What powers theupside.us?
Last seen May 2026 · 19 technologies across 13 categories
Analytics
Blogs
Substack
since Aug 2022
CDN
Cloudflare
since Aug 2022
Issue trackers
JavaScript frameworks
React
since Feb 2026
JavaScript libraries
Preact
since Aug 2022
Miscellaneous
Performance
Priority Hints
since Nov 2023
Programming languages
Node.js
since Aug 2022
Security
Cloudflare Bot Management
since Aug 2022
HSTS
since Sep 2022
UI frameworks
Headless UI
since Aug 2025
Video players
YouTube
since Aug 2022
Web frameworks
Express
since Aug 2022
Audience
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.80 / 10 · ranked #4,345,388 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 3.4 MB · 234 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected React Feb 2026
- detected React Router Feb 2026
- detected YouTube Nov 2025
- detected Headless UI Aug 2025
- dropped YouTube Aug 2025