If you don’t know what is re-Captcha, this article: What is re-Captcha might help you to get on foot before starting this easy implement guide to install re-CaptCha into your DNN Modules.

DotNetNuke users has long frustrated by the poor design of DotNetNuke Captcha which is has a critical flaw where the Captcha image will be cached in the server and never being refresh if you set the cache the module or the whole page. One of the common error is the DotNetNuke Captcha’s image not showing issue when the DotNetNuke has PageBlaster installed, it is a big trade off for a big site to lack of either one of them.

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