What powers 
crsc.fr?
Last seen Aug 2026 · 21 technologies across 14 categories
Analytics
Authentication
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Performance
Programming languages
UI frameworks
Video players
Web servers
WordPress plugins
AI Crawlers
Blocks 1 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Search and AI assistants
- PetalBot Blocked
The other 32 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
1 of 33 AI crawlers blocked
Standards: llms.txt
Audience
- 72% phone
- 28% desktop
France
Russia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #340,178 of all domains
62 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.2 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 2400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: French (France)
- Weight: 1.8 MB · 51 requests
- WordPress theme: avada (child: avada-child-theme) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Maison russe des sciences et de la culture à Paris (Russian Center for Science and Culture in Paris on Wikidata)
- Founded: 1995
- Country: France
- Profiles: Facebook, X, Instagram, YouTube
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on FORNEX-AS (2.58.66.179)
- Email: crsc.fr
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 767,141, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected WP Fastest Cache Feb 2026
- detected Google Analytics Dec 2025
- detected Site Kit Dec 2025