What powers rsu.de?
Last seen Sep 2026 · 18 technologies across 10 categories
Ecommerce
Cart Functionality
since Feb 2022
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Performance
Priority Hints
since Sep 2024
Programming languages
PHP
since Sep 2021
TypeScript
since Jul 2021
Reverse proxies
Security
Webmail
Google Workspace
since Aug 2022
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 checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 69% phone
- 25% desktop
- 6% tablet
Germany
Austria
Netherlands
France
Poland
Italy
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.16 / 10 · ranked #1,326,342 of all domains
26 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.4 s |
| INP | 175 ms |
| CLS | 0.55 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- Weight: 1.5 MB · 73 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on TELENET-AS Bauhoferstr. 91 - 89077 Ulm (109.235.228.146)
- DNS: inwx.de
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 11,169,916, 3 hosts
- Verified with: Apple Business, Atlassian, Brevo, Google, Jamf
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| de.rsu.de | 18 |
| www.rsu.de | 11 |