What powers firkusny.cz?
Last seen Oct 2026 · 20 technologies across 15 categories
CDN
Cloudflare
since Jan 2023
jQuery CDN
since Aug 2022
CMS
WordPress
since Jan 2019
Cookie compliance
Cookie Script
since Aug 2025
Databases
MySQL
since Jan 2019
Ecommerce
Cart Functionality
since Nov 2021
Mailgun
since Nov 2022
JavaScript libraries
Miscellaneous
Open Graph
since Jun 2023
RSS
since Dec 2022
Page builders
WordPress Block Editor
since Apr 2025
Performance
Priority Hints
since Apr 2026
Programming languages
PHP
since Jan 2019
Security
HSTS
since Nov 2022
Tag managers
Google Tag Manager
since Jan 2019
Web servers
Nginx
since Jan 2019
WordPress plugins
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 54% phone
- 46% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.89 / 10 · ranked #1,800,288 of all domains
23 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech (Czechia)
- Weight: 2.4 MB · 74 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on DigitalOcean (138.68.92.1)
- DNS: Cloudflare DNS
- Email: Cloudflare Email Security
- Email security: SPF (soft fail), DMARC reject
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 1,295,155, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted