{"id":294723,"date":"2023-12-12T09:37:41","date_gmt":"2023-12-12T02:37:41","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=294723"},"modified":"2023-12-12T09:38:39","modified_gmt":"2023-12-12T02:38:39","slug":"alt-la-gi","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/alt-la-gi\/","title":{"rendered":"Th\u1ebb Alt l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn t\u1ed1i \u01b0u th\u1ebb Alt chu\u1ea9n SEO"},"content":{"rendered":"

V\u1edbi nh\u1eefng ng\u01b0\u1eddi l\u00e0m SEO, t\u1ed1i \u01b0u th\u1ebb Alt l\u00e0 nhi\u1ec7m v\u1ee5 kh\u00f4ng th\u1ec3 thi\u1ebfu trong qu\u00e1 tr\u00ecnh t\u1ed1i \u01b0u h\u00ecnh \u1ea3nh c\u0169ng nh\u01b0 b\u00e0i vi\u1ebft. Do \u0111\u00f3 vi\u1ec7c hi\u1ec3u r\u00f5 <\/span>Alt l\u00e0 g\u00ec<\/b> c\u0169ng nh\u01b0 c\u00e1ch t\u1ed1i \u01b0u th\u1ebb Alt l\u00e0 v\u00f4 c\u00f9ng c\u1ea7n thi\u1ebft v\u00e0 quan tr\u1ecdng, g\u00f3p ph\u1ea7n n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a b\u00e0i SEO v\u00e0 \u0111\u1ea1t th\u1ee9 h\u1ea1ng cao tr\u00ean c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm.<\/span><\/p>\n

B\u00e0i vi\u1ebft h\u00f4m nay, Ho\u00e0ng H\u00e0 Mobile s\u1ebd chia s\u1ebb \u0111\u1ebfn b\u1ea1n nh\u1eefng th\u00f4ng tin h\u1eefu \u00edch v\u1ec1 th\u1ebb Alt v\u00e0 c\u00e1ch t\u1ed1i \u01b0u th\u1ebb Alt.<\/span><\/p>\n

Th\u1ebb Alt l\u00e0 g\u00ec?<\/b><\/h2>\n

Th\u1ebb Alt l\u00e0 t\u1eeb vi\u1ebft t\u1eaft c\u1ee7a c\u1ee5m Alternative information, ngh\u0129a l\u00e0 th\u00f4ng tin thay th\u1ebf hay \u0111o\u1ea1n v\u0103n b\u1ea3n m\u00f4 t\u1ea3 n\u1ed9i dung h\u00ecnh \u1ea3nh \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb m\u1ed9t c\u00e1ch ng\u1eafn g\u1ecdn. Th\u1ebb Alt c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi v\u1edbi nh\u1eefng c\u00e1i t\u00ean kh\u00e1c nh\u01b0 thu\u1ed9c t\u00ednh Alt, Alt Tag, th\u1ebb m\u00f4 t\u1ea3 h\u00ecnh \u1ea3nh.<\/span><\/p>\n

G\u1eafn th\u1ebb alt v\u00e0o HTML gi\u00fap c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm Google hi\u1ec3u r\u00f5 v\u1ec1 h\u00ecnh \u1ea3nh hi\u1ec3n th\u1ecb \u0111ang \u0111\u1ec1 c\u1eadp \u0111\u1ebfn n\u1ed9i dung g\u00ec. Khi \u0111\u00f3, Google s\u1ebd tr\u1ea3 v\u1ec1 nh\u1eefng k\u1ebft qu\u1ea3 c\u00f3 t\u00ednh chu\u1ea9n x\u00e1c cao h\u01a1n cho ng\u01b0\u1eddi \u0111\u1ecdc.<\/span><\/p>\n

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B\u00ean c\u1ea1nh \u0111\u00f3, trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p h\u00ecnh \u1ea3nh kh\u00f4ng th\u1ec3 hi\u1ec3n th\u1ecb tr\u1ecdn v\u1eb9n do b\u1ecb l\u1ed7i hay \u0111\u01b0\u1eddng truy\u1ec1n k\u00e9m \u1ed5n \u0111\u1ecbnh, th\u1ebb Alt s\u1ebd l\u00e0 c\u00e1ch th\u1ee9c thay th\u1ebf cho n\u1ed9i dung h\u00ecnh \u1ea3nh m\u1ed9t c\u00e1ch nhanh nh\u1ea5t. Th\u00f4ng qua \u0111\u00f3, ng\u01b0\u1eddi \u0111\u1ecdc v\u1eabn s\u1ebd nh\u1eadn bi\u1ebft \u0111\u01b0\u1ee3c h\u00ecnh \u1ea3nh \u0111ang th\u1ec3 hi\u1ec7n v\u1ea5n \u0111\u1ec1 g\u00ec. Ch\u00ednh v\u00ec v\u1eady, th\u1ebb Alt \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh SEO.<\/span><\/p>\n

Vi\u1ec7c hi\u1ec3u r\u00f5 Alt l\u00e0 g\u00ec s\u1ebd gi\u00fap b\u1ea1n bi\u1ebft \u0111\u01b0\u1ee3c ph\u1ea7n n\u00e0o t\u1ea7m quan tr\u1ecdng c\u1ee7a th\u1ebb n\u00e0y c\u0169ng nh\u01b0 nhu c\u1ea7u c\u1ea7n t\u1ed1i \u01b0u \u0111\u1ec3 n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng, hi\u1ec7u qu\u1ea3 h\u00ecnh \u1ea3nh c\u0169ng nh\u01b0 t\u1ed5ng th\u1ec3 b\u00e0i vi\u1ebft.<\/span><\/p>\n

Th\u1ebb Alt v\u00e0 ti\u00eau \u0111\u1ec1 h\u00ecnh \u1ea3nh gi\u1ed1ng hay kh\u00e1c nhau?<\/b><\/h2>\n

Nhi\u1ec1u ng\u01b0\u1eddi th\u01b0\u1eddng nh\u1ea7m l\u1eabn th\u1ebb Alt v\u00e0 ti\u00eau \u0111\u1ec1 h\u00ecnh \u1ea3nh \u2013 Title Image l\u00e0 gi\u1ed1ng nhau. Tuy nhi\u00ean, c\u1ea3 hai l\u00e0 nh\u1eefng th\u00e0nh ph\u1ea7n kh\u00e1c nhau, \u0111\u01b0\u1ee3c b\u1ed5 sung v\u00e0o theo hai c\u00e1ch kh\u00e1c nhau.<\/span><\/p>\n

Title Image hay Title \u1ea3nh l\u00e0 th\u00f4ng tin ng\u1eafn g\u1ecdn nh\u1eb1m b\u1ed5 sung cho h\u00ecnh \u1ea3nh hi\u1ec3n th\u1ecb. Khi h\u00ecnh \u1ea3nh g\u1eb7p l\u1ed7i kh\u00f4ng th\u1ec3 hi\u1ec3n th\u1ecb th\u00ec title \u1ea3nh s\u1ebd kh\u00f4ng \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb nh\u01b0 th\u1ebb Alt \u1ea3nh. Trong khi \u0111\u00f3, khi h\u00ecnh \u1ea3nh kh\u00f4ng hi\u1ec3n th\u1ecb, b\u1ea1n v\u1eabn s\u1ebd th\u1ea5y \u0111\u01b0\u1ee3c thu\u1ed9c t\u00ednh Alt khi di chuy\u1ec3n con tr\u1ecf chu\u1ed9t l\u00ean tr\u00ean h\u00ecnh \u1ea3nh.<\/span><\/p>\n

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M\u1eb7c d\u00f9 c\u1ea3 hai l\u00e0 nh\u1eefng th\u00e0nh ph\u1ea7n kh\u00e1c nhau nh\u01b0ng \u0111\u1ec1u \u0111\u00f3ng nh\u1eefng vai tr\u00f2 nh\u1ea5t \u0111\u1ecbnh trong t\u1ed1i \u01b0u h\u00ecnh \u1ea3nh c\u1ee7a b\u00e0i vi\u1ebft. V\u00ec v\u1eady, b\u1ea1n c\u1ea7n hi\u1ec3u r\u00f5 c\u1ea3 hai thu\u1ed9c t\u00ednh v\u00e0 th\u00e0nh ph\u1ea7n n\u00e0y \u0111\u1ec3 kh\u00f4ng c\u00f2n ph\u1ea3i b\u0103n kho\u0103n khi th\u00eam thu\u1ed9c t\u00ednh Alt v\u00e0 ti\u00eau \u0111\u1ec1 cho h\u00ecnh \u1ea3nh trong b\u00e0i.<\/span><\/p>\n

Trong ho\u1ea1t \u0111\u1ed9ng SEO, th\u1ebb Alt \u1ea3nh \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 v\u1ec1 t\u00ednh hi\u1ec7u qu\u1ea3 v\u00e0 t\u1ed1i \u01b0u Onpage h\u01a1n khi so v\u1edbi Title \u1ea3nh. Do \u0111\u00f3, khi \u0111\u00e3 bi\u1ebft \u0111\u01b0\u1ee3c Alt l\u00e0 g\u00ec v\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t v\u1edbi ti\u00eau \u0111\u1ec1 h\u00ecnh \u1ea3nh th\u00ec b\u1ea1n n\u00ean quan t\u00e2m v\u00e0 ch\u00fa \u00fd \u0111\u1ebfn nh\u1eb1m c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng b\u00e0i vi\u1ebft SEO c\u1ee7a m\u00ecnh.<\/span><\/p>\n

Vai tr\u00f2 c\u1ee7a th\u1ebb Alt trong SEO<\/b><\/h2>\n

Th\u00f4ng qua kh\u00e1i ni\u1ec7m, \u0111\u1ecbnh ngh\u0129a th\u1ebb Alt l\u00e0 g\u00ec, ch\u00fang ta c\u0169ng s\u1ebd bi\u1ebft \u0111\u01b0\u1ee3c vai tr\u00f2 c\u1ee7a thu\u1ed9c t\u00ednh n\u00e0y \u0111\u1ed1i v\u1edbi vi\u1ec7c t\u1ed1i \u01b0u h\u00ecnh \u1ea3nh v\u00e0 n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng, hi\u1ec7u qu\u1ea3 b\u00e0i vi\u1ebft. Tuy nhi\u00ean, \u0111\u1ec3 n\u1eafm r\u00f5 h\u01a1n t\u1ea7m quan tr\u1ecdng c\u1ee7a Alt Tag, d\u01b0\u1edbi \u0111\u00e2y l\u00e0 vai tr\u00f2 c\u1ee5 th\u1ec3 m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o:<\/span><\/p>\n

T\u0103ng tr\u1ea3i nghi\u1ec7m cho ng\u01b0\u1eddi \u0111\u1ecdc<\/span><\/h3>\n

Nh\u01b0 chia s\u1ebb \u1edf tr\u00ean, vi\u1ec7c th\u00eam thu\u1ed9c t\u00ednh Alt s\u1ebd gi\u00fap b\u1ea1n \u0111\u1ecdc hi\u1ec3u r\u00f5 h\u01a1n h\u00ecnh \u1ea3nh hi\u1ec3n th\u1ecb n\u00f3i \u0111\u1ebfn v\u1ea5n \u0111\u1ec1 g\u00ec ngay c\u1ea3 khi n\u00f3 kh\u00f4ng hi\u1ec3n th\u1ecb v\u00ec m\u1ed9t l\u00fd do n\u00e0o \u0111\u00f3. \u0110i\u1ec1u n\u00e0y s\u1ebd mang \u0111\u1ebfn ng\u01b0\u1eddi \u0111\u1ecdc nh\u1eefng tr\u1ea3i nghi\u1ec7m t\u1ed1t h\u01a1n, kh\u1eafc ph\u1ee5c nh\u1eefng s\u1ef1 c\u1ed1 hay v\u1ea5n \u0111\u1ec1 trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm th\u00f4ng tin.<\/span><\/p>\n

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B\u00ean c\u1ea1nh \u0111\u00f3, th\u1ebb Alt c\u0169ng \u0111\u00f3ng vai tr\u00f2 h\u1eefu \u00edch \u0111\u1ed1i v\u1edbi b\u1ea1n \u0111\u1ecdc khi\u1ebfm th\u1ecb. D\u00f9 kh\u00f4ng th\u1ec3 nh\u1eadn d\u1ea1ng h\u00ecnh \u1ea3nh m\u1ed9t c\u00e1ch tr\u1ef1c quan, h\u1ecdc v\u1eabn c\u00f3 th\u1ec3 n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c n\u1ed9i dung m\u00e0 h\u00ecnh \u1ea3nh mu\u1ed1n truy\u1ec1n t\u1ea3i.<\/span><\/p>\n

Ngo\u00e0i ra, th\u1ebb Alt s\u1ebd gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c nh\u1eefng tr\u00ecnh duy\u1ec7t ch\u1eb7n hi\u1ec3n th\u1ecb h\u00ecnh \u1ea3nh hay tr\u00ecnh \u0111\u1ecdc v\u1edbi m\u00e0n h\u00ecnh.\u00a0<\/span><\/p>\n

Th\u1ee9 h\u1ea1ng cao trong Google Images<\/span><\/h3>\n

Khi b\u1ea1n th\u00eam \u0111\u1ea7y \u0111\u1ee7 th\u1ebb Alt cho h\u00ecnh \u1ea3nh trong b\u00e0i vi\u1ebft c\u1ee7a m\u00ecnh, nh\u1eefng h\u00ecnh \u1ea3nh n\u00e0y s\u1ebd c\u00f3 l\u1ee3i th\u1ebf h\u01a1n v\u1ec1 th\u1ee9 h\u1ea1ng trong Google Images. T\u1eeb \u0111\u00f3, website c\u1ee7a b\u1ea1n s\u1ebd thu \u0111\u01b0\u1ee3c m\u1ed9t l\u01b0\u1ee3ng truy c\u1eadp – traffic t\u1ef1 nhi\u00ean th\u00f4ng qua Google Images. Nh\u01b0 v\u1eady, hi\u1ec3u \u0111\u01b0\u1ee3c Alt l\u00e0 g\u00ec v\u00e0 bi\u1ebft c\u00e1ch t\u1ed1i \u01b0u thu\u1ed9c t\u00ednh n\u00e0y s\u1ebd gi\u00fap ho\u1ea1t \u0111\u1ed9ng SEO c\u1ee7a b\u1ea1n hi\u1ec7u qu\u1ea3 h\u01a1n.<\/span><\/p>\n

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Google kh\u00f4ng th\u1ec3 n\u1eafm r\u00f5 v\u1ec1 n\u1ed9i dung c\u1ee7a h\u00ecnh \u1ea3nh nh\u01b0ng v\u1ec1 c\u01a1 b\u1ea3n v\u1eabn s\u1ebd \u0111\u00e1nh gi\u00e1 \u0111\u01b0\u1ee3c m\u00e0u s\u1eafc, b\u1ed1 c\u1ee5c, ch\u1ea5t l\u01b0\u1ee3ng c\u0169ng. Tuy nhi\u00ean, \u0111\u1ec3 Google \u0111\u1ecdc ch\u00ednh x\u00e1c h\u01a1n, ch\u00fang ta ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng thu\u1ed9c t\u00ednh Alt. \u0110\u00e2y c\u0169ng l\u00e0 m\u1ed9t c\u00e1ch \u0111\u1ec3 t\u1eadn d\u1ee5ng th\u1ebb Alt \u1ea3nh nh\u1eb1m th\u00eam t\u1eeb kh\u00f3a m\u1ee5c ti\u00eau cho b\u00e0i vi\u1ebft SEO c\u1ee7a m\u00ecnh.<\/span><\/p>\n

T\u1eeb \u0111\u00f3, Google s\u1ebd \u0111\u00e1nh gi\u00e1 v\u1ec1 m\u1ee9c \u0111\u1ed9 li\u00ean quan \u0111\u1ebfn t\u1eeb kh\u00f3a m\u00e0 ng\u01b0\u1eddi d\u00f9ng m\u1ea1ng t\u00ecm ki\u1ebfm \u0111\u1ec3 \u0111\u1ec1 xu\u1ea5t hi\u1ec3n th\u1ecb theo th\u1ee9 h\u1ea1ng nh\u1ea5t \u0111\u1ecbnh. Khi n\u1ed9i dung th\u1ebb Alt c\u1ee7a h\u00ecnh \u1ea3nh tr\u00f9ng v\u1edbi n\u1ed9i dung t\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm tr\u00ean Google Images c\u1ee7a ng\u01b0\u1eddi d\u00f9ng m\u1ea1ng th\u00ec h\u00ecnh \u1ea3nh c\u1ee7a b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb \u0111\u1ea7u ti\u00ean.<\/span><\/p>\n

Nh\u1eefng l\u01b0u \u00fd khi s\u1eed d\u1ee5ng th\u1ebb Alt<\/b><\/h2>\n

M\u1eb7c d\u00f9 \u0111\u00e3 bi\u1ebft \u0111\u01b0\u1ee3c Alt l\u00e0 g\u00ec v\u00e0 vai tr\u00f2 c\u1ee7a n\u00f3 trong ho\u1ea1t \u0111\u1ed9ng SEO nh\u01b0ng kh\u00f4ng ph\u1ea3i ai c\u0169ng c\u00f3 th\u1ec3 vi\u1ebft \u0111\u01b0\u1ee3c n\u1ed9i dung th\u1ebb Alt t\u1ed1t v\u00e0 nh\u1eefng y\u00eau c\u1ea7u, l\u01b0u khi khi d\u00f9ng thu\u1ed9c t\u00ednh Alt.\u00a0<\/span><\/p>\n

Th\u1ee9 nh\u1ea5t, Alt Tag c\u1ea7n ph\u1ea3i m\u00f4 t\u1ea3 c\u1ee5 th\u1ec3 h\u00ecnh \u1ea3nh \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb th\u1ec3 hi\u1ec7n n\u1ed9i dung, v\u1ea5n \u0111\u1ec1 g\u00ec. B\u1edfi l\u1ebd, m\u1ee5c ti\u00eau khi th\u00eam thu\u1ed9c t\u00ednh n\u00e0y v\u00e0o \u0111\u00f3 l\u00e0 l\u00e0m r\u00f5 v\u00e0 thay th\u1ebf c\u0169ng nh\u01b0 truy\u1ec1n t\u1ea3i th\u00f4ng tin, \u0111\u1eb7c bi\u1ec7t trong tr\u01b0\u1eddng h\u1ee3p h\u00ecnh \u1ea3nh g\u1eb7p l\u1ed7i kh\u00f4ng hi\u1ec3n th\u1ecb. Do \u0111\u00f3, c\u1ea7n ph\u1ea3i s\u1eed d\u1ee5ng th\u1ebb Alt m\u00f4 t\u1ea3 r\u00f5 r\u00e0ng, c\u00f3 th\u00f4ng tin li\u00ean quan hay bao g\u1ed3m c\u1ea3 t\u1eeb kh\u00f3a ch\u00ednh \u0111\u1ec3 Google Images c\u00f3 th\u1ec3 nh\u1eadn di\u1ec7n nhanh ch\u00f3ng v\u00e0 chu\u1ea9n x\u00e1c.<\/span><\/p>\n

\"alt-la-gi-2\"<\/picture><\/p>\n

Th\u1ee9 hai, th\u1ebb Alt c\u1ea7n \u0111\u00e1p \u1ee9ng t\u00ednh ng\u1eafn g\u1ecdn. M\u1eb7c d\u00f9 ph\u1ea3i r\u00f5 r\u00e0ng v\u00e0 m\u00f4 t\u1ea3 c\u1ee5 th\u1ec3 n\u1ed9i dung, th\u00f4ng tin c\u1ee7a h\u00ecnh \u1ea3nh nh\u01b0ng c\u0169ng c\u1ea7n ph\u1ea3i g\u1ecdn g\u00e0ng v\u00e0 kh\u00f4ng qu\u00e1 d\u00e0i. Khi vi\u1ebft th\u1ebb Alt d\u00e0i, Google Images \u0111\u00f4i khi s\u1ebd kh\u00f3 nh\u1eadn di\u1ec7n \u0111\u1ea7y \u0111\u1ee7 th\u00f4ng tin \u0111\u00f3.<\/span><\/p>\n

Th\u1ee9 ba, c\u1ea7n s\u1eed d\u1ee5ng t\u1eeb kh\u00f3a ch\u00e8n v\u00e0o nh\u01b0ng kh\u00f4ng n\u00ean qu\u00e1 l\u00e0m d\u1ee5ng. Vi\u1ec7c ch\u00e8n t\u1eeb kh\u00f3a ch\u00ednh c\u0169ng l\u00e0 c\u00e1ch \u0111\u1ec3 c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm \u0111\u00e1nh gi\u00e1, nh\u1eadn di\u1ec7n t\u00ednh li\u00ean quan. Tuy nhi\u00ean, khi l\u00e0m d\u1ee5ng v\u00e0 ch\u00e8n qu\u00e1 nhi\u1ec1u t\u1eeb kh\u00f3a trong th\u1ebb Alt c\u0169ng kh\u00f4ng n\u00ean v\u00ec \u0111\u00f4i khi l\u1ea1i g\u00e2y ph\u1ea3n t\u00e1c d\u1ee5ng khi Google s\u1ebd \u0111\u00e1nh gi\u00e1 spam.<\/span><\/p>\n

Nh\u01b0 v\u1eady, vi\u1ec7c s\u1eed d\u1ee5ng th\u1ebb Alt v\u00e0 n\u1ed9i dung c\u1ee7a th\u1ebb nh\u01b0 th\u1ebf n\u00e0o l\u00e0 r\u1ea5t quan tr\u1ecdng. H\u00e3y ch\u00fa \u00fd \u0111\u1ec3 Alt Tag g\u00f3p ph\u1ea7n t\u0103ng c\u01b0\u1eddng hi\u1ec7u qu\u1ea3, ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a ch\u00ednh h\u00ecnh \u1ea3nh v\u00e0 b\u00e0i vi\u1ebft tr\u00ean website c\u1ee7a m\u00ecnh.<\/span><\/p>\n

H\u01b0\u1edbng d\u1eabn c\u00e1ch t\u1ed1i \u01b0u th\u1ebb Alt chu\u1ea9n SEO chi ti\u1ebft, \u0111\u1ea7y \u0111\u1ee7<\/b><\/h2>\n

Sau khi chia s\u1ebb kh\u00e1i ni\u1ec7m th\u1ebb Alt l\u00e0 g\u00ec v\u00e0 vai tr\u00f2 c\u1ee7a n\u00f3, ti\u1ebfp sau \u0111\u00e2y, Ho\u00e0ng H\u00e0 Mobile s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ed1i \u01b0u th\u1ebb Alt chu\u1ea9n SEO:<\/span><\/p>\n

C\u1ea5u tr\u00fac chu\u1ea9n SEO c\u1ee7a th\u1ebb Alt\u00a0<\/span><\/h3>\n

C\u1ea5u tr\u00fac chung c\u01a1 b\u1ea3n c\u1ee7a th\u1ebb Alt l\u00e0: <img src=\u201durl\u201d alt=\u201dsome_text\u201d> v\u1edbi phi\u00ean b\u1ea3n Ti\u1ebfng Anh. V\u1edbi b\u1ea3n Ti\u1ebfng Vi\u1ec7t, c\u1ea5u tr\u00fac n\u00e0y l\u00e0: <img src=\u201dlink \u0111\u1ebfn file \u1ea3nh\u201d alt=\u201dn\u1ed9i dung m\u00f4 t\u1ea3\u201d \/>.<\/span><\/p>\n

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\u1ede ph\u1ea7n img src, b\u1ea1n c\u1ea7n th\u00eam \u0111\u01b0\u1eddng link li\u00ean k\u1ebft \u0111\u1ebfn h\u00ecnh \u1ea3nh \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb. Trong khi \u0111\u00f3, \u1edf ph\u1ea7n Alt, b\u1ea1n c\u00f3 th\u1ec3 th\u00eam n\u1ed9i dung th\u1ebb Alt th\u00edch h\u1ee3p mi\u1ec5n sao \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u Ho\u00e0ng H\u00e0 Mobile chia s\u1ebb \u1edf m\u1ee5c tr\u01b0\u1edbc.\u00a0<\/span><\/p>\n

C\u00e1ch vi\u1ebft Alt Tag cho h\u00ecnh \u1ea3nh<\/span><\/h3>\n

\u0110\u1ec3 vi\u1ebft th\u1ebb Alt cho h\u00ecnh \u1ea3nh hi\u1ec7n nay r\u1ea5t d\u1ec5 d\u00e0ng. Ph\u1ea7n l\u1edbn c\u00e1c trang website \u0111\u1ec1u \u0111\u00e3 t\u00edch h\u1ee3p s\u1eb5n m\u1ee5c \u0111\u1ec3 b\u1ea1n th\u00eam Alt Tag. B\u1ea1n ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 t\u1ef1 t\u00ecm t\u00f2i v\u00e0 th\u00eam \u0111\u01b0\u1ee3c ngay sau m\u1ed9t v\u00e0i l\u1ea7n.<\/span><\/p>\n

B\u1ea1n c\u00f3 th\u1ec3 truy c\u1eadp v\u00e0o m\u1ee5c h\u00ecnh \u1ea3nh c\u1ee7a website, sau \u0111\u00f3, ch\u1ecdn h\u00ecnh \u1ea3nh th\u00edch h\u1ee3p \u0111\u1ec3 b\u1eaft \u0111\u1ea7u. M\u1ed7i h\u00ecnh \u1ea3nh \u0111\u1ec1u bao g\u1ed3m th\u1ebb ti\u00eau \u0111\u1ec1, th\u1ebb m\u00f4 t\u1ea3 v\u00e0 th\u1ebb alt \u0111\u1ec3 b\u1ea1n d\u1ec5 d\u00e0ng \u0111i\u1ec1n v\u00e0o. Vi\u1ec7c b\u1ea1n c\u1ea7n l\u00e0m \u0111\u00f3 ch\u00ednh l\u00e0 vi\u1ebft n\u1ed9i dung c\u1ee7a c\u00e1c th\u1ebb n\u00e0y sao cho \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u.<\/span><\/p>\n

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Trong tr\u01b0\u1eddng h\u1ee3p trang website c\u1ee7a b\u1ea1n v\u1eabn ch\u01b0a c\u00f3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p m\u1ee5c Alt Tag, c\u00f4ng vi\u1ec7c th\u00eam th\u1ebb Alt \u1ea3nh s\u1ebd thu\u1ed9c v\u1ec1 c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean. Khi \u0111\u00f3, h\u1ecd s\u1ebd s\u1eed d\u1ee5ng c\u00e1c m\u00e3 code chu\u1ea9n c\u1ee7a th\u1ebb Alt theo c\u1ea5u tr\u00fac \u1edf tr\u00ean \u0111\u1ec3 th\u00eam v\u00e0o. Sau khi ch\u1ec9nh s\u1eeda ho\u00e0n t\u1ea5t v\u00e0 c\u1eadp nh\u1eadt l\u1ea1i h\u1ec7 th\u1ed1ng, m\u1ee5c Alt Tag s\u1ebd hi\u1ec3n th\u1ecb v\u00e0 b\u1ea1n \u0111\u00e3 c\u00f3 th\u1ec3 th\u00eam th\u1ebb Alt d\u1ec5 d\u00e0ng.<\/span><\/p>\n

H\u01b0\u1edbng d\u1eabn ki\u1ec3m tra h\u00ecnh \u1ea3nh \u0111\u00e3 c\u00f3 th\u1ebb Alt hay ch\u01b0a<\/span><\/h3>\n

C\u00f3 nhi\u1ec1u c\u00e1ch kh\u00e1c nhau \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra xem h\u00ecnh \u1ea3nh tr\u00ean b\u00e0i vi\u1ebft c\u1ee7a b\u1ea1n \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam th\u1ebb Alt hay ch\u01b0a. B\u1ea1n c\u00f3 th\u1ec3 c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m ri\u00eang ho\u1eb7c s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 ki\u1ec3m tra website.\u00a0<\/span><\/p>\n

\u0110\u1ed1i v\u1edbi c\u00e1c ph\u1ea7n m\u1ec1m, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng Web Developer. Ti\u1ebfn h\u00e0nh c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m cho m\u00e1y t\u00ednh v\u00e0 kh\u1edfi \u0111\u1ed9ng l\u00ean. Sau \u0111\u00f3, b\u1ea1n m\u1edf website c\u1ea7n ki\u1ec3m tra v\u00e0 nh\u1ea5n ch\u1ecdn Display Alt Attributes \u1edf m\u1ee5c Images. L\u00fac n\u00e0y, ph\u1ea7n m\u1ec1m s\u1ebd tr\u1ea3 v\u1ec1 cho b\u1ea1n k\u1ebft qu\u1ea3 r\u1ea5t nhanh ch\u00f3ng.<\/span><\/p>\n

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B\u00ean c\u1ea1nh \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng Seoquake h\u1ed7 tr\u1ee3. Truy c\u1eadp v\u00e0o \u0111\u01b0\u1eddng d\u1eabn sau \u0111\u00e2y: http:\/\/www.feedthebot.com\/tools\/alt\/<\/strong> v\u00e0 k\u1ebft qu\u1ea3 s\u1ebd hi\u1ec3n th\u1ecb c\u00e1c th\u00f4ng b\u00e1o nh\u1eefng h\u00ecnh \u1ea3nh \u0111\u00e3 ch\u1ee9a th\u1ebb alt v\u00e0 nh\u1eefng h\u00ecnh \u1ea3nh ch\u01b0a c\u00f3. Ti\u1ebfp sau \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng Seoquake \u0111\u1ec3 ch\u1ec9nh s\u1eeda, b\u1ed5 sung Alt Tag cho h\u00ecnh \u1ea3nh.<\/span><\/p>\n

C\u00e1c y\u00eau c\u1ea7u chu\u1ea9n SEO c\u1ee7a th\u1ebb Alt l\u00e0 g\u00ec?<\/span><\/h3>\n

C\u00f3 m\u1ed9t s\u1ed1 nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n m\u00e0 b\u1ea1n c\u1ea7n l\u01b0u \u00fd \u0111\u1ec3 t\u1ed1i \u01b0u chu\u1ea9n SEO cho thu\u1ed9c t\u00ednh Alt. Nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y bao g\u1ed3m \u0111\u1ed9 d\u00e0i Alt Text, t\u1eeb kh\u00f3a ch\u00ednh, m\u1ee9c \u0111\u1ed9 bao ph\u1ee7 t\u1eeb kh\u00f3a, ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh. \u0110i\u1ec1u n\u00e0y s\u1ebd gi\u00fap b\u00e0i vi\u1ebft hi\u1ec7u qu\u1ea3 h\u01a1n c\u0169ng nh\u01b0 c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm nh\u1eadn di\u1ec7n v\u00e0 \u0111\u00e1nh gi\u00e1 b\u00e0i vi\u1ebft chu\u1ea9n x\u00e1c h\u01a1n.<\/span><\/p>\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c y\u00eau c\u1ea7u d\u00e0nh cho b\u1ea1n tham kh\u1ea3o:<\/span><\/p>\n