What powers 
lehmanns.ch?
Last seen Aug 2026 · 7 technologies across 6 categories
Analytics
Ecommerce
JavaScript libraries
Programming languages
Security
UI frameworks
AI Crawlers
Blocks 5 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- CCBot Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
- PetalBot Blocked
The other 28 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
5 of 33 AI crawlers blocked
Audience
- 56% phone
- 44% desktop
Switzerland
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.78 / 10 · ranked #268,750 of all domains
83 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 3.4 MB · 69 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on VERSATEL (89.246.237.41)
- DNS: lehmanns.de
- Email: lehmanns.de
- Email security: SPF (soft fail), DMARC monitor only, CAA
- SSL: DigiCert, RSA 2048, wildcard, expires Mar 2027
- Common Crawl link graph: rank 2,261,542, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted