What powers vfl-lehre.de?
Last seen Sep 2026 · 6 technologies across 5 categories
JavaScript libraries
Miscellaneous
Security
Web servers
Widgets
AI Crawlers
Blocks 3 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Bytespider Blocked
- GPTBot Blocked
- meta-externalagent Blocked
- ClaudeBot Allowed
The other 29 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
3 of 33 AI crawlers blocked
Standards: llms.txt
Audience
- 100% phone
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.90 / 10 · ranked #1,764,355 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| CLS | 0 |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- Weight: 4.2 MB · 50 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Hetzner (144.76.55.199, IPv6)
- DNS: first-ns.de
- Email: verwaltungsportal.de
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 296,567, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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