What powers sheartschool.org?
Last seen Jun 2026 · 16 technologies across 9 categories
CDN
Amazon CloudFront
since Jul 2019
Google Hosted Libraries
since Sep 2022
Font scripts
JavaScript libraries
Operating systems
Red Hat
since Jul 2019
PaaS
Amazon Web Services
since Jul 2019
Programming languages
Web server extensions
Web servers
Apache Tomcat
since Jul 2019
Webmail
Apple iCloud Mail
since Jan 2023
Google Workspace
since Sep 2022
Audience
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.24 / 10 · ranked #9,438,195 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Amazon CloudFront
- Weight: 6.1 MB · 77 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Adobe Audience Manager Jun 2026
- dropped core-js Jun 2026
- dropped Facebook Pixel Jun 2026
- dropped Google Analytics Jun 2026
- dropped Google Tag Manager Jun 2026
- dropped Microsoft Clarity Jun 2026
- dropped theTradeDesk Jun 2026
- detected Apache HTTP Server Sep 2025
- detected Apache Tomcat Sep 2025
- detected mod_jk Sep 2025
- detected OpenSSL Sep 2025
- detected PHP Sep 2025
- detected Red Hat Sep 2025
- detected Adobe Audience Manager Aug 2025
- detected theTradeDesk Aug 2025