What powers spa-virivky.cz?
Last seen Sep 2026 · 19 technologies across 12 categories
Analytics
Cookie compliance
Font scripts
JavaScript libraries
Maps
Miscellaneous
Programming languages
Security
Tag managers
UI frameworks
Web servers
Widgets
AI Crawlers
Restricts 10 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Applebot-Extended Restricted
- ClaudeBot Restricted
- Google-Extended Restricted
- GPTBot Restricted
Search and AI assistants
- Claude-SearchBot Restricted
- OAI-SearchBot Restricted
- PerplexityBot Restricted
User-request fetchers
- ChatGPT-User Restricted
- Claude-User Restricted
- Perplexity-User Restricted
The other 23 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
- Oct 2026 claudebot added to robots.txt
- Oct 2026 chatgpt-user added to robots.txt
- Oct 2026 claude-searchbot added to robots.txt
- Oct 2026 claude-user added to robots.txt
- Oct 2026 perplexitybot added to robots.txt
- Oct 2026 google-extended added to robots.txt
AI Crawlers
10 of 33 AI crawlers restricted
Audience
- 69% phone
- 31% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.65 / 10 · ranked #2,246,320 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 75 ms |
| CLS | 0.1 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 21.2 MB · 70 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on MASTER-AS Czech Republic www.master.cz (185.25.184.132)
- Email: spa-virivky.cz
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 18,009,621, 3 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Oct 2026. How the web is hosted
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Recent changes
- dropped Mailjet Jan 2026