What powers 
stromroku.cz?
Last seen Oct 2026 · 26 technologies across 12 categories
Analytics
CMS
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
Tag managers
UI frameworks
Video players
Web frameworks
Web servers
AI Crawlers
Blocks 8 of 33 AI crawlers we track by name in its robots.txt. Checked Nov 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
The other 25 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- ai.txt not found
Content Signals:
search=yes ai-train=no declared in robots.txt
- Aug 2026 llms.txt appeared
AI Crawlers
8 of 33 AI crawlers blocked
Standards: llms.txt, Content Signals
Audience
- 82% phone
- 18% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.76 / 10 · ranked #273,614 of all domains
117 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| INP | 275 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech (Czechia)
- Weight: 3.1 MB · 56 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Registered Jul 2008 (18 years) via ACTIVE 24, s.r.o., renews Jul 2027
- Hosted on Microsoft (40.114.252.156)
- DNS: websupport.cz
- Email: no MX record returned
- Email security: DNSSEC signed
- SSL: Let's Encrypt, RSA 3072, expires Jan 2027
- Common Crawl link graph: rank 698,371, 3 hosts
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Full technology history →
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Recent changes
- detected YouTube Aug 2026