YUI

Yahoo, New York, United States

YUI is a legacy, open-source JavaScript and CSS library for building interactive web applications with a focus on modular architecture and cross-browser consistency.

It includes over 30 modules covering DOM manipulation, event handling, animations, data utilities, and UI components, and provides a dependency management system with dynamic module loading.

According to our data, YUI ranks 154th among the JavaScript libraries we track.
It has 0.2% of the JavaScript library market share and is detected on 0.1% of all websites.

Statistics based on 3.4M+ analyzed websites. About this data

💸 Pricing

YUI is available for free.

Free ✔️Open source

📊 Rankings and Market Share

🏆 YUI Awards

⚡ Sites Using YUI

We have data on 3,775 websites that use the YUI JavaScript library. Here is a list of some of the top ranked ones.

The highest rated site using YUI is hepsiburada.com.

#WebsiteRankCountryLanguage
1 hepsiburada.com #505 Turkey Turkish
2 ox.ac.uk #1,299 United Kingdom English
3 kontur.ru #1,916 Russia
4 smule.com #2,299 United States English
5 moodle.org #2,438 English
6 forocoches.com #4,613 Spain Spanish
7 blueletterbible.org #7,561 United States English
8 jmu.edu #7,840 United States English
9 planetsuzy.org #10,134 Netherlands English
10 e-tesda.gov.ph #10,907 Philippines English
11 gaiaonline.com #11,232 English
12 calibre-ebook.com #12,111 United States English
13 guildwars2.com #12,201 Korea American English
14 dvidshub.net #12,683 English
15 launchpad.net #14,151 United Kingdom English
16 givesmart.com #16,065 United States American English
17 ksoutdoors.gov #17,076 United States American English
18 spacetimestudios.com #17,961 English
19 bogota.gov.co #20,120 Colombia Spanish
20 alsa.org #21,234 United States

📈 Usage Statistics

Most of the sites that use YUI:

Most of the sites using YUI are from the United States, Russia, and Germany.

  • United States 26%
  • Russia 6.2%
  • Germany 6%
  • United Kingdom 4.9%
  • Japan 4.2%
  • France 3.8%
  • Spain 3.7%
  • Canada 3.4%
  • Italy 3.4%
  • Other 38.4%

Most YUI users speak English, Spanish, or Russian.

  • English 62.7%
  • Spanish 6.2%
  • Russian 5.5%
  • German 3.9%
  • Japanese 3.2%
  • Arabic 2.5%
  • French 2.2%
  • Italian 1.5%
  • Portuguese 1.3%
  • Other 11%

The YUI JavaScript library is especially popular on .com, .org, and .net top-level domains.

  • .com 39.8%
  • .org 15.3%
  • .net 6%
  • .ru 3.6%
  • .de 2.6%
  • .it 1.7%
  • .ca 1.4%
  • .co.uk 1.2%
  • .fr 1.1%
  • Other 27.3%

The primary market segments for websites utilizing YUI include forum, bulletin boards, business, and education and reference.

  • Forum/Bulletin Boards 19.6%
  • Business 10%
  • Education/Reference 9.5%
  • Marketing/Merchandising 8.2%
  • Non-Profit/Advocacy/NGO 6%
  • Health 4.6%
  • Entertainment 4%
  • Technical/Business Forums 3%
  • Blogs/Wiki 2.9%
  • Other 32.2%

🔢 YUI Versions

The most widespread version of YUI is 2.9, used by 69.6% of sites where versions were detected. In addition, 7.2% of sites use YUI 3.18, and 3.7% use YUI 2.7.

  • 2.9 69.6%
  • 3.18 7.2%
  • 2.7 3.7%
  • 2.8 2%
  • 3.3 2%
  • 3.6 1.8%
  • 2.6 1.7%
  • 2.5 1.6%
  • 3.17 1.6%
  • Other 8.8%

🕵️ Similar Technologies

These are some of the best YUI alternatives.

RankName
1
jQuery
San Francisco, California, United States

A fast, small, feature-rich JavaScript library designed to simplify HTML DOM tree traversal and manipulation, event handling, CSS animations, and Ajax.

FreeOpen source
68
MooTools

A collection of JavaScript utilities for DOM management, AJAX, and event handling.

FreeOpen source
87
Prototype

A JavaScript framework that aims to ease development of dynamic web applications.

FreeOpen source
129
Scriptaculous

A set of JavaScript libraries to enhance the user interface of web sites.

FreeOpen source
232
Zepto
Tucson, Arizona, United States

A lightweight and modular open-source JavaScript library with a largely jQuery-compatible API, designed for modern browsers and optimized for fast execution and small file size.

FreeOpen source

🆚 Compare Alternatives

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💬 Frequently Asked Questions

What is the company behind YUI?

YUI is owned by Yahoo! Inc., headquartered in New York, United States.

Is YUI free?

Yes, it is a free JavaScript library.
It is also an open-source solution, and you can access its source code on GitHub.

Which country uses YUI the most?

The majority of YUI users are from the United States.

Who uses YUI?

According to our data, YUI is used on thousands of sites, including such established ones as hepsiburada.com, ox.ac.uk, and kontur.ru.

Is YUI used on government websites?

Yes, for example, it is used by e-tesda.gov.ph, ksoutdoors.gov, and bogota.gov.co. In total, we found YUI on 4 government sites in the United States.

Do academic institutions use YUI?

Yes. The most notable of these are ox.ac.uk and jmu.edu. Overall, we know of 11 academic websites in the United States that use YUI.

How does YUI stack up against its competitors?

YUI is a moderately popular JavaScript library, ranking ahead of 156 other JavaScript libraries we track.

What are the alternatives to YUI?

Alternatives and possible competitors to YUI may include jQuery, MooTools, and Prototype.

👉 See Also

🗃️ About This Data