Anti-Spam

Our Picks

Start with the first one. It covers the broadest use case in this category. The others are strong alternatives for more specific needs.

Antispam Bee

Start here

4.8 700k+ Free

The best anti-spam plugin for privacy-conscious sites. It does one job, blocking comment spam, and does it without sending a single byte of visitor data to external servers. If comment spam is your main concern and GDPR compliance matters, this is the obvious choice.

Completely free, no premium tier, no restrictions, free for commercial use

Zero external data transmission, 100% GDPR compliant

Works out of the box with sensible defaults

Limited to comment and trackback spam only, no form protection

No AI or machine learning, relies on heuristics and patterns

WordPress.org

Country and language-based filtering

Endorsed by Matt Mullenweg

Cannot protect WooCommerce, registrations, or login pages

CleanTalk Anti-Spam

4.8 200k+ Free

The most comprehensive anti-spam solution at an incredibly low price. If you want spam protection across your entire site and not just comments, CleanTalk covers everything invisibly for less than the cost of a coffee per month.

Broadest coverage, protecting comments, forms, registrations, WooCommerce, and more

Completely invisible, no CAPTCHAs, no user friction

Claims 99.97% spam detection accuracy

No permanent free tier

Cloud-dependent, all data processed externally

WordPress.org

Exceptionally affordable at $12/year for a single site

Some past security advisories flagged by WPScan

Not ideal for strict GDPR setups (sends data to external servers)

WP Armour — Honeypot Anti Spam

5 300k+ from $19.99/year

The perfect supplementary anti-spam layer. WP Armour uses JavaScript-based honeypot fields that only bots can see, with zero friction for real users and zero data sent externally. Use it alongside Antispam Bee or CleanTalk for comprehensive protection.

Zero CAPTCHAs, completely invisible protection

Works with all major form plugins and page builders

GDPR compliant, no external data processing

Only catches automated bots, human spammers bypass it

Best used as a supplementary layer, not standalone protection

WordPress.org

Zero configuration needed

Unique honeypot per installation (harder for bots to learn)

Limited to form-based spam (doesn't filter comments independently)

Pro from from $19.99/year

Extended form builder support

Advanced honeypot configurations

Priority support

The Popular Alternatives

These plugins work and many sites rely on them. We're not saying they're bad. But their dominance often reflects distribution advantages as much as product quality. Understanding why matters.

Akismet 5M+

Pre-installed on every WordPress site, which accounts for much of its install base. Not free for commercial use ($100+/year). Sends all comment data to external servers, which raises GDPR questions for EU sites.

Think differently

A good honeypot + comment moderation handles most spam. Do you really need cloud-based filtering?

Full analysis

Comment spam and form spam are universal WordPress problems. Without protection, your database fills with junk, your comment sections become unreadable, and you waste hours on moderation.

Our general recommendation: The best anti-spam plugins work invisibly: no CAPTCHAs, no puzzles, no friction for real users. Look for plugins that use behavioral analysis or server-side heuristics rather than annoying challenges. Also consider privacy: some anti-spam services send all your visitor data to external servers, which creates GDPR compliance issues.

What about Akismet?

Akismet comes pre-installed with every WordPress site, which gives it a massive install base (5M+ sites). But it’s not free for commercial sites. Any business use requires a paid plan starting at $100/year. More importantly, Akismet sends all comment and form data to external servers for analysis, which is a GDPR concern for EU-based sites. It’s effective at filtering spam, but there are free, privacy-respecting alternatives that don’t require sending your visitors’ data to a third party.