What powers 
quba-viewer.org?
Last seen Sep 2026 · 23 technologies across 14 categories
Analytics
CMS
Cookie compliance
Databases
Font scripts
Hosting
JavaScript libraries
Marketing automation
Miscellaneous
Performance
Programming languages
Web servers
WordPress plugins
WordPress themes
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
- 100% desktop
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.61 / 10 · ranked #384,820 of all domains
76 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Registered Feb 2021 (5 years) via Vautron Rechenzentrum AG, renews Feb 2027
- Hosted on Hetzner (5.9.197.178)
- DNS: Hetzner
- Email: quba-viewer.org
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, expires Jan 2027
- Common Crawl link graph: rank 8,826,863, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Full technology history →
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Recent changes
- dropped Debian Aug 2026
- dropped Google Analytics Aug 2026
- dropped Jetpack Nov 2025