What powers 
efcweb.org?
Last seen Jul 2026 · 7 technologies across 7 categories
Analytics
Matomo Analytics
since Jul 2026
JavaScript libraries
Miscellaneous
Popper
since Aug 2022
Security
HSTS
since Jul 2026
UI frameworks
Web servers
Webmail
Microsoft 365
since Feb 2023
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
4.16 / 10 · ranked #473,775 of all domains
83 referring domains · OpenPageRank
Infrastructure
- Hosted on Hetzner (136.243.116.20)
- DNS: schlundtech.de
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 2,082,362, 3 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected HSTS Jul 2026
- detected Matomo Analytics Jul 2026