What powers 
fsrvi.de?
Last seen Mar 2026 · 18 technologies across 10 categories
CDN
Cloudflare
since Feb 2024
JavaScript frameworks
JavaScript libraries
Message boards
Miscellaneous
Programming languages
Security
HSTS
since Dec 2022
Static site generator
Web frameworks
Django
since Feb 2024
Ruby on Rails
since Jun 2020
Web servers
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 100% desktop
Pakistan
Bangladesh
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.16 / 10 · ranked #475,861 of all domains
110 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on IN-BERLIN-AS Individual Network Berlin e.V. (217.197.91.137, IPv6)
- DNS: Cloudflare DNS
- Email: fsrvi.de
- Email security: SPF (soft fail), no DMARC record, DNSSEC signed, CAA
- SSL: Let's Encrypt, ECDSA P256, expires Oct 2026
- Common Crawl link graph: rank 159,758, 8 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| discourse.fsrvi.de | 12 |
| seafile.fsrvi.de | 7 |
| fsrvi.de | 2 |