What powers christoph-sieber.de?
Last seen Sep 2026 · 9 technologies across 6 categories
Hosting
Strato
since Aug 2022
JavaScript libraries
Maps
Google Maps
since Jul 2019
Operating systems
UNIX
since Jul 2019
Programming languages
Web servers
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 100% phone
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.34 / 10 · ranked #1,080,900 of all domains
49 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 8.8 MB · 85 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on STRATO (81.169.145.90, IPv6)
- DNS: STRATO
- Email: STRATO
- Email security: no SPF record, DMARC reject
- SSL: Sectigo, RSA 2048, expires Mar 2027
- Common Crawl link graph: rank 1,409,107, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted