Checkbox Captcha

This is a tiny and simple plugin that helps fight spam on your site. All it does is add a checkbox in the comment form. When checked, the submit butto

Author:Andrei Sangeorzan (profile at wordpress.org)
WordPress version required:
WordPress version tested:
Plugin version:1.0
Added to WordPress repository:01-06-2013
Last updated:10-06-2013
Warning! This plugin has not been updated in over 2 years. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.
Rating, %:100
Rated by:2
Plugin URI:http://huzze.net/
Total downloads:2 170
Active installs:100+
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This is a tiny and simple plugin that helps fight spam on your site. All it does is add a checkbox in the comment form. When checked, the submit button is disabled. It's less intrusive than a text based captcha.

I strongly recommend using it with Akismet. Nothing replaces that, really. But Akismet can still create a bit of database usage, when confronted with a lot of spam. This plugin intends to help Akismet by giving it less to do. The main idea is not mine. I found a similar feature in Contact Form 7, so a bit of credit goes there.

During testing this plugin seemed to work better than text-based captchas. For reference without any captcha I had around 1000 spam comments per hour, with reCAPTCHA around 200, but with this method there are only about 2-3 spam comments per hour.