What powers kafec.cz?
Last seen Oct 2026 · 22 technologies across 10 categories
Analytics
CDN
Cookie compliance
JavaScript libraries
Miscellaneous
Programming languages
Security
Tag managers
Web servers
Widgets
AI Crawlers
Blocks 13 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- cohere-training-data-crawler Blocked
- Diffbot Blocked
- Google-CloudVertexBot Blocked
- Google-Extended Blocked
- GoogleOther Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
- PetalBot Blocked
The other 20 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
Content Signals:
search=yes ai-train=no declared in robots.txt
- Oct 2026 claude-web added to robots.txt
- Oct 2026 petalbot added to robots.txt
- Oct 2026 googleother added to robots.txt
- Oct 2026 diffbot added to robots.txt
- Oct 2026 cohere-ai added to robots.txt
- Oct 2026 google-cloudvertexbot added to robots.txt
AI Crawlers
13 of 33 AI crawlers blocked
Standards: Content Signals
Audience
- 82% phone
- 18% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.89 / 10 · ranked #1,799,956 of all domains
22 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- CDN: Cloudflare
- Weight: 70.4 MB · 92 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.21.62.88, IPv6)
- DNS: Cloudflare DNS
- Email: ebola.cz
- Email security: SPF (soft fail), no DMARC record
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 11,482,757, 2 hosts
- Verified with: Google, OpenAI
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| kafec.cz | 21 |
| www.kafec.cz | 18 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped AMP Jul 2026
- dropped Cart Functionality Jul 2026
- dropped Cloudflare Bot Management Jul 2026
- dropped Microsoft Advertising Jul 2026
- dropped Ruby Jul 2026
- dropped Ruby on Rails Jul 2026