What powers upinsmoke.cz?
Last seen Sep 2026 · 17 technologies across 10 categories
Analytics
Authentication
Ecommerce
JavaScript libraries
Live chat
Miscellaneous
Performance
Programming languages
UI frameworks
Web servers
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 Sep 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
Content Signals:
search=yes ai-train=no declared in robots.txt
AI Crawlers
No AI crawlers blocked
Standards: llms.txt, Content Signals
Audience
- 77% phone
- 24% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.90 / 10 · ranked #3,863,574 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 3.0 MB · 96 requests
- Structured data: JSON-LD, Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on VSHOSTING (185.64.219.37)
- DNS: web4u.cz
- Email: myshoptet.com
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed
- SSL: ZeroSSL, ECDSA P384, expires Dec 2026
- Common Crawl link graph: rank 16,496,552
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected HTTP/3 May 2026
- detected OpenResty May 2026
- dropped Microsoft Clarity Feb 2026