What powers 
commune1871.org?
Last seen Aug 2026 · 24 technologies across 14 categories
Analytics
CMS
Comment systems
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Maps
Miscellaneous
Operating systems
PaaS
Programming languages
UI frameworks
Web servers
AI Crawlers
Blocks 5 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- ClaudeBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
Search and AI assistants
- PerplexityBot Blocked
User-request fetchers
- ChatGPT-User Blocked
The other 28 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 chatgpt-user added to robots.txt
- Sep 2026 claude-web added to robots.txt
- Sep 2026 perplexitybot added to robots.txt
- Sep 2026 google-extended added to robots.txt
- Sep 2026 anthropic-ai added to robots.txt
- Sep 2026 gptbot added to robots.txt
AI Crawlers
5 of 33 AI crawlers blocked
Audience
- 54% desktop
- 46% phone
France
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.14 / 10 · ranked #485,592 of all domains
123 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 50 ms |
| CLS | 0.15 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: French (France)
- Weight: 4.0 MB · 44 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Les Amies et Amis de la Commune de Paris 1871
- Founded: 1882
- Sector: other voluntary membership organizations (France)
- Country: France
From Wikidata (CC0).
Infrastructure
- Hosted on OVHcloud (51.75.207.27)
- DNS: anycast.me
- Email: OVHcloud
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 615,999, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| parcours.commune1871.org | 17 |
| commune1871.org | 10 |
| www.commune1871.org | 9 |
Full technology history →
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Recent changes
- dropped Fourthwall May 2026
- dropped XWiki May 2026