c\u1ea3 alt text qu\u00e1 d\u00e0i, tr\u00f9ng l\u1eb7p, nh\u1ed3i t\u1eeb kh\u00f3a ho\u1eb7c kh\u00f4ng c\u00f2n \u0111\u00fang sau khi h\u00ecnh \u1ea3nh \u0111\u01b0\u1ee3c thay \u0111\u1ed5i.<\/p>\n<h2>C\u00f4ng C\u1ee5 V\u00e0 AI H\u1ed7 Tr\u1ee3 T\u1ea1o V\u00e0 T\u1ed1i \u01afu Alt Text<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/vbaseup.com\/kien-thuc\/wp-content\/uploads\/2026\/07\/ai-alt-text.webp\" alt=\"AI t\u1ea1o alt text t\u1ef1 \u0111\u1ed9ng c\u00f4ng c\u1ee5 ki\u1ec3m tra h\u00ecnh \u1ea3nh SEO accessibility\" \/><\/p>\n<p>C\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 AltText.ai v\u00e0 t\u00ednh n\u0103ng AI trong m\u1ed9t s\u1ed1 CMS c\u00f3 th\u1ec3 nh\u1eadn di\u1ec7n h\u00ecnh \u1ea3nh r\u1ed3i \u0111\u1ec1 xu\u1ea5t m\u00f4 t\u1ea3 t\u1ef1 \u0111\u1ed9ng. \u0110\u00e2y l\u00e0 gi\u1ea3i ph\u00e1p h\u1eefu \u00edch cho website c\u00f3 l\u01b0\u1ee3ng \u1ea3nh l\u1edbn, n\u01a1i vi\u1ec7c vi\u1ebft t\u1eebng alt text b\u1eb1ng tay t\u1ed1n nhi\u1ec1u th\u1eddi gian.<\/p>\n<p>Tuy nhi\u00ean, AI th\u01b0\u1eddng ch\u1ec9 nh\u00ecn th\u1ea5y n\u1ed9i dung \u1ea3nh, kh\u00f4ng hi\u1ec3u \u0111\u1ea7y \u0111\u1ee7 vai tr\u00f2 c\u1ee7a \u1ea3nh trong trang. M\u1ed9t b\u1ee9c \u1ea3nh m\u00e1y t\u00ednh c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn thi\u1ebft k\u1ebf, SEO, ph\u1ea7n m\u1ec1m ho\u1eb7c n\u0103ng su\u1ea5t l\u00e0m vi\u1ec7c t\u00f9y theo ng\u1eef c\u1ea3nh. V\u00ec v\u1eady, \u0111\u1ea7u ra c\u1ee7a AI c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra tr\u01b0\u1edbc khi xu\u1ea5t b\u1ea3n:<\/p>\n<ul>\n<li>M\u00f4 t\u1ea3 c\u00f3 \u0111\u00fang n\u1ed9i dung h\u00ecnh \u1ea3nh kh\u00f4ng?<\/li>\n<li>M\u00f4 t\u1ea3 c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi ng\u1eef c\u1ea3nh c\u1ee7a trang kh\u00f4ng?<\/li>\n<li>T\u1eeb kh\u00f3a c\u00f3 xu\u1ea5t hi\u1ec7n t\u1ef1 nhi\u00ean kh\u00f4ng?<\/li>\n<li>T\u1ed5ng \u0111\u1ed9 d\u00e0i c\u00f3 d\u01b0\u1edbi 125 k\u00fd t\u1ef1 kh\u00f4ng?<\/li>\n<li>N\u1ed9i dung c\u00f3 l\u1eb7p ho\u1eb7c nh\u1ed3i nh\u00e9t t\u1eeb kh\u00f3a kh\u00f4ng?<\/li>\n<\/ul>\n<p>AI ph\u00f9 h\u1ee3p \u0111\u1ec3 t\u1ea1o b\u1ea3n nh\u00e1p h\u00e0ng lo\u1ea1t. Quy\u1ebft \u0111\u1ecbnh cu\u1ed1i c\u00f9ng v\u1eabn c\u1ea7n con ng\u01b0\u1eddi ki\u1ec3m tra t\u00ednh ch\u00ednh x\u00e1c v\u00e0 \u00fd ngh\u0129a.<\/p>\n<h2>Alt Text Trong Chi\u1ebfn L\u01b0\u1ee3c SEO H\u00ecnh \u1ea2nh T\u1ed5ng Th\u1ec3<\/h2>\n<p>Alt text ch\u1ec9 l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n c\u1ee7a SEO h\u00ecnh \u1ea3nh. M\u1ed9t m\u00f4 t\u1ea3 t\u1ed1t kh\u00f4ng th\u1ec3 b\u00f9 cho t\u1ec7p \u1ea3nh qu\u00e1 n\u1eb7ng, t\u00ean t\u1ec7p v\u00f4 ngh\u0129a ho\u1eb7c c\u1ea5u tr\u00fac trang thi\u1ebfu ng\u1eef c\u1ea3nh. Hi\u1ec7u qu\u1ea3 \u0111\u1ebfn t\u1eeb m\u1ed9t h\u1ec7 th\u1ed1ng g\u1ed3m nhi\u1ec1u t\u00edn hi\u1ec7u \u0111\u1ed3ng b\u1ed9:<\/p>\n<ul>\n<li><strong>T\u00ean t\u1ec7p m\u00f4 t\u1ea3:<\/strong> \u0110\u1eb7t th\u1ef1c th\u1ec3 quan tr\u1ecdng l\u00ean \u0111\u1ea7u, d\u00f9ng ba \u0111\u1ebfn b\u1ed1n t\u1eeb c\u1ea7n thi\u1ebft v\u00e0 ph\u00e2n c\u00e1ch b\u1eb1ng d\u1ea5u g\u1ea1ch ngang. V\u00ed d\u1ee5: <code>seo-audit-checklist.jpg<\/code> r\u00f5 r\u00e0ng h\u01a1n <code>checklist-cua-seo-audit-2024.jpg<\/code>.<\/li>\n<li><strong>Alt text ch\u00ednh x\u00e1c:<\/strong> M\u00f4 t\u1ea3 n\u1ed9i dung \u1ea3nh b\u1eb1ng ng\u00f4n ng\u1eef t\u1ef1 nhi\u00ean v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi trang.<\/li>\n<li><strong>Caption b\u1ed5 sung ng\u1eef c\u1ea3nh:<\/strong> D\u00f9ng khi ng\u01b0\u1eddi \u0111\u1ecdc c\u1ea7n l\u1eddi gi\u1ea3i th\u00edch tr\u1ef1c ti\u1ebfp b\u00ean d\u01b0\u1edbi \u1ea3nh.<\/li>\n<li><strong>Structured data:<\/strong> Khai b\u00e1o h\u00ecnh \u1ea3nh ph\u00f9 h\u1ee3p trong <a href=\"https:\/\/vbaseup.com\/kien-thuc\/structured-data\/\">structured data<\/a> \u0111\u1ec3 l\u00e0m r\u00f5 quan h\u1ec7 gi\u1eefa \u1ea3nh v\u00e0 th\u1ef1c th\u1ec3 tr\u00ean trang.<\/li>\n<li><strong>Image sitemap:<\/strong> \u0110\u01b0a nh\u1eefng h\u00ecnh \u1ea3nh quan tr\u1ecdng v\u00e0o sitemap \u0111\u1ec3 h\u1ed7 tr\u1ee3 Google ph\u00e1t hi\u1ec7n v\u00e0 thu th\u1eadp d\u1eef li\u1ec7u.<\/li>\n<\/ul>\n<p>C\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y ph\u1ee5c v\u1ee5 nh\u1eefng m\u1ee5c \u0111\u00edch kh\u00e1c nhau. T\u00ean t\u1ec7p gi\u00fap nh\u1eadn di\u1ec7n ban \u0111\u1ea7u, alt text gi\u1ea3i th\u00edch n\u1ed9i dung, caption ph\u1ee5c v\u1ee5 ng\u01b0\u1eddi \u0111\u1ecdc, c\u00f2n structured data v\u00e0 sitemap h\u1ed7 tr\u1ee3 c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm hi\u1ec3u c\u1ea5u tr\u00fac t\u1ed5ng th\u1ec3.<\/p>\n<h2>H\u01b0\u1edbng D\u1eabn Th\u00eam Alt Text Tr\u00ean C\u00e1c CMS Ph\u1ed5 Bi\u1ebfn<\/h2>\n<p>M\u1ed7i CMS \u0111\u1eb7t tr\u01b0\u1eddng alt text \u1edf m\u1ed9t v\u1ecb tr\u00ed kh\u00e1c nhau, nh\u01b0ng nguy\u00ean t\u1eafc kh\u00f4ng thay \u0111\u1ed5i: m\u00f4 t\u1ea3 ph\u1ea3i g\u1eafn v\u1edbi \u0111\u00fang h\u00ecnh \u1ea3nh v\u00e0 \u0111\u00fang ng\u1eef c\u1ea3nh s\u1eed d\u1ee5ng.<\/p>\n<ol>\n<li><strong>WordPress:<\/strong> M\u1edf Media Library v\u00e0 ch\u1ecdn h\u00ecnh \u1ea3nh c\u1ea7n ch\u1ec9nh. Nh\u1eadp m\u00f4 t\u1ea3 v\u00e0o tr\u01b0\u1eddng \u201cAlternative Text\u201d trong Attachment Details. Khi ch\u00e8n \u1ea3nh b\u1eb1ng block editor, tr\u01b0\u1eddng alt text c\u0169ng xu\u1ea5t hi\u1ec7n trong b\u1ea3ng c\u00e0i \u0111\u1eb7t b\u00ean ph\u1ea3i.<\/li>\n<li><strong>Shopify:<\/strong> M\u1edf Products, ch\u1ecdn s\u1ea3n ph\u1ea9m, sau \u0111\u00f3 ch\u1ecdn \u1ea3nh v\u00e0 d\u00f9ng t\u00f9y ch\u1ecdn \u201cEdit Alt Text\u201d. N\u00ean m\u00f4 t\u1ea3 ri\u00eang t\u1eebng g\u00f3c ch\u1ee5p thay v\u00ec sao ch\u00e9p c\u00f9ng m\u1ed9t n\u1ed9i dung cho to\u00e0n b\u1ed9 \u1ea3nh.<\/li>\n<li><strong>Wix:<\/strong> Ch\u1ecdn image block trong tr\u00ecnh ch\u1ec9nh s\u1eeda, m\u1edf ph\u1ea7n c\u00e0i \u0111\u1eb7t h\u00ecnh \u1ea3nh v\u00e0 nh\u1eadp n\u1ed9i dung v\u00e0o tr\u01b0\u1eddng alt text t\u01b0\u01a1ng \u1ee9ng.<\/li>\n<li><strong>Squarespace:<\/strong> M\u1edf c\u00e0i \u0111\u1eb7t c\u1ee7a image block, t\u00ecm tr\u01b0\u1eddng m\u00f4 t\u1ea3 thay th\u1ebf v\u00e0 nh\u1eadp alt text ph\u00f9 h\u1ee3p v\u1edbi vai tr\u00f2 c\u1ee7a \u1ea3nh tr\u00ean trang.<\/li>\n<\/ol>\n<p>Sau khi c\u1eadp nh\u1eadt, n\u00ean ki\u1ec3m tra l\u1ea1i trang \u0111\u00e3 xu\u1ea5t b\u1ea3n \u0111\u1ec3 b\u1ea3o \u0111\u1ea3m n\u1ed9i dung \u0111\u01b0\u1ee3c l\u01b0u \u0111\u00fang v\u00e0 kh\u00f4ng b\u1ecb plugin ho\u1eb7c giao di\u1ec7n ghi \u0111\u00e8.<\/p>\n<h2>T\u00f3m T\u1eaft \u2013 Alt Text SEO Chu\u1ea9n B\u1eaft \u0110\u1ea7u T\u1eeb M\u00f4 T\u1ea3 \u0110\u00fang<\/h2>\n<p>Alt text SEO hi\u1ec7u qu\u1ea3 kh\u00f4ng b\u1eaft \u0111\u1ea7u t\u1eeb c\u00e2u h\u1ecfi \u201cn\u00ean ch\u00e8n t\u1eeb kh\u00f3a n\u00e0o\u201d, m\u00e0 t\u1eeb c\u00e2u h\u1ecfi \u201cng\u01b0\u1eddi kh\u00f4ng nh\u00ecn th\u1ea5y \u1ea3nh c\u1ea7n bi\u1ebft \u0111i\u1ec1u g\u00ec\u201d. Khi c\u00e2u tr\u1ea3 l\u1eddi r\u00f5 r\u00e0ng, Google c\u0169ng c\u00f3 th\u00eam ng\u1eef c\u1ea3nh \u0111\u1ec3 hi\u1ec3u v\u00e0 ph\u00e2n lo\u1ea1i h\u00ecnh \u1ea3nh.<\/p>\n<p>Nh\u1eefng nguy\u00ean t\u1eafc c\u1ea7n ghi nh\u1edb:<\/p>\n<ul>\n<li>M\u00f4 t\u1ea3 \u0111\u00fang n\u1ed9i dung v\u00e0 vai tr\u00f2 c\u1ee7a h\u00ecnh \u1ea3nh trong trang.<\/li>\n<li>\u0110\u1eb7t th\u00f4ng tin quan tr\u1ecdng nh\u1ea5t \u1edf \u0111\u1ea7u.<\/li>\n<li>Gi\u1eef alt text d\u01b0\u1edbi 125 k\u00fd t\u1ef1 khi c\u00f3 th\u1ec3.<\/li>\n<li>S\u1eed d\u1ee5ng t\u1eeb kh\u00f3a t\u1ef1 nhi\u00ean, kh\u00f4ng nh\u1ed3i nh\u00e9t.<\/li>\n<li>Kh\u00f4ng m\u1edf \u0111\u1ea7u b\u1eb1ng \u201ch\u00ecnh \u1ea3nh c\u1ee7a\u201d ho\u1eb7c \u201c\u1ea3nh ch\u1ee5p\u201d.<\/li>\n<li>D\u00f9ng <code>alt=\"\"<\/code> cho h\u00ecnh \u1ea3nh ch\u1ec9 c\u00f3 ch\u1ee9c n\u0103ng trang tr\u00ed.<\/li>\n<li>Vi\u1ebft m\u00f4 t\u1ea3 ri\u00eang cho t\u1eebng \u1ea3nh s\u1ea3n ph\u1ea9m v\u00e0 t\u1eebng g\u00f3c ch\u1ee5p.<\/li>\n<li>K\u1ebft h\u1ee3p alt text ng\u1eafn v\u1edbi m\u00f4 t\u1ea3 d\u00e0i cho bi\u1ec3u \u0111\u1ed3, infographic.<\/li>\n<li>Audit alt text c\u00f9ng \u0111\u1ee3t technical SEO \u0111\u1ecbnh k\u1ef3, ph\u00f9 h\u1ee3p nh\u1ea5t l\u00e0 theo chu k\u1ef3 h\u00e0ng qu\u00fd.<\/li>\n<\/ul>\n<h3>Alt Text C\u00f3 Ph\u1ea3i L\u00e0 Y\u1ebfu T\u1ed1 X\u1ebfp H\u1ea1ng Tr\u1ef1c Ti\u1ebfp C\u1ee7a Google Kh\u00f4ng?<\/h3>\n<p>Kh\u00f4ng. Alt text kh\u00f4ng ph\u1ea3i m\u1ed9t y\u1ebfu t\u1ed1 x\u1ebfp h\u1ea1ng trang \u0111\u1ed9c l\u1eadp v\u00e0 \u0111\u1ee7 m\u1ea1nh \u0111\u1ec3 t\u1ef1 \u0111\u01b0a website l\u00ean v\u1ecb tr\u00ed cao. Google s\u1eed d\u1ee5ng n\u00f3 nh\u01b0 t\u00edn hi\u1ec7u ng\u1eef c\u1ea3nh \u0111\u1ec3 hi\u1ec3u h\u00ecnh \u1ea3nh v\u00e0 m\u1ed1i li\u00ean h\u1ec7 gi\u1eefa \u1ea3nh v\u1edbi n\u1ed9i dung trang.<\/p>\n<p>T\u00e1c \u0111\u1ed9ng r\u00f5 nh\u1ea5t n\u1eb1m \u1edf Google Images. Alt text ch\u00ednh x\u00e1c gi\u00fap h\u00ecnh \u1ea3nh \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i v\u00e0 kh\u1edbp v\u1edbi truy v\u1ea5n ph\u00f9 h\u1ee3p h\u01a1n. Gi\u00e1 tr\u1ecb SEO c\u1ee7a alt text v\u00ec th\u1ebf \u0111\u1ebfn t\u1eeb vi\u1ec7c l\u00e0m r\u00f5 n\u1ed9i dung, kh\u00f4ng ph\u1ea3i t\u1eeb vi\u1ec7c l\u1eb7p t\u1eeb kh\u00f3a.<\/p>\n<h3>C\u00f3 N\u00ean Th\u00eam Alt Text Cho M\u1ecdi H\u00ecnh \u1ea2nh Tr\u00ean Website Kh\u00f4ng?<\/h3>\n<p>Kh\u00f4ng. M\u1ecdi h\u00ecnh \u1ea3nh c\u1ea7n c\u00f3 c\u00e1ch x\u1eed l\u00fd alt ph\u00f9 h\u1ee3p, nh\u01b0ng kh\u00f4ng ph\u1ea3i \u1ea3nh n\u00e0o c\u0169ng c\u1ea7n m\u1ed9t c\u00e2u m\u00f4 t\u1ea3. H\u00ecnh \u1ea3nh mang th\u00f4ng tin ph\u1ea3i c\u00f3 alt text r\u00f5 r\u00e0ng. H\u00ecnh \u1ea3nh trang tr\u00ed nh\u01b0 background, border, spacer ho\u1eb7c h\u1ecda ti\u1ebft b\u1ed1 c\u1ee5c n\u00ean d\u00f9ng <code>alt=\"\"<\/code>.<\/p>\n<p>Alt r\u1ed7ng kh\u00f4ng ph\u1ea3i l\u00e0 b\u1ecf qu\u00ean t\u1ed1i \u01b0u. \u0110\u00f3 l\u00e0 ch\u1ec9 d\u1eabn c\u00f3 ch\u1ee7 \u0111\u00edch \u0111\u1ec3 tr\u00ecnh \u0111\u1ecdc m\u00e0n h\u00ecnh b\u1ecf qua n\u1ed9i dung kh\u00f4ng c\u1ea7n thi\u1ebft, gi\u00fap tr\u1ea3i nghi\u1ec7m ti\u1ebfp c\u1eadn g\u1ecdn v\u00e0 ch\u00ednh x\u00e1c h\u01a1n.<\/p>\n<h3>Alt Text C\u00f3 Gi\u00fap Website T\u0103ng Traffic T\u1eeb Google Images Kh\u00f4ng?<\/h3>\n<p>C\u00f3. Alt text m\u00f4 t\u1ea3 ch\u00ednh x\u00e1c v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi \u00fd \u0111\u1ecbnh t\u00ecm ki\u1ebfm gi\u00fap Google hi\u1ec3u h\u00ecnh \u1ea3nh, t\u1eeb \u0111\u00f3 t\u0103ng kh\u1ea3 n\u0103ng \u1ea3nh xu\u1ea5t hi\u1ec7n trong Google Images v\u00e0 c\u00e1c khu v\u1ef1c k\u1ebft qu\u1ea3 c\u00f3 h\u00ecnh \u1ea3nh.<\/p>\n<p>Tuy nhi\u00ean, alt text ch\u1ec9 l\u00e0 \u0111i\u1ec1u ki\u1ec7n c\u1ea7n. Kh\u1ea3 n\u0103ng thu h\u00fat traffic c\u00f2n ph\u1ee5 thu\u1ed9c v\u00e0o ch\u1ea5t l\u01b0\u1ee3ng \u1ea3nh, n\u1ed9i dung trang, t\u00ean t\u1ec7p, t\u1ed1c \u0111\u1ed9 t\u1ea3i, caption, structured data v\u00e0 kh\u1ea3 n\u0103ng Google thu th\u1eadp d\u1eef li\u1ec7u h\u00ecnh \u1ea3nh. Khi c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y \u0111\u01b0\u1ee3c tri\u1ec3n khai \u0111\u1ed3ng b\u1ed9, image search c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh m\u1ed9t ngu\u1ed3n organic traffic b\u1ed5 sung b\u1ec1n v\u1eefng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tr\u00ean m\u1ed9t website, h\u00ecnh \u1ea3nh kh\u00f4ng ch\u1ec9 \u0111\u01b0\u1ee3c nh\u00ecn b\u1eb1ng m\u1eaft. Google c\u1ea7n \u0111\u1ecdc ch\u00fang \u0111\u1ec3 hi\u1ec3u n\u1ed9i dung, c\u00f2n ng\u01b0\u1eddi d\u00f9ng tr\u00ecnh \u0111\u1ecdc m\u00e0n h\u00ecnh c\u1ea7n nghe ph\u1ea7n m\u00f4 t\u1ea3 \u0111\u1ec3 ti\u1ebfp c\u1eadn th\u00f4ng tin. Alt text SEO v\u00ec th\u1ebf l\u00e0 m\u1ed9t t\u00edn hi\u1ec7u ng\u1eef ngh\u0129a k\u00e9p: v\u1eeba gi\u00fap Google hi\u1ec3u, ph\u00e2n lo\u1ea1i v\u00e0 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3482,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14,22],"tags":[23],"class_list":["post-3487","post","type-post","status-publish","format-standard","has-post-thumbnail","category-seo","category-on-page-seo","tag-on-page-seo"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/vbaseup.com\/kien-thuc\/wp-json\/wp\/v2\/posts\/3487","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vbaseup.com\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vbaseup.com\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vbaseup.com\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vbaseup.com\/kien-thuc\/wp-json\/wp\/v2\/comments?post=3487"}],"version-history":[{"count":1,"href":"https:\/\/vbaseup.com\/kien-thuc\/wp-json\/wp\/v2\/posts\/3487\/revisions"}],"predecessor-version":[{"id":3488,"href":"https:\/\/vbaseup.com\/kien-thuc\/wp-json\/wp\/v2\/posts\/3487\/revisions\/3488"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vbaseup.com\/kien-thuc\/wp-json\/wp\/v2\/media\/3482"}],"wp:attachment":[{"href":"https:\/\/vbaseup.com\/kien-thuc\/wp-json\/wp\/v2\/media?parent=3487"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vbaseup.com\/kien-thuc\/wp-json\/wp\/v2\/categories?post=3487"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vbaseup.com\/kien-thuc\/wp-json\/wp\/v2\/tags?post=3487"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}