What powers jsemzena.eu?
Last seen Jun 2026 · 19 technologies across 11 categories
CMS
Databases
MySQL
since Jan 2019
Font scripts
Google Font API
since Jan 2019
Twitter Emoji (Twemoji)
since Jan 2021
JavaScript libraries
Marketing automation
MailerLite
since Feb 2026
Miscellaneous
Performance
LazySizes
since Feb 2022
Priority Hints
since Nov 2023
Programming languages
PHP
since Jan 2019
SEO
Web servers
WordPress plugins
EWWW Image Optimizer
since Feb 2026
Page
- Language: Czech
- Weight: 1.9 MB · 46 requests
- WordPress theme: elfie · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected EWWW Image Optimizer Feb 2026
- dropped Facebook Login Feb 2026
- dropped Google Analytics Feb 2026
- dropped Google Tag Manager Feb 2026
- dropped jQuery UI Feb 2026
- detected LazySizes Feb 2026
- detected MailerLite Feb 2026
- dropped Modernizr Feb 2026
- dropped UltimatelySocial Feb 2026
- dropped Autoptimize Jan 2026
- dropped LazySizes Jan 2026
- dropped WordPress Block Editor Jan 2026
- detected HTTP/3 Dec 2025
- detected OpenResty Dec 2025
- detected RSS Dec 2025
- detected Slick Dec 2025
- detected Twitter Emoji (Twemoji) Dec 2025
- detected UltimatelySocial Dec 2025