Available Reports
Last Update
April, 2026
Scan & Monitor
Security Profile
- Live site
- Secure connection (HTTPS)
- No outdated techologies detected
Social Media
Twitter: OpenLibrary
openlibrary.org
website information and technology stackNote: This page displays technologies detected on openlibrary.org subdomain only.
To view technologies identified across all subdomains of the openlibrary.org domain,
please refer to the Aggregated View.
| Web technologies detected on this domain | 14 technologies |
| Web technologies detected across all openlibrary.org subdomains | 36 technologies |
| Website rank | 1,184 |
| Website Location |  United States |
| Language | English |
| Domain Forwarding | 17websites redirects to openlibrary.org |
| Last technology update | April, 2026 |
| Added technologies in the last 3 months | 1 |
| Total openlibrary.org subdomain count | 4 subdomains |
| Top ranking subdomain | |
| IP Address | 207.241.234.205 |
| Reverse IP | 4 websites share 207.241.234.205 IP address. |
| Autonomous System Number (ASN) | AS7941 (INTERNET-ARCHIVE) |
| Total linking domains | 2,023 domains |
| Total linking IP | 1,761 IPs |
| Certificate Issuer | Let's Encrypt |
Technology Stack
A snapshot of the most notable technologies used on the openlibrary.org website. This is a partial list only. Click below to view the full technology stack with complete details.| Technology Type | Technology | First detected | Last detected |
|---|---|---|---|
| Form Builders |  Google Forms | November, 2025 | April, 2026 |
| Team Collaboration |  Google Workspace | November, 2025 | April, 2026 |
| Web Servers |  Nginx 1.28.3 | April, 2026 | April, 2026 |
Change History
List of recent detected changes in the technological composition of the openlibrary.org domain| Technology | Technology Type | Version | Change | Date |
|---|---|---|---|---|
| Nginx | Web Servers | 1.28.3 | Upgrade from 1.28.2 to 1.28.3 | Apr, 2026 |
| Widgets | Added | Mar, 2026 | ||
| Nginx | Web Servers | 1.28.2 | Upgrade from 1.28.1 to 1.28.2 | Mar, 2026 |
| Nginx | Web Servers | 1.28.1 | Upgrade from 1.28 to 1.28.1 | Feb, 2026 |
| Tag Managers | Added | Dec, 2025 |
Uncommon response headers
List of uncommon response headers that were used by the website.| Header | Value |
|---|---|
| Referrer-Policy | no-referrer-when-downgrade |
| Server | nginx/1.28.3 |
| x-ol-stats | "MC 1 0.003 TT 0 0.004" |