What openlibrary.org is built with
Read on 2026-10-28 14:19. 3 technologies spotted.
| Technology | Category | Version | Confidence | Tell |
|---|---|---|---|---|
| Let's Encrypt | SSL/TLS certificate authorities | 100% | certIssuer: Let's Encrypt, YR1 | |
| Nginx | Web servers, Reverse proxies | 1.30.6 | 100% | headers server: nginx/1.30.6 |
| PWA | Miscellaneous | 100% | dom link[rel='manifest']: <link rel="manifest" href="/static/manifest.json?v=fbf2b3dc370d159ad53f12260ad27c9c"> |
Look up any site with GET /v1/lookup?domain=openlibrary.org. Start free.