Hi, I am new to WordPress.I need to add captcha in my site just before the comments section. Wherever there is comments, I need to display the captcha. I do not have a form. How can I do it?
Actually there are a lot of solution for this. Simply a google could answer you the whole. And also WordPress plugin repository could help you. But to pinpoint, you can use Plugins easily. Try anyone of them:
And also, Akismet is a very good plugin to get the spam out of a WordPress site. And the good news is: Akismet is freely distributed with WordPress.