What 257.cz is built with
Read on 2026-10-28 14:26. 7 technologies spotted.
| Technology | Category | Version | Confidence | Tell |
|---|---|---|---|---|
| HSTS | Security | 100% | headers strict-transport-security: max-age=31536000; includeSubDomains; prel | |
| Let's Encrypt | SSL/TLS certificate authorities | 100% | certIssuer: Let's Encrypt, YR1 | |
| MathJax | JavaScript graphics | 100% | scriptSrc: x.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML | |
| Nginx | Web servers, Reverse proxies | 1.18.0 | 100% | headers server: nginx/1.18.0 (Ubuntu) |
| Ubuntu | Operating systems | 100% | headers server: nginx/1.18.0 (Ubuntu) | |
| jQuery | JavaScript libraries | 100% | scriptSrc: /theme/jquery.min.js | |
| jsDelivr | CDN | 100% | scriptSrc: https://cdn.jsdelivr.net/gh/google/code-prettify@master/loader/r |
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