What powers gut-rosenkrantz.de?

Last seen Aug 2026 · 7 technologies across 7 categories

CMS

Contao
since Aug 2022

Hosting

Strato
since Aug 2022

JavaScript libraries

jQuery v3.6.0
since Aug 2022

Operating systems

UNIX
since Aug 2022

Programming languages

PHP v7.4.33
since Aug 2022

Web servers

Apache HTTP Server v2.4.68
since Aug 2022

Webmail

Microsoft 365
since Jul 2025

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 Sep 2026.

  • robots.txt found
  • llms.txt not checked
  • ai.txt not checked

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

Audience

  • Germany

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

3.07 / 10 · ranked #1,469,982 of all domains

25 referring domains · OpenPageRank

Core Web Vitals

LCP1.8 s
INP50 ms
CLS0
TTFB1100 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: English
  • Weight: 3.1 MB · 36 requests
  • Structured data: JSON-LD, Microdata

Homepage as crawled by the HTTP Archive, Sep 2026.

Infrastructure

  • DNS: STRATO
  • Email: Microsoft 365
  • Email security: SPF (hard fail), DMARC monitor only
  • SSL: Sectigo, RSA 2048, expires Mar 2027
  • Common Crawl link graph: rank 11,095,960
  • Verified with: Brevo, Microsoft 365

DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted

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