防止垃圾评论插件,点击正确的图形提交评论,仿"Clickcha"(Click on the Right picture to submit comments,to prevent spam comme
No spam in comments. blocked by Invisible internal token-code with ajax.This is not used CAPTCHA.
Spam BLIP stops comment spam before it is posted, using DNS blacklists, existing comments marked as spam, and user defined lists.
Prevents automated SPAM by requiring visitors to answer a question of your choosing (plaintext or regex).
O RLY Comment Spam Search creates a quick link to make sure comments aren't spam.
Add an easy-to-use spam filter to your comment form.
Civil Comments is a subscription service that lets you host civil discussions and debates on your site without the usual spam, harassment, and abuse.
Convatic is a revolutionary social commenting system for websites. This plugin overlays and plays nicely with themes and other plugins. Convatic promo
This plugin will stop comments spam entirely, for free. It requires all users to connect their verified RubyID account before they can post a comment.
WP True Typed is an anti-spam plugin to protect your site from comment spam.