What powers jfr.org?
Last seen Jun 2026 · 26 technologies across 17 categories
Analytics
Google Analytics
since Feb 2019
Blogs
CDN
Cloudflare
since Nov 2020
Google Hosted Libraries
since Feb 2025
CMS
MemberStack
since Jun 2025
Databases
MySQL
since Feb 2019
MailChimp
since Feb 2019
Font scripts
Google Font API
since Feb 2025
Hoefler&Co
since May 2022
Form builders
Hosting panels
Plesk
since Nov 2020
JavaScript libraries
Miscellaneous
Page builders
Webflow
since Feb 2025
Programming languages
Security
SEO
Tag managers
Google Tag Manager
since Mar 2026
Webmail
Microsoft 365
since Aug 2022
Audience
- 71% desktop
- 29% phone
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.00 / 10 · ranked #568,402 of all domains
86 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 2.0 MB · 60 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| jfr.org | 18 |
| www.jfr.org | 16 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Turnstile Mar 2026
- detected Google Tag Manager Mar 2026
- dropped Svelte Mar 2026
- detected Svelte Jan 2026
- dropped Svelte Nov 2025
- dropped Cloudflare Turnstile Sep 2025
- dropped jsDelivr Aug 2025