{"id":115,"date":"2022-05-10T17:25:01","date_gmt":"2022-05-10T17:25:01","guid":{"rendered":"https:\/\/digitaldocumentation.wustl.edu\/web-design-system-documentation\/?page_id=46"},"modified":"2024-09-23T16:33:29","modified_gmt":"2024-09-23T16:33:29","slug":"captcha","status":"publish","type":"page","link":"https:\/\/digitaldocumentation.wustl.edu\/commencement\/web-best-practices-guidelines\/forms-2\/captcha\/","title":{"rendered":"CAPTCHAS"},"content":{"rendered":"\n<p class=\"is-style-lead\">Avoid using CAPTCHAs when possible.<\/p>\n\n\n\n<p>A CAPTCHA is an attempt to stop nonhuman users (bots) from interacting with website forms by requiring the user to perform a task that a bot wouldn\u2019t be able to complete. While CAPTCHAs are generally effective at stopping spam, they are not accessible to all users; they prevent some human users from completing the form.<\/p>\n\n\n\n<p>The Washington University web standard is to avoid using CAPTCHAs.<\/p>\n\n\n\n<p>However, in circumstances when a form is attracting troublesome amounts of fake submissions, stopping spam entries may outweigh the accessibility and user experience disadvantages of using a CAPTCHA. Formidable Forms, the form solution primarily used by the WashU digital team, provides reCAPTCHA as an option. While it is still better to avoid using a CAPTCHA at all if possible, reCAPTCHA is somewhat more accessible than many other CAPTCHA offerings and is a free service from Google.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Additional perspectives on CAPTCHA accessibility<\/h3>\n\n\n\n<ul><li><a href=\"https:\/\/www.w3.org\/TR\/turingtest\/\">Inaccessibility of CAPTCHA \u2013 W3C Working Group<\/a><\/li><li><a href=\"https:\/\/accessibility.psu.edu\/captcha\/\">CAPTCHAs \u2013 Penn State Accessibility<\/a><\/li><li><a href=\"https:\/\/a11y-guidelines.orange.com\/en\/articles\/captcha-accessibility\/\">CAPTCHA Accessibility \u2013 Orange Digital Accessibility<\/a><\/li><\/ul>\n\n\n\n<p>Fun fact: \u201cCAPTCHA\u201d is an acronym for \u201cCompletely Automated Public Turing test to tell Computers and Humans Apart.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Avoid using CAPTCHAs when possible. A CAPTCHA is an attempt to stop nonhuman users (bots) from interacting with website forms by requiring the user to perform a task that a bot wouldn\u2019t be able to complete. While CAPTCHAs are generally effective at stopping spam, they are not accessible to all users; they prevent some human [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"parent":123,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.14 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>CAPTCHAS - Commencement<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CAPTCHAS - Commencement\" \/>\n<meta property=\"og:description\" content=\"Avoid using CAPTCHAs when possible. A CAPTCHA is an attempt to stop nonhuman users (bots) from interacting with website forms by requiring the user to perform a task that a bot wouldn\u2019t be able to complete. 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