PluginScout

Best WordPress CAPTCHA Plugins in 2026

Data from WordPress.org Updated First published 5 min read

Challenges on forms and logins, from invisible scoring to picture puzzles.

A CAPTCHA plugin puts a test between a form and the thing it triggers. The modern ones try to make that test invisible, scoring behaviour in the background and only interrupting when the score is bad, which is the difference worth caring about.

Together these 10 plugins run on more than 1,870,000 active WordPress sites. Ranked from both WordPress.org orderings for "captcha", its tag listing and its search results.

On this page
  1. Best for each measure
  2. Quick comparison
  3. The top 10
  4. What moved
  5. How to choose
  6. Head-to-head
  7. How this list is ranked
  8. FAQ
  9. Conclusion
  10. Other rankings

Best CAPTCHA Plugin for each measure

One plugin per measure, taken from the same WordPress.org figures as the ranking. A measure with nothing behind it is left out rather than guessed.

Most installed
SiteGuard

500,000+, active installs reported by WordPress.org

Highest rated
CleanTalk Anti-Spam

4.8 out of 5, from 3,219 reviews, counting only plugins with at least 50

Most reviewed
CleanTalk Anti-Spam

3,219 reviews, the largest body of feedback behind a score

Most recently updated
CleanTalk Anti-Spam

October 21, 2026, the latest release in this list

Longest established
Really Simple CAPTCHA

March 10, 2009, first published on WordPress.org

Best support record
CleanTalk Anti-Spam

66 of 66 resolved, recent threads on the WordPress.org support forum

Most languages
Advanced Google reCAPTCHA

13 languages, translated to 90% or more on translate.wordpress.org

CAPTCHA Plugins compared: rating, reviews, installs

# Plugin Rating Reviews Active installs
1 Really Simple CAPTCHA 4.2 131 300,000+
2 Simple CAPTCHA with Cloudflare Turnstile 4.6 259 200,000+
3 CleanTalk Anti-Spam 4.8 3,219 200,000+
4 Captcha Code 3.9 35 100,000+
5 reCaptcha by BestWebSoft 3.9 391 100,000+
6 HookAndHook 4.7 49 70,000+
7 CAPTCHA 4WP 3.2 269 100,000+
8 LukasApps CAPTCHA tools for Contact Form 7 4.1 48 100,000+
9 Advanced Google reCAPTCHA 4.8 430 200,000+
10 SiteGuard 4.3 15 500,000+

The 10 best CAPTCHA Plugins, ranked by WordPress.org

Ranked from both WordPress.org orderings for "captcha", its tag listing and its search results. Arrows show movement against the previous snapshot.

  1. 4.2 (131) 300,000+ active installs Updated Aug 23, 2026 Tested up to 7.1.3

    Really Simple CAPTCHA is a CAPTCHA module intended to be called from other plugins. It is originally created for my Contact Form 7 plugin.

    25,534 downloads in 30 days
  2. 4.6 (259) 200,000+ active installs Updated Sep 29, 2026 Tested up to 7.1.3

    Add Cloudflare Turnstile to WordPress, WooCommerce, Contact Forms & more. The user-friendly, privacy-preserving reCAPTCHA alternative. 100% free!

    190,673 downloads in 30 days
  3. CleanTalk Anti-Spam – Complete Spam Protection

    4.8 (3,219) 200,000+ active installs Updated Oct 21, 2026 Tested up to 7.1.3

    Advanced antispam for comments, registrations, contact forms, WooCommerce, plus email validation and protection. We catch spam others miss!

    429,496 downloads in 30 days
  4. 3.9 (35) 100,000+ active installs Updated Sep 21, 2026 Tested up to 7.1.3

    GDPR compatible captcha anti-spam protection for login form, comments form, registration form & lost password form. Eliminate spam with captcha.

    36,902 downloads in 30 days
  5. 3.9 (391) 100,000+ active installs Updated Apr 24, 2026 Tested up to 7.0.7

    Protect WordPress website forms from spam entries with Google reCAPTCHA.

    12,285 downloads in 30 days
  6. Image CAPTCHA for Contact Form 7 and WPForms by HookAndHook (DSGVO/GDPR)

    4.7 (49) 70,000+ active installs Updated Aug 24, 2026 Tested up to 7.1.3

    Adds an Image CAPTCHA to Contact Form 7 and WPForms, GDPR ready, perfect WPForms or Contact Form 7 Spam Protection Image CAPTCHA, adds a honeypot

    8,523 downloads in 30 days
  7. CAPTCHA 4WP – Antispam CAPTCHA solution for WordPress

    3.2 (269) 100,000+ active installs Updated Aug 25, 2026 Tested up to 7.1.3

    Use CAPTCHA to stop spam and allow customers & users to interact with your website easily. Block fake accounts and orders. Avoid false positives.

    16,122 downloads in 30 days
  8. 4.1 (48) 100,000+ active installs Updated Sep 24, 2026 Tested up to 7.1.3

    Protect Contact Form 7 forms from spam with Google reCAPTCHA v2, reCAPTCHA v3, hCaptcha or Cloudflare Turnstile.

    51,139 downloads in 30 days
  9. 4.8 (430) 200,000+ active installs Updated Oct 6, 2026 Tested up to 7.1.3

    Captcha protection against spam comments & brute force login attacks using Google reCAPTCHA.

    246,222 downloads in 30 days
  10. SiteGuard WP Plugin

    4.3 (15) 500,000+ active installs Updated Aug 19, 2026 Tested up to 7.1.3

    Adds WordPress login and admin protections, including CAPTCHA, login lock, login alerts, renamed login URLs, and SiteGuard WAF tuning support.

    62,850 downloads in 30 days

What changed in the CAPTCHA Plugins ranking

How to choose a CAPTCHA Plugin for WordPress

  1. 1

    Invisible beats visible

    Scoring services and challenge widgets that usually pass silently cost the visitor nothing. Reach for pictures of traffic lights only when they do not work.

  2. 2

    Check where the check happens

    Services send visitor signals to a third party. Some send more than others, and one of them is owned by an advertising company. That is a privacy decision.

  3. 3

    Confirm your forms are supported

    A CAPTCHA plugin is useless if it cannot hook into the form, login and comment box you actually run. Check the integration list first.

  4. 4

    Watch what it does to accessibility

    Image puzzles and distorted text exclude people. If you must use a visible challenge, pick one with a working audio or non-visual path.

CAPTCHA Plugin comparisons: side by side

The top four against each other on installs, ratings, reviews and updates. Each measure names its own leader; there is no overall winner.

How we rank CAPTCHA Plugins

WordPress.org publishes two orderings for "captcha" and neither is reliable alone. The tag listing covers every tag the directory files these plugins under, "captcha", "recaptcha", "hcaptcha" and "turnstile", and is sorted by active installs, which lets a large plugin carrying one of them loosely sit above the ones the category is about. Its search results are sorted by relevance and carry their own noise. So a plugin is placed here by where it sits across both lists: high in each one lifts it, high in only one does not. We fetch both every day at 03:00 UTC, keep every day's snapshot, and add nothing of our own. No plugin is inserted, removed or sponsored, and each entry shows its position in both lists on its own page. Full methodology.

CAPTCHA Plugins FAQ

What is the best CAPTCHA Plugin for WordPress?

On WordPress.org's own ranking for "captcha", Really Simple CAPTCHA is #1 as of October 22, 2026, with 300,000+ active installs and a 4.2 out of 5 rating. By active installs, SiteGuard leads with 500,000+. By rating, CleanTalk Anti-Spam scores 4.8 out of 5 from 3,219 reviews.

Which CAPTCHA Plugin has the most active installs?

SiteGuard, with 500,000+ active installs reported by WordPress.org as of October 22, 2026. It ranks #10 in this list.

Which CAPTCHA Plugin has the highest rating?

CleanTalk Anti-Spam, rated 4.8 out of 5 by 3,219 reviewers on WordPress.org. Only plugins with at least 50 reviews are counted, so a single 5-star review does not win.

Which CAPTCHA Plugin was updated most recently?

CleanTalk Anti-Spam shipped its latest release on October 21, 2026. 9 of the 10 plugins in this list were updated in the last 90 days, which is the usual sign of active maintenance.

How many CAPTCHA Plugins are there on WordPress.org?

WordPress.org lists 372 plugins tagged "captcha", "recaptcha", "hcaptcha" and "turnstile" as of October 22, 2026. This page shows the top 10 in the directory's own order.

Do I need a CAPTCHA if I already run an anti-spam plugin?

Usually not. A honeypot and a scoring filter stop most automated submissions without asking the visitor for anything. A CAPTCHA earns its place when a specific form is being targeted directly, which shows up as spam arriving despite the filter rather than as general noise.

Which CAPTCHA is least annoying for visitors?

The ones that verify in the background and only challenge on a bad signal. Widgets that tick a box silently, or verify with no interaction at all, cost a visitor nothing on a normal visit. Distorted text and image grids are the slowest and the least accessible.

CAPTCHA Plugins: the bottom line

As of October 22, 2026, Really Simple CAPTCHA holds the #1 spot for "captcha" on WordPress.org, followed by Simple CAPTCHA with Cloudflare Turnstile and CleanTalk Anti-Spam. If install base matters most, SiteGuard leads with 500,000+ active installs. If ratings matter most, CleanTalk Anti-Spam scores 4.8 out of 5 across 3,219 reviews.

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