What powers missiva.cz?
Last seen Sep 2026 · 20 technologies across 15 categories
Analytics
Google Analytics
since May 2025
CDN
jsDelivr
since Jan 2023
Font scripts
Google Font API
since Jan 2019
JavaScript frameworks
JavaScript graphics
JavaScript libraries
LazySizes
since Jan 2023
Miscellaneous
Open Graph
since Aug 2024
PWA
since Aug 2022
Operating systems
Windows Server
since Jan 2019
Programming languages
PHP
since Jan 2019
Rich text editors
Security
Tag managers
Google Tag Manager
since May 2025
UI frameworks
Tailwind CSS
since Jan 2023
Web frameworks
Nette Framework
since Jan 2023
Web servers
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
- 56% phone
- 44% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.64 / 10 · ranked #2,260,853 of all domains
14 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 0.4 MB · 16 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on MASTER-AS Czech Republic www.master.cz (194.145.180.69)
- DNS: regzone.cz
- Email: missiva.cz
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 19,118,051, 3 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.missiva.cz | 14 |
| moje.missiva.cz | 12 |
| ms.missiva.cz | 11 |
| objednavky.missiva.cz | 3 |
Full technology history →
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Recent changes
- dropped core-js Jan 2026
- dropped Facebook Pixel Jan 2026