What powers 4cgroup.com?
Last seen Sep 2026 · 14 technologies across 11 categories
Documentation
Font scripts
Hosting
Hosting panels
JavaScript libraries
Miscellaneous
Performance
Programming languages
UI frameworks
Web servers
Webmail
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 77% desktop
- 23% phone
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.84 / 10 · ranked #1,886,618 of all domains
26 referring domains · OpenPageRank
Search traffic
57 est. monthly organic visits (US)
40 keywords in Google's top 30
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 12.4 MB · 38 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on IONOS (93.90.202.204)
- DNS: IONOS
- Email: Hornetsecurity
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 8,887,542, 2 hosts
- Verified with: Apple Business, Google, Meta Business, Miro
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 Priority Hints Aug 2026
- dropped Microsoft 365 Jun 2026