Browser Support
All modern browsers are supported on mobile and desktop, all versions are at least 8 years old. This includes Safari, Edge, Chrome, Firefox, and Opera. Internet Explorer 11 may also work, but there are some side notes (see the section below).
Old browser speed
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Javascript engines in older browsers are often slower than modern browsers, and on very old browsers (>5 years) it may take up to a minute to load the CAPTCHA image and logic.
NoScript
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Users need to enable Javascript to defeat the CAPTCHA. We recommend adding a note for users who have Javascript disabled by default:
<noscript>Please enable JavaScript to use our features</noscript>Last updated on