What powers 
bibliotheken-nrw.de?
Last seen Aug 2026 · 13 technologies across 9 categories
CMS
Databases
MySQL
since Mar 2023
Font scripts
Google Font API
since May 2021
JavaScript libraries
Lightbox
since May 2021
Miscellaneous
Open Graph
since Mar 2023
Programming languages
PHP
since May 2021
SEO
UI frameworks
Bootstrap
since Mar 2023
Web servers
Apache HTTP Server
since May 2021
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
3.93 / 10 · ranked #625,962 of all domains
59 referring domains · OpenPageRank
Organisation
- Verband der Bibliotheken des Landes Nordrhein-Westfalen
- Founded: 1947
- Country: Germany
From Wikidata (CC0).
Infrastructure
- Hosted on Hetzner (176.9.42.47, IPv6)
- DNS: routing.net
- Email: routing.net
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 8,054,570, 3 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.bibliotheken-nrw.de | 9 |
| bibliotheken-nrw.de | 7 |
Full technology history →
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Recent changes
- detected jQuery Migrate May 2026