What powers johann-wadephul.de?
Last seen Oct 2026 · 7 technologies across 7 categories
Analytics
CMS
Hosting
JavaScript libraries
Miscellaneous
Programming languages
Security
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 Oct 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.17 / 10 · ranked #1,309,663 of all domains
24 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- Weight: 4.2 MB · 72 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Deutsche Telekom (193.219.105.54)
- DNS: cdu.de
- Email: johann-wadephul.de
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 10,189,440
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted