What powers groundschool.com?
Last seen Jun 2026 · 32 technologies across 19 categories
Advertising
Microsoft Advertising
since Apr 2025
Analytics
Google Analytics
since Mar 2020
Microsoft Clarity
since Nov 2024
CDN
Amazon CloudFront
since Mar 2020
Amazon S3
since Apr 2022
Cookie compliance
AdRoll CMP System
since Feb 2024
Amazon SES
since Aug 2022
Sendgrid
since Dec 2024
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Live chat
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Miscellaneous
PaaS
Amazon Web Services
since Mar 2020
Performance
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Programming languages
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Security
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UI frameworks
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Webmail
Apple iCloud Mail
since Nov 2023
Microsoft 365
since Aug 2022
Audience
- 86% desktop
- 14% phone
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.90 / 10 · ranked #1,764,048 of all domains
17 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Amazon CloudFront
- Weight: 11.0 MB · 130 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| groundschool.com | 22 |
| flywithtrent.groundschool.com | 16 |
| instructorview.groundschool.com | 13 |