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HUMAN (PerimeterX) alternatives
The 36 most used alternatives to HUMAN (PerimeterX), ranked by how many websites run them. Google reCAPTCHA leads with 3,022,685 sites; HUMAN (PerimeterX) itself is on 12,350.
| # | Tool | Websites | Also run HUMAN (PerimeterX) | ||
|---|---|---|---|---|---|
| 1 | Google reCAPTCHA | 3,022,685 | 290 | Compare | |
| 2 | Akismet | 261,350 | 0 | Compare | |
| 3 | Cloudflare Turnstile | 179,597 | 1 | Compare | |
| 4 | Wordfence | 167,669 | 0 | Compare | |
| 5 | CleanTalk | 138,386 | 3 | Compare | |
| 6 | TrustedSite | 106,398 | 0 | Compare | |
| 7 | Sign in with Google | 100,909 | 2 | Compare | |
| 8 | hCaptcha | 60,804 | 1 | Compare | |
| 9 | Imperva Incapsula | 25,436 | 1 | Compare | |
| 10 | ALTCHA | 14,952 | 0 | Compare | |
| 11 | Sift | 14,510 | 1 | Compare | |
| 12 | Friendly Captcha | 12,799 | 1 | Compare | |
| 13 | Fingerprint | 10,239 | 0 | Compare | |
| 14 | Clerk | 8,695 | 0 | Compare | |
| 15 | Firebase Authentication | 7,333 | 0 | Compare | |
| 16 | Sign in with Apple | 6,514 | 0 | Compare | |
| 17 | DataDome | 4,794 | 8 | Compare | |
| 18 | SiteLock | 4,332 | 0 | Compare | |
| 19 | DigiCert Site Seal | 2,810 | 4 | Compare | |
| 20 | Azure AD B2C | 2,530 | 1 | Compare | |
| 21 | GeeTest | 2,421 | 0 | Compare | |
| 22 | Amazon Cognito | 2,019 | 0 | Compare | |
| 23 | Kasada | 1,113 | 18 | Compare | |
| 24 | ThreatMetrix | 683 | 4 | Compare | |
| 25 | Forter | 585 | 7 | Compare | |
| 26 | iovation | 495 | 5 | Compare | |
| 27 | Okta | 468 | 1 | Compare | |
| 28 | MTCaptcha | 387 | 0 | Compare | |
| 29 | Magic | 376 | 0 | Compare | |
| 30 | AWS WAF | 363 | 1 | Compare | |
| 31 | Kount | 169 | 1 | Compare | |
| 32 | SEON | 169 | 0 | Compare | |
| 33 | Descope | 32 | 0 | Compare | |
| 34 | Arkose Labs | 19 | 0 | Compare | |
| 35 | Stytch | 9 | 0 | Compare | |
| 36 | Cloudflare Access | 7 | 0 | Compare |
Counts are websites whose homepage code loads the tool, in StackGrep's latest crawl.
Questions
What is the most popular HUMAN (PerimeterX) alternative?
Google reCAPTCHA, on 3,022,685 websites in our index. The table ranks every alternative we track by sites using it.
Do sites switch from HUMAN (PerimeterX)?
Some do. The "also run HUMAN (PerimeterX)" column counts sites that load both: often a switch in progress. Each tool's page lists its sites, and with an account you can download them.
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