What powers nemcina-zdarma.cz?
Last seen Sep 2026 · 12 technologies across 10 categories
Font scripts
Google Font API
since Mar 2022
JavaScript libraries
SoundManager
since Sep 2018
Miscellaneous
Programming languages
PHP
since Aug 2018
RUM
New Relic
since Jan 2022
Security
reCAPTCHA
since Aug 2023
Tag managers
Google Tag Manager
since Jan 2025
UI frameworks
Web frameworks
Web servers
Apache HTTP Server
since Aug 2018
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 63% phone
- 31% desktop
- 6% tablet
Czechia
Slovakia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.88 / 10 · ranked #3,944,202 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 1.4 MB · 25 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- DNS: blueboard.cz
- Email: blueboard.cz
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 14,520,798, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| nemcina-zdarma.cz | 12 |
| www.nemcina-zdarma.cz | 11 |