Turn on comment moderation to review and approve comments before they go live, preventing spam from cluttering your site.
Install reliable anti-spam plugins like Akismet to automatically filter and block spam comments.
Implementing CAPTCHA or reCAPTCHA adds an extra layer of security, ensuring that only genuine users can leave comments.
Mandate user registration to leave comments, adding a layer of accountability and deterring anonymous spam accounts.
Restrict the number of links users can include in their comments, deterring spammers looking for backlinks.
Keep your WordPress installation, themes, and plugins updated to patch vulnerabilities exploited by spammers.