What powers ulk.cz?

CMS

WordPress v6.9.4

since Dec 2025

Databases

MySQL

since Dec 2025

Font scripts

Twitter Emoji (Twemoji)

since Dec 2025

JavaScript libraries

core-js v3.39.0

since Dec 2025

jQuery v3.7.1

since Dec 2025

jQuery Migrate v3.4.1

since Dec 2025

jQuery UI v1.13.3

since Dec 2025

Swiper

since Dec 2025

Maps

Google Maps

since Dec 2025

Miscellaneous

HTTP/3

since Nov 2024

LottieFiles

since Dec 2025

Open Graph

since Dec 2025

RSS

since Dec 2025

Page builders

Elementor v3.28.3

since Dec 2025

Performance

Priority Hints

since Dec 2025

Programming languages

PHP

since Aug 2022

Video players

YouTube

since Feb 2020

Web servers

Apache Traffic Server

since Dec 2025

Nginx

since Feb 2020

OpenResty

since Nov 2024

WordPress plugins

Yoast SEO v24.8.1

since Dec 2025

WordPress themes

Hello Elementor v3.3.0

since Dec 2025