What powers o.school?
Last seen Jun 2026 · 27 technologies across 14 categories
Analytics
Ahrefs
since Oct 2025
Google Analytics
since Jan 2019
Caching
Varnish
since Jan 2019
CDN
cdnjs
since Nov 2021
Cloudflare
since May 2022
Google Hosted Libraries
since Feb 2022
jsDelivr
since Jul 2020
Ecommerce
Feed readers
Beehiiv RSS feed
since Oct 2023
Font scripts
Google Font API
since May 2019
JavaScript libraries
Miscellaneous
Page builders
Webflow
since Nov 2019
Programming languages
Lua
since Jan 2019
Security
Tag managers
Google Tag Manager
since Sep 2019
Web servers
Webmail
Google Workspace
since Aug 2022
Audience
- 80% phone
- 20% desktop
United States
India
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.69 / 10 · ranked #353,778 of all domains
122 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 2300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 2.2 MB · 109 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.o.school | 22 |
| o.school | 11 |
Full technology history →
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Recent changes
- detected Ahrefs Oct 2025