What powers lfisv.de?
Last seen Sep 2026 · 36 technologies across 17 categories
Analytics
CDN
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Maps
Miscellaneous
Performance
Programming languages
Security
Video players
Webmail
Widgets
WordPress plugins
WordPress themes
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 75% phone
- 25% desktop
Germany
France
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.21 / 10 · ranked #3,075,673 of all domains
14 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: French (France)
- Weight: 31.6 MB · 191 requests
- WordPress theme: astra · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Lycée français international Simone Veil (Lycée français de Düsseldorf on Wikidata)
- Founded: 1962
- Country: Germany
- Profiles: Facebook, LinkedIn
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on o2switch (109.234.164.68)
- DNS: o2switch
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 17,522,618
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Twitter Emoji (Twemoji) Jan 2026
- dropped Isotope Nov 2025
- dropped Slick Nov 2025