WordPress Step by Step captcha tutorial.
This is a step by step tutorial on how to add a captcha to a WordPress site.
Adding a captcha is important to a WordPress site when it comes to security. It is the best way to prevent spam-bots which are sure to try and gain access to your site. Spams add a challenge to your login and registration forms.
Let us look at how to add captchas using the following great wordpress plugins: