What powers calc420.com?
Last seen Jun 2026 · 9 technologies across 7 categories
Affiliate programs
Amazon Associates
since Feb 2026
Analytics
Cloudflare Browser Insights
since Aug 2025
CDN
Cloudflare
since Aug 2025
jsDelivr
since Aug 2025
Miscellaneous
HTTP/3
since Aug 2025
Open Graph
since Aug 2025
Performance
Priority Hints
since Sep 2025
UI frameworks
Tailwind CSS
since Aug 2025
Widgets
Audience
- 86% phone
- 14% desktop
United States
Germany
United Kingdom
Canada
Australia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.46 / 10 · ranked #27,868,784 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 0.2 MB · 16 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Amazon Associates Feb 2026
- detected Buy me a coffee Dec 2025
- dropped Google Analytics Nov 2025
- dropped GoatCounter Oct 2025
- detected Google Analytics Sep 2025
- detected Priority Hints Sep 2025