What powers zeissikonveb.de?
Last seen Sep 2026 · 9 technologies across 9 categories
Caching
Varnish
since May 2020
Font scripts
Google Font API
since May 2020
Hosting
One.com
since Aug 2022
Load balancers
Amazon ALB
since Sep 2022
Miscellaneous
Open Graph
since Sep 2022
PaaS
Amazon Web Services
since Sep 2022
Video players
YouTube
since May 2020
Web frameworks
Microsoft ASP.NET
since Nov 2025
Web servers
Apache HTTP Server
since May 2020
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 56% phone
- 44% desktop
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.75 / 10 · ranked #2,090,202 of all domains
23 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- Weight: 3.1 MB · 53 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on one.com (46.30.215.84, IPv6)
- DNS: one.com
- Email: one.com
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 932,999, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Amazon ALB Nov 2025
- detected Amazon Web Services Nov 2025
- detected Microsoft ASP.NET Nov 2025