CleanTalk plugin sends action parameters into the CleanTalk cloud.
Service analyzes the parameters.
If this is a visitor, the comment will be published. If it's a spam bot, then CleanTalk blocks this comment or registering.
Parameters are written to the log which can be viewed in the Control Panel service.
No Captcha, no questions, no puzzles, etc.
CleanTalk eliminates the need for CAPTCHA, questions&answers and other ways which use complicated communication methods for spam protection on your site. Invisible to the visitors, spam protection has a positive effect on the loyalty of the site's audience.
You need only 5-10 minutes to set up the CleanTalk plugin. Every plugin has detailed setup manual with screenshots of each stage of the installation.
Rude words protection for the site
A function of the service is censorship of abusive comments. Messages containing not normative lexicon, cursing and calling for ethnic hatred are automatically sent to manual moderation.