What powers fffd.us?
Last seen Jun 2026 · 28 technologies across 15 categories
Analytics
CDN
Font scripts
Google Font API
since Mar 2021
JavaScript frameworks
JavaScript graphics
Chart.js
since Nov 2024
JavaScript libraries
Miscellaneous
Open Graph
since Nov 2024
Programming languages
RUM
New Relic
since Nov 2024
Search engines
Security
UI frameworks
Web frameworks
Ruby on Rails
since Nov 2024
Web servers
Nginx
since Nov 2024
Webmail
Apple iCloud Mail
since Aug 2023
Microsoft 365
since Aug 2022
Audience
- 52% desktop
- 48% phone
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.39 / 10 · ranked #7,583,714 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 15.0 MB · 47 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Apollo Oct 2025
- detected GraphQL Oct 2025
- detected TypeScript Oct 2025