Originally published at: http://www.sitepoint.com/top-wordpress-anti-spam-plugins/
Spam is a constant annoyance for website developers and users. For websites, it usually comes in the form of unwanted messages repeatedly posted on your website. However, by using a plugin, spam can be easily handled by your WordPress website.
In this article, we compare the top WordPress anti-spam plugins side-by-side. Before we dig into the common options, let’s first look at some of the key features we’d expect to see in a good anti-spam plugin.
Key Anti-Spam Plugin Features to Look for
Trackback Validation consists of a filter that compares the client IP address of the incoming trackback against the IP address of the server. Basically identifying the link source. If both of them don’t match, then it is a spam.
Blocked Comment Logging Mode
This helps us to know what has been blocked. It is a temporary diagnostic mode which logs blocked comments for a week and then turns it off automatically. It’s a good way to get an idea on what you anti-spam plugin is doing.