What powers les-cj.ch?

Last seen Sep 2026 · 13 technologies across 9 categories

Advertising

Microsoft Advertising
since Jul 2025

Analytics

Facebook Pixel v2.9.397
since Jul 2021
Google Analytics
since Apr 2019
Microsoft Clarity
since Jan 2026

Hosting

Infomaniak
since Aug 2022

JavaScript libraries

core-js v3.32.2
since Sep 2021
jQuery v1.12.4
since Apr 2019
Moment.js v2.29.1
since Aug 2022

Miscellaneous

PWA
since Aug 2022

Security

HSTS
since Sep 2022

Tag managers

Google Tag Manager
since Apr 2019

UI frameworks

Bootstrap
since Oct 2022

Web frameworks

Microsoft ASP.NET
since Apr 2019

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

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

Audience

  • 90% phone
  • 10% desktop
  • Switzerland
  • France

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

4.74 / 10 · ranked #286,352 of all domains

76 referring domains · OpenPageRank

Core Web Vitals

LCP0.9 s
INP125 ms
CLS0
TTFB400 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: French
  • Weight: 2.4 MB · 47 requests

Homepage as crawled by the HTTP Archive, Sep 2026.

Organisation

  • Chemins de fer du Jura
  • Founded: 1944
  • Country: Switzerland

From Wikidata (CC0).

Infrastructure

DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted

Full technology history →
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