What powers speedlo.cz?
Last seen Jun 2026 · 21 technologies across 11 categories
CDN
cdnjs
since May 2022
Cloudflare
since May 2022
Microsoft 365
since Aug 2022
SparkPost
since Aug 2022
Font scripts
Font Awesome
since Jul 2021
Google Font API
since Mar 2021
Issue trackers
Sentry
since Jun 2021
JavaScript frameworks
Emotion
since Jun 2021
JSS
since Feb 2022
React
since Jun 2021
Stimulus
since Apr 2024
styled-components
since Jun 2021
JavaScript libraries
Miscellaneous
Performance
Turbo
since Apr 2024
Programming languages
Ruby
since Apr 2024
UI frameworks
Web frameworks
Ruby on Rails
since Apr 2024
Audience
- 89% phone
- 11% desktop
Czechia
Germany
Slovakia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.05 / 10 · ranked #531,948 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 400 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 4.4 MB · 38 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| admin.speedlo.cz | 15 |
| consents.speedlo.cz | 8 |
| speedlo.cz | 6 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Polyfill Jun 2026