What powers 
hra-hamburg.de?
Last seen Oct 2026 · 16 technologies across 10 categories
JavaScript frameworks
Vue.js
since Apr 2024
JavaScript libraries
Swiper
since Sep 2022
web-vitals
since Feb 2022
Miscellaneous
Open Graph
since Sep 2022
Operating systems
Ubuntu
since May 2021
Programming languages
Rich text editors
UI frameworks
Tailwind CSS
since Apr 2024
Video players
Plyr
since Dec 2020
Web frameworks
Laravel
since Apr 2024
Ruby on Rails
since Mar 2020
Web servers
Phusion Passenger
since Mar 2020
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 66% desktop
- 34% phone
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.43 / 10 · ranked #970,533 of all domains
38 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- Weight: 1.3 MB · 52 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Email: uni-hamburg.de
- Email security: SPF, DMARC reject
- SSL: Let's Encrypt, RSA 4096, expires Jan 2027
- Common Crawl link graph: rank 1,078,055, 3 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.hra-hamburg.de | 11 |
| tools.hra-hamburg.de | 6 |
Full technology history →
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