What powers topkoncerty.cz?
Last seen Sep 2026 · 13 technologies across 9 categories
Analytics
Google Analytics
since Sep 2021
Font scripts
Google Font API
since Sep 2021
JavaScript frameworks
Vue.js
since Sep 2021
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Popper
since Aug 2022
Programming languages
PHP
since Sep 2021
UI frameworks
Web frameworks
Web servers
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 84% phone
- 16% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.53 / 10 · ranked #2,446,956 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 175 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 8.1 MB · 57 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (3.121.241.33)
- DNS: forpsi.cz
- Email: Seznam Email
- Email security: no SPF record, DMARC monitor only, DNSSEC signed
- Common Crawl link graph: rank 24,519,870, 2 hosts
DNS records as swept Sep 2026. How the web is hosted