Websites using Altcha
1,739 websites in Sockt's data use Altcha. Altcha is a spam and abuse protection solution for websites and apps, offering a privacy-friendly Captcha and other tools designed with GDPR compliance to provide strong security while safeguarding user privacy.
- Websites
- 1,739
- Share of sites analysed
- <1%
- Most common TLD
- .de
- Data from
- Common Crawl CC-MAIN-2026-39
Captured 7 Aug 2026 to 17 Sep 2026
Top Altcha websites
The highest-ranked sites using Altcha, by site rank. The full list of 1,739 can be exported in Raq.com once Sockt opens.
By TLD
| TLD | Websites | Share | Bar |
|---|---|---|---|
| .de | 451 | 26% | |
| .com | 446 | 26% | |
| .fr | 124 | 7% | |
| .at | 111 | 6% | |
| .it | 65 | 4% | |
| .nl | 64 | 4% | |
| .org | 58 | 3% | |
| .uk | 56 | 3% | |
| .eu | 25 | 1% | |
| .net | 25 | 1% | |
| .be | 20 | 1% | |
| .ru | 20 | 1% |
Often used with Altcha
The share of Altcha sites that also use each technology.
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