TidyToolsTech Stack Index · detected

Technology · JavaScript library

Websites using Underscore.js

As of 2026-10-02, Underscore.js (JavaScript library) is detected on 7 of the 748 popular websites we analysed (0.9%), including uk.com, washington.edu, state.gov, eu.com and us.com.

Websites using Underscore.js (7)

Technologies often used together with Underscore.js

TechnologySites
jQuery7
Google Tag Manager6
PHP4
WordPress4
Google Fonts3
Modernizr3
Nginx3
Apache HTTP Server2
Backbone.js2
Cloudflare2

By site category

other (3), government (2), education (1), tech (1).

FAQ

How many popular websites use Underscore.js?
As of 2026-10-02, Underscore.js (JavaScript library) is detected on 7 of the 748 popular websites we analysed (0.9%), including uk.com, washington.edu, state.gov, eu.com and us.com.
Which websites use Underscore.js?
cbl.gov.ly, clever.com, eu.com, state.gov, uk.com, us.com and washington.edu.
How do I find out what technology a website uses?
Open the site's page in the Tech Stack Index, or run the Tech Stack Detector API on any domain: it reads the home page HTML and headers and lists the CMS, framework, CDN and analytics with evidence.

Other JavaScript library technologies

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