What powers cdg21.fr?
Last seen Oct 2026 · 6 technologies across 6 categories
Analytics
CMS
JavaScript frameworks
Miscellaneous
Programming languages
Webmail
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 54% desktop
- 46% phone
France
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.09 / 10 · ranked #1,434,080 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 250 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: French (France)
- Weight: 0.4 MB · 40 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on o2switch (109.234.165.57)
- DNS: o2switch
- Email: Microsoft 365
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 17,511,440, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted