What powers nk-langa.cz?
Last seen Sep 2026 · 14 technologies across 10 categories
Analytics
Google Analytics
since Feb 2020
Microsoft Clarity
since Apr 2023
Google Workspace
since Aug 2022
SparkPost
since Aug 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Operating systems
Debian
since Oct 2023
Programming languages
PHP
since Feb 2020
Tag managers
Google Tag Manager
since Feb 2020
Video players
Plyr
since Jul 2020
Web frameworks
Nette Framework
since Feb 2020
Web servers
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 67% phone
- 33% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.78 / 10 · ranked #4,459,379 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 4.9 MB · 161 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on MASTER-AS Czech Republic www.master.cz (77.93.193.13)
- DNS: websupport.cz
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 16,551,544
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted