What powers ksul.cz?
Last seen Sep 2026 · 29 technologies across 17 categories
Analytics
Google Analytics
since May 2019
Matomo Analytics
since Nov 2022
CMS
WordPress
since Nov 2022
Databases
MySQL
since Nov 2022
SparkPost
since Oct 2025
Font scripts
Google Font API
since Nov 2022
JavaScript libraries
Lightbox
since Nov 2022
OWL Carousel
since Mar 2023
Marketing automation
MailChimp
since Nov 2022
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Operating systems
Debian
since Jun 2023
Page builders
WordPress Block Editor
since Jul 2024
Performance
LazySizes
since Nov 2022
Programming languages
PHP
since Sep 2021
Security
HSTS
since Jun 2023
Really Simple SSL & Security
since Apr 2024
UI frameworks
Bootstrap
since Nov 2022
Web servers
WordPress plugins
Autoptimize
since Nov 2022
Gutenberg
since Jun 2023
RankMath SEO
since Apr 2024
WP-Optimize
since Aug 2024
WordPress themes
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 86% phone
- 14% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.38 / 10 · ranked #1,033,130 of all domains
35 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 1.5 MB · 43 requests
- WordPress theme: astra (child: ksul) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Kulturní středisko města Ústí nad Labem
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on SUPERNETWORK _ (88.86.121.145)
- DNS: forpsi.cz
- Email: Seznam Email
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- Common Crawl link graph: rank 9,356,791, 3 hosts
- Verified with: Google
DNS records as swept Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.ksul.cz | 23 |
| program.ksul.cz | 17 |
Full technology history →
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