What powers 
cerebrum2007.cz?
Last seen Sep 2026 · 36 technologies across 17 categories
Analytics
CDN
CMS
Databases
Hosting
JavaScript frameworks
JavaScript libraries
Miscellaneous
Performance
Programming languages
Security
Tag managers
Web servers
Webmail
Widgets
WordPress plugins
WordPress themes
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.91 / 10 · ranked #644,025 of all domains
46 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 2.8 MB · 61 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- CEREBRUM 2007
- Profiles: Facebook
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on SUPERNETWORK _ (37.235.102.161)
- Email: no MX record returned, SPF names Google Workspace
- Email security: SPF (soft fail), DMARC monitor only, MTA-STS, BIMI
- SSL: Let's Encrypt, ECDSA P256, expires Jan 2027
- Common Crawl link graph: rank 8,615,362, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.cerebrum2007.cz | 25 |
| cerebrum2007.cz | 22 |
Full technology history →
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Recent changes
- dropped YouTube May 2026
- detected jQuery UI Nov 2025
- detected Popup Maker Nov 2025
- detected YouTube Nov 2025