Anti-bot CAPTCHA widget that helps digitize books by providing snippets of books for people to enter the text for.
This chart represents Recaptcha.net web usage trends over a historical time period on a large selection of website homepages queried by BuiltWith. See the FAQ for more information.
We know of 48,423 sites using Recaptcha.net, download website list.
The usage trends within the top million sites are updated once per week with the last update occurring on 05 Feb 2012.
For more information about Recaptcha.net visit http://recaptcha.net.
Recaptcha.net is most likely to be found in use on News, Technology or Social type websites.
Recaptcha.net Top Ten Website Industry Distribution in the Top 100,000 Sites
The chart shows the typical type of websites Recaptcha.net can be found on by distribution. We know of 28
categories that Recaptcha.net websites can be found on.
Company Information