What powers 
jara.org?
Last seen Sep 2026 · 9 technologies across 4 categories
Cookie compliance
Klaro
since Jun 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
PWA
since Aug 2022
Web servers
Apache HTTP Server
since Jul 2019
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
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.79 / 10 · ranked #719,945 of all domains
63 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 1.9 MB · 28 requests
- Structured data: JSON-LD, Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Jülich Aachen Research Alliance
- Country: Germany
From Wikidata (CC0).
Infrastructure
- Hosted on Hetzner (85.10.213.160, IPv6)
- DNS: dfn.de
- Email: rwth-aachen.de
- Email security: SPF (hard fail), DMARC reject, CAA
- SSL: Let's Encrypt, RSA 3072, expires Jan 2027
- Common Crawl link graph: rank 1,892,996, 4 hosts
- Verified with: GlobalSign
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted