What captcha.com is built with
Read on 2026-10-28 19:00. 7 technologies spotted.
| Technology | Category | Version | Confidence | Tell |
|---|---|---|---|---|
| Apache HTTP Server | Web servers | 2.4.68 | 100% | headers server: Apache/2.4.68 (Debian) |
| Debian | Operating systems | 100% | headers server: Apache/2.4.68 (Debian) | |
| HSTS | Security | 100% | headers strict-transport-security: max-age=63072000; includeSubDomains | |
| Hetzner | Hosting, PaaS | 100% | dns NS: hydrogen.ns.hetzner.com | |
| Let's Encrypt | SSL/TLS certificate authorities | 100% | certIssuer: Let's Encrypt, YR2 | |
| PHP | Programming languages | 100% | cookies phpsessid: o3tq65itgm5ala9nnubu58uj6q | |
| jQuery | JavaScript libraries | 1.11.1 | 100% | scriptSrc: script/jquery-1.11.1.min.js |
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