Send Comments With Links in the Name Field to Spam
Marks comments as spam when the name field contains a web address, a classic trick of spam bots.
Snippet Library
Comments snippets for WordPress
Snippets for WordPress comments: fight spam, close comments on old posts, remove the website field, change the comment form and moderate faster. For bloggers and publishers who want useful discussions without the noise.
Strip HTML From Comments
Removes all HTML tags from comments submitted by users who are not allowed to post unfiltered HTML, so links and formatting cannot be injected.