What powers vjobuv.cz?

Last seen Oct 2026 · 32 technologies across 14 categories

Analytics

Google Analytics
since Aug 2019
Luigi’s Box
since Feb 2022
Matomo Analytics
since Feb 2022
Snowplow Analytics
since Oct 2026

CDN

Amazon S3
since Oct 2026
cdnjs
since Oct 2026
Cloudflare
since Oct 2026
jsDelivr
since Oct 2026

Ecommerce

Cart Functionality
since May 2022

Font scripts

Google Font API
since Jun 2019

JavaScript libraries

core-js v3.32.2
since Feb 2022
DataTables v1.11.5
since Oct 2026
Isotope
since Oct 2026
jQuery v3.6.0
since Jan 2019
jQuery Migrate v3.3.0
since Oct 2026
jQuery UI v1.12.1
since Jan 2019
math.js
since Oct 2026
Modernizr
since Oct 2026
Select2
since Oct 2026
Slick
since Oct 2026
Swiper
since Oct 2023

Live chat

Smartsupp v3
since Feb 2022

Miscellaneous

Open Graph
since Sep 2022

Operating systems

Debian
since Oct 2026

PaaS

Amazon Web Services
since Oct 2026

Security

HSTS
since Jun 2023

Tag managers

Google Tag Manager
since Jan 2019

UI frameworks

Bootstrap v1.14.0
since Oct 2026

Web servers

Apache HTTP Server v2.4.56
since Oct 2026
Nginx
since Jan 2019
OpenResty
since Jun 2023

Webmail

Microsoft 365
since Aug 2022

AI Crawlers

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

  • 86% phone
  • 12% desktop
  • 2% tablet
  • Czechia

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

Open Page Rank

2.41 / 10 · ranked #2,659,127 of all domains

9 referring domains · OpenPageRank

Core Web Vitals

LCP1.9 s
INP175 ms
CLS0
TTFB1100 ms

Real user p75, Chrome UX Report, Sep 2026.

Page

  • Language: Czech
  • Weight: 8.3 MB · 238 requests
  • Structured data: JSON-LD, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Oct 2026.

Infrastructure

  • Hosted on MASTER-AS MasterDC s.r.o. (80.79.28.8)
  • DNS: forpsi.cz
  • Email: Microsoft 365
  • Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed, MTA-STS, BIMI
  • SSL: Let's Encrypt, RSA 2048, expires Jan 2027
  • Common Crawl link graph: rank 48,463,581, 2 hosts
  • Verified with: Google, Meta Business

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

Subdomains

HostTechs
vjobuv.cz 25
www.vjobuv.cz 12

Full technology history →
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