What powers koeltgen.de?
Last seen Sep 2026 · 24 technologies across 18 categories
Analytics
CMS
Databases
Font scripts
Hosting panels
JavaScript libraries
Maps
Miscellaneous
Page builders
Performance
Photo galleries
Programming languages
Security
UI frameworks
Web servers
Webmail
WordPress plugins
WordPress themes
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
Content Signals:
search=yes ai-train=yes ai-input=yes declared in robots.txt
AI Crawlers
No AI crawlers blocked
Standards: llms.txt, Content Signals
Audience
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.41 / 10 · ranked #2,664,222 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- Weight: 0.5 MB · 49 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (18.197.248.23)
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 19,204,074, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| koeltgen.de | 17 |
| www.koeltgen.de | 12 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Duda Jul 2026
- detected HSTS Jul 2026
- detected Lodash Jul 2026
- detected MobX Jul 2026
- detected PhotoSwipe Jul 2026
- detected Priority Hints Jul 2026
- detected Snowplow Analytics Jul 2026
- dropped Webpack Mar 2026