What powers eecs189.org?
Last seen Jun 2026 · 28 technologies across 16 categories
Caching
Varnish
since Nov 2021
CDN
cdnjs
since Apr 2023
Cloudflare
since Apr 2023
Fastly
since Nov 2021
jQuery CDN
since Mar 2022
jsDelivr
since Nov 2021
Mailgun
since Oct 2024
Font scripts
Google Font API
since Apr 2018
IaaS
Google Cloud
since Apr 2023
JavaScript frameworks
JavaScript libraries
SweetAlert2
since Apr 2023
Miscellaneous
PaaS
GitHub Pages
since Apr 2018
Performance
Google Cloud Trace
since Apr 2023
Programming languages
Security
HSTS
since Nov 2022
Static site generator
UI frameworks
Web frameworks
Ruby on Rails
since Jun 2018
Web servers
Audience
- 100% desktop
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.68 / 10 · ranked #2,191,588 of all domains
20 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Subdomains
| Host | Techs |
|---|---|
| oh.eecs189.org | 15 |
| www.eecs189.org | 12 |
| eecs189.org | 8 |