What powers dprcalc.com?
Last seen Jun 2026 · 13 technologies across 9 categories
Analytics
Google Analytics
since Jan 2026
Vercel Analytics
since Jul 2024
Authentication
Clerk
since May 2025
CDN
Cloudflare
since May 2025
JavaScript frameworks
JavaScript graphics
ECharts
since Apr 2026
Miscellaneous
PWA
since Jul 2024
PaaS
Vercel
since Jul 2024
Security
Cloudflare Bot Management
since May 2025
HSTS
since Jul 2024
UI frameworks
Chakra UI
since Jul 2024
Audience
- 68% desktop
- 32% phone
United States
Countries where the site has Chrome traffic, strongest markets first.
Core Web Vitals
| LCP | 1.1 s |
| INP | 175 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Vercel
- Weight: 5.7 MB · 57 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| dprcalc.com | 12 |
| www.dprcalc.com | 7 |
Full technology history →
Report an incorrect detection
Recent changes
- detected ECharts Apr 2026
- dropped Vercel Speed Insights Apr 2026
- detected Google Analytics Jan 2026
- detected Vercel Speed Insights Jan 2026