What powers vltava-river.com?
Last seen Oct 2026 · 18 technologies across 12 categories
Analytics
Google Analytics
since Jun 2022
CDN
cdnjs
since Jun 2022
Cloudflare
since Jun 2022
JavaScript frameworks
Vue.js
since Jun 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Operating systems
Debian
since Jun 2022
Programming languages
PHP
since Jun 2022
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Jun 2022
UI frameworks
Web frameworks
Nette Framework
since Jun 2022
Web servers
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Germany
Czechia
Austria
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.58 / 10 · ranked #5,837,846 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 1.3 MB · 56 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on ONE-NETWORK (37.46.85.68, IPv6)
- DNS: wedos.com
- Email: Seznam Email
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 999,397, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted