What powers 
f1online.de?
Last seen Oct 2026 · 10 technologies across 9 categories
Analytics
JavaScript libraries
Marketing automation
Miscellaneous
Performance
Programming languages
Security
Web servers
AI Crawlers
Blocks 8 of 33 AI crawlers we track by name in its robots.txt, restricts 2 more. Checked Nov 2026.
Training crawlers
- Bytespider Blocked
- CCBot Blocked
- cohere-training-data-crawler Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- PerplexityBot Blocked
- PetalBot Blocked
- YouBot Blocked
- OAI-SearchBot Restricted
User-request fetchers
- ChatGPT-User Restricted
The other 23 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Nov 2026 youbot added to robots.txt
- Nov 2026 chatgpt-user: Restricted (was Allowed)
- Nov 2026 oai-searchbot: Restricted (was Allowed)
AI Crawlers
8 of 33 AI crawlers blocked
Audience
- 73% phone
- 21% desktop
- 6% tablet
Germany
United Kingdom
France
United States
Italy
Spain
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.10 / 10 · ranked #505,686 of all domains
67 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Weight: 1.1 MB · 25 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Hetzner (188.40.19.241)
- DNS: inwx.de
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 4096, expires Jan 2027
- Common Crawl link graph: rank 698,775, 5 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped Bootstrap Sep 2026
- dropped jQuery UI Sep 2026
- detected Open Graph Jul 2026
- dropped Google Hosted Libraries May 2026
- dropped Ubuntu May 2026