What powers sommer-informatik.com?
Last seen Aug 2026 · 39 technologies across 19 categories
Analytics
CMS
Databases
Ecommerce
Font scripts
JavaScript libraries
Miscellaneous
Mobile frameworks
Operating systems
Page builders
Payment processors
Performance
Programming languages
Reviews
Tag managers
UI frameworks
Video players
Web servers
WordPress plugins
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. A recent check saw a policy file missing; awaiting confirmation.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 66% desktop
- 34% phone
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.64 / 10 · ranked #5,353,100 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.4 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 2300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German (Germany)
- CDN: Google
- Weight: 16.2 MB · 128 requests
- WordPress theme: hello-elementor · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Sommer Informatik GmbH
From the homepage's own structured data (Sep 2026).
Infrastructure
- Email: ronet.de
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 28,479,756, 25 hosts
- Verified with: Firebase
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| shop.sommer-informatik.com | 29 |
| www.sommer-informatik.com | 24 |
| apps.sommer-informatik.com | 2 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Three.js Jul 2026
- detected MediaElement.js Dec 2025
- detected Priority Hints Nov 2025
- detected Three.js Nov 2025