What powers cesi.org?

Last seen Sep 2026 · 14 technologies across 9 categories

CDN

Cloudflare
since Jul 2020
jsDelivr
since Mar 2025

CMS

MemberStack
since Sep 2026

JavaScript frameworks

Svelte
since Sep 2026

JavaScript libraries

jQuery v3.5.1
since Jul 2020
Swiper
since Mar 2025

Miscellaneous

HTTP/3
since Jan 2026
Open Graph
since Mar 2025
Webpack
since Mar 2025

Page builders

Webflow
since Mar 2025

Security

Cloudflare Turnstile
since Apr 2025
HSTS
since Mar 2025

Video players

YouTube
since Mar 2025

Webmail

Microsoft 365
since Sep 2026

AI Crawlers

Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. 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

Open Page Rank

4.15 / 10 · ranked #479,265 of all domains

89 referring domains · OpenPageRank

Page

  • Language: English
  • CDN: Cloudflare
  • Weight: 24.4 MB · 243 requests
  • Structured data: OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Oct 2026.

Organisation

  • European Confederation of Independent Trade Unions
  • Founded: 1990
  • Country: France

From Wikidata (CC0).

Infrastructure

  • Registered Oct 2001 (25 years) via OVH sas, renews Oct 2027
  • Hosted on Cloudflare (198.202.211.1, IPv6)
  • DNS: Cloudflare DNS
  • Email: Microsoft 365
  • Email security: SPF (hard fail), DMARC reject
  • SSL: Google Trust Services, ECDSA P256, expires Dec 2026
  • Common Crawl link graph: rank 526,485, 2 hosts
  • Verified with: Microsoft 365

DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted

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