What powers usecaller.com?
Last seen Jun 2026 · 19 technologies across 12 categories
Affiliate programs
Tolt
since Feb 2026
Analytics
CDN
Cloudflare
since Jan 2026
jsDelivr
since Feb 2026
Font scripts
Google Font API
since Jan 2026
JavaScript frameworks
React
since Jan 2026
JavaScript libraries
Miscellaneous
HTTP/3
since Jan 2026
Open Graph
since Jan 2026
Payment processors
PayPal
since Mar 2026
Performance
Priority Hints
since Jan 2026
Security
HSTS
since Jan 2026
UI frameworks
Webmail
Google Workspace
since Feb 2026
Audience
- 56% desktop
- 44% phone
Pakistan
India
United Kingdom
Philippines
Bangladesh
Thailand
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.56 / 10 · ranked #2,396,624 of all domains
57 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.5 s |
| INP | 225 ms |
| CLS | 0.35 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 27.6 MB · 115 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped Cloudflare Browser Insights Jun 2026
- detected PayPal Mar 2026
- detected Google Workspace Feb 2026
- detected jsDelivr Feb 2026
- detected Tolt Feb 2026