🆚 MooTools vs. YUI
- 📈 MooTools is five times more popular than YUI.
- 🌎 MooTools is more popular in the United States, Germany, and Russia.
- 🌍 YUI is more popular in Saudi Arabia, Korea, and Costa Rica.
Statistics based on 3.4M+ analyzed websites. About this data
YUIType
JavaScript library
JavaScript library
About
MooTools is a collection of 
JavaScript utilities for DOM management, AJAX, and event handling.
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.
Headquarters
New York, United States
Pricing
Free ✔️Open source
Free ✔️Open source
Categories
Popularity
Determined by the number of sites using each technology.
The MooTools JavaScript library is 5 times more popular than YUI.
Total websites
Market share
JavaScript Libraries
Popularity by country
Determined by the number of sites detected from each country.
MooTools is more popular in the United States, Germany, and Russia, while YUI is more popular in Saudi Arabia, Korea, and Costa Rica.
United States
Germany
Russia
Italy
United Kingdom
Spain
Ukraine
Poland
France
Greece
Awards
- ⬆️ 27th most popular in Belarus in the JavaScript Libraries category.
- ⬆️ 27th most popular in Kazakhstan in the JavaScript Libraries category.
- ⬆️ 30th most popular in Russia in the JavaScript Libraries category.
- ⬆️ 30th most popular in Algeria in the JavaScript Libraries category.
- ⬆️ 32nd most popular in Ukraine in the JavaScript Libraries category.
- 🔥 15th most popular in Russia in the Legacy category.
- 🔥 20th most popular in Argentina in the Legacy category.
- ⬆️ 21st most popular in Norway in the Legacy category.
- ⬆️ 23rd most popular in the United States in the Legacy category.
- ⬆️ 23rd most popular in Canada in the Legacy category.
Popularity by domain category
Determined by the number of sites in each category.
MooTools is more popular among sites focused on business, marketing and merchandising, and education and reference, while YUI is more commonly used on forum, bulletin boards and technical, business forums sites.
Business
Marketing/Merchandising
Education/Reference
Forum/Bulletin Boards
Blogs/Wiki
Non-Profit/Advocacy/NGO
Health
Internet Services
Entertainment
Travel
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
jQuery
Zepto
RxJS
Yahoo company profile🗃️ About This Data
- We evaluate the popularity of technologies based on the number of websites where we detect their usage.
- Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
- This report is based on the analysis of 3,431,368 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.