{"id":2454,"date":"2019-04-28T19:03:53","date_gmt":"2019-04-28T19:03:53","guid":{"rendered":"https:\/\/pageloot.com\/?p=2454"},"modified":"2026-04-29T10:15:23","modified_gmt":"2026-04-29T10:15:23","slug":"posters","status":"publish","type":"post","link":"https:\/\/pageloot.com\/pt\/qr-codes-on\/posters\/","title":{"rendered":"Diretrizes para o Uso de C\u00f3digos QR em Cartazes Eficazmente"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Os seus cartazes de marketing t\u00eam dificuldade em capturar um envolvimento mensur\u00e1vel? Designs est\u00e1ticos deixam leads valiosos para tr\u00e1s quando os espectadores n\u00e3o t\u00eam um caminho claro da impress\u00e3o para a a\u00e7\u00e3o digital. Este guia abrange dimensionamento, posicionamento, contraste e tipo de c\u00f3digo para que cada cartaz que voc\u00ea imprime se torne um ponto de contato digital rastre\u00e1vel.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Preenchendo a Lacuna Entre o Impresso e o Digital<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Cartazes t\u00eam servido como ferramentas essenciais de marketing por d\u00e9cadas, mas muitas vezes sofrem de espa\u00e7o limitado e falta de interatividade. Integrar um c\u00f3digo QR transforma um design est\u00e1tico em uma porta de entrada para conte\u00fado multim\u00eddia. Ao escanear um c\u00f3digo, os espectadores podem acessar instantaneamente promo\u00e7\u00f5es de eventos, menus digitais ou c\u00f3digos de cupom sem o atrito de digitar um URL.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Esta abordagem tamb\u00e9m suporta layouts mais limpos. Em vez de lotar o cartaz com par\u00e1grafos de texto, voc\u00ea pode focar em uma imagem heroica atraente e uma mensagem breve. Compreender <a href=\"https:\/\/pageloot.com\/pt\/blog\/how-qr-codes-connect-print-and-digital-marketing\/\">como os c\u00f3digos QR conectam o marketing impresso e digital<\/a> ajuda voc\u00ea a decidir qual conte\u00fado fica no cartaz versus o que vive por tr\u00e1s da leitura \u2013 v\u00eddeos, landing pages ou ofertas para download que nunca caberiam na impress\u00e3o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Dimensionamento para Visibilidade e Dist\u00e2ncia de Leitura<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">O fator mais cr\u00edtico para o sucesso do c\u00f3digo QR em cartazes \u00e9 a rela\u00e7\u00e3o entre o tamanho f\u00edsico do c\u00f3digo e a dist\u00e2ncia do espectador. Se um c\u00f3digo for muito pequeno, a c\u00e2mera do smartphone n\u00e3o consegue resolver os m\u00f3dulos individuais, e a leitura falha. <strong>Para materiais escaneados \u00e0 dist\u00e2ncia de um bra\u00e7o, o tamanho m\u00ednimo do c\u00f3digo QR n\u00e3o deve ser menor que 2 \u00d7 2 cm (0.8 \u00d7 0.8 polegadas).<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/04\/poster-qr-sizing-1555d2-dd7867c9f792.webp\" alt=\"Guia de dimensionamento de QR para p\u00f4steres\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Ao projetar cartazes destinados a serem vistos de mais longe \u2013 vitrines, paredes de corredores, estandes de feiras \u2013 siga a <strong>regra de dimensionamento 1:10<\/strong>: para cada 10 cent\u00edmetros de dist\u00e2ncia de leitura, o c\u00f3digo deve ter 1 cent\u00edmetro de largura. Um cartaz escaneado a 1 metro de dist\u00e2ncia precisa de um c\u00f3digo com pelo menos 10 cm de largura; a 3 metros, esse m\u00ednimo sobe para 30 cm. Sempre baseie sua decis\u00e3o de dimensionamento na dist\u00e2ncia dos seus espectadores mais pr\u00f3ximos prov\u00e1veis, n\u00e3o na m\u00e9dia.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O <a href=\"https:\/\/pageloot.com\/pt\/blog\/qr-code-sizing-for-different-print-materials\/\">O guia de dimensionamento de c\u00f3digo QR para diferentes materiais impressos<\/a> fornece medidas espec\u00edficas para formatos de cartazes comuns para que voc\u00ea possa confirmar suas dimens\u00f5es antes de enviar os arquivos para impress\u00e3o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Contraste e Melhores Pr\u00e1ticas de Design<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Scanners decodificam um c\u00f3digo QR distinguindo m\u00f3dulos escuros de um fundo claro. Embora os c\u00f3digos tradicionais em preto e branco sejam os mais confi\u00e1veis, voc\u00ea pode personalizar a apar\u00eancia para combinar com sua marca \u2013 desde que proteja essa distin\u00e7\u00e3o. Siga as <a href=\"https:\/\/pageloot.com\/pt\/blog\/qr-code-color-contrast-best-practices\/\">melhores pr\u00e1ticas de contraste de cores para c\u00f3digos QR<\/a> e procure por um <strong>rela\u00e7\u00e3o de contraste de pelo menos 4.5:1<\/strong> entre os m\u00f3dulos de primeiro plano e o fundo. Nunca inverta o c\u00f3digo colocando m\u00f3dulos claros em um fundo escuro, pois a maioria dos scanners tem dificuldade em l\u00ea-los de forma confi\u00e1vel.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Al\u00e9m da cor, a <strong>zona de sil\u00eancio<\/strong> \u00e9 essencial para o reconhecimento. Esta \u00e9 a margem clara que rodeia o c\u00f3digo e que separa o padr\u00e3o de texto ou gr\u00e1ficos pr\u00f3ximos \u2013 pense nela como um buffer que indica ao scanner exatamente onde o c\u00f3digo come\u00e7a e termina. A zona de sil\u00eancio deve ter pelo menos <strong>quatro m\u00f3dulos de largura em todos os lados<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Diretrizes de design adicionais a seguir:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Exporte em formatos vetoriais de alta resolu\u00e7\u00e3o, como SVG ou EPS para impress\u00e3o, para evitar desfoque em tamanhos maiores.<\/li>\n<li>Evite gradientes ou sombras dentro dos m\u00f3dulos do c\u00f3digo, pois os tons m\u00e9dios confundem os algoritmos do scanner.<\/li>\n<li>Se adicionar um log\u00f3tipo, utilize um <a href=\"https:\/\/pageloot.com\/pt\/qr-code-generator-with-logo\/\">gerador de c\u00f3digo QR com logotipo<\/a> que gere a corre\u00e7\u00e3o de erros automaticamente, e mantenha o log\u00f3tipo em n\u00e3o mais de 30% da \u00e1rea do padr\u00e3o.<\/li>\n<li>Escolha acabamentos de papel mate em vez de brilhantes; o brilho cria reflexos que refletem a luz de volta para a lente da c\u00e2mara e impedem uma leitura limpa.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Para uma lista de verifica\u00e7\u00e3o abrangente antes de imprimir, o <a href=\"https:\/\/pageloot.com\/pt\/blog\/best-practices-for-qr-code-readability\/\">melhores pr\u00e1ticas para legibilidade de c\u00f3digos QR<\/a> abrange verifica\u00e7\u00f5es t\u00e9cnicas adicionais que vale a pena executar no seu ficheiro de design.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>Pronto para Monitorizar as Suas Taxas de Leitura?<\/strong> Atualize os URLs de destino sem reimprimir um \u00fanico cartaz. Utilize o <a href=\"https:\/\/pageloot.com\/pt\/qr-code-generator\/\">Gerador de C\u00f3digo QR<\/a> para criar c\u00f3digos de marca, rastre\u00e1veis e gerir toda a sua campanha a partir de um \u00fanico painel.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">Posicionamento Estrat\u00e9gico e Ambiente<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Onde o c\u00f3digo QR se encontra no seu poster \u00e9 t\u00e3o importante quanto a sua apar\u00eancia. A coloca\u00e7\u00e3o eficaz segue a linha de vis\u00e3o natural. Para a maioria dos posters de p\u00e9 ou montados na parede, posicione o c\u00f3digo <strong>entre 3,5 e 5,5 p\u00e9s do ch\u00e3o<\/strong> \u2013 o intervalo onde os espectadores podem levantar confortavelmente o telem\u00f3vel sem se agachar ou esticar. Evite colocar c\u00f3digos na parte inferior de posters de grande formato ou em cantos onde o papel possa enrolar ou uma moldura possa cobrir parcialmente a zona de sil\u00eancio.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A superf\u00edcie e o ambiente tamb\u00e9m afetam a capacidade de leitura. Os c\u00f3digos funcionam melhor em \u00e1reas planas e lisas com ilumina\u00e7\u00e3o consistente. Superf\u00edcies curvas \u2013 como posters enrolados em pilares \u2013 distorcem as propor\u00e7\u00f5es quadradas do padr\u00e3o e causam falhas na leitura. Materiais altamente texturizados criam problemas semelhantes. Sombras fortes, luzes cintilantes ou brilho direto impedem a c\u00e2mara de focar nitidamente, por isso considere a ilumina\u00e7\u00e3o ambiente do seu local de instala\u00e7\u00e3o antes de finalizar a coloca\u00e7\u00e3o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O <a href=\"https:\/\/pageloot.com\/pt\/blog\/ultimate-guide-to-qr-code-placement-in-marketing\/\">guia definitivo para o posicionamento de c\u00f3digos QR em marketing<\/a> aprofundar-se em considera\u00e7\u00f5es espec\u00edficas do ambiente, e o <a href=\"https:\/\/pageloot.com\/pt\/blog\/qr-code-placement-mistakes\/\">erros comuns na coloca\u00e7\u00e3o de c\u00f3digos QR<\/a> guia vale a pena rever antes de finalizar o seu layout.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Escolhendo Entre C\u00f3digos Est\u00e1ticos e Din\u00e2micos<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ao imprimir posters, a escolha entre c\u00f3digos est\u00e1ticos e din\u00e2micos tem um impacto direto no custo e na flexibilidade a longo prazo. <strong>C\u00f3digos est\u00e1ticos<\/strong> incorporam o URL de destino diretamente no padr\u00e3o. Uma vez impresso, esse destino n\u00e3o pode ser alterado. Se o link quebrar, o evento terminar, ou se quiser redirecionar o tr\u00e1fego para uma nova p\u00e1gina, o poster fica obsoleto.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/04\/static-vs-dynamic-a0e9cf-4c6b3f11cd56.webp\" alt=\"C\u00f3digos est\u00e1ticos vs din\u00e2micos\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00f3digos din\u00e2micos<\/strong> usam um URL de redirecionamento curto, o que significa que o destino subjacente pode ser atualizado a qualquer momento atrav\u00e9s do seu painel de controlo \u2013 sem necessidade de reimpress\u00e3o. Veja como as duas op\u00e7\u00f5es se comparam:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"wp-block-table__content\">\n<thead>\n<tr>\n<th>Recurso<\/th>\n<th>C\u00f3digo Est\u00e1tico<\/th>\n<th>C\u00f3digo Din\u00e2mico<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Destino edit\u00e1vel ap\u00f3s a impress\u00e3o<\/td>\n<td>N\u00e3o<\/td>\n<td>Sim<\/td>\n<\/tr>\n<tr>\n<td>An\u00e1lise de digitaliza\u00e7\u00e3o em tempo real<\/td>\n<td>N\u00e3o<\/td>\n<td>Sim<\/td>\n<\/tr>\n<tr>\n<td>Densidade do padr\u00e3o<\/td>\n<td>Mais alto<\/td>\n<td>Mais baixo (mais f\u00e1cil de digitalizar)<\/td>\n<\/tr>\n<tr>\n<td>Capacidade de teste A\/B<\/td>\n<td>N\u00e3o<\/td>\n<td>Sim<\/td>\n<\/tr>\n<tr>\n<td>Custo ap\u00f3s a impress\u00e3o<\/td>\n<td>Nenhum<\/td>\n<td>Assinatura necess\u00e1ria<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Para qualquer campanha de cartazes onde o conte\u00fado possa mudar ou onde precise de medir o ROI, os c\u00f3digos din\u00e2micos s\u00e3o a escolha pr\u00e1tica. Pode rastrear o total de digitaliza\u00e7\u00f5es, localiza\u00e7\u00e3o geogr\u00e1fica, tipos de dispositivos e taxas de convers\u00e3o a partir de um painel centralizado. Rever as diferen\u00e7as entre <a href=\"https:\/\/pageloot.com\/pt\/qr-code-marketing\/static-vs-dynamic-qr-codes\/\">c\u00f3digos QR est\u00e1ticos e din\u00e2micos<\/a> ir\u00e1 ajud\u00e1-lo a decidir qual modelo se adapta ao cronograma e or\u00e7amento da sua campanha.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Assim que um espectador digitaliza o seu cartaz, a p\u00e1gina de destino a que chega \u00e9 t\u00e3o importante quanto o pr\u00f3prio c\u00f3digo. O <a href=\"https:\/\/pageloot.com\/pt\/blog\/mobile-qr-code-landing-pages-best-practices\/\">melhores pr\u00e1ticas para p\u00e1ginas de destino de c\u00f3digos QR m\u00f3veis<\/a> guia abrange como construir p\u00e1ginas que convertem em uma tela pequena.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>Comece a Medir o Que os Seus Cartazes Entregam<\/strong> Transforme cada tiragem numa fonte de dados de campanha. Use o <a href=\"https:\/\/pageloot.com\/pt\/link-qr-code-generator\/\">gerador de link para c\u00f3digo QR<\/a> para criar um c\u00f3digo din\u00e2mico e, em seguida, rastrear as digitaliza\u00e7\u00f5es por localiza\u00e7\u00e3o, hora e dispositivo \u2013 sem tocar na impressora novamente.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Ao aplicar o tamanho, contraste, posicionamento e tipo de c\u00f3digo corretos, pode transformar um cartaz impresso num ponto de contacto digital mensur\u00e1vel que funciona muito depois de a tinta secar.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Perguntas Frequentes<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-0465672fcc89\"><strong class=\"schema-faq-question\">Que tamanho deve ter um c\u00f3digo QR num cartaz?<\/strong> <p class=\"schema-faq-answer\">O tamanho depende da dist\u00e2ncia a que os espectadores estar\u00e3o ao digitalizar. Use a regra 1:10: o c\u00f3digo deve ter 1 cm de largura para cada 10 cm de dist\u00e2ncia de digitaliza\u00e7\u00e3o. Para um cartaz digitalizado a 1 metro de dist\u00e2ncia, isso significa pelo menos 10 cm de largura. Para digitaliza\u00e7\u00e3o de perto, \u00e0 dist\u00e2ncia de um bra\u00e7o, mantenha-o n\u00e3o menor que 2 \u00d7 2 cm (0,8 \u00d7 0,8 polegadas).<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-add233112c70\"><strong class=\"schema-faq-question\">Posso usar cores al\u00e9m de preto e branco para o c\u00f3digo QR do meu p\u00f4ster?<\/strong> <p class=\"schema-faq-answer\">Sim, mas o contraste n\u00e3o \u00e9 negoci\u00e1vel. Sempre use uma cor escura para os m\u00f3dulos e uma cor clara para o fundo, e mantenha uma taxa de contraste de pelo menos 4.5:1. Nunca inverta isso colocando m\u00f3dulos claros em um fundo escuro, pois a maioria dos scanners falhar\u00e1 em l\u00ea-lo de forma confi\u00e1vel.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-fe6a1db3de1b\"><strong class=\"schema-faq-question\">Por que meu c\u00f3digo QR n\u00e3o est\u00e1 sendo lido no p\u00f4ster impresso?<\/strong> <p class=\"schema-faq-answer\">As causas mais comuns s\u00e3o contraste insuficiente entre m\u00f3dulos e fundo, uma zona de sil\u00eancio ausente ou muito estreita, reflexo de papel brilhante, ou um c\u00f3digo que \u00e9 muito pequeno para a dist\u00e2ncia de digitaliza\u00e7\u00e3o. Teste seu c\u00f3digo impresso nas mesmas condi\u00e7\u00f5es de ilumina\u00e7\u00e3o que seu p\u00fablico encontrar\u00e1, e verifique se a zona de sil\u00eancio tem pelo menos quatro m\u00f3dulos de largura em todos os lados.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>Aprenda a usar c\u00f3digos QR em cartazes. Este guia abrange dimensionamento, contraste, posicionamento e tipo de c\u00f3digo para transformar cada cartaz num ponto de contacto digital rastre\u00e1vel.<\/p>","protected":false},"author":17,"featured_media":53860,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[8],"tags":[],"class_list":["post-2454","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-qr-codes-on"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.7 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Guidelines for Using QR Codes on Posters Effectively<\/title>\n<meta name=\"description\" content=\"Learn how to use QR codes on posters. This guide covers sizing, contrast, placement, and code type to turn every poster into a trackable digital touchpoint.\" \/>\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\/pt\/qr-codes-on\/posters\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Guidelines for Using QR Codes on Posters Effectively\" \/>\n<meta property=\"og:description\" content=\"Learn how to use QR codes on posters. This guide covers sizing, contrast, placement, and code type to turn every poster into a trackable digital touchpoint.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/pageloot.com\/pt\/qr-codes-on\/posters\/\" \/>\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=\"2019-04-28T19:03:53+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-29T10:15:23+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/04\/smartphone-scanning-078f6d-8ce6a3d73ac7.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"1024\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Siim T\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@getpageloot\" \/>\n<meta name=\"twitter:site\" content=\"@getpageloot\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Siim T\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/pageloot.com\\\/qr-codes-on\\\/posters\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/qr-codes-on\\\/posters\\\/\"},\"author\":{\"name\":\"Siim T\",\"@id\":\"https:\\\/\\\/pageloot.com\\\/es\\\/#\\\/schema\\\/person\\\/fa28992c2e52546f0812833bac852dfe\"},\"headline\":\"Guidelines for Using QR Codes on Posters Effectively\",\"datePublished\":\"2019-04-28T19:03:53+00:00\",\"dateModified\":\"2026-04-29T10:15:23+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/qr-codes-on\\\/posters\\\/\"},\"wordCount\":1298,\"publisher\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/es\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/qr-codes-on\\\/posters\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/pageloot.com\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/smartphone-scanning-078f6d-8ce6a3d73ac7.webp\",\"articleSection\":[\"Use cases\"],\"inLanguage\":\"pt\"},{\"@type\":[\"WebPage\",\"FAQPage\"],\"@id\":\"https:\\\/\\\/pageloot.com\\\/qr-codes-on\\\/posters\\\/\",\"url\":\"https:\\\/\\\/pageloot.com\\\/qr-codes-on\\\/posters\\\/\",\"name\":\"Guidelines for Using QR Codes on Posters Effectively\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/es\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/qr-codes-on\\\/posters\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/qr-codes-on\\\/posters\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/pageloot.com\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/smartphone-scanning-078f6d-8ce6a3d73ac7.webp\",\"datePublished\":\"2019-04-28T19:03:53+00:00\",\"dateModified\":\"2026-04-29T10:15:23+00:00\",\"description\":\"Learn how to use QR codes on posters. 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