What powers 
zenngo.fr?
Last seen Sep 2026 · 20 technologies across 13 categories
Analytics
CMS
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Programming languages
Security
Tag managers
UI frameworks
Web servers
Widgets
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
- 77% phone
- 23% desktop
France
Belgium
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.46 / 10 · ranked #934,993 of all domains
24 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.6 s |
| INP | 125 ms |
| CLS | 0.05 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: French (France)
- Weight: 14.3 MB · 175 requests
- Structured data: JSON-LD, Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on OVHcloud (91.121.49.98)
- DNS: Gandi
- Email: Gandi
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 15,466,509, 3 hosts
- Verified with: Meta Business
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Ahoy Aug 2026
- dropped Ruby Aug 2026
- dropped Ruby on Rails Aug 2026
- detected Ahoy Apr 2026
- detected Ruby Apr 2026
- detected Ruby on Rails Apr 2026
- dropped Ahoy Nov 2025
- dropped Ruby Nov 2025
- dropped Ruby on Rails Nov 2025