What powers keyschool.org?
Last seen Aug 2026 · 31 technologies across 14 categories
Analytics
Cloudflare Browser Insights
since Jun 2021
Google Analytics
since Aug 2018
CDN
Cloudflare
since Aug 2019
Databases
Editors
Font scripts
JavaScript Frameworks
JavaScript libraries
Htmx
since Nov 2025
libphonenumber
since Jul 2025
Lightbox
since Jul 2023
Preact
since Feb 2023
Selectize
since Nov 2022
Underscore.js
since Aug 2026
Miscellaneous
HTTP/3
since Sep 2022
Open Graph
since Sep 2022
Programming languages
Java
since Sep 2021
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Aug 2018
Translation
Weglot
since Apr 2022
Video players
VideoJS
since May 2026
Webmail
Google Workspace
since Aug 2022
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 76% desktop
- 24% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.02 / 10 · ranked #553,418 of all domains
78 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.9 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 2300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 18.8 MB · 103 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Backbone.js Aug 2026
- detected GSAP Aug 2026
- detected Stimulus Aug 2026
- detected Underscore.js Aug 2026
- detected VideoJS May 2026
- detected Htmx Nov 2025