What powers vltava-reka.cz?
Last seen Sep 2026 · 18 technologies across 12 categories
Analytics
Google Analytics
since Mar 2020
CDN
cdnjs
since May 2022
Cloudflare
since May 2022
JavaScript frameworks
Vue.js
since Mar 2020
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Operating systems
Debian
since Mar 2020
Programming languages
PHP
since Mar 2020
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Mar 2020
UI frameworks
Web frameworks
Nette Framework
since Mar 2020
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
- 100% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.51 / 10 · ranked #2,483,330 of all domains
17 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 1.2 MB · 54 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on ONE-NETWORK (37.46.85.68)
- DNS: wedos.com
- Email: Seznam Email
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 31,841,332, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted