What powers jeffsu.org?
Last seen Jun 2026 · 39 technologies across 19 categories
Analytics
Caching
Varnish
since Jul 2021
CDN
CMS
Customer data platform
Rudderstack
since May 2024
Ecommerce
Kajabi
since May 2024
ConvertKit
since Sep 2025
Font scripts
Google Font API
since May 2021
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Vercel
since Sep 2023
Payment processors
Paddle
since Sep 2023
Programming languages
Security
Cloudflare Bot Management
since Sep 2023
HSTS
since Sep 2023
Tag managers
Google Tag Manager
since Jul 2021
Web frameworks
Ruby on Rails
since May 2024
Web servers
Webmail
Google Workspace
since Aug 2022
Audience
- 88% desktop
- 12% phone
Singapore
United Arab Emirates
United States
India
Germany
United Kingdom
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.42 / 10 · ranked #979,422 of all domains
33 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Fastly
- Weight: 2.0 MB · 56 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.jeffsu.org | 24 |
| academy.jeffsu.org | 18 |
| screenshot.jeffsu.org | 12 |
Full technology history →
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Recent changes
- dropped Stripe Oct 2025
- detected Tinybird Oct 2025
- detected ConvertKit Sep 2025