How to Disable HTML in WordPress Comments
By default, WordPress allows certain HTML tags within the comments such as <a> <em> <strong> etc. If you notice a lot of SPAM comments also contain these tags. Most SPAM comments are made by bots and scripts, which are using HTML tags. If you simply disable HTML from your WordPress comments, it can prevent a lot of SPAM. In this tutorial we will show you how you can disable HTML tags in your WordPress comments.