What powers vzuplzen.cz?
Last seen Jun 2026 · 26 technologies across 14 categories
CMS
WordPress
since Aug 2022
Databases
MySQL
since Aug 2022
Font scripts
Font Awesome
since Jan 2023
Google Font API
since Apr 2025
JavaScript libraries
OWL Carousel
since Jan 2023
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Page builders
WordPress Block Editor
since Jul 2024
Performance
Priority Hints
since Aug 2024
Programming languages
PHP
since Aug 2022
Security
HSTS
since Dec 2023
UI frameworks
Bootstrap
since Aug 2022
Web servers
Nginx
since Aug 2022
Webmail
Microsoft 365
since Jun 2023
Widgets
WordPress plugins
WP Rocket
since Aug 2022
AI Crawlers
robots.txt could not be read at the last check (Aug 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.21 / 10 · ranked #1,252,322 of all domains
22 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 50 ms |
| CLS | 0.1 |
| TTFB | 2400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech (Czechia)
- Weight: 0.8 MB · 74 requests
- WordPress theme: koira (child: koira-child) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- VZU Plzeň (Research and Testing Institute Plzen on Wikidata)
- Founded: 2011
- Country: Czech Republic
- Profiles: LinkedIn, YouTube
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on FORTION (185.175.85.22)
- DNS: forpsi.cz
- Email: cez.cz
- Email security: SPF (hard fail), DMARC quarantine, DNSSEC signed
- Common Crawl link graph: rank 2,668,181, 8 hosts
- Verified with: Microsoft 365
DNS records as swept Aug 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Essential Addons for Elementor May 2026
- dropped Swiper May 2026
- detected core-js Mar 2026
- detected jQuery UI Mar 2026