What powers e-sipky.cz?
Last seen Jun 2026 · 14 technologies across 11 categories
Analytics
Cloudflare Browser Insights
since May 2026
CDN
Cloudflare
since Nov 2023
SparkPost
since Aug 2022
JavaScript frameworks
Miscellaneous
Payment processors
PayPal
since Dec 2025
Performance
Priority Hints
since Aug 2025
Programming languages
PHP
since Feb 2019
Security
Cloudflare Bot Management
since Nov 2023
Cloudflare Turnstile
since Aug 2025
UI frameworks
Tailwind CSS
since Aug 2025
Web frameworks
Audience
- 78% phone
- 20% desktop
- 2% tablet
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.23 / 10 · ranked #1,228,345 of all domains
37 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- CDN: Cloudflare
- Weight: 2.6 MB · 139 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped core-js Jun 2026
- dropped Facebook Pixel Jun 2026
- dropped Google Analytics Jun 2026
- dropped Google Tag Manager Jun 2026
- dropped HSTS Jun 2026
- dropped Microsoft Clarity Jun 2026
- dropped Nginx Jun 2026
- dropped Plesk Jun 2026
- dropped Smartsupp Jun 2026
- dropped Snowplow Analytics Jun 2026
- detected Cloudflare Browser Insights May 2026
- detected HTTP/3 May 2026
- detected Microsoft Clarity Jan 2026
- dropped Microsoft Advertising Dec 2025
- dropped Microsoft Clarity Dec 2025
- detected PayPal Dec 2025
- dropped Bootstrap Sep 2025
- dropped lit-html Sep 2025
- dropped Luigi’s Box Sep 2025
- detected Open Graph Sep 2025
- detected Alpine.js Aug 2025
- detected Cloudflare Turnstile Aug 2025
- detected Priority Hints Aug 2025
- detected Tailwind CSS Aug 2025