What powers f4.fund?
Last seen Jun 2026 · 15 technologies across 11 categories
CDN
Cloudflare
since Mar 2026
Development
Turbopack
since Mar 2026
Font scripts
Google Font API
since Mar 2026
JavaScript frameworks
Miscellaneous
PaaS
Render
since Mar 2026
Performance
Priority Hints
since Aug 2023
Programming languages
Node.js
since Mar 2026
Security
HSTS
since Aug 2023
UI frameworks
Tailwind CSS
since Mar 2026
Webmail
Google Workspace
since Aug 2023
Audience
- 78% desktop
- 22% phone
United States
United Kingdom
India
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.82 / 10 · ranked #1,943,301 of all domains
35 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 0.6 MB · 51 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| f4.fund | 15 |
| app.f4.fund | 14 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Amazon S3 Apr 2026
- dropped Amazon Web Services Apr 2026
- dropped Cart Functionality Apr 2026
- dropped core-js Apr 2026
- dropped Google Analytics Apr 2026
- dropped Leadfeeder Apr 2026
- dropped Modernizr Apr 2026
- dropped Squarespace Apr 2026
- dropped Squarespace Commerce Apr 2026
- dropped Stimulus Apr 2026
- dropped Typekit Apr 2026
- dropped YUI Apr 2026
- detected Cloudflare Mar 2026
- detected Google Font API Mar 2026
- detected HTTP/3 Mar 2026
- detected Next.js Mar 2026
- detected Next.js App Router Mar 2026
- detected Node.js Mar 2026
- detected React Mar 2026
- detected Render Mar 2026
- detected Tailwind CSS Mar 2026
- detected Turbopack Mar 2026
- detected Webpack Mar 2026
- dropped Lodash Sep 2025
- dropped Sentry Aug 2025