What powers 
islux.lu?
Last seen Aug 2026 · 33 technologies across 18 categories
Analytics
CDN
Cookie compliance
Databases
Editors
Font scripts
JavaScript Frameworks
JavaScript libraries
Miscellaneous
PaaS
Programming languages
RUM
Security
Tag managers
UI frameworks
Video players
Webmail
Widgets
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 65% desktop
- 35% phone
France
Luxembourg
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.65 / 10 · ranked #788,407 of all domains
56 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 75 ms |
| CLS | 0.2 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 7.6 MB · 57 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- International School of Luxembourg
- Founded: 1963
- Country: Luxembourg
From Wikidata (CC0).
Infrastructure
- Hosted on Cloudflare (104.17.71.73)
- DNS: restena.lu
- Email: islux.lu
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 514,521, 2 hosts
- Verified with: Adobe, Apple Business, Autodesk, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.islux.lu | 22 |
| vacancies.islux.lu | 14 |
| parents.islux.lu | 5 |
Full technology history →
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