What powers flex-fernschule.de?
Last seen Oct 2026 · 20 technologies across 14 categories
CMS
Databases
Font scripts
Hosting
JavaScript frameworks
JavaScript libraries
Miscellaneous
Mobile frameworks
Page builders
Performance
Programming languages
UI frameworks
Video players
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 found
- ai.txt not found
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
3.01 / 10 · ranked #1,573,759 of all domains
30 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- Weight: 1.1 MB · 34 requests
- WordPress theme: kalium (child: kalium-child) · all themes
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on GoDaddy (92.204.209.132)
- DNS: GoDaddy DNS
- Email: sophos.com
- Email security: SPF (hard fail), no DMARC record
- SSL: GoDaddy, RSA 2048, expires Apr 2027
- Common Crawl link graph: rank 10,277,128
- Verified with: Sophos
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Microsoft 365 Jun 2026
- dropped Borlabs Cookie Dec 2025
- detected Twitter Emoji (Twemoji) Dec 2025