What powers callr.com?
Last seen Jun 2026 · 31 technologies across 17 categories
Analytics
Google Analytics
since Sep 2020
Linkedin Insight Tag
since Aug 2023
CDN
Cookie compliance
Axeptio
since Oct 2024
Documentation
ReadMe
since Jan 2026
Google Workspace
since Aug 2022
Sendgrid
since Aug 2022
Font scripts
Google Font API
since Apr 2024
Issue trackers
JavaScript frameworks
JavaScript graphics
amCharts
since Apr 2024
JavaScript libraries
Loadable-Components
since Jan 2026
Swiper
since Oct 2024
Marketing automation
HubSpot
since Sep 2020
Miscellaneous
PaaS
Render
since Jan 2026
Page builders
Webflow
since Oct 2024
Payment processors
Security
UI frameworks
Tailwind CSS
since Apr 2022
Vuetify
since Apr 2024
Audience
- 100% phone
India
Pakistan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.40 / 10 · ranked #2,674,898 of all domains
23 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.2 s |
| INP | 400 ms |
| CLS | 0 |
| TTFB | 1800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 0.4 MB · 31 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.callr.com | 18 |
| app.callr.com | 16 |
| docs.callr.com | 15 |
Full technology history →
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Recent changes
- detected Cloudflare Bot Management Apr 2026
- dropped Cloudflare Bot Management Mar 2026