What powers masterschool.org?
Last seen Jun 2026 · 17 technologies across 10 categories
Analytics
Google Analytics
since Jan 2019
Mailgun
since Jun 2024
Font scripts
Google Font API
since Jan 2021
JavaScript frameworks
JavaScript libraries
Security
HSTS
since Sep 2022
UI frameworks
Video players
Web servers
Nginx
since Jan 2021
Webmail
Microsoft 365
since Aug 2022
Audience
- 71% desktop
- 29% phone
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.63 / 10 · ranked #5,468,335 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| CLS | 0.1 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 3.0 MB · 70 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Jul 2026.
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Recent changes
- dropped Sendgrid Feb 2026