What powers 
karlsruhe-basel.de?
Last seen Sep 2026 · 8 technologies across 7 categories
Analytics
Cookie compliance
JavaScript libraries
Miscellaneous
Security
Tag managers
Web servers
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
- 81% phone
- 19% desktop
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.80 / 10 · ranked #715,428 of all domains
52 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 26.3 MB · 80 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on ISPONE (84.38.64.184)
- DNS: eurodns.eu
- Email: prpetuum.de
- Email security: SPF (hard fail), DMARC reject
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 827,938, 4 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| newsletter.karlsruhe-basel.de | 7 |
| www.karlsruhe-basel.de | 5 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Amazon ALB Jun 2026
- dropped Amazon Web Services Jun 2026
- detected HSTS Mar 2026