What powers blindow.de?
Last seen Aug 2026 · 18 technologies across 12 categories
Advertising
Analytics
CMS
Cookie compliance
JavaScript frameworks
JavaScript libraries
Programming languages
Tag managers
UI frameworks
Video players
Web servers
Webmail
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 82% phone
- 14% desktop
- 4% tablet
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #343,379 of all domains
92 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 4.4 MB · 126 requests
- Structured data: JSON-LD, Microdata
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Bernd Blindow Gruppe
- Industry: Education (declares
EducationalOrganization)
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on ARTFILES-AS Artfiles New Media GmbH (212.77.240.58)
- DNS: x-scripter.com
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Sectigo, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 10,358,098, 7 hosts
- Verified with: Adobe, Apple Business, Google, Meta Business, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted