What powers 
vonroll-hydro.world?
Last seen Sep 2026 · 21 technologies across 12 categories
Analytics
CDN
CMS
Ecommerce
JavaScript frameworks
JavaScript libraries
Marketing automation
Miscellaneous
Programming languages
Security
Tag managers
Video players
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
- 70% desktop
- 30% phone
Switzerland
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.89 / 10 · ranked #656,387 of all domains
39 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 6.0 MB · 70 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on CYON (149.126.4.151)
- DNS: microsoftonline.com
- Email: Proofpoint Essentials
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 7,873,850, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Apache HTTP Server Sep 2026
- dropped Twitter typeahead.js Sep 2026
- detected core-js Aug 2026
- detected HSTS Aug 2026
- detected MediaElement.js Aug 2026
- dropped Microsoft 365 May 2026