What powers cct.cz?
Last seen Sep 2026 · 16 technologies across 11 categories
Analytics
Google Analytics
since Apr 2022
Authentication
NextAuth.js
since May 2026
JavaScript frameworks
JavaScript libraries
Miscellaneous
Performance
Priority Hints
since May 2026
Programming languages
Node.js
since May 2026
Security
HSTS
since May 2026
Tag managers
Google Tag Manager
since Apr 2022
UI frameworks
Tailwind CSS
since Apr 2022
Web servers
Nginx
since Apr 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 67% desktop
- 33% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.57 / 10 · ranked #2,372,805 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 2.9 MB · 76 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (52.59.36.181)
- DNS: regzone.cz
- Email: zoner.com
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Oct 2026
- Common Crawl link graph: rank 139,468, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| cct.cz | 16 |
| www.cct.cz | 16 |
Full technology history →
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Recent changes
- dropped All in One SEO Jun 2026
- dropped Bootstrap Jun 2026
- dropped Contact Form 7 Jun 2026
- dropped Elementor Jun 2026
- dropped Google Font API Jun 2026
- dropped Google Maps Jun 2026
- dropped jQuery Jun 2026
- dropped jQuery Migrate Jun 2026
- dropped jQuery UI Jun 2026
- dropped MonsterInsights Jun 2026
- dropped MySQL Jun 2026
- dropped PHP Jun 2026
- dropped Popup Maker Jun 2026
- dropped reCAPTCHA Jun 2026
- dropped Swiper Jun 2026
- dropped W3 Total Cache Jun 2026
- dropped WordPress Jun 2026
- dropped wpBakery Jun 2026
- detected HSTS May 2026
- detected NextAuth.js May 2026
- detected Next.js May 2026
- detected Next.js App Router May 2026
- detected Node.js May 2026
- detected Priority Hints May 2026
- detected PWA May 2026
- detected React May 2026
- detected Tailwind CSS May 2026
- detected Webpack May 2026