What powers 
skischule-arosa.ch?
Last seen Sep 2026 · 12 technologies across 9 categories
CMS
Hosting
JavaScript frameworks
JavaScript libraries
Miscellaneous
Programming languages
Security
UI frameworks
Web servers
AI Crawlers
Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Sep 2026.
Training crawlers
- Applebot-Extended Allowed
- ClaudeBot Allowed
- Google-Extended Allowed
- GPTBot Allowed
- meta-externalagent Allowed
Search and AI assistants
- Amazonbot Allowed
- Applebot Allowed
- Claude-SearchBot Allowed
- OAI-SearchBot Allowed
- PerplexityBot Allowed
User-request fetchers
- ChatGPT-User Allowed
- Claude-User Allowed
- meta-externalfetcher Allowed
- Perplexity-User Allowed
The other 19 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- ai.txt not found
- Sep 2026 oai-searchbot added to robots.txt
- Sep 2026 claude-searchbot added to robots.txt
- Sep 2026 claude-user added to robots.txt
- Sep 2026 chatgpt-user added to robots.txt
- Sep 2026 amazonbot added to robots.txt
- Sep 2026 anthropic-ai added to robots.txt
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
Switzerland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.54 / 10 · ranked #852,972 of all domains
23 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 1.7 MB · 38 requests
- Structured data: Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (216.150.1.1)
- DNS: hostpoint.ch
- Email: mailstation.ch
- Email security: SPF, no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 13,711,523
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted