Sites using captcha.eu
European privacy focused CAPTCHA and bot protection widget for web forms.
Found via: StackScope Discovery (Indie) 1 · StackScope Wider Web 2
captcha.eu has been detected on 3 launches since first appearing in August 2026. Most recent detection: endooOrganize - Inventarisierung für Schulen, 6 days ago.
Share of new sites using captcha.eu
Each dot is one launch day. Line is the 7-day rolling average. Chart starts at first detection.
Captcha leaders
| Tool | % of launches | % of category | ||
|---|---|---|---|---|
| #1 | – |
Cloudflare Turnstile
|
1.26% | 94.01% |
| #2 | – |
hCaptcha
|
0.08% | 6.02% |
| #3 | – |
Friendly Captcha
|
<0.01% | 0.32% |
| #4 | – |
DS CF7 Math Captcha
|
<0.01% | 0.19% |
| #5 | ▲11 | TNcode | <0.01% | 0.12% |
| … | ||||
| #25 |
captcha.eu
Current page
|
<0.01% | 0.01% | |
Percentages show adoption among indie launches: the share of all analysed launches, and of launches using any Captcha tool. All 39 in Captcha →
Recent launches we can show
1 of the 3 sites using captcha.eu are product launches we list individually. The other 2 are sites we found crawling the wider web: they count towards the figures above, but we do not publish them one by one. How StackScope Discovery works
The StackScope API serves all 3 sites using captcha.eu, filterable and exportable, from £15 a month.