What powers jchristoff.com?
Last seen Jun 2026 · 20 technologies across 14 categories
Analytics
Google Analytics
since Jan 2019
CDN
Cloudflare
since Dec 2021
jsDelivr
since Dec 2021
Customer data platform
Rudderstack
since May 2024
Ecommerce
Kajabi
since Dec 2021
Font scripts
Google Font API
since Jan 2019
Issue trackers
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Popper
since Apr 2022
PaaS
Heroku
since Dec 2021
Programming languages
Ruby
since Dec 2021
Security
Cloudflare Bot Management
since Dec 2021
Video players
Wistia
since Dec 2021
Web frameworks
Ruby on Rails
since Dec 2021
Webmail
Google Workspace
since Aug 2022
Audience
- 53% phone
- 48% desktop
United Kingdom
Canada
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.35 / 10 · ranked #1,066,761 of all domains
86 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 50 ms |
| CLS | 0.15 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 9.1 MB · 56 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.jchristoff.com | 19 |
| courses.jchristoff.com | 18 |
| jchristoff.com | 15 |
Full technology history →
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Recent changes
- detected Sentry Mar 2026