What is jQuery?

UI Library

jQuery is an UI or JavaScript library: Fast, small, and feature-rich JavaScript library. Tech Stack Detector identifies jQuery on any website by analysing JavaScript globals and script URLs.

jQuery is an UI or JavaScript library (UI Library), detected on 78 websites in our index. See websites using jQuery ↓

CategoryUI Library
Official sitejquery.com
Detection signals2 signals
In our index78 websites

How Tech Stack Detector detects jQuery

jQuery is matched from these signals during a single, ordinary page request. Each one contributes to the confidence score shown on a scan.

  • Js GlobaljQuery global variable
  • Script SrcjQuery script source

Websites using jQuery

Recently scanned websites where we detected jQuery. Open one to see its full technology stack.

View all websites using jQuery

Often used with jQuery

Technologies most frequently detected alongside jQuery across scanned websites.

Alternatives to jQuery

Other UI Library technologies Tech Stack Detector detects: popular alternatives and related tools, most-detected first.

Compare jQuery

Side-by-side comparisons of jQuery with other UI Library technologies.

Popular technologies

The technologies most often detected across all websites scanned on Tech Stack Detector.

Frequently asked questions

What is jQuery?

jQuery is an UI or JavaScript library: Fast, small, and feature-rich JavaScript library. Tech Stack Detector identifies jQuery on any website by analysing JavaScript globals and script URLs. Its official website is https://jquery.com.

How can I tell if a website uses jQuery?

Enter any URL into Tech Stack Detector and it reports whether jQuery is present, with a confidence score and the exact evidence it matched. Detection is based on JavaScript globals and script URLs. No login or crawling of the site is required.

How many websites use jQuery?

jQuery has been detected on 78 websites in the public Tech Stack Detector scan index. This reflects sites that visitors have analysed here, not global market share.

What are some alternatives to jQuery?

Other UI Library technologies Tech Stack Detector detects include Tailwind CSS, Bootstrap, Swiper, GSAP, styled-components and Emotion. You can compare any of them side by side with jQuery.

Data last updated October 20, 2026 · based on 618 recently scanned websites.