Dramatically reduce comment spam on your blog without using a captcha.
No, the plugin does not contact an external server so you don't need an account. It just sits on your server like a personal bodyguard that never gets tired.
No captcha or other visible item is added to your blog so nothing will look different. A hidden element is added to the comment form but this doesn't affect what the user sees. It also won't affect your existing WordPress comment settings such as whether administrator approval is required, etc.
It's not perfect so you may still get some spam comments coming through but these should be very few. It's designed to look for obvious signs of spam and it's pretty good at it (although I'm biased!) but it's also designed not to be too aggressive so it shouldn't block genuine comments.
No-captcha Spam Block is multi-talented and can block spam comments in any language, whatever language your website is in.