What powers fir.de?
Last seen Jun 2026 · 7 technologies across 6 categories
Analytics
Matomo Analytics
since Aug 2024
JavaScript libraries
Miscellaneous
RSS
since Aug 2024
Programming languages
PHP
since Aug 2024
Security
HSTS
since Aug 2024
Web servers
AI Crawlers
Blocks 5 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Bytespider Blocked
- ClaudeBot Blocked
- GPTBot Blocked
- ImagesiftBot Blocked
Search and AI assistants
- Amazonbot Blocked
The other 28 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
5 of 33 AI crawlers blocked
Open Page Rank
5.34 / 10 · ranked #179,413 of all domains
73 referring domains · OpenPageRank
Infrastructure
- Hosted on RWTH-AS (134.130.93.45)
- Email: no MX record returned
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 541,348, 237 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted