What powers franz-josef.cz?
Last seen Oct 2026 · 30 technologies across 14 categories
Analytics
Google Analytics
since Apr 2020
Matomo Analytics
since Aug 2023
CDN
Google Hosted Libraries
since Mar 2022
CMS
Databases
MySQL
since Aug 2023
Font scripts
Google Font API
since Aug 2023
Twitter Emoji (Twemoji)
since Dec 2025
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Aug 2023
Performance
Priority Hints
since Aug 2023
Programming languages
PHP
since Apr 2020
Security
reCAPTCHA
since Sep 2026
UI frameworks
Video players
YouTube
since Dec 2023
Web servers
Nginx
since Mar 2022
WordPress plugins
Essential Addons for Elementor
since Aug 2023
W3 Total Cache
since Sep 2026
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
2.50 / 10 · ranked #2,498,697 of all domains
14 referring domains · OpenPageRank
Page
- Language: Czech (Czechia)
- Weight: 4.7 MB · 132 requests
- WordPress theme: muzze · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Muzeum Franz Josefa I.
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Hetzner (95.216.101.210)
- DNS: Websupport
- Email: franz-josef.cz
- Email security: SPF (neutral), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Jan 2027
- Common Crawl link graph: rank 1,156,899, 4 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.franz-josef.cz | 29 |
| www.archiv.franz-josef.cz | 7 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped WP Rocket Oct 2026
- detected reCAPTCHA Sep 2026
- detected W3 Total Cache Sep 2026
- dropped Yoast SEO Premium Sep 2026
- dropped OWL Carousel Jan 2026
- detected Swiper Dec 2025
- detected Twitter Emoji (Twemoji) Dec 2025