What powers f1calendar.com?
Last seen Jun 2026 · 19 technologies across 13 categories
Analytics
Cloudflare Browser Insights
since Nov 2025
Plausible
since Feb 2021
CDN
Cloudflare
since Apr 2018
Development
Turbopack
since Dec 2025
Font scripts
Google Font API
since Apr 2023
JavaScript frameworks
Miscellaneous
PaaS
Vercel
since Feb 2020
Performance
Priority Hints
since Jan 2024
Programming languages
Node.js
since Feb 2020
Security
HSTS
since Sep 2022
UI frameworks
Tailwind CSS
since Apr 2022
Webmail
Google Workspace
since Aug 2022
Widgets
Audience
- 87% phone
- 12% desktop
- 1% tablet
Poland
Romania
United Kingdom
Spain
Netherlands
Australia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.01 / 10 · ranked #1,569,007 of all domains
45 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 0.4 MB · 36 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| f1calendar.com | 18 |
| www.f1calendar.com | 14 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Turbopack Dec 2025
- detected Cloudflare Browser Insights Nov 2025