What powers lefrelon.com?

Last seen Sep 2026 · 20 technologies across 12 categories

Analytics

PostHog
since Mar 2024

CDN

cdnjs
since Nov 2021
Cloudflare
since Jul 2022
Unpkg
since Apr 2025

Comment systems

Livefyre v1.3.3
since Oct 2021

Cookie compliance

CookieYes
since Apr 2024

JavaScript graphics

D3 v7.8.5
since Oct 2020

JavaScript libraries

AOS
since Oct 2021
Dropzone v5.5.0
since Jul 2022
jQuery v3.3.1
since Oct 2020
jQuery UI v1.13.0
since Oct 2020

Maps

Leaflet v1.3.3
since Oct 2020

Miscellaneous

HTTP/3
since Apr 2023
Open Graph
since Sep 2022
Popper
since Jul 2022

Programming languages

Ruby
since Oct 2020

Security

HSTS
since Sep 2022

UI frameworks

Tailwind CSS
since Apr 2025

Web frameworks

Ruby on Rails
since Oct 2020

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

  • 74% phone
  • 24% desktop
  • 2% tablet
  • France
  • Belgium

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

Open Page Rank

3.88 / 10 · ranked #667,104 of all domains

101 referring domains · OpenPageRank

Core Web Vitals

LCP1.3 s
INP100 ms
CLS0
TTFB500 ms

Real user p75, Chrome UX Report, Sep 2026.

Page

  • Language: English
  • CDN: Cloudflare
  • Weight: 1.4 MB · 32 requests
  • Structured data: JSON-LD, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Oct 2026.

Organisation

  • LeFrelon

From the homepage's own structured data (Oct 2026) and Wikidata (CC0).

Infrastructure

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

Subdomains

HostTechs
lefrelon.com 18
www.lefrelon.com 18
piege.lefrelon.com 8

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