{"id":45952,"date":"2025-09-07T04:01:57","date_gmt":"2025-09-07T04:01:57","guid":{"rendered":"https:\/\/staging.pageloot.com\/uncategorized\/best-qr-code-placements-for-government-agencies\/"},"modified":"2026-04-22T13:16:51","modified_gmt":"2026-04-22T13:16:51","slug":"best-qr-code-placements-for-government-agencies","status":"publish","type":"post","link":"https:\/\/pageloot.com\/vi\/blog\/best-qr-code-placements-for-government-agencies\/","title":{"rendered":"C\u00e1ch \u0111\u1eb7t m\u00e3 QR tr\u00ean Bi\u1ec3n b\u00e1o v\u00e0 T\u00e0i li\u1ec7u Ch\u00ednh ph\u1ee7"},"content":{"rendered":"<p class=\"wp-block-paragraph\">C\u01b0 d\u00e2n c\u1ee7a b\u1ea1n c\u00f3 \u0111ang g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c truy c\u1eadp c\u00e1c d\u1ecbch v\u1ee5 k\u1ef9 thu\u1eadt s\u1ed1 c\u1ee7a ch\u00ednh ph\u1ee7 th\u00f4ng qua c\u00e1c bi\u1ec3n b\u00e1o v\u00e0 t\u00e0i li\u1ec7u in \u1ea5n c\u1ee7a b\u1ea1n kh\u00f4ng? Khi m\u00e3 QR \u0111\u01b0\u1ee3c \u0111\u1eb7t kh\u00f4ng \u0111\u00fang ch\u1ed7 ho\u1eb7c kh\u00f3 ti\u1ebfp c\u1eadn, ch\u00fang s\u1ebd t\u1ea1o ra nh\u1eefng r\u00e0o c\u1ea3n g\u00e2y kh\u00f3 ch\u1ecbu \u0111\u1ed1i v\u1edbi th\u00f4ng tin c\u00f4ng c\u1ed9ng thi\u1ebft y\u1ebfu v\u00e0 l\u00e0m gi\u1ea3m hi\u1ec7u qu\u1ea3 c\u1ee7a c\u01a1 quan. H\u01b0\u1edbng d\u1eabn n\u00e0y cung c\u1ea5p c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t v\u1ec1 k\u1ef9 thu\u1eadt \u0111\u1ec3 \u0111\u1eb7t, \u0111\u1ecbnh c\u1ee1 v\u00e0 tu\u00e2n th\u1ee7 nh\u1eb1m \u0111\u1ea3m b\u1ea3o c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac k\u1ef9 thu\u1eadt s\u1ed1 c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 qu\u00e9t \u0111\u01b0\u1ee3c \u0111\u1ed1i v\u1edbi m\u1ecdi c\u00f4ng d\u00e2n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a kh\u1ea3 n\u0103ng qu\u00e9t<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e1y qu\u00e9t ph\u00e2n bi\u1ec7t c\u00e1c m\u1eabu m\u00e3 QR d\u1ef1a tr\u00ean c\u00e1ch \u00e1nh s\u00e1ng ph\u1ea3n x\u1ea1 kh\u1ecfi b\u1ec1 m\u1eb7t. H\u00e3y h\u00ecnh dung camera gi\u1ed1ng nh\u01b0 m\u1ed9t thi\u1ebft b\u1ecb \u0111\u1ecdc t\u1ed1c \u0111\u1ed9 cao c\u1ea7n m\u1ed9t c\u1ea1nh s\u1eafc n\u00e9t \u0111\u1ec3 ph\u00e2n bi\u1ec7t gi\u1eefa c\u00e1c m\u00f4-\u0111un d\u1eef li\u1ec7u v\u00e0 n\u1ec1n. N\u1ebfu \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n qu\u00e1 th\u1ea5p, c\u1ea3m bi\u1ebfn kh\u00f4ng th\u1ec3 t\u00e1ch bi\u1ec7t c\u00e1c \u201cch\u1ea5m\u201d ri\u00eang l\u1ebb, d\u1eabn \u0111\u1ebfn l\u1ed7i qu\u00e9t ngay l\u1eadp t\u1ee9c. \u0110\u1ec3 tu\u00e2n th\u1ee7 <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>, b\u1ea1n n\u00ean lu\u00f4n \u01b0u ti\u00ean n\u1ec1n t\u1ed1i tr\u00ean n\u1ec1n s\u00e1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 \u0111en tr\u00ean tr\u1eafng l\u00e0 ti\u00eau chu\u1ea9n v\u00e0ng v\u1ec1 \u0111\u1ed9 tin c\u1eady, c\u00e1c c\u1eb7p m\u00e0u c\u00f3 \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n cao kh\u00e1c nh\u01b0 xanh h\u1ea3i qu\u00e2n tr\u00ean m\u00e0u be ho\u1eb7c xanh \u0111\u1eadm tr\u00ean tr\u1eafng c\u0169ng c\u00f3 th\u1ec3 hi\u1ec7u qu\u1ea3. B\u1ea1n n\u00ean \u0111\u1eb7t m\u1ee5c ti\u00eau t\u1ef7 l\u1ec7 t\u01b0\u01a1ng ph\u1ea3n \u00edt nh\u1ea5t l\u00e0 4,5:1 \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ecb l\u1ef1c k\u00e9m v\u00e0 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng qu\u00e9t trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u00e1nh s\u00e1ng kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 bi\u1ec3n b\u00e1o c\u00f4ng vi\u00ean ngo\u00e0i tr\u1eddi ho\u1eb7c h\u00e0nh lang thi\u1ebfu s\u00e1ng. Tr\u00e1nh s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft k\u1ebf \u0111\u1ea3o ng\u01b0\u1ee3c \u2013 m\u00e3 s\u00e1ng tr\u00ean n\u1ec1n t\u1ed1i \u2013 v\u00ec nhi\u1ec1u camera \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh c\u0169 g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c x\u1eed l\u00fd ch\u00fang.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/03\/simple-clean-infographic-square-format-white-background-with-black-text-and-bl-3203-4ff1edd90a8f.webp\" alt=\"Infographic v\u1ec1 b\u1ea3ng hi\u1ec7u m\u00e3 QR\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u0110\u1ecbnh c\u1ee1 m\u00e3 cho c\u00e1c kho\u1ea3ng c\u00e1ch xem kh\u00e1c nhau<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t l\u1ed7i ph\u1ed5 bi\u1ebfn trong bi\u1ec3n b\u00e1o khu v\u1ef1c c\u00f4ng l\u00e0 in m\u00e3 qu\u00e1 nh\u1ecf so v\u1edbi m\u00f4i tr\u01b0\u1eddng c\u1ee7a ch\u00fang. K\u00edch th\u01b0\u1edbc m\u00e3 QR c\u1ee7a b\u1ea1n ph\u1ea3i t\u0103ng l\u00ean khi kho\u1ea3ng c\u00e1ch gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 bi\u1ec3n b\u00e1o t\u0103ng l\u00ean. V\u00ed d\u1ee5, Vi\u1ec7n Smithsonian \u0111\u00e3 s\u1eed d\u1ee5ng th\u00e0nh c\u00f4ng c\u00e1c m\u00e3 l\u1edbn h\u01a1n trong c\u00e1c ph\u00f2ng tr\u01b0ng b\u00e0y \u0111\u1ec3 du kh\u00e1ch c\u00f3 th\u1ec3 qu\u00e9t t\u1eeb kho\u1ea3ng c\u00e1ch tho\u1ea3i m\u00e1i m\u00e0 kh\u00f4ng l\u00e0m t\u1eafc ngh\u1ebdn c\u00e1c m\u00e0n h\u00ecnh.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>  Tu\u00e2n th\u1ee7 quy t\u1eafc 10:1, trong \u0111\u00f3 m\u00e3 ph\u1ea3i r\u1ed9ng \u00edt nh\u1ea5t 1 inch cho m\u1ed7i 10 inch kho\u1ea3ng c\u00e1ch qu\u00e9t.<\/li>\n<li>  Duy tr\u00ec k\u00edch th\u01b0\u1edbc v\u1eadt l\u00fd t\u1ed1i thi\u1ec3u 0,8 x 0,8 inch (2 x 2 cm) cho c\u00e1c t\u00e0i li\u1ec7u t\u1ea7m g\u1ea7n nh\u01b0 bi\u1ec3u m\u1eabu, danh thi\u1ebfp ho\u1eb7c t\u00e0i li\u1ec7u qu\u1ea3ng c\u00e1o.<\/li>\n<li>  T\u0103ng k\u00edch th\u01b0\u1edbc m\u00e3 n\u1ebfu b\u1ea1n \u0111ang m\u00e3 h\u00f3a d\u1eef li\u1ec7u ph\u1ee9c t\u1ea1p, v\u00ec c\u00e1c m\u1eabu d\u00e0y \u0111\u1eb7c h\u01a1n y\u00eau c\u1ea7u nhi\u1ec1u di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t h\u01a1n \u0111\u1ec3 duy tr\u00ec <a href=\"https:\/\/pageloot.com\/vi\/blog\/best-practices-for-qr-code-readability\/\">d\u1ec5 \u0111\u1ecdc v\u00e0 c\u00f3 th\u1ec3 qu\u00e9t \u0111\u01b0\u1ee3c<\/a>.<\/li>\n<li>  \u0110\u1ea3m b\u1ea3o v\u00f9ng y\u00ean t\u0129nh r\u1ed9ng \u00edt nh\u1ea5t b\u1ed1n m\u00f4-\u0111un \u1edf t\u1ea5t c\u1ea3 c\u00e1c c\u1ea1nh \u0111\u1ec3 cung c\u1ea5p v\u00f9ng \u0111\u1ec7m r\u00f5 r\u00e0ng gi\u00fap m\u00e1y qu\u00e9t x\u00e1c \u0111\u1ecbnh ranh gi\u1edbi m\u00e3.<\/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 thu th\u1eadp ph\u1ea3n h\u1ed3i c\u00f4ng khai ho\u1eb7c \u0111\u0103ng k\u00fd s\u1ef1 ki\u1ec7n, h\u00e3y s\u1eed d\u1ee5ng m\u1ed9t <a href=\"https:\/\/pageloot.com\/vi\/google-form-qr-code-generator\/\">Tr\u00ecnh t\u1ea1o m\u00e3 QR c\u1ee7a Google Bi\u1ec3u m\u1eabu<\/a> \u0111\u1ec3 t\u1ea1o m\u1ed9t c\u1ed5ng c\u00f3 th\u1ec3 qu\u00e9t \u0111\u01b0\u1ee3c ho\u1ea1t \u0111\u1ed9ng tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i thi\u1ebft b\u1ecb v\u00e0 kho\u1ea3ng c\u00e1ch.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">\u0110\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n v\u1ec1 kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn v\u00e0 M\u1ee5c 508<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c c\u01a1 quan ch\u00ednh ph\u1ee7 ph\u1ea3i \u0111\u1ea3m b\u1ea3o r\u1eb1ng qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i k\u1ef9 thu\u1eadt s\u1ed1 mang t\u00ednh h\u00f2a nh\u1eadp cho t\u1ea5t c\u1ea3 c\u01b0 d\u00e2n. Trong khi M\u1ee5c 508 \u00e1p d\u1ee5ng cho n\u1ed9i dung \u0111i\u1ec7n t\u1eed li\u00ean bang, ADA y\u00eau c\u1ea7u t\u1ea1o \u0111i\u1ec1u ki\u1ec7n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng cho c\u00e1c c\u00e1 nh\u00e2n khuy\u1ebft t\u1eadt tr\u00ean bi\u1ec3n b\u00e1o c\u00f4ng c\u1ed9ng. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 m\u00e3 QR kh\u00f4ng bao gi\u1edd \u0111\u01b0\u1ee3c l\u00e0 ph\u01b0\u01a1ng ph\u00e1p duy nh\u1ea5t \u0111\u1ec3 truy c\u1eadp th\u00f4ng tin quan tr\u1ecdng. Bi\u1ec3n b\u00e1o c\u1ee7a C\u1ee5c C\u00f4ng vi\u00ean Qu\u1ed1c gia (NPS) v\u00e0 CDC th\u01b0\u1eddng bao g\u1ed3m c\u00e1c l\u1ef1a ch\u1ecdn thay th\u1ebf \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng c\u00f4ng d\u00e2n n\u00e0o b\u1ecb b\u1ecf l\u1ea1i ph\u00eda sau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 t\u1ed1i \u0111a h\u00f3a kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn, b\u1ea1n n\u00ean cung c\u1ea5p c\u00e1c h\u01b0\u1edbng d\u1eabn r\u00f5 r\u00e0ng, d\u1ec5 hi\u1ec3u \u1edf g\u1ea7n \u0111\u00f3, ch\u1eb3ng h\u1ea1n nh\u01b0 \u201cQu\u00e9t \u0111\u1ec3 t\u1ea3i xu\u1ed1ng \u0111\u01a1n xin gi\u1ea5y ph\u00e9p.\u201d Bao g\u1ed3m m\u1ed9t URL ng\u1eafn, d\u1ec5 nh\u1eadp b\u00ean d\u01b0\u1edbi m\u00e3 \u0111\u00f3ng vai tr\u00f2 l\u00e0 b\u1ea3n sao l\u01b0u quan tr\u1ecdng cho nh\u1eefng ng\u01b0\u1eddi kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng m\u00e1y \u1ea3nh. \u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng m\u00f9 ho\u1eb7c th\u1ecb l\u1ef1c k\u00e9m, vi\u1ec7c \u0111\u1eb7t nh\u00e3n ch\u1eef n\u1ed5i Braille ho\u1eb7c d\u1ea5u hi\u1ec7u x\u00fac gi\u00e1c g\u1ea7n m\u00e3 s\u1ebd cho bi\u1ebft m\u1ee5c \u0111\u00edch v\u00e0 v\u1ecb tr\u00ed c\u1ee7a n\u00f3. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 xem x\u00e9t <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> cho c\u00e1c trung t\u00e2m trung chuy\u1ec3n ho\u1eb7c b\u1ea3o t\u00e0ng \u0111\u1ec3 cung c\u1ea5p h\u01b0\u1edbng d\u1eabn t\u01b0\u1eddng thu\u1eadt h\u1ed7 tr\u1ee3 \u0111i\u1ec1u h\u01b0\u1edbng v\u00e0 hi\u1ec3u bi\u1ebft.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ch\u1ecdn V\u1ecb tr\u00ed V\u1eadt l\u00fd Ph\u00f9 h\u1ee3p<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00f4i tr\u01b0\u1eddng v\u1eadt l\u00fd \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 c\u01b0 d\u00e2n c\u00f3 th\u1ec3 qu\u00e9t m\u00e3 c\u1ee7a b\u1ea1n. \u00c1nh s\u00e1ng k\u00e9m, ch\u00f3i ho\u1eb7c b\u1ec1 m\u1eb7t cong l\u00e0 nh\u1eefng nguy\u00ean nh\u00e2n h\u00e0ng \u0111\u1ea7u g\u00e2y kh\u00f3 ch\u1ecbu cho ng\u01b0\u1eddi d\u00f9ng. V\u00ed d\u1ee5, c\u00e1c c\u01a1 quan v\u1eadn t\u1ea3i nh\u01b0 h\u1ec7 th\u1ed1ng xe bu\u00fdt EMT Madrid \u0111\u1eb7t m\u00e3 tr\u00ean c\u00e1c b\u1ec1 m\u1eb7t ph\u1eb3ng, m\u1edd \u1edf ngang t\u1ea7m m\u1eaft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o h\u00e0nh kh\u00e1ch c\u00f3 th\u1ec3 qu\u00e9t nhanh ch\u00f3ng khi \u0111ang di chuy\u1ec3n.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/03\/simple-square-illustration-on-a-white-background-with-blue-and-light-grey-accent-5576-75a7358fd1ec.webp\" alt=\"H\u01b0\u1edbng d\u1eabn \u0111\u1eb7t QR\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>  \u0110\u1eb7t m\u00e3 \u1edf ngang t\u1ea7m m\u1eaft, th\u01b0\u1eddng l\u00e0 gi\u1eefa 3,5 v\u00e0 4,5 feet, \u0111\u1ec3 ng\u01b0\u1eddi l\u1edbn \u0111\u1ee9ng v\u00e0 ng\u01b0\u1eddi d\u00f9ng xe l\u0103n \u0111\u1ec1u c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn.<\/li>\n<li>  S\u1eed d\u1ee5ng l\u1edbp ho\u00e0n thi\u1ec7n m\u1edd v\u00e0 l\u1edbp ph\u1ee7 ch\u1ed1ng ch\u00f3i thay v\u00ec v\u1eadt li\u1ec7u b\u00f3ng, c\u00f3 th\u1ec3 t\u1ea1o ra ph\u1ea3n x\u1ea1 \u201cl\u00e0m m\u00f9\u201d c\u1ea3m bi\u1ebfn camera.<\/li>\n<li>  Tr\u00e1nh \u0111\u1eb7t m\u00e3 tr\u00ean c\u00e1c b\u1ec1 m\u1eb7t cong nh\u01b0 c\u1ed9t ho\u1eb7c chai nh\u1ecf, v\u00ec s\u1ef1 bi\u1ebfn d\u1ea1ng l\u00e0m cho m\u1eabu kh\u00f3 \u0111\u01b0\u1ee3c ph\u1ea7n m\u1ec1m gi\u1ea3i m\u00e3.<\/li>\n<li>  \u0110\u1ea3m b\u1ea3o m\u00e3 \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean m\u1ed9t v\u1eadt th\u1ec3 c\u1ed1 \u0111\u1ecbnh thay v\u00ec c\u1eeda \u0111ang di chuy\u1ec3n ho\u1eb7c ph\u01b0\u01a1ng ti\u1ec7n t\u1ed1c \u0111\u1ed9 cao n\u01a1i ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng th\u1ec3 d\u1eebng l\u1ea1i an to\u00e0n \u0111\u1ec3 qu\u00e9t.<\/li>\n<li>  Cung c\u1ea5p m\u1ed9t n\u1ec1n \u0111\u1eb7c, m\u1edd \u0111\u1ee5c ph\u00eda sau c\u00e1c m\u00e3 \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean c\u1eeda k\u00ednh \u0111\u1ec3 ng\u0103n \u0111\u00e8n n\u1ec1n l\u00e0m m\u1edd m\u1eabu.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu b\u1ea1n c\u1ea7n h\u01b0\u1edbng d\u1eabn c\u00f4ng d\u00e2n \u0111\u1ebfn c\u00e1c v\u0103n ph\u00f2ng hi\u1ec7n tr\u01b0\u1eddng m\u1edbi ho\u1eb7c \u0111i\u1ec3m ti\u00eam ch\u1ee7ng, m\u1ed9t <a href=\"https:\/\/pageloot.com\/vi\/google-maps-qr-code-generator\/\">Tr\u00ecnh t\u1ea1o m\u00e3 QR c\u1ee7a Google Maps<\/a> cung c\u1ea5p \u0111i\u1ec1u h\u01b0\u1edbng t\u1ee9c th\u00ec m\u00e0 kh\u00f4ng y\u00eau c\u1ea7u nh\u1eadp \u0111\u1ecba ch\u1ec9 th\u1ee7 c\u00f4ng. Tu\u00e2n th\u1ee7 c\u00e1c <a href=\"https:\/\/pageloot.com\/vi\/blog\/how-to-improve-qr-code-readability\/\">h\u01b0\u1edbng d\u1eabn \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng \u0111\u1ecdc m\u00e3 QR<\/a> \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c l\u1ef1a ch\u1ecdn v\u1ecb tr\u00ed c\u1ee7a b\u1ea1n h\u1ed7 tr\u1ee3, thay v\u00ec c\u1ea3n tr\u1edf, tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">M\u00e3 \u0110\u1ed9ng cho Hi\u1ec7u qu\u1ea3 C\u01a1 quan<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u00f4ng tin c\u00f4ng c\u1ed9ng, ch\u1eb3ng h\u1ea1n nh\u01b0 gi\u1edd l\u00e0m vi\u1ec7c ho\u1eb7c t\u00e0i li\u1ec7u ch\u00ednh s\u00e1ch, thay \u0111\u1ed5i th\u01b0\u1eddng xuy\u00ean. In m\u1ed9t m\u00e3 QR t\u0129nh li\u00ean k\u1ebft \u0111\u1ebfn m\u1ed9t t\u00e0i li\u1ec7u c\u1ee5 th\u1ec3 c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n ph\u1ea3i in l\u1ea1i to\u00e0n b\u1ed9 bi\u1ec3n b\u00e1o m\u1ed7i khi URL ho\u1eb7c t\u1ec7p \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt. M\u00e3 QR \u0111\u1ed9ng gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y b\u1eb1ng c\u00e1ch cho ph\u00e9p b\u1ea1n c\u1eadp nh\u1eadt li\u00ean k\u1ebft \u0111\u00edch \u1edf ph\u1ea7n ph\u1ee5 tr\u1ee3 m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i m\u00e3 \u0111\u00e3 in tr\u00ean t\u01b0\u1eddng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ngo\u00e0i t\u00ednh linh ho\u1ea1t, m\u00e3 \u0111\u1ed9ng c\u00f2n cung c\u1ea5p cho c\u01a1 quan c\u1ee7a b\u1ea1n c\u00e1c ph\u00e2n t\u00edch qu\u00e9t thi\u1ebft y\u1ebfu. B\u1ea1n c\u00f3 th\u1ec3 theo d\u00f5i nh\u1eefng \u0111\u1ecba \u0111i\u1ec3m n\u00e0o c\u00f3 m\u1ee9c \u0111\u1ed9 t\u01b0\u01a1ng t\u00e1c cao nh\u1ea5t v\u00e0 v\u00e0o th\u1eddi \u0111i\u1ec3m n\u00e0o trong ng\u00e0y c\u01b0 d\u00e2n \u0111ang truy c\u1eadp d\u1ecbch v\u1ee5. D\u1eef li\u1ec7u n\u00e0y gi\u00fap b\u1ea1n quy\u1ebft \u0111\u1ecbnh n\u01a1i ph\u00e2n b\u1ed5 ng\u00e2n s\u00e1ch bi\u1ec3n b\u00e1o trong t\u01b0\u01a1ng lai v\u00e0 c\u00e1ch c\u1ea3i thi\u1ec7n ho\u1ea1t \u0111\u1ed9ng ti\u1ebfp c\u1eadn c\u1ed9ng \u0111\u1ed3ng. \u0110\u1ed1i v\u1edbi c\u00e1c c\u01a1 quan qu\u1ea3n l\u00fd t\u00e0i li\u1ec7u c\u00f4ng c\u1ed9ng y\u00eau c\u1ea7u \u0111\u1ecdc th\u01b0\u1eddng xuy\u00ean, vi\u1ec7c s\u1eed d\u1ee5ng m\u1ed9t <a href=\"https:\/\/pageloot.com\/vi\/google-doc-qr-code-generator\/\">tr\u00ecnh t\u1ea1o m\u00e3 QR Google Doc<\/a> cho ph\u00e9p c\u01b0 d\u00e2n m\u1edf phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t c\u1ee7a h\u01b0\u1edbng d\u1eabn tr\u1ef1c ti\u1ebfp trong tr\u00ecnh duy\u1ec7t di \u0111\u1ed9ng c\u1ee7a h\u1ecd.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u0110\u1ec3 qu\u1ea3n l\u00fd c\u00e1c t\u00e0i li\u1ec7u c\u00f4ng c\u1ed9ng y\u00eau c\u1ea7u c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean, h\u00e3y s\u1eed d\u1ee5ng m\u1ed9t <a href=\"https:\/\/pageloot.com\/vi\/pdf-qr-code-generator\/\">Tr\u00ecnh t\u1ea1o m\u00e3 QR PDF<\/a> \u0111\u1ec3 l\u01b0u tr\u1eef c\u00e1c t\u1ec7p c\u1ee7a b\u1ea1n. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p b\u1ea1n thay th\u1ebf phi\u00ean b\u1ea3n t\u00e0i li\u1ec7u b\u1ea5t c\u1ee9 l\u00fac n\u00e0o trong khi v\u1eabn gi\u1eef nguy\u00ean m\u00e3 QR \u0111\u00e3 in tr\u00ean t\u1edd r\u01a1i ho\u1eb7c b\u1ea3ng hi\u1ec7u v\u0103n ph\u00f2ng c\u1ee7a b\u1ea1n.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">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-edb93b0028c3\"><strong class=\"schema-faq-question\">K\u00edch th\u01b0\u1edbc nh\u1ecf nh\u1ea5t c\u1ee7a m\u00e3 QR tr\u00ean bi\u1ec3u m\u1eabu ch\u00ednh ph\u1ee7 l\u00e0 bao nhi\u00eau?<\/strong> <p class=\"schema-faq-answer\">The absolute minimum size is 0.8 x 0.8 inches (2 x 2 cm). However, for better reliability across various smartphone models and older cameras, 1 x 1 inch is the recommended standard for printed documents.    Do government QR codes need to be black and white? They can be colored to match agency branding, but they must maintain a high contrast ratio of at least 4.5:1. Dark blue, dark green, or black on a white or very light background are the most reliable options for public use.    How do I ensure a QR code on a window is scannable? Avoid printing the code directly on a transparent background, as light from behind the glass can interfere with the scan. Always use a solid white background &#8220;quiet zone&#8221; around the code to ensure the camera can clearly identify the modules. To ensure your agency&#8217;s QR codes are always accessible and professional, start by using high-resolution vector files for all your print materials. You can easily manage and update your public-facing links by using a link QR code generator to create dynamic, trackable touchpoints for your community.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>C\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn d\u1ecbch v\u1ee5 s\u1ed1 c\u1ee7a c\u00f4ng d\u00e2n v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t v\u1ec1 k\u1ef9 thu\u1eadt v\u1ec1 v\u1ecb tr\u00ed \u0111\u1eb7t m\u00e3 QR, k\u00edch th\u01b0\u1edbc v\u00e0 tu\u00e2n th\u1ee7 ADA tr\u00ean bi\u1ec3n b\u00e1o v\u00e0 t\u00e0i li\u1ec7u c\u1ee7a ch\u00ednh ph\u1ee7.<\/p>","protected":false},"author":17,"featured_media":50504,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[2635],"tags":[],"class_list":["post-45952","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>How to Place QR Codes on Government Signage and Documents<\/title>\n<meta name=\"description\" content=\"Improve citizen access to digital services with technical best practices for QR code placement, sizing, and ADA compliance on government signage and documents.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pageloot.com\/vi\/blog\/best-qr-code-placements-for-government-agencies\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Place QR Codes on Government Signage and Documents\" \/>\n<meta property=\"og:description\" content=\"Improve citizen access to digital services with technical best practices for QR code placement, sizing, and ADA compliance on government signage and documents.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/pageloot.com\/vi\/blog\/best-qr-code-placements-for-government-agencies\/\" \/>\n<meta property=\"og:site_name\" content=\"Pageloot\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/pageloot\/\" \/>\n<meta property=\"article:published_time\" content=\"2025-09-07T04:01:57+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-22T13:16:51+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/03\/photorealistic-indoor-municipal-office-or-transit-information-area-with-an-acces-9203-fe3242f949df.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1408\" \/>\n\t<meta property=\"og:image:height\" content=\"768\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Siim T\" \/>\n<meta name=\"twitter:card\" 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