What powers ltc.lu?
Last seen Aug 2026 · 26 technologies across 16 categories
Analytics
Authentication
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Maps
Miscellaneous
Programming languages
Search engines
Security
UI frameworks
Web frameworks
Web servers
WordPress themes
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 Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Luxembourg
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.01 / 10 · ranked #1,569,740 of all domains
25 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United Kingdom)
- Weight: 2.2 MB · 49 requests
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on RESTENA Reseau Teleinformatique de lEducation Nationale (158.64.19.156)
- DNS: ltc.lu
- Email: ltc.lu
- Email security: SPF (hard fail), no DMARC record, CAA
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 2,672,564, 6 hosts
- Verified with: Adobe
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| ltc.lu | 20 |
| labo.ltc.lu | 13 |
| www.ltc.lu | 9 |
Full technology history →
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Recent changes
- detected Awesomplete Apr 2026
- detected Helix Ultimate Apr 2026