What powers esf-valthorens.com?
Last seen Oct 2026 · 11 technologies across 9 categories
Analytics
Hosting
JavaScript frameworks
Miscellaneous
PaaS
Programming languages
Security
Video players
Webmail
AI Crawlers
Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Oct 2026.
Training crawlers
- Applebot-Extended Allowed
- Bytespider Allowed
- CCBot Allowed
- ClaudeBot Allowed
- Google-Extended Allowed
- GPTBot Allowed
Search and AI assistants
- OAI-SearchBot Allowed
- PerplexityBot Allowed
The other 25 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
- Oct 2026 claude-web added to robots.txt
- Oct 2026 applebot-extended added to robots.txt
- Oct 2026 bytespider added to robots.txt
- Oct 2026 ccbot added to robots.txt
- Oct 2026 perplexitybot added to robots.txt
- Oct 2026 claudebot added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 68% phone
- 32% desktop
France
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.61 / 10 · ranked #2,301,000 of all domains
23 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 125 ms |
| CLS | 0.25 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: French
- CDN: Vercel
- Weight: 5.5 MB · 138 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (76.76.21.21)
- DNS: one.com
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 9,240,709
- Verified with: Google, Microsoft 365
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
- detected Open Graph Oct 2026
- dropped React Router Jan 2026