Unfortunately, once your blog starts to attract a following your blog may soon become inundated with spam. Especially the comments section underneath each of your blog posts. While you may be tempted to change your blog’s settings to remove your comments sections, it’s a far better idea to use captcha tests to prevent spammers from hijacking your blog. How to keep your blog spam free with captcha: 1. Force your readers to correctly complete a captcha test each time that they attempt to post a comment on one of your