{"id":45954,"date":"2025-09-07T06:41:07","date_gmt":"2025-09-07T06:41:07","guid":{"rendered":"https:\/\/staging.pageloot.com\/uncategorized\/how-to-make-qr-codes-ada-compliant\/"},"modified":"2026-04-22T13:14:09","modified_gmt":"2026-04-22T13:14:09","slug":"how-to-make-qr-codes-ada-compliant","status":"publish","type":"post","link":"https:\/\/pageloot.com\/vi\/blog\/how-to-make-qr-codes-ada-compliant\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn tri\u1ec3n khai m\u00e3 QR tu\u00e2n th\u1ee7 ADA"},"content":{"rendered":"<p class=\"wp-block-paragraph\">M\u00e3 QR c\u1ee7a b\u1ea1n c\u00f3 v\u00f4 t\u00ecnh t\u1ea1o ra r\u00e0o c\u1ea3n cho kh\u00e1ch h\u00e0ng khuy\u1ebft t\u1eadt kh\u00f4ng? Vi\u1ec7c kh\u00f4ng xem x\u00e9t kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c bi\u1ebfn ch\u1ee9ng ph\u00e1p l\u00fd v\u00e0 ng\u0103n c\u1ea3n m\u1ed9t ph\u1ea7n \u0111\u00e1ng k\u1ec3 \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ee7a b\u1ea1n t\u01b0\u01a1ng t\u00e1c v\u1edbi th\u01b0\u01a1ng hi\u1ec7u c\u1ee7a b\u1ea1n. H\u01b0\u1edbng d\u1eabn n\u00e0y gi\u1ea3i th\u00edch c\u00e1ch tri\u1ec3n khai m\u00e3 QR \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n ADA v\u00e0 cung c\u1ea5p tr\u1ea3i nghi\u1ec7m li\u1ec1n m\u1ea1ch cho m\u1ecdi ng\u01b0\u1eddi d\u00f9ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao c\u00e1c ti\u00eau chu\u1ea9n ti\u1ebfp c\u1eadn l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi m\u00e3 QR<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Theo \u0110i\u1ec1u III c\u1ee7a \u0110\u1ea1o lu\u1eadt Ng\u01b0\u1eddi M\u1ef9 Khuy\u1ebft t\u1eadt (ADA), c\u00e1c doanh nghi\u1ec7p ph\u1ee5c v\u1ee5 c\u00f4ng ch\u00fang ph\u1ea3i \u0111\u1ea3m b\u1ea3o quy\u1ec1n ti\u1ebfp c\u1eadn b\u00ecnh \u0111\u1eb3ng \u0111\u1ed1i v\u1edbi c\u00e1c d\u1ecbch v\u1ee5 c\u1ee7a h\u1ecd, bao g\u1ed3m c\u1ea3 n\u1ed9i dung k\u1ef9 thu\u1eadt s\u1ed1. M\u1eb7c d\u00f9 ADA kh\u00f4ng \u0111\u1ec1 c\u1eadp r\u00f5 r\u00e0ng \u0111\u1ebfn m\u00e3 QR trong v\u0103n b\u1ea3n g\u1ed1c, B\u1ed9 T\u01b0 ph\u00e1p th\u01b0\u1eddng xuy\u00ean tham chi\u1ebfu H\u01b0\u1edbng d\u1eabn Ti\u1ebfp c\u1eadn N\u1ed9i dung Web (WCAG) l\u00e0m ti\u00eau chu\u1ea9n \u0111\u1ec3 tu\u00e2n th\u1ee7.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nhi\u1ec1u doanh nghi\u1ec7p \u0111\u00e3 v\u00e0 \u0111ang \u00e1p d\u1ee5ng c\u00e1c ti\u00eau chu\u1ea9n n\u00e0y tr\u00ean <a href=\"https:\/\/pageloot.com\/vi\/blog\/top-industries-using-ada-compliant-qr-codes\/\">nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u00e3 QR tu\u00e2n th\u1ee7 ADA<\/a> \u0111\u1ec3 c\u1ea3i thi\u1ec7n ph\u1ea1m vi ti\u1ebfp c\u1eadn v\u00e0 gi\u1ea3m thi\u1ec3u tr\u00e1ch nhi\u1ec7m ph\u00e1p l\u00fd. B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n n\u00e0y, b\u1ea1n \u0111\u1ea3m b\u1ea3o r\u1eb1ng nh\u1eefng ng\u01b0\u1eddi c\u00f3 khi\u1ebfm khuy\u1ebft v\u1ec1 th\u1ecb gi\u00e1c, v\u1eadn \u0111\u1ed9ng ho\u1eb7c nh\u1eadn th\u1ee9c c\u00f3 th\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac v\u1eadt l\u00fd v\u00e0 k\u1ef9 thu\u1eadt s\u1ed1 c\u1ee7a b\u1ea1n m\u00e0 kh\u00f4ng g\u1eb7p kh\u00f3 kh\u0103n.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/03\/aspect-ratio-1-1-simple-square-infographic-on-a-white-background-about-ada-comp-6669-e579d9ffbb68.webp\" alt=\"Danh s\u00e1ch ki\u1ec3m tra QR tu\u00e2n th\u1ee7 ADA\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Thi\u1ebft k\u1ebf \u0111\u1ec3 c\u00f3 th\u1ec3 qu\u00e9t \u0111\u01b0\u1ee3c b\u1eb1ng m\u1eaft v\u00e0 k\u1ef9 thu\u1eadt s\u1ed1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn b\u1eb1ng th\u1ecb gi\u00e1c b\u1eaft \u0111\u1ea7u b\u1eb1ng \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n cao v\u00e0 k\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ecb l\u1ef1c k\u00e9m c\u00f3 th\u1ec3 nh\u1eadn di\u1ec7n v\u00e0 s\u1eed d\u1ee5ng m\u00e3. M\u00e1y qu\u00e9t v\u00e0 m\u1eaft ng\u01b0\u1eddi \u0111\u1ec1u d\u1ef1a v\u00e0o c\u00e1c c\u1ea1nh r\u00f5 r\u00e0ng \u0111\u1ec3 x\u1eed l\u00fd d\u1eef li\u1ec7u ch\u00ednh x\u00e1c, v\u00ec v\u1eady c\u00e1c l\u1ef1a ch\u1ecdn thi\u1ebft k\u1ebf c\u1ee7a b\u1ea1n ph\u1ea3i \u01b0u ti\u00ean s\u1ef1 r\u00f5 r\u00e0ng h\u01a1n t\u00ednh th\u1ea9m m\u1ef9.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>  Duy tr\u00ec \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n m\u00e0u cao b\u1eb1ng c\u00e1ch \u0111\u1eb7t m\u1ee5c ti\u00eau t\u1ef7 l\u1ec7 \u00edt nh\u1ea5t 4.5:1 gi\u1eefa m\u00e3 v\u00e0 n\u1ec1n c\u1ee7a n\u00f3. M\u00e0u \u0111en tr\u00ean n\u1ec1n tr\u1eafng ti\u00eau chu\u1ea9n l\u00e0 l\u1ef1a ch\u1ecdn \u0111\u00e1ng tin c\u1eady nh\u1ea5t, trong khi m\u00e0u s\u00e1ng ho\u1eb7c gradient c\u00f3 th\u1ec3 g\u00e2y nh\u1ea7m l\u1eabn cho m\u00e1y qu\u00e9t v\u00e0 ng\u01b0\u1eddi d\u00f9ng b\u1ecb m\u00f9 m\u00e0u.<\/li>\n<li>  Th\u1ef1c hi\u1ec7n theo <a href=\"https:\/\/pageloot.com\/vi\/blog\/qr-code-color-contrast-best-practices\/\">c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t v\u1ec1 \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n m\u00e0u c\u1ee7a m\u00e3 QR<\/a> \u0111\u1ec3 tr\u00e1nh nh\u1eefng l\u1ed7i ph\u1ed5 bi\u1ebfn nh\u01b0 m\u00e0u \u0111\u1ea3o ng\u01b0\u1ee3c m\u00e0 m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb c\u0169 kh\u00f4ng th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c.<\/li>\n<li>  \u0110\u1ea3m b\u1ea3o m\u00e3 c\u00f3 k\u00edch th\u01b0\u1edbc \u00edt nh\u1ea5t 0.8 x 0.8 inch \u0111\u1ec3 s\u1eed d\u1ee5ng \u1edf c\u1ef1 ly g\u1ea7n, ho\u1eb7c tu\u00e2n th\u1ee7 t\u1ef7 l\u1ec7 kho\u1ea3ng c\u00e1ch-k\u00edch th\u01b0\u1edbc 10:1 \u0111\u1ed1i v\u1edbi bi\u1ec3n b\u00e1o l\u1edbn h\u01a1n \u0111\u1ec3 ph\u1ee5c v\u1ee5 ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng th\u1ec3 ti\u1ebfp c\u1eadn m\u00e3 g\u1ea7n.<\/li>\n<li>  Gi\u1eef m\u1ed9t \u201cv\u00f9ng y\u00ean t\u0129nh\u201d ho\u1eb7c \u0111\u01b0\u1eddng vi\u1ec1n tr\u1eafng xung quanh m\u00e3 c\u00f3 chi\u1ec1u r\u1ed9ng \u00edt nh\u1ea5t g\u1ea5p b\u1ed1n l\u1ea7n chi\u1ec1u r\u1ed9ng c\u1ee7a m\u1ed9t m\u00f4-\u0111un duy nh\u1ea5t \u0111\u1ec3 gi\u00fap m\u00e1y qu\u00e9t t\u00e1ch bi\u1ec7t m\u1eabu kh\u1ecfi v\u0103n b\u1ea3n ho\u1eb7c \u0111\u1ed3 h\u1ecda xung quanh.<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o m\u00e3 c\u1ee7a b\u1ea1n v\u1eabn c\u00f3 th\u1ec3 qu\u00e9t \u0111\u01b0\u1ee3c trong khi v\u1eabn ph\u00f9 h\u1ee3p v\u1edbi th\u01b0\u01a1ng hi\u1ec7u c\u1ee7a b\u1ea1n, h\u00e3y s\u1eed d\u1ee5ng m\u1ed9t c\u00f4ng c\u1ee5 chuy\u00ean nghi\u1ec7p <a href=\"https:\/\/pageloot.com\/vi\/qr-code-generator\/\">tr\u00ecnh t\u1ea1o m\u00e3 QR<\/a> cung c\u1ea5p ph\u1ea3n h\u1ed3i theo th\u1eddi gian th\u1ef1c v\u1ec1 \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n v\u00e0 c\u00e1c l\u1ef1a ch\u1ecdn thi\u1ebft k\u1ebf.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">V\u1ecb tr\u00ed v\u1eadt l\u00fd v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1ecb tr\u00ed v\u1eadt l\u00fd c\u1ee7a m\u00e3 QR quy\u1ebft \u0111\u1ecbnh li\u1ec7u ng\u01b0\u1eddi d\u00f9ng xe l\u0103n ho\u1eb7c ng\u01b0\u1eddi c\u00f3 kh\u1ea3 n\u0103ng di chuy\u1ec3n h\u1ea1n ch\u1ebf c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn \u0111\u01b0\u1ee3c hay kh\u00f4ng. V\u1ecb tr\u00ed \u0111\u1eb7t m\u00e3 n\u00ean tr\u1ef1c quan v\u00e0 kh\u00f4ng b\u1ecb c\u1ea3n tr\u1edf b\u1edfi c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng nh\u01b0 \u00e1nh s\u00e1ng ch\u00f3i, v\u1ed1n c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t b\u1ee9c t\u01b0\u1eddng k\u1ef9 thu\u1eadt s\u1ed1.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>  \u0110\u1eb7t m\u00e3 QR \u1edf \u0111\u1ed9 cao t\u1eeb 3 \u0111\u1ebfn 5 feet so v\u1edbi m\u1eb7t \u0111\u1ea5t \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi c\u1ea3 ng\u01b0\u1eddi d\u00f9ng \u0111\u1ee9ng v\u00e0 ng\u01b0\u1eddi d\u00f9ng xe l\u0103n.<\/li>\n<li>  In m\u00e3 tr\u00ean c\u00e1c b\u1ec1 m\u1eb7t m\u1edd, kh\u00f4ng ph\u1ea3n chi\u1ebfu \u0111\u1ec3 ng\u0103n ch\u1eb7n \u00e1nh s\u00e1ng ch\u00f3i t\u1eeb \u0111\u00e8n chi\u1ebfu tr\u00ean cao, v\u1ed1n th\u01b0\u1eddng khi\u1ebfn c\u00e1c b\u1ea3n in b\u00f3ng lo\u00e1ng kh\u00f4ng th\u1ec3 qu\u00e9t \u0111\u01b0\u1ee3c \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi c\u00f3 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh tay h\u1ea1n ch\u1ebf.<\/li>\n<li>  Bao g\u1ed3m c\u00e1c ch\u1ec9 b\u00e1o x\u00fac gi\u00e1c ho\u1eb7c nh\u00e3n ch\u1eef Braille g\u1ea7n m\u00e3 \u0111\u1ec3 gi\u00fap ng\u01b0\u1eddi d\u00f9ng khi\u1ebfm th\u1ecb \u0111\u1ecbnh v\u1ecb khu v\u1ef1c qu\u00e9t b\u1eb1ng c\u00e1ch ch\u1ea1m.<\/li>\n<li>  Cung c\u1ea5p ng\u1eef c\u1ea3nh v\u00e0 h\u01b0\u1edbng d\u1eabn r\u00f5 r\u00e0ng b\u00ean c\u1ea1nh m\u00e3 \u0111\u1ec3 ng\u01b0\u1eddi d\u00f9ng bi\u1ebft ch\u00ednh x\u00e1c th\u00f4ng tin h\u1ecd s\u1ebd truy c\u1eadp khi qu\u00e9t.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Cung c\u1ea5p c\u00e1c \u0111\u01b0\u1eddng d\u1eabn thay th\u1ebf \u0111\u1ebfn n\u1ed9i dung<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e3 QR n\u00ean \u0111\u00f3ng vai tr\u00f2 l\u00e0 m\u1ed9t l\u1ed1i t\u1eaft ti\u1ec7n l\u1ee3i ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 c\u1ed5ng th\u00f4ng tin duy nh\u1ea5t. T\u00ednh d\u01b0 th\u1eeba l\u00e0 m\u1ed9t nguy\u00ean t\u1eafc c\u1ed1t l\u00f5i c\u1ee7a thi\u1ebft k\u1ebf h\u00f2a nh\u1eadp, \u0111\u1ea3m b\u1ea3o r\u1eb1ng ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng c\u00f3 \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh ho\u1eb7c nh\u1eefng ng\u01b0\u1eddi b\u1ecb suy gi\u1ea3m v\u1eadn \u0111\u1ed9ng nghi\u00eam tr\u1ecdng v\u1eabn c\u00f3 th\u1ec3 truy c\u1eadp d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n th\u00f4ng qua c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n kh\u00e1c.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>  In m\u1ed9t URL ng\u1eafn, d\u1ec5 g\u00f5 b\u00ean c\u1ea1nh m\u00e3 nh\u01b0 m\u1ed9t l\u1ef1a ch\u1ecdn thay th\u1ebf d\u1ef1a tr\u00ean v\u0103n b\u1ea3n cho nh\u1eefng ng\u01b0\u1eddi kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng m\u00e1y \u1ea3nh.<\/li>\n<li>  Kh\u00e1m ph\u00e1 <a href=\"https:\/\/pageloot.com\/vi\/blog\/how-voice-activated-qr-codes-enhance-accessibility\/\">m\u00e3 QR k\u00edch ho\u1ea1t b\u1eb1ng gi\u1ecdng n\u00f3i<\/a> \u0111\u1ec3 cung c\u1ea5p c\u00e1c chuy\u1ebfn tham quan c\u00f3 t\u01b0\u1eddng thu\u1eadt ho\u1eb7c m\u00f4 t\u1ea3 \u00e2m thanh cho ng\u01b0\u1eddi d\u00f9ng khi\u1ebfm th\u1ecb.<\/li>\n<li>  Li\u1ec7t k\u00ea s\u1ed1 \u0111i\u1ec7n tho\u1ea1i ho\u1eb7c t\u00f9y ch\u1ecdn li\u00ean h\u1ec7 SMS \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 ngay l\u1eadp t\u1ee9c n\u1ebfu n\u1ed9i dung k\u1ef9 thu\u1eadt s\u1ed1 kh\u00f3 \u0111i\u1ec1u h\u01b0\u1edbng qua tr\u00ecnh duy\u1ec7t di \u0111\u1ed9ng.<\/li>\n<li>  Cung c\u1ea5p t\u00e0i li\u1ec7u in b\u1eb1ng ch\u1eef l\u1edbn ho\u1eb7c ch\u1eef Braille nh\u01b0 m\u1ed9t ph\u01b0\u01a1ng \u00e1n d\u1ef1 ph\u00f2ng cho c\u00e1c menu k\u1ef9 thu\u1eadt s\u1ed1 ph\u1ee9c t\u1ea1p ho\u1eb7c bi\u1ec3u m\u1eabu \u0111\u0103ng k\u00fd.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u0110\u1ea3m b\u1ea3o c\u00e1c trang \u0111\u00edch d\u1ec5 ti\u1ebfp c\u1eadn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e0nh tr\u00ecnh ti\u1ebfp c\u1eadn v\u1eabn ti\u1ebfp t\u1ee5c sau khi qu\u00e1 tr\u00ecnh qu\u00e9t ho\u00e0n t\u1ea5t. N\u1ebfu ng\u01b0\u1eddi d\u00f9ng qu\u00e9t m\u00e3 th\u00e0nh c\u00f4ng nh\u01b0ng ch\u1ec9 t\u00ecm th\u1ea5y m\u1ed9t t\u1ec7p PDF kh\u00f4ng \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a ho\u1eb7c m\u1ed9t trang web kh\u00f4ng h\u1ed7 tr\u1ee3 tr\u00ecnh \u0111\u1ecdc m\u00e0n h\u00ecnh, chu\u1ed7i tu\u00e2n th\u1ee7 s\u1ebd b\u1ecb ph\u00e1 v\u1ee1.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/03\/aspect-ratio-1-1-simple-square-flat-illustration-on-a-white-background-showing-8045-86322c0cd70e.webp\" alt=\"Trang \u0111\u00edch d\u1ec5 ti\u1ebfp c\u1eadn\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>  \u0110\u1ea3m b\u1ea3o t\u1ea5t c\u1ea3 c\u00e1c trang \u0111\u00edch tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n WCAG 2.1 ho\u1eb7c 2.2 C\u1ea5p \u0111\u1ed9 AA, bao g\u1ed3m kh\u1ea3 n\u0103ng \u0111i\u1ec1u h\u01b0\u1edbng b\u1eb1ng b\u00e0n ph\u00edm v\u00e0 v\u0103n b\u1ea3n thay th\u1ebf cho h\u00ecnh \u1ea3nh.<\/li>\n<li>  S\u1eed d\u1ee5ng m\u1ed9t <a href=\"https:\/\/pageloot.com\/vi\/link-qr-code-generator\/\">tr\u00ecnh t\u1ea1o m\u00e3 QR li\u00ean k\u1ebft<\/a> \u0111\u1ec3 h\u01b0\u1edbng \u0111\u1ebfn c\u00e1c trang web \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho thi\u1ebft b\u1ecb di \u0111\u1ed9ng thay v\u00ec c\u00e1c t\u00e0i li\u1ec7u t\u0129nh, n\u1eb7ng n\u1ec1 m\u00e0 tr\u00ecnh \u0111\u1ecdc m\u00e0n h\u00ecnh kh\u00f3 ph\u00e2n t\u00edch.<\/li>\n<li>  Ki\u1ec3m tra n\u1ed9i dung \u0111\u00edch c\u1ee7a b\u1ea1n b\u1eb1ng c\u00e1c tr\u00ecnh \u0111\u1ecdc m\u00e0n h\u00ecnh nh\u01b0 VoiceOver ho\u1eb7c NVDA \u0111\u1ec3 x\u00e1c minh r\u1eb1ng h\u1ec7 th\u1ed1ng ph\u00e2n c\u1ea5p v\u00e0 lu\u1ed3ng th\u00f4ng tin l\u00e0 h\u1ee3p l\u00fd \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng nh\u00ecn th\u1ea5y.<\/li>\n<li>  Tr\u00e1nh s\u1eed d\u1ee5ng gi\u1edbi h\u1ea1n th\u1eddi gian cho c\u00e1c t\u01b0\u01a1ng t\u00e1c tr\u00ean trang \u0111\u00edch \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 c\u1ea7n th\u00eam th\u1eddi gian \u0111\u1ec3 \u0111\u1ecdc ho\u1eb7c \u0111i\u1ec1u h\u01b0\u1edbng th\u00f4ng qua c\u00f4ng ngh\u1ec7 h\u1ed7 tr\u1ee3.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">X\u00e1c th\u1ef1c chi\u1ebfn l\u01b0\u1ee3c tu\u00e2n th\u1ee7 c\u1ee7a b\u1ea1n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1edbc khi tri\u1ec3n khai m\u00e3 tr\u00ean quy m\u00f4 l\u1edbn, b\u1ea1n ph\u1ea3i ki\u1ec3m tra ch\u00fang trong \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf \u0111\u1ec3 x\u00e1c minh r\u1eb1ng ch\u00fang ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u00e1c thi\u1ebft b\u1ecb v\u00e0 c\u00f4ng ngh\u1ec7 h\u1ed7 tr\u1ee3 kh\u00e1c nhau. M\u1ed9t m\u00e3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong v\u0103n ph\u00f2ng s\u00e1ng s\u1ee7a c\u00f3 th\u1ec3 kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng trong h\u00e0nh lang thi\u1ebfu s\u00e1ng ho\u1eb7c \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng c\u00f3 camera \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh gi\u00e1 r\u1ebb.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>  Th\u1ef1c hi\u1ec7n <a href=\"https:\/\/pageloot.com\/vi\/blog\/how-to-test-qr-codes-for-mobile-usability\/\">ki\u1ec3m tra kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng tr\u00ean thi\u1ebft b\u1ecb di \u0111\u1ed9ng cho m\u00e3 QR<\/a> \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh qu\u00e9t nhanh ch\u00f3ng v\u00e0 \u0111\u00edch t\u1ea3i trong v\u00f2ng v\u00e0i gi\u00e2y.<\/li>\n<li>  X\u00e1c minh r\u1eb1ng m\u00e3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n t\u1eeb nhi\u1ec1u g\u00f3c \u0111\u1ed9 v\u00e0 kho\u1ea3ng c\u00e1ch kh\u00e1c nhau, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng b\u1ecb run ho\u1eb7c kh\u00f3 kh\u0103n v\u1ec1 v\u1eadn \u0111\u1ed9ng, nh\u1eefng ng\u01b0\u1eddi c\u00f3 th\u1ec3 g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c gi\u1eef \u0111i\u1ec7n tho\u1ea1i \u1ed5n \u0111\u1ecbnh.<\/li>\n<li>  Tham kh\u1ea3o <a href=\"https:\/\/pageloot.com\/vi\/blog\/best-practices-for-qr-code-readability\/\">c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t v\u1ec1 kh\u1ea3 n\u0103ng \u0111\u1ecdc m\u00e3 QR<\/a> \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng in c\u1ee7a b\u1ea1n \u0111\u00e1p \u1ee9ng m\u1ee9c t\u1ed1i thi\u1ec3u 300 DPI c\u1ea7n thi\u1ebft cho c\u00e1c m\u1eabu s\u1eafc n\u00e9t, r\u00f5 r\u00e0ng.<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>N\u1ebfu b\u1ea1n c\u1ea7n qu\u1ea3n l\u00fd nhi\u1ec1u chi\u1ebfn d\u1ecbch \u1edf c\u00e1c \u0111\u1ecba \u0111i\u1ec3m kh\u00e1c nhau, m\u1ed9t <a href=\"https:\/\/pageloot.com\/vi\/dynamic-qr-code-generator\/\">tr\u00ecnh t\u1ea1o m\u00e3 QR \u0111\u1ed9ng<\/a> cho ph\u00e9p b\u1ea1n c\u1eadp nh\u1eadt li\u00ean k\u1ebft \u0111\u00edch ngay l\u1eadp t\u1ee9c m\u00e0 kh\u00f4ng c\u1ea7n in l\u1ea1i b\u1ea3ng hi\u1ec7u v\u1eadt l\u00fd.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">X\u00e2y d\u1ef1ng m\u1ed9t th\u01b0\u01a1ng hi\u1ec7u h\u00f2a nh\u1eadp \u0111\u00f2i h\u1ecfi s\u1ef1 ch\u00fa \u00fd li\u00ean t\u1ee5c \u0111\u1ebfn c\u00e1c chi ti\u1ebft v\u1ec1 c\u00e1ch ng\u01b0\u1eddi d\u00f9ng t\u01b0\u01a1ng t\u00e1c v\u1edbi t\u00e0i s\u1ea3n v\u1eadt l\u00fd v\u00e0 k\u1ef9 thu\u1eadt s\u1ed1 c\u1ee7a b\u1ea1n. B\u1eb1ng c\u00e1ch \u01b0u ti\u00ean \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n cao, v\u1ecb tr\u00ed d\u1ec5 ti\u1ebfp c\u1eadn v\u00e0 c\u00e1c trang \u0111\u00edch d\u1ec5 truy c\u1eadp, b\u1ea1n t\u1ea1o ra m\u1ed9t c\u00e2y c\u1ea7u m\u00e0 m\u1ecdi kh\u00e1ch h\u00e0ng \u0111\u1ec1u c\u00f3 th\u1ec3 v\u01b0\u1ee3t qua. N\u1ebfu b\u1ea1n \u0111\u00e3 s\u1eb5n s\u00e0ng b\u1eaft \u0111\u1ea7u x\u00e2y d\u1ef1ng c\u00e1c chi\u1ebfn d\u1ecbch tu\u00e2n th\u1ee7, h\u00e3y s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 n\u00e0y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u00e3 QR c\u1ee7a b\u1ea1n m\u1edf ra cho t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-dd1bea0e0849\"><strong class=\"schema-faq-question\">M\u00e3 QR c\u00f3 b\u1eaft bu\u1ed9c ph\u1ea3i tu\u00e2n th\u1ee7 ADA kh\u00f4ng?<\/strong> <p class=\"schema-faq-answer\">C\u00f3, n\u1ebfu doanh nghi\u1ec7p c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c coi l\u00e0 c\u01a1 s\u1edf c\u00f4ng c\u1ed9ng theo Ti\u00eau \u0111\u1ec1 III c\u1ee7a ADA, t\u1ea5t c\u1ea3 n\u1ed9i dung k\u1ef9 thu\u1eadt s\u1ed1 b\u1ea1n cung c\u1ea5p ph\u1ea3i d\u1ec5 ti\u1ebfp c\u1eadn. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m b\u1ea5t k\u1ef3 th\u00f4ng tin, menu ho\u1eb7c d\u1ecbch v\u1ee5 n\u00e0o \u0111\u01b0\u1ee3c li\u00ean k\u1ebft qua m\u00e3 QR.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-ee3f927e4e9e\"><strong class=\"schema-faq-question\">K\u00edch th\u01b0\u1edbc t\u1ed1i thi\u1ec3u cho m\u00e3 QR tu\u00e2n th\u1ee7 ADA l\u00e0 bao nhi\u00eau?<\/strong> <p class=\"schema-faq-answer\">\u0110\u1ed1i v\u1edbi qu\u00e9t t\u1ea7m g\u1ea7n, k\u00edch th\u01b0\u1edbc t\u1ed1i thi\u1ec3u th\u1ef1c t\u1ebf l\u00e0 0.8 x 0.8 inch (2 x 2 cm). N\u1ebfu m\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 qu\u00e9t t\u1eeb xa, ch\u1eb3ng h\u1ea1n nh\u01b0 tr\u00ean \u00e1p ph\u00edch, n\u00f3 n\u00ean tu\u00e2n theo t\u1ef7 l\u1ec7 kho\u1ea3ng c\u00e1ch-k\u00edch th\u01b0\u1edbc 10:1 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-3a41035cf619\"><strong class=\"schema-faq-question\">L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 t\u00f4i l\u00e0m cho m\u00e3 QR d\u1ec5 ti\u1ebfp c\u1eadn \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng khi\u1ebfm th\u1ecb?<\/strong> <p class=\"schema-faq-answer\">B\u1ea1n c\u00f3 th\u1ec3 l\u00e0m cho m\u00e3 d\u1ec5 ti\u1ebfp c\u1eadn b\u1eb1ng c\u00e1ch th\u00eam c\u00e1c \u0111i\u1ec3m \u0111\u00e1nh d\u1ea5u x\u00fac gi\u00e1c ho\u1eb7c nh\u00e3n ch\u1eef n\u1ed5i Braille \u0111\u1ec3 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u0111\u1ecbnh v\u1ecb b\u1eb1ng c\u00e1ch ch\u1ea1m. Ngo\u00e0i ra, vi\u1ec7c cung c\u1ea5p m\u1ed9t ph\u01b0\u01a1ng \u00e1n thay th\u1ebf d\u1ef1a tr\u00ean v\u0103n b\u1ea3n ho\u1eb7c tr\u1ea3i nghi\u1ec7m k\u00edch ho\u1ea1t b\u1eb1ng gi\u1ecdng n\u00f3i \u0111\u1ea3m b\u1ea3o th\u00f4ng tin c\u00f3 s\u1eb5n cho m\u1ecdi ng\u01b0\u1eddi.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u c\u00e1ch t\u1ea1o m\u00e3 QR tu\u00e2n th\u1ee7 ADA b\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 c\u00e1c nguy\u00ean t\u1eafc v\u1ec1 \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n m\u00e0u s\u1eafc, k\u00edch th\u01b0\u1edbc v\u00e0 v\u1ecb tr\u00ed. \u0110\u1ea3m b\u1ea3o n\u1ed9i dung k\u1ef9 thu\u1eadt s\u1ed1 c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c cho t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi.<\/p>","protected":false},"author":17,"featured_media":50782,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[2635],"tags":[],"class_list":["post-45954","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.7 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Guidelines for ADA Compliant QR Code Implementation<\/title>\n<meta name=\"description\" content=\"Learn how to make QR codes ADA compliant by following guidelines for color contrast, sizing, and placement. 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This includes any information, menus, or services linked via a QR code.","inLanguage":"vi"},"inLanguage":"vi"},{"@type":"Question","@id":"https:\/\/pageloot.com\/blog\/how-to-make-qr-codes-ada-compliant\/#faq-question-ee3f927e4e9e","position":2,"url":"https:\/\/pageloot.com\/blog\/how-to-make-qr-codes-ada-compliant\/#faq-question-ee3f927e4e9e","name":"K\u00edch th\u01b0\u1edbc t\u1ed1i thi\u1ec3u cho m\u00e3 QR tu\u00e2n th\u1ee7 ADA l\u00e0 bao nhi\u00eau?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"For close-range scanning, the practical minimum is 0.8 x 0.8 inches (2 x 2 cm). If the code is meant to be scanned from a distance, such as on a poster, it should follow a 10:1 distance-to-size ratio to remain accessible.","inLanguage":"vi"},"inLanguage":"vi"},{"@type":"Question","@id":"https:\/\/pageloot.com\/blog\/how-to-make-qr-codes-ada-compliant\/#faq-question-3a41035cf619","position":3,"url":"https:\/\/pageloot.com\/blog\/how-to-make-qr-codes-ada-compliant\/#faq-question-3a41035cf619","name":"L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 t\u00f4i l\u00e0m cho m\u00e3 QR d\u1ec5 ti\u1ebfp c\u1eadn \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng khi\u1ebfm th\u1ecb?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"You can make codes accessible by adding tactile markers or Braille labels so they can be located by touch. Additionally, providing a text-based alternative or a voice-activated experience ensures the information is available to everyone.","inLanguage":"vi"},"inLanguage":"vi"}]}},"_links":{"self":[{"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/posts\/45954","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/comments?post=45954"}],"version-history":[{"count":5,"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/posts\/45954\/revisions"}],"predecessor-version":[{"id":52770,"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/posts\/45954\/revisions\/52770"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/media\/50782"}],"wp:attachment":[{"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/media?parent=45954"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/categories?post=45954"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/tags?post=45954"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}