What powers woelcke.de?
Last seen Aug 2026 · 7 technologies across 6 categories
Analytics
Hosting
IONOS
since Aug 2022
JavaScript libraries
Miscellaneous
Google Code Prettify
since Jan 2019
Web servers
Apache HTTP Server
since Jan 2019
Webmail
Microsoft 365
since Aug 2022
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 Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 66% phone
- 21% desktop
- 13% tablet
Germany
Austria
Switzerland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.80 / 10 · ranked #1,982,163 of all domains
24 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 1.5 MB · 62 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on IONOS (217.160.0.114, IPv6)
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record
- SSL: Sectigo, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 3,739,167, 2 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted