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15% of sites4 technologies
CAPTCHA market share on brand websites
Challenges on forms and pages.
| # | Technology | UK brands | United Kingdom | Global |
|---|---|---|---|---|
| 1 | Google reCAPTCHA | 14% | 14% | 6.5% |
| 2 | hCaptcha | 5.3% | 4.1% | 1% |
| 3 | Cloudflare Turnstile | 0.7% | 1.4% | 1.2% |
| 4 | Friendly Captcha | 0.3% | 0.1% | 0.1% |
By site popularity
Share of measured sites in each Tranco popularity band that use the technology: the top 1,000, 10,000 and 100,000 sites and the whole top million.
| # | Technology | Top 1K | Top 10K | Top 100K | Top 1M |
|---|---|---|---|---|---|
| 1 | Google reCAPTCHA | 5.7% | 5.1% | 9.9% | 11% |
| 2 | hCaptcha | 0% | 0.7% | 1.6% | 3.4% |
| 3 | Cloudflare Turnstile | 0% | 0.7% | 0.4% | 0.6% |
| 4 | Friendly Captcha | 2.9% | 0.7% | 0.8% | 0.6% |
| Sites measured | 35 | 136 | 496 | 678 |
Our crawler: 1,277 sites · UK brands · updated 13 Nov 2026 · Methodology