What powers 
rr0.org?
Last seen Oct 2026 · 4 technologies across 3 categories
Miscellaneous
Open Graph
since Sep 2023
PWA
since Nov 2022
PaaS
Netlify
since Jul 2022
Security
HSTS
since Sep 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
France
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.90 / 10 · ranked #652,442 of all domains
85 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: French
- CDN: Netlify
- Weight: 0.5 MB · 76 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (18.208.88.157)
- DNS: IBM NS1
- Email: Forward Email
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 466,847, 2 hosts
- Verified with: Forward Email, Google, OpenAI
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted