{"id":63111,"date":"2025-03-18T02:42:35","date_gmt":"2025-03-17T19:42:35","guid":{"rendered":"https:\/\/jaybranding.com\/vai-tro-quan-trong-cua-alt-text-trong-seo-hinh-anh\/"},"modified":"2025-03-18T02:42:35","modified_gmt":"2025-03-17T19:42:35","slug":"vai-tro-quan-trong-cua-alt-text-trong-seo-hinh-anh","status":"publish","type":"post","link":"https:\/\/jaybranding.com\/en\/vai-tro-quan-trong-cua-alt-text-trong-seo-hinh-anh\/","title":{"rendered":"Vai Tr\u00f2 Quan Tr\u1ecdng C\u1ee7a Alt Text Trong SEO H\u00ecnh \u1ea2nh"},"content":{"rendered":"
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Trong th\u1ebf gi\u1edbi SEO ng\u00e0y c\u00e0ng c\u1ea1nh tranh, m\u1ed7i y\u1ebfu t\u1ed1 \u0111\u1ec1u c\u00f3 th\u1ec3 t\u1ea1o n\u00ean s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 cho th\u1ee9 h\u1ea1ng trang web c\u1ee7a b\u1ea1n. M\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 th\u01b0\u1eddng b\u1ecb b\u1ecf qua nh\u01b0ng l\u1ea1i c\u1ef1c k\u1ef3 quan tr\u1ecdng ch\u00ednh l\u00e0 t\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh, \u0111\u1eb7c bi\u1ec7t l\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng alt text (v\u0103n b\u1ea3n thay th\u1ebf). B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o ph\u00e2n t\u00edch vai tr\u00f2 c\u1ee7a alt text trong SEO h\u00ecnh \u1ea3nh, cung c\u1ea5p nh\u1eefng h\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u00e0 v\u00ed d\u1ee5 th\u1ef1c t\u1ebf \u0111\u1ec3 gi\u00fap b\u1ea1n t\u1ed1i \u01b0u h\u00f3a n\u1ed9i dung h\u00ecnh \u1ea3nh m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n

Alt Text L\u00e0 G\u00ec?<\/h2>\n

Alt text (vi\u1ebft t\u1eaft c\u1ee7a “alternative text”) l\u00e0 thu\u1ed9c t\u00ednh HTML \u0111\u01b0\u1ee3c th\u00eam v\u00e0o th\u1ebb h\u00ecnh \u1ea3nh \u0111\u1ec3 m\u00f4 t\u1ea3 n\u1ed9i dung c\u1ee7a h\u00ecnh \u1ea3nh \u0111\u00f3. V\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt, alt text \u0111\u01b0\u1ee3c th\u00eam v\u00e0o nh\u01b0 sau:<\/p>\n

<img src=\"duong-dan-hinh-anh.jpg\" alt=\"M\u00f4 t\u1ea3 v\u1ec1 h\u00ecnh \u1ea3nh\"><\/code><\/p>\n

Ban \u0111\u1ea7u, alt text \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 h\u1ed7 tr\u1ee3 ng\u01b0\u1eddi d\u00f9ng trong tr\u01b0\u1eddng h\u1ee3p h\u00ecnh \u1ea3nh kh\u00f4ng th\u1ec3 hi\u1ec3n th\u1ecb do k\u1ebft n\u1ed1i internet ch\u1eadm, l\u1ed7i \u0111\u01b0\u1eddng d\u1eabn, ho\u1eb7c khi ng\u01b0\u1eddi d\u00f9ng s\u1eed d\u1ee5ng tr\u00ecnh \u0111\u1ecdc m\u00e0n h\u00ecnh. Tuy nhi\u00ean, v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 t\u00ecm ki\u1ebfm, alt text \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t y\u1ebfu t\u1ed1 SEO quan tr\u1ecdng m\u00e0 c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm nh\u01b0 Google s\u1eed d\u1ee5ng \u0111\u1ec3 hi\u1ec3u n\u1ed9i dung h\u00ecnh \u1ea3nh.<\/p>\n

T\u1ea7m Quan Tr\u1ecdng C\u1ee7a Alt Text Trong SEO H\u00ecnh \u1ea2nh<\/h2>\n

1. Gi\u00fap Google Hi\u1ec3u N\u1ed9i Dung H\u00ecnh \u1ea2nh<\/h3>\n

M\u1eb7c d\u00f9 c\u00f4ng ngh\u1ec7 nh\u1eadn di\u1ec7n h\u00ecnh \u1ea3nh c\u1ee7a Google \u0111\u00e3 ph\u00e1t tri\u1ec3n v\u01b0\u1ee3t b\u1eadc, nh\u01b0ng c\u00e1c thu\u1eadt to\u00e1n v\u1eabn c\u1ea7n s\u1ef1 h\u1ed7 tr\u1ee3 \u0111\u1ec3 hi\u1ec3u ch\u00ednh x\u00e1c n\u1ed9i dung h\u00ecnh \u1ea3nh. Alt text cung c\u1ea5p ng\u1eef c\u1ea3nh v\u00e0 th\u00f4ng tin b\u1ed5 sung gi\u00fap Google ph\u00e2n lo\u1ea1i v\u00e0 x\u1ebfp h\u1ea1ng h\u00ecnh \u1ea3nh c\u1ee7a b\u1ea1n trong k\u1ebft qu\u1ea3 t\u00ecm ki\u1ebfm h\u00ecnh \u1ea3nh.<\/p>\n

Theo nghi\u00ean c\u1ee9u c\u1ee7a Backlinko, h\u00ecnh \u1ea3nh c\u00f3 alt text ph\u00f9 h\u1ee3p c\u00f3 kh\u1ea3 n\u0103ng xu\u1ea5t hi\u1ec7n trong k\u1ebft qu\u1ea3 t\u00ecm ki\u1ebfm cao h\u01a1n 1.4 l\u1ea7n so v\u1edbi h\u00ecnh \u1ea3nh kh\u00f4ng c\u00f3 alt text ho\u1eb7c c\u00f3 alt text kh\u00f4ng li\u00ean quan.<\/p>\n

2. C\u1ea3i Thi\u1ec7n Tr\u1ea3i Nghi\u1ec7m Ng\u01b0\u1eddi D\u00f9ng<\/h3>\n

Alt text kh\u00f4ng ch\u1ec9 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm m\u00e0 c\u00f2n \u0111\u00f3ng vai tr\u00f2 thi\u1ebft y\u1ebfu trong vi\u1ec7c c\u1ea3i thi\u1ec7n tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi:<\/p>\n

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    • Ng\u01b0\u1eddi d\u00f9ng khi\u1ebfm th\u1ecb s\u1eed d\u1ee5ng tr\u00ecnh \u0111\u1ecdc m\u00e0n h\u00ecnh<\/li>\n<\/ul>\n
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      • Ng\u01b0\u1eddi d\u00f9ng t\u1eaft t\u00ednh n\u0103ng hi\u1ec3n th\u1ecb h\u00ecnh \u1ea3nh \u0111\u1ec3 ti\u1ebft ki\u1ec7m d\u1eef li\u1ec7u<\/li>\n<\/ul>\n
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        • Ng\u01b0\u1eddi d\u00f9ng g\u1eb7p v\u1ea5n \u0111\u1ec1 v\u1ec1 k\u1ebft n\u1ed1i khi\u1ebfn h\u00ecnh \u1ea3nh kh\u00f4ng t\u1ea3i \u0111\u01b0\u1ee3c<\/li>\n<\/ul>\n<\/ul>\n

          Theo Web Accessibility Initiative (WAI), vi\u1ec7c cung c\u1ea5p alt text ph\u00f9 h\u1ee3p l\u00e0 m\u1ed9t trong nh\u1eefng y\u00eau c\u1ea7u c\u01a1 b\u1ea3n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o trang web c\u1ee7a b\u1ea1n tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n WCAG (Web Content Accessibility Guidelines).<\/p>\n

          3. T\u0103ng C\u01a1 H\u1ed9i Xu\u1ea5t Hi\u1ec7n Trong T\u00ecm Ki\u1ebfm H\u00ecnh \u1ea2nh<\/h3>\n

          T\u00ecm ki\u1ebfm h\u00ecnh \u1ea3nh c\u1ee7a Google chi\u1ebfm kho\u1ea3ng 22.6% t\u1ed5ng l\u01b0u l\u01b0\u1ee3ng t\u00ecm ki\u1ebfm tr\u00ean web (theo nghi\u00ean c\u1ee9u c\u1ee7a Moz n\u0103m 2022). \u0110\u00e2y l\u00e0 ngu\u1ed3n traffic ti\u1ec1m n\u0103ng m\u00e0 nhi\u1ec1u trang web b\u1ecf qua. Alt text \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a gi\u00fap h\u00ecnh \u1ea3nh c\u1ee7a b\u1ea1n c\u00f3 c\u01a1 h\u1ed9i cao h\u01a1n \u0111\u1ec3 xu\u1ea5t hi\u1ec7n trong k\u1ebft qu\u1ea3 t\u00ecm ki\u1ebfm h\u00ecnh \u1ea3nh, t\u1eeb \u0111\u00f3 mang l\u1ea1i l\u01b0\u1ee3ng truy c\u1eadp ch\u1ea5t l\u01b0\u1ee3ng cho trang web.<\/p>\n

          4. B\u1ed5 Sung T\u1eeb Kh\u00f3a M\u1ed9t C\u00e1ch T\u1ef1 Nhi\u00ean<\/h3>\n

          Alt text l\u00e0 c\u01a1 h\u1ed9i \u0111\u1ec3 b\u1ea1n b\u1ed5 sung t\u1eeb kh\u00f3a m\u1ed9t c\u00e1ch t\u1ef1 nhi\u00ean v\u00e0o trang web. Tuy nhi\u00ean, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i tr\u00e1nh nh\u1ed3i nh\u00e9t t\u1eeb kh\u00f3a (keyword stuffing) v\u00e0o alt text, v\u00ec \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 b\u1ecb Google coi l\u00e0 vi ph\u1ea1m nguy\u00ean t\u1eafc SEO v\u00e0 d\u1eabn \u0111\u1ebfn h\u00ecnh ph\u1ea1t.<\/p>\n

          C\u00e1ch Vi\u1ebft Alt Text Hi\u1ec7u Qu\u1ea3 Cho SEO<\/h2>\n

          1. M\u00f4 T\u1ea3 Ch\u00ednh X\u00e1c N\u1ed9i Dung H\u00ecnh \u1ea2nh<\/h3>\n

          Nguy\u00ean t\u1eafc \u0111\u1ea7u ti\u00ean v\u00e0 quan tr\u1ecdng nh\u1ea5t khi vi\u1ebft alt text l\u00e0 m\u00f4 t\u1ea3 ch\u00ednh x\u00e1c nh\u1eefng g\u00ec xu\u1ea5t hi\u1ec7n trong h\u00ecnh \u1ea3nh. H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng b\u1ea1n \u0111ang m\u00f4 t\u1ea3 h\u00ecnh \u1ea3nh cho m\u1ed9t ng\u01b0\u1eddi kh\u00f4ng th\u1ec3 nh\u00ecn th\u1ea5y n\u00f3.<\/p>\n

          V\u00ed d\u1ee5 k\u00e9m:<\/strong> alt=\"h\u00ecnh \u1ea3nh\"<\/code> or alt=\"\u1ea3nh s\u1ea3n ph\u1ea9m\"<\/code><\/p>\n

          V\u00ed d\u1ee5 t\u1ed1t:<\/strong> alt=\"\u0110\u00f4i gi\u00e0y th\u1ec3 thao Nike Air Max m\u00e0u \u0111en v\u1edbi \u0111\u1ebf cao su tr\u1eafng, nh\u00ecn t\u1eeb g\u00f3c 45 \u0111\u1ed9\"<\/code><\/p>\n

          2. Gi\u1eef Alt Text Ng\u1eafn G\u1ecdn Nh\u01b0ng \u0110\u1ea7y \u0110\u1ee7 Th\u00f4ng Tin<\/h3>\n

          M\u1eb7c d\u00f9 kh\u00f4ng c\u00f3 gi\u1edbi h\u1ea1n c\u1ee5 th\u1ec3 v\u1ec1 \u0111\u1ed9 d\u00e0i c\u1ee7a alt text, nh\u01b0ng c\u00e1c chuy\u00ean gia SEO khuy\u1ebfn ngh\u1ecb gi\u1eef alt text d\u01b0\u1edbi 125 k\u00fd t\u1ef1 v\u00ec m\u1ed9t s\u1ed1 tr\u00ecnh \u0111\u1ecdc m\u00e0n h\u00ecnh c\u00f3 th\u1ec3 c\u1eaft b\u1edbt v\u0103n b\u1ea3n d\u00e0i h\u01a1n. H\u00e3y c\u1ed1 g\u1eafng truy\u1ec1n t\u1ea3i th\u00f4ng tin quan tr\u1ecdng nh\u1ea5t trong kho\u1ea3ng 8-10 t\u1eeb.<\/p>\n

          3. S\u1eed D\u1ee5ng T\u1eeb Kh\u00f3a M\u1ed9t C\u00e1ch T\u1ef1 Nhi\u00ean<\/h3>\n

          Khi ph\u00f9 h\u1ee3p, h\u00e3y \u0111\u01b0a t\u1eeb kh\u00f3a m\u1ee5c ti\u00eau v\u00e0o alt text. Tuy nhi\u00ean, \u0111i\u1ec1u n\u00e0y ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n m\u1ed9t c\u00e1ch t\u1ef1 nhi\u00ean v\u00e0 ch\u1ec9 khi t\u1eeb kh\u00f3a th\u1ef1c s\u1ef1 li\u00ean quan \u0111\u1ebfn n\u1ed9i dung h\u00ecnh \u1ea3nh.<\/p>\n

          V\u00ed d\u1ee5 k\u00e9m:<\/strong> alt=\"gi\u00e0y th\u1ec3 thao gi\u00e0y th\u1ec3 thao nike gi\u00e0y ch\u1ea1y b\u1ed9 gi\u00e0y nam gi\u00e0y th\u1ec3 thao nam\"<\/code><\/p>\n

          V\u00ed d\u1ee5 t\u1ed1t:<\/strong> alt=\"Gi\u00e0y th\u1ec3 thao Nike Revolution 5 m\u00e0u xanh navy d\u00e0nh cho nam\"<\/code><\/p>\n

          4. Tr\u00e1nh B\u1eaft \u0110\u1ea7u B\u1eb1ng “H\u00ecnh \u1ea3nh c\u1ee7a” ho\u1eb7c “\u1ea2nh c\u1ee7a”<\/h3>\n

          Kh\u00f4ng c\u1ea7n thi\u1ebft ph\u1ea3i b\u1eaft \u0111\u1ea7u alt text b\u1eb1ng “h\u00ecnh \u1ea3nh c\u1ee7a” ho\u1eb7c “\u1ea3nh c\u1ee7a” v\u00ec c\u00e1c tr\u00ecnh \u0111\u1ecdc m\u00e0n h\u00ecnh \u0111\u00e3 th\u00f4ng b\u00e1o cho ng\u01b0\u1eddi d\u00f9ng r\u1eb1ng \u0111\u00f3 l\u00e0 m\u1ed9t h\u00ecnh \u1ea3nh tr\u01b0\u1edbc khi \u0111\u1ecdc alt text.<\/p>\n

          V\u00ed d\u1ee5 k\u00e9m:<\/strong> alt=\"H\u00ecnh \u1ea3nh c\u1ee7a m\u1ed9t chi\u1ebfc laptop Dell XPS 13\"<\/code><\/p>\n

          V\u00ed d\u1ee5 t\u1ed1t:<\/strong> alt=\"Laptop Dell XPS 13 m\u00e0u b\u1ea1c v\u1edbi m\u00e0n h\u00ecnh 13 inch \u0111ang m\u1edf\"<\/code><\/p>\n

          5. Bao G\u1ed3m Ng\u1eef C\u1ea3nh Li\u00ean Quan<\/h3>\n

          N\u1ebfu h\u00ecnh \u1ea3nh ch\u1ee9a th\u00f4ng tin quan tr\u1ecdng li\u00ean quan \u0111\u1ebfn ng\u1eef c\u1ea3nh c\u1ee7a trang, h\u00e3y \u0111\u1ea3m b\u1ea3o \u0111\u01b0a th\u00f4ng tin \u0111\u00f3 v\u00e0o alt text.<\/p>\n

          For example:<\/strong> Thay v\u00ec ch\u1ec9 vi\u1ebft alt=\"Bi\u1ec3u \u0111\u1ed3 t\u0103ng tr\u01b0\u1edfng\"<\/code>, h\u00e3y vi\u1ebft alt=\"Bi\u1ec3u \u0111\u1ed3 t\u0103ng tr\u01b0\u1edfng doanh thu 50% c\u1ee7a c\u00f4ng ty ABC t\u1eeb 2020-2023\"<\/code><\/p>\n

          Nh\u1eefng L\u1ed7i Th\u01b0\u1eddng G\u1eb7p Khi S\u1eed D\u1ee5ng Alt Text<\/h2>\n

          1. B\u1ecf Tr\u1ed1ng Alt Text<\/h3>\n

          M\u1ed9t trong nh\u1eefng l\u1ed7i ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 ho\u00e0n to\u00e0n b\u1ecf qua vi\u1ec7c th\u00eam alt text cho h\u00ecnh \u1ea3nh. Theo m\u1ed9t nghi\u00ean c\u1ee9u c\u1ee7a Ahrefs, kho\u1ea3ng 40% trang web h\u00e0ng \u0111\u1ea7u v\u1eabn c\u00f3 \u00edt nh\u1ea5t m\u1ed9t h\u00ecnh \u1ea3nh kh\u00f4ng c\u00f3 alt text.<\/p>\n

          Tuy nhi\u00ean, c\u1ea7n l\u01b0u \u00fd r\u1eb1ng \u0111\u1ed1i v\u1edbi h\u00ecnh \u1ea3nh thu\u1ea7n t\u00fay mang t\u00ednh trang tr\u00ed (kh\u00f4ng mang th\u00f4ng tin quan tr\u1ecdng), b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng alt text tr\u1ed1ng (alt=\"\"<\/code>) \u0111\u1ec3 tr\u00ecnh \u0111\u1ecdc m\u00e0n h\u00ecnh b\u1ecf qua ch\u00fang.<\/p>\n

          2. Nh\u1ed3i Nh\u00e9t T\u1eeb Kh\u00f3a<\/h3>\n

          Vi\u1ec7c l\u1ea1m d\u1ee5ng t\u1eeb kh\u00f3a trong alt text kh\u00f4ng ch\u1ec9 l\u00e0m gi\u1ea3m tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng m\u00e0 c\u00f2n c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u00ecnh ph\u1ea1t t\u1eeb Google. H\u00e3y nh\u1edb r\u1eb1ng m\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a alt text l\u00e0 m\u00f4 t\u1ea3 h\u00ecnh \u1ea3nh, kh\u00f4ng ph\u1ea3i l\u00e0 c\u01a1 h\u1ed9i \u0111\u1ec3 nh\u1ed3i nh\u00e9t t\u1eeb kh\u00f3a.<\/p>\n

          3. S\u1eed D\u1ee5ng Alt Text Qu\u00e1 Chung Chung<\/h3>\n

          Alt text nh\u01b0 “h\u00ecnh \u1ea3nh”, “\u1ea3nh”, “h\u00ecnh” kh\u00f4ng cung c\u1ea5p b\u1ea5t k\u1ef3 gi\u00e1 tr\u1ecb n\u00e0o cho ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm. H\u00e3y lu\u00f4n c\u1ed1 g\u1eafng cung c\u1ea5p m\u00f4 t\u1ea3 c\u1ee5 th\u1ec3 v\u00e0 c\u00f3 \u00fd ngh\u0129a.<\/p>\n

          4. S\u1eed D\u1ee5ng C\u00f9ng M\u1ed9t Alt Text Cho Nhi\u1ec1u H\u00ecnh \u1ea2nh<\/h3>\n

          M\u1ed7i h\u00ecnh \u1ea3nh tr\u00ean trang web c\u1ee7a b\u1ea1n n\u00ean c\u00f3 alt text ri\u00eang bi\u1ec7t v\u00e0 c\u1ee5 th\u1ec3. Vi\u1ec7c sao ch\u00e9p c\u00f9ng m\u1ed9t alt text cho nhi\u1ec1u h\u00ecnh \u1ea3nh kh\u00e1c nhau l\u00e0m gi\u1ea3m gi\u00e1 tr\u1ecb SEO v\u00e0 kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn.<\/p>\n

          C\u00f4ng C\u1ee5 V\u00e0 Ph\u01b0\u01a1ng Ph\u00e1p Ki\u1ec3m Tra Alt Text<\/h2>\n

          1. Ki\u1ec3m Tra Th\u1ee7 C\u00f4ng<\/h3>\n

          B\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra alt text c\u1ee7a h\u00ecnh \u1ea3nh b\u1eb1ng c\u00e1ch:<\/p>\n

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            • Di chu\u1ed9t qua h\u00ecnh \u1ea3nh (m\u1ed9t s\u1ed1 tr\u00ecnh duy\u1ec7t s\u1ebd hi\u1ec3n th\u1ecb alt text)<\/li>\n<\/ul>\n
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              • Xem m\u00e3 ngu\u1ed3n c\u1ee7a trang (Ctrl+U tr\u00ean h\u1ea7u h\u1ebft c\u00e1c tr\u00ecnh duy\u1ec7t)<\/li>\n<\/ul>\n
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                • S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 ki\u1ec3m tra c\u1ee7a tr\u00ecnh duy\u1ec7t (chu\u1ed9t ph\u1ea3i v\u00e0o h\u00ecnh \u1ea3nh v\u00e0 ch\u1ecdn “Ki\u1ec3m tra” ho\u1eb7c “Inspect”)<\/li>\n<\/ul>\n<\/ul>\n

                  2. C\u00f4ng C\u1ee5 Ki\u1ec3m Tra T\u1ef1 \u0110\u1ed9ng<\/h3>\n

                  C\u00f3 nhi\u1ec1u c\u00f4ng c\u1ee5 c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n ki\u1ec3m tra alt text tr\u00ean to\u00e0n b\u1ed9 trang web:<\/p>\n

                    \n
                      \n
                    • Screaming Frog SEO Spider: Qu\u00e9t to\u00e0n b\u1ed9 trang web v\u00e0 hi\u1ec3n th\u1ecb danh s\u00e1ch h\u00ecnh \u1ea3nh thi\u1ebfu alt text<\/li>\n<\/ul>\n
                        \n
                      • WAVE Web Accessibility Evaluation Tool: Ki\u1ec3m tra kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn c\u1ee7a trang web, bao g\u1ed3m c\u1ea3 alt text<\/li>\n<\/ul>\n
                          \n
                        • Google Lighthouse: C\u00f4ng c\u1ee5 t\u00edch h\u1ee3p trong Chrome DevTools, cung c\u1ea5p b\u00e1o c\u00e1o v\u1ec1 SEO v\u00e0 kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn<\/li>\n<\/ul>\n
                            \n
                          • Semrush Site Audit: Ph\u00e1t hi\u1ec7n v\u1ea5n \u0111\u1ec1 SEO bao g\u1ed3m c\u1ea3 h\u00ecnh \u1ea3nh thi\u1ebfu alt text<\/li>\n<\/ul>\n<\/ul>\n

                            Alt Text V\u00e0 C\u00e1c Y\u1ebfu T\u1ed1 SEO H\u00ecnh \u1ea2nh Kh\u00e1c<\/h2>\n

                            M\u1eb7c d\u00f9 alt text r\u1ea5t quan tr\u1ecdng, nh\u01b0ng \u0111\u00f3 ch\u1ec9 l\u00e0 m\u1ed9t ph\u1ea7n trong chi\u1ebfn l\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh to\u00e0n di\u1ec7n. \u0110\u1ec3 t\u1ed1i \u0111a h\u00f3a hi\u1ec7u qu\u1ea3 SEO h\u00ecnh \u1ea3nh, b\u1ea1n c\u0169ng n\u00ean ch\u00fa \u00fd \u0111\u1ebfn:<\/p>\n

                            1. T\u00ean File H\u00ecnh \u1ea2nh<\/h3>\n

                            T\u00ean file h\u00ecnh \u1ea3nh n\u00ean m\u00f4 t\u1ea3 v\u00e0 ch\u1ee9a t\u1eeb kh\u00f3a khi ph\u00f9 h\u1ee3p. Thay v\u00ec “IMG_12345.jpg”, h\u00e3y s\u1eed d\u1ee5ng “giay-the-thao-nike-air-max-den.jpg”.<\/p>\n

                            2. K\u00edch Th\u01b0\u1edbc V\u00e0 \u0110\u1ecbnh D\u1ea1ng H\u00ecnh \u1ea2nh<\/h3>\n

                            H\u00ecnh \u1ea3nh n\u00ean \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a v\u1ec1 k\u00edch th\u01b0\u1edbc v\u00e0 n\u00e9n \u0111\u1ec3 t\u1ea3i nhanh h\u01a1n. Google \u01b0u ti\u00ean c\u00e1c trang web c\u00f3 t\u1ed1c \u0111\u1ed9 t\u1ea3i nhanh, v\u00e0 h\u00ecnh \u1ea3nh th\u01b0\u1eddng l\u00e0 nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y ch\u1eadm trang web.<\/p>\n

                            3. C\u1ea5u Tr\u00fac Th\u01b0 M\u1ee5c H\u00ecnh \u1ea2nh<\/h3>\n

                            T\u1ed5 ch\u1ee9c h\u00ecnh \u1ea3nh trong c\u00e1c th\u01b0 m\u1ee5c c\u00f3 t\u00ean c\u00f3 \u00fd ngh\u0129a (v\u00ed d\u1ee5: \/images\/products\/ thay v\u00ec \/img\/) c\u00f3 th\u1ec3 gi\u00fap c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm hi\u1ec3u ng\u1eef c\u1ea3nh c\u1ee7a h\u00ecnh \u1ea3nh t\u1ed1t h\u01a1n.<\/p>\n

                            4. Ch\u00fa Th\u00edch V\u00e0 V\u0103n B\u1ea3n Xung Quanh<\/h3>\n

                            Google kh\u00f4ng ch\u1ec9 xem x\u00e9t alt text m\u00e0 c\u00f2n ph\u00e2n t\u00edch v\u0103n b\u1ea3n xung quanh h\u00ecnh \u1ea3nh \u0111\u1ec3 hi\u1ec3u ng\u1eef c\u1ea3nh. \u0110\u1ea3m b\u1ea3o r\u1eb1ng n\u1ed9i dung xung quanh h\u00ecnh \u1ea3nh c\u1ee7a b\u1ea1n li\u00ean quan v\u00e0 b\u1ed5 sung cho h\u00ecnh \u1ea3nh.<\/p>\n

                            Nghi\u00ean C\u1ee9u T\u00ecnh Hu\u1ed1ng: Hi\u1ec7u Qu\u1ea3 C\u1ee7a Alt Text Trong SEO H\u00ecnh \u1ea2nh<\/h2>\n

                            T\u00ecnh Hu\u1ed1ng 1: Trang Th\u01b0\u01a1ng M\u1ea1i \u0110i\u1ec7n T\u1eed<\/h3>\n

                            M\u1ed9t trang th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed b\u00e1n \u0111\u1ed3 th\u1ec3 thao \u0111\u00e3 th\u1ef1c hi\u1ec7n vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a alt text cho t\u1ea5t c\u1ea3 h\u00ecnh \u1ea3nh s\u1ea3n ph\u1ea9m. Sau 3 th\u00e1ng, h\u1ecd ghi nh\u1eadn:<\/p>\n

                              \n
                                \n
                              • L\u01b0u l\u01b0\u1ee3ng t\u1eeb t\u00ecm ki\u1ebfm h\u00ecnh \u1ea3nh t\u0103ng 34%<\/li>\n<\/ul>\n
                                  \n
                                • Th\u1eddi gian ng\u01b0\u1eddi d\u00f9ng \u1edf l\u1ea1i trang t\u0103ng 15%<\/li>\n<\/ul>\n
                                    \n
                                  • T\u1ef7 l\u1ec7 chuy\u1ec3n \u0111\u1ed5i t\u1eeb ng\u01b0\u1eddi d\u00f9ng \u0111\u1ebfn t\u1eeb t\u00ecm ki\u1ebfm h\u00ecnh \u1ea3nh t\u0103ng 22%<\/li>\n<\/ul>\n<\/ul>\n

                                    T\u00ecnh Hu\u1ed1ng 2: Trang Blog Du L\u1ecbch<\/h3>\n

                                    M\u1ed9t blogger du l\u1ecbch \u0111\u00e3 c\u1ea3i thi\u1ec7n alt text cho t\u1ea5t c\u1ea3 h\u00ecnh \u1ea3nh trong b\u00e0i vi\u1ebft c\u1ee7a m\u00ecnh, t\u1eadp trung v\u00e0o vi\u1ec7c m\u00f4 t\u1ea3 ch\u00ednh x\u00e1c \u0111\u1ecba \u0111i\u1ec3m, c\u1ea3nh quan v\u00e0 tr\u1ea3i nghi\u1ec7m. K\u1ebft qu\u1ea3 sau 6 th\u00e1ng:<\/p>\n

                                      \n
                                        \n
                                      • X\u1ebfp h\u1ea1ng cho c\u00e1c t\u1eeb kh\u00f3a li\u00ean quan \u0111\u1ebfn h\u00ecnh \u1ea3nh t\u0103ng trung b\u00ecnh 14 v\u1ecb tr\u00ed<\/li>\n<\/ul>\n
                                          \n
                                        • L\u01b0\u1ee3t hi\u1ec3n th\u1ecb trong t\u00ecm ki\u1ebfm h\u00ecnh \u1ea3nh t\u0103ng 78%<\/li>\n<\/ul>\n
                                            \n
                                          • Th\u1eddi gian t\u1ea3i trang gi\u1ea3m 23% (do t\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh \u0111\u1ed3ng th\u1eddi v\u1edbi c\u1ea3i thi\u1ec7n alt text)<\/li>\n<\/ul>\n<\/ul>\n

                                            Conclude<\/h2>\n

                                            Alt text kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 k\u1ef9 thu\u1eadt nh\u1ecf trong SEO h\u00ecnh \u1ea3nh m\u00e0 c\u00f2n l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd gi\u00fap c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn, tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng v\u00e0 th\u1ee9 h\u1ea1ng t\u00ecm ki\u1ebfm c\u1ee7a trang web. B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 c\u00e1c nguy\u00ean t\u1eafc vi\u1ebft alt text hi\u1ec7u qu\u1ea3 – m\u00f4 t\u1ea3 ch\u00ednh x\u00e1c, ng\u1eafn g\u1ecdn, s\u1eed d\u1ee5ng t\u1eeb kh\u00f3a m\u1ed9t c\u00e1ch t\u1ef1 nhi\u00ean – b\u1ea1n c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng t\u1ed1i \u0111a ti\u1ec1m n\u0103ng c\u1ee7a h\u00ecnh \u1ea3nh trong chi\u1ebfn l\u01b0\u1ee3c SEO t\u1ed5ng th\u1ec3.<\/p>\n

                                            H\u00e3y nh\u1edb r\u1eb1ng, SEO h\u00ecnh \u1ea3nh kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t n\u1ed7 l\u1ef1c m\u1ed9t l\u1ea7n m\u00e0 l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh li\u00ean t\u1ee5c. Th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra v\u00e0 c\u1eadp nh\u1eadt alt text, k\u1ebft h\u1ee3p v\u1edbi c\u00e1c y\u1ebfu t\u1ed1 t\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh kh\u00e1c, s\u1ebd gi\u00fap trang web c\u1ee7a b\u1ea1n duy tr\u00ec l\u1ee3i th\u1ebf c\u1ea1nh tranh trong k\u1ebft qu\u1ea3 t\u00ecm ki\u1ebfm.<\/p>\n

                                            Cu\u1ed1i c\u00f9ng, alt text l\u00e0 n\u01a1i m\u00e0 SEO t\u1ed1t v\u00e0 kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn web g\u1eb7p nhau – khi b\u1ea1n t\u1ed1i \u01b0u h\u00f3a alt text, b\u1ea1n kh\u00f4ng ch\u1ec9 c\u1ea3i thi\u1ec7n th\u1ee9 h\u1ea1ng t\u00ecm ki\u1ebfm m\u00e0 c\u00f2n l\u00e0m cho web tr\u1edf n\u00ean h\u00f2a nh\u1eadp h\u01a1n cho t\u1ea5t c\u1ea3 ng\u01b0\u1eddi d\u00f9ng, b\u1ea5t k\u1ec3 kh\u1ea3 n\u0103ng c\u1ee7a h\u1ecd.<\/p>\n<\/article>","protected":false},"excerpt":{"rendered":"

                                            Trong th\u1ebf gi\u1edbi SEO ng\u00e0y c\u00e0ng c\u1ea1nh tranh, m\u1ed7i y\u1ebfu t\u1ed1 \u0111\u1ec1u c\u00f3 th\u1ec3 t\u1ea1o n\u00ean s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 cho th\u1ee9 h\u1ea1ng trang web c\u1ee7a b\u1ea1n. M\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 th\u01b0\u1eddng b\u1ecb b\u1ecf qua nh\u01b0ng l\u1ea1i c\u1ef1c k\u1ef3 quan tr\u1ecdng ch\u00ednh l\u00e0 t\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh, \u0111\u1eb7c bi\u1ec7t l\u00e0 vi\u1ec7c s\u1eed […]<\/p>","protected":false},"author":0,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-63111","post","type-post","status-publish","format-standard","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/jaybranding.com\/en\/wp-json\/wp\/v2\/posts\/63111","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jaybranding.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jaybranding.com\/en\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/jaybranding.com\/en\/wp-json\/wp\/v2\/comments?post=63111"}],"version-history":[{"count":0,"href":"https:\/\/jaybranding.com\/en\/wp-json\/wp\/v2\/posts\/63111\/revisions"}],"wp:attachment":[{"href":"https:\/\/jaybranding.com\/en\/wp-json\/wp\/v2\/media?parent=63111"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jaybranding.com\/en\/wp-json\/wp\/v2\/categories?post=63111"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jaybranding.com\/en\/wp-json\/wp\/v2\/tags?post=63111"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}