What powers previer.de?
Last seen Sep 2026 · 8 technologies across 7 categories
Analytics
Etracker
since Sep 2026
Matomo Analytics
since Sep 2026
CMS
CoreMedia Content Cloud
since Sep 2026
JavaScript frameworks
Svelte
since Sep 2026
JavaScript libraries
Flickity
since Sep 2026
Security
HSTS
since Sep 2026
Video players
Web servers
Apache HTTP Server
since Sep 2026
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 89% phone
- 11% desktop
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.28 / 10 · ranked #64,800,016 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- Weight: 2.7 MB · 18 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on DGUV-AS (91.224.227.85)
- DNS: colt.net
- Email: cnuv.de
- Email security: SPF (hard fail), no DMARC record
- SSL: DigiCert, RSA 4096, expires Mar 2027
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted