What powers jeffco.k12.co.us?
Last seen Jun 2026 · 44 technologies across 18 categories
Analytics
Facebook Pixel
since Oct 2022
Google Analytics
since Jun 2018
Hotjar
since Oct 2022
New Relic
since Jun 2018
Captchas
reCAPTCHA
since Jan 2019
CDN
CRM
Salesforce
since Nov 2022
Font scripts
JavaScript Frameworks
JavaScript libraries
jQuery Migrate
since Oct 2022
SweetAlert2
since Oct 2022
Miscellaneous
Open Graph
since Oct 2022
Oracle Dynamic Monitoring Service
since Nov 2025
Popper
since Oct 2025
Webpack
since Jan 2019
Operating systems
FreeBSD
since Apr 2018
Windows Server
since Jun 2018
Programming languages
Java
since Nov 2025
TypeScript
since Jan 2023
Security
Cloudflare Bot Management
since Nov 2022
HSTS
since Nov 2022
Tag managers
Google Tag Manager
since Oct 2022
UI frameworks
Video Players
YouTube
since Jun 2018
Web frameworks
Microsoft ASP.NET
since Jun 2018
Web servers
Webmail
Apple iCloud Mail
since Jan 2023
Outlook Web App
since Jan 2019
Widgets
FlexSlider
since Jun 2018
Audience
- 62% desktop
- 38% phone
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.45 / 10 · ranked #946,298 of all domains
57 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 1.0 MB · 14 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| jeffcoweb.jeffco.k12.co.us | 14 |
| password.jeffco.k12.co.us | 14 |
| www.jeffco.k12.co.us | 13 |
| jedi.jeffco.k12.co.us | 12 |
| jeffcoconnect.jeffco.k12.co.us | 9 |
| pam.jeffco.k12.co.us | 8 |
| careers.jeffco.k12.co.us | 5 |
| jcshr.jeffco.k12.co.us | 5 |
| campus.jeffco.k12.co.us | 4 |
| webmail.jeffco.k12.co.us | 4 |
| edtechapps.jeffco.k12.co.us | 3 |
| jeffcosurvey.jeffco.k12.co.us | 3 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped MooTools Dec 2025
- dropped Google Font API Nov 2025
- dropped Highcharts Nov 2025