What powers psytrance.cz?
Last seen Oct 2026 · 22 technologies across 12 categories
Analytics
CDN
CMS
Development
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Programming languages
Security
UI frameworks
Web servers
AI Crawlers
Blocks 18 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
- FacebookBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
- ImagesiftBot Blocked
- meta-externalagent Blocked
- Webzio-Extended Blocked
Search and AI assistants
- Amazonbot Blocked
- OAI-SearchBot Blocked
- PerplexityBot Blocked
- YouBot Blocked
User-request fetchers
- ChatGPT-User Blocked
- meta-externalfetcher Blocked
The other 15 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
- Sep 2026 imagesiftbot added to robots.txt
- Sep 2026 chatgpt-user added to robots.txt
- Sep 2026 cohere-ai added to robots.txt
- Sep 2026 diffbot added to robots.txt
- Sep 2026 youbot added to robots.txt
- Sep 2026 meta-externalagent added to robots.txt
AI Crawlers
18 of 33 AI crawlers blocked
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.49 / 10 · ranked #6,603,231 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 175 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- CDN: Vercel
- Weight: 4.6 MB · 72 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (216.150.1.193)
- DNS: Cloudflare DNS
- Email: Cloudflare Email Routing
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 9,300,861, 6 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| psytrance.cz | 15 |
| www.psytrance.cz | 7 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Priority Hints Oct 2026
- detected Kasada Sep 2026