What powers pro-com.org?
Last seen Sep 2026 · 13 technologies across 10 categories
Databases
Ecommerce
JavaScript libraries
Miscellaneous
Programming languages
Security
Tag managers
Web frameworks
Web servers
Webmail
AI Crawlers
Restricts 1 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- GPTBot Restricted
The other 32 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
1 of 33 AI crawlers restricted
Audience
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.10 / 10 · ranked #3,328,411 of all domains
13 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German (Germany)
- Weight: 2.1 MB · 55 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on PHH-AS (37.228.157.11)
- DNS: de-nserver.de
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 4096, expires Oct 2026
- Common Crawl link graph: rank 7,469,168
- Verified with: Google, Microsoft 365, Sophos
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Google Tag Manager May 2026
- detected MySQL Apr 2026
- detected Shopware Apr 2026
- detected Symfony Apr 2026
- dropped Apache HTTP Server Jan 2026
- detected Nginx Dec 2025