What powers fkr.cz?
Last seen Oct 2026 · 26 technologies across 17 categories
Analytics
CMS
Databases
Font scripts
JavaScript graphics
JavaScript libraries
Miscellaneous
Performance
Programming languages
Reviews
Security
UI frameworks
Video players
Web servers
Webmail
WordPress plugins
WordPress themes
AI Crawlers
Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Oct 2026.
Search and AI assistants
- Applebot Allowed
The other 32 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 79% phone
- 21% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.76 / 10 · ranked #17,558,258 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.3 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 2900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech (Czechia)
- Weight: 4.9 MB · 175 requests
- WordPress theme: hello-elementor · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Filip Král Reality
- Industry: Real estate (declares
RealEstateAgent) - Profiles: Facebook
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on SUPERNETWORK _ (37.235.105.191, IPv6)
- DNS: vas-hosting.com
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 97,296,484
- Verified with: Google, Meta Business, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Font API Oct 2026
- dropped jQuery Migrate Oct 2026
- detected Lightbox Oct 2026
- dropped Twitter Emoji (Twemoji) Oct 2026
- dropped Slick Jul 2026
- dropped Bunny Jan 2026
- detected Plyr Jan 2026
- detected Twitter Emoji (Twemoji) Jan 2026
- dropped WP Rocket Dec 2025