What powers jupedsim.org?
Last seen Oct 2026 · 9 technologies across 8 categories
Caching
Varnish
since Mar 2026
CDN
Fastly
since Mar 2026
Font scripts
Google Font API
since Apr 2026
JavaScript frameworks
React
since Apr 2026
Miscellaneous
PWA
since Apr 2026
Operating systems
Ubuntu
since Apr 2026
PaaS
GitHub Pages
since Mar 2026
Web servers
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026. A recent check saw a policy file missing; awaiting confirmation.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Open Page Rank
2.54 / 10 · ranked #2,419,795 of all domains
16 referring domains · OpenPageRank
Page
- Language: English
- Weight: 1.0 MB · 17 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Fastly (185.199.108.153, IPv6)
- DNS: ispone-business.de
- Email: adminflex.de
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 255,500, 3 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| app.jupedsim.org | 6 |
| www.jupedsim.org | 3 |