Category - JavaScript Libraries

YUI is a free, open source JavaScript and CSS framework for building richly interactive web applications.

We have discovered 37,601 live websites that are using YUI.

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Technology usage statistics

Websites using YUI 37,601 websites
Most popular in the country United States of America
Market position in JavaScript Libraries #119
Market share in JavaScript Libraries <0.1%
Most popular version 2

Technology adoption

Recent changes in YUI usage. (See YUI Usage Changes report)
Websites that added YUI +961
Websites that dropped YUI -1,094
Websites that changed version of YUI 7

Distribution by websites popularity

YUI detection in the top websites by popularity
Top 10k sites 33 websites
Top 100k sites 149 websites
Top 1m sites 2,220 websites

Websites utilizing YUI

Top websites that use YUI

Domain Country Rank Contacts
www.flickr.com United States of America 43
www.cbc.ca United States of America 163
launchpad.net United Kingdom 792
www.alsa.org United States of America 1,827
www.ntnu.edu Norway 2,109
www.o2.co.uk United States of America 2,171
See full domain list
Flat price per the report, subscription is not required.

Market Share

YUI market share within the JavaScript Libraries category

Geographical Distribution

Technology usage distribution by websites across the globe.

Alternative Names

  • YUI Library
  • Yahoo! User Interface Library


  • 0 (4 subversions, 178 domains)
  • 1 (2 subversions, 41 domains)
  • 2 (13 subversions, 2,452 domains)
  • 3 (25 subversions, 1,029 domains)

YUI often used together with

Category - JavaScript Frameworks.
AlloyUI is used together with YUI on 0 domains. Total 8,464 domains found using AlloyUI
Category - CMS.
Liferay is used together with YUI on 0 domains. Total 9,083 domains found using Liferay

Alternative Technologies

AD Gallery: Total 5,002 domains found using AD Gallery
Alertify JS: Total 9,754 domains found using Alertify JS
Amaze UI: Total 5,966 domains found using Amaze UI
Answers: Total 515 domains found using Answers
AnythingSlider: Total 10,111 domains found using AnythingSlider
Apache ECharts: Total 3,643 domains found using Apache ECharts
Apollo: Total 3,805 domains found using Apollo
Basic jQuery Slider: Total 12,188 domains found using Basic jQuery Slider
basket.js: Total 27 domains found using basket.js
Bifrost: Total 1,806 domains found using Bifrost