What powers jb-systems.eu?

Last seen Oct 2026 · 17 technologies across 11 categories

Analytics

Google Analytics
since Jan 2019

CDN

Cloudflare
since Jan 2019
Google Cloud CDN
since Apr 2026

IaaS

Google Cloud
since Apr 2026

JavaScript frameworks

Nuxt.js
since Apr 2026
Vue.js
since Apr 2026

Miscellaneous

HTTP/3
since Sep 2022
Open Graph
since Sep 2022
PWA
since Apr 2026

Performance

Google Cloud Trace
since Apr 2026
Priority Hints
since Apr 2026

Programming languages

Node.js
since Apr 2026

Reverse proxies

Envoy
since Apr 2026

Tag managers

Google Tag Manager
since Jan 2019

UI frameworks

Headless UI
since Apr 2026
Tailwind CSS
since Apr 2022

Webmail

Microsoft 365
since Aug 2022

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.

  • Sep 2026 llms.txt appeared

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Standards: llms.txt

Full breakdown

Audience

  • 67% phone
  • 33% desktop
  • Belgium
  • France
  • Germany
  • Netherlands
  • Spain
  • Portugal

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

Open Page Rank

2.82 / 10 · ranked #1,933,879 of all domains

19 referring domains · OpenPageRank

Core Web Vitals

LCP1.5 s
INP125 ms
CLS0
TTFB700 ms

Real user p75, Chrome UX Report, Sep 2026.

Page

  • Language: English
  • CDN: Google
  • Weight: 2.1 MB · 66 requests
  • Structured data: JSON-LD, OpenGraph

Homepage as crawled by the HTTP Archive, Oct 2026.

Infrastructure

  • Hosted on Google (35.219.200.100)
  • DNS: Cloudflare DNS
  • Email: Microsoft 365
  • Email security: SPF (hard fail), DMARC monitor only
  • SSL: Google Trust Services, RSA 2048, wildcard, expires Nov 2026
  • Common Crawl link graph: rank 12,031,015, 2 hosts
  • Verified with: Brevo, Google

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

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