What powers rrk-online.de?
Last seen Sep 2026 · 12 technologies across 9 categories
Analytics
CDN
CMS
Editors
Font scripts
JavaScript libraries
Programming languages
Web servers
Widgets
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 87% phone
- 13% desktop
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.49 / 10 · ranked #2,513,931 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 250 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- Weight: 11.0 MB · 221 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Rüsselsheimer Ruder-Klub 08
- Founded: 1908
- Sector: sporting activities
- Country: Germany
From Wikidata (CC0).
Infrastructure
- Hosted on MITTWALD-AS Mittwald CM Service GmbH und Co. KG (185.227.115.189)
- DNS: domaindiscount24.net
- Email: no MX record returned
- Email security: SPF (soft fail)
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 1,479,519, 2 hosts
- Verified with: Google
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
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Recent changes
- detected Microsoft Word Apr 2026
- dropped Microsoft Word Feb 2026