What powers zelenyobchod.cz?

Last seen Sep 2026 · 19 technologies across 12 categories

Analytics

Facebook Pixel v2.9.398
since Jul 2021
Google Analytics
since Jan 2019
Matomo Analytics
since Aug 2020
Pinterest Conversion Tag
since Jul 2021

Authentication

Facebook Login
since Jul 2021

CDN

cdnjs
since Jul 2024
Cloudflare
since Jul 2024

Font scripts

Google Font API
since Sep 2020

JavaScript libraries

core-js v3.50.0
since Sep 2021
jQuery
since Jan 2019

Live chat

WhatsApp Business Chat
since Jun 2025

Miscellaneous

Open Graph
since Sep 2022

Programming languages

PHP
since Sep 2020

Security

Cloudflare Bot Management
since Sep 2026
HSTS
since Aug 2023

Tag managers

Google Tag Manager
since Jan 2019

Web frameworks

Nette Framework
since Sep 2020

Web servers

Nginx
since Jan 2019
OpenResty
since Aug 2023

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 Sep 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

  • 70% phone
  • 30% desktop
  • Czechia
  • Slovakia

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

Open Page Rank

2.35 / 10 · ranked #2,786,076 of all domains

14 referring domains · OpenPageRank

Core Web Vitals

LCP1.8 s
INP150 ms
CLS0
TTFB900 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: Czech
  • Weight: 2.2 MB · 161 requests
  • Structured data: JSON-LD, OpenGraph

Homepage as crawled by the HTTP Archive, Sep 2026.

Organisation

  • Zelené potraviny Aktif – energie a imunita | Chlorella, Ječmen, Spirulina
  • Industry: Retail (declares Product)
  • Profiles: Facebook, Instagram, YouTube

From the homepage's own structured data (Sep 2026).

Infrastructure

  • Hosted on MASTER-AS Czech Republic www.master.cz (81.31.37.22, IPv6)
  • DNS: web4u.cz
  • Email: golemos.com
  • Email security: SPF (hard fail), no DMARC record, DNSSEC signed
  • SSL: Let's Encrypt, RSA 2048, expires Nov 2026
  • Common Crawl link graph: rank 25,976,108, 3 hosts
  • Verified with: Google

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

Full technology history →
Report an incorrect detection

Recent changes

Look up any website for free

No paywall, no lead-gen, no account. Paste a domain and see what powers it.

No account neededHistory since 2018