What powers 
lelycee.org?
Last seen Sep 2026 · 38 technologies across 17 categories
Advertising
Analytics
CDN
Databases
Editors
Font scripts
Hosting
JavaScript libraries
Miscellaneous
PaaS
Performance
Programming languages
Security
Tag managers
Translation
Video players
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
- 65% desktop
- 35% phone
United States
France
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.51 / 10 · ranked #882,829 of all domains
52 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.1 s |
| INP | 75 ms |
| CLS | 0.4 |
| TTFB | 1900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 7.9 MB · 145 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Lycée Français de San Francisco
- Founded: 1967
- Country: United States
From Wikidata (CC0).
Infrastructure
- Hosted on Cloudflare (104.17.71.73)
- DNS: GoDaddy DNS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 2,228,453, 3 hosts
- Verified with: 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 VideoJS May 2026
- detected Priority Hints Mar 2026
- detected Htmx Nov 2025