What powers 
ecref.eu?
Last seen Oct 2026 · 11 technologies across 9 categories
CMS
Hosting
JavaScript libraries
Miscellaneous
Programming languages
UI frameworks
Web servers
Webmail
Widgets
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 53% desktop
- 48% phone
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.01 / 10 · ranked #558,579 of all domains
46 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German (Germany)
- Weight: 1.7 MB · 67 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- ECREF
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on IONOS (217.160.0.86, IPv6)
- DNS: IONOS
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Sectigo, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 2,662,361, 3 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Animate.css Sep 2026
- detected Microsoft 365 Jul 2026
- dropped core-js Apr 2026
- dropped React Apr 2026
- dropped styled-components Apr 2026
- dropped Cloudflare Mar 2026
- dropped Cloudflare Bot Management Mar 2026