You might be asking yourself how to prevent spam on WordPress sites. Spam is blocked automatically so that you don’t need to sift through lots of notifications to locate genuine trackbacks, comments or site registrations. If it comes to trackback spam, sometimes you just need to have a look at the link the trackback originates from. There are may ways to combat comment spam, but should you not have the time to deal with the ever growing number of spam comments, then there’s always a choice to block spam comments using CAPTCHA technique. You’ll have to install the plugin in your website and visit the plugin website and find an API key. The plugin analyzes every comment that’s submitted to[…]