What powers refmasters.app?
Last seen Jun 2026 · 31 technologies across 13 categories
Advertising
Microsoft Advertising
since Sep 2024
Analytics
CDN
Font scripts
Font Awesome
since Sep 2024
Hosting
GoDaddy
since Sep 2024
JavaScript frameworks
JavaScript libraries
Ethers
since Nov 2025
Underscore.js
since Sep 2024
Miscellaneous
Open Graph
since Sep 2024
PWA
since Sep 2024
PaaS
Amazon Web Services
since Jun 2026
Programming languages
Ruby
since Sep 2024
Rich text editors
Security
Web frameworks
Ruby on Rails
since Sep 2024
Audience
- 60% desktop
- 40% phone
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.78 / 10 · ranked #4,440,999 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.6 s |
| INP | 175 ms |
| CLS | 0.2 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 5.6 MB · 221 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 Amazon S3 Jun 2026
- detected Amazon Web Services Jun 2026
- dropped Prism Feb 2026
- dropped core-js Dec 2025
- dropped Webpack Dec 2025
- detected Emotion Nov 2025
- detected Ethers Nov 2025
- detected Prism Nov 2025
- detected React Nov 2025
- detected React Router Nov 2025