What powers circlern.com?
Last seen Jun 2026 · 20 technologies across 12 categories
Analytics
Google Analytics
since Nov 2025
Authentication
Clerk
since May 2026
CDN
Cloudflare
since Nov 2025
Google Workspace
since Nov 2025
Sendgrid
since Nov 2025
JavaScript frameworks
React
since Nov 2025
JavaScript libraries
Maps
Google Maps
since Nov 2025
Miscellaneous
PaaS
Vercel
since Nov 2025
Performance
Priority Hints
since Apr 2026
Security
Cloudflare Bot Management
since May 2026
HSTS
since Nov 2025
UI frameworks
Tailwind CSS
since Nov 2025
Audience
- 65% phone
- 35% desktop
United States
Countries where the site has Chrome traffic, strongest markets first.
Core Web Vitals
| LCP | 2.2 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 1.6 MB · 50 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 Google Sign-in Jun 2026
- detected Clerk May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Browser Insights May 2026
- detected Priority Hints Apr 2026
- dropped Snowplow Analytics Jan 2026
- detected Cloudflare Browser Insights Dec 2025
- detected core-js Dec 2025
- detected Facebook Pixel Dec 2025