What powers systers.bio?
Last seen Jun 2026 · 26 technologies across 13 categories
Analytics
Google Analytics
since Jan 2022
Google Analytics Enhanced eCommerce
since Jan 2022
Luigi’s Box
since Nov 2023
Microsoft Clarity
since Jan 2022
Snowplow Analytics
since Jan 2022
Authentication
Facebook Login
since Aug 2022
CDN
cdnjs
since May 2023
Cloudflare
since May 2023
Ecommerce
Cart Functionality
since Jan 2022
Shoptet
since Aug 2022
Google Workspace
since Aug 2022
Mailgun
since Mar 2026
Font scripts
Google Font API
since Sep 2022
Typekit
since Aug 2022
JavaScript libraries
Miscellaneous
HTTP/3
since May 2026
Open Graph
since Sep 2022
Performance
Priority Hints
since Apr 2025
Programming languages
PHP
since Jan 2022
Tag managers
Google Tag Manager
since Jan 2022
UI frameworks
Web servers
Audience
- 67% desktop
- 33% phone
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.13 / 10 · ranked #1,372,782 of all domains
26 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 150 ms |
| CLS | 0.05 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 3.4 MB · 156 requests
- Structured data: JSON-LD, Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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