Extension:KeyCAPTCHA

KeyCAPTCHA is a visual CAPTCHA extension that relies on KeyCAPTCHA's own website. Registration on the website is required, where one of four plans may be chosen. KeyCAPTCHA CAPTCHAs are jigsaw puzzles of images that only humans should be able to solve.

Options
KeyCAPTCHA is shown as either HTML5 or a Flash object, and it detects which to use automatically.
 * 1) You earn money by using KeyCAPTCHA. In this case KeyCAPTCHA pays you for ads in KeyCAPTCHA on your wiki.
 * 2) You pay KeyCAPTCHA for personal CAPTCHAs. In this case you can use your own images to create your own CAPTCHAs (containing your or third-party advertisement or without any ads) which will be displayed on your websites.
 * 3) Combination of 1 and 2.
 * 4) Free KeyCAPTCHA. In this case no money exchange occurs. If you choose this way, KeyCAPTCHA will display standard CAPTCHAs (without any ads) on your wikis.

Installation

 * 1) Register on and log-in to
 * 2) Add your site URL on "My Sites" page (note that you can add many sites to protect under the same account).
 * 3) Choose MediaWiki from "CMS" dropdown. Choose the version of your MediaWiki.
 * 4) Choose "Installation Instructions" in the right menu "Free Account".
 * 5) Follow KeyCAPTCHA installation instructions on the opened page.