Yahoo User Interface Usage Statistics

The Yahoo! User Interface (YUI) Library is a set of utilities and controls, written in JavaScript, for building richly interactive web applications using techniques such as DOM scripting, DHTML and AJAX.

http://developer.yahoo.com/yui/

JavaScript Libraries and Functions · JavaScript Library

Yahoo User Interface Customers

We know of 2,214,728 live websites using Yahoo User Interface.

Yahoo User Interface Location Market Share and Movement
Technology Won Lost
jQuery jQuery 5,387* 9,648*
Prototype Prototype 3,905* 1,443*
MooTools MooTools 3,729* 630*
Backbone.js Backbone.js 3,528* 981*
script.aculo.us script.aculo.us 3,526* 1,170*
Yahoo User Interface Competitors and Similar

We know of at least 2,214,728 live websites using Yahoo User Interface.

Site Totals

Total Live
3,671,191
1,456,463 of which are redirects.
USA Live Sites
92,538
Estimated
Top 1m
4.31%
43,068
Top 100k
7.7%
7,703
Top 10k
13.07%
1,307
United States
92,537*
United Kingdom
5,502*
Canada
3,505*
Germany
2,809*
Russia
2,613*
France
2,221*
Spain
1,629*
Australia
1,480*
Italy
1,458*
Brazil
1,265*
Netherlands
1,018*
China
1,006*
Japan
889*
India
841*
Iran
835*
.co
768*
Poland
667*
Indonesia
626*
Mexico
569*
Ukraine
465*
Czech Republic
458*
Sweden
395*
Argentina
363*
Greece
360*
Switzerland
341*
Austria
322*
Belgium
313*
Finland
306*
Taiwan
303*
.tv
287*
Turkey
287*
.me
278*
Portugal
275*
Romania
272*
New Zealand
262*
Vietnam
253*
Hungary
224*
Chile
221*
.io
208*
Hong Kong
199*
Israel
193*
South Africa
189*
Norway
186*
Denmark
183*
Singapore
174*
Peru
174*
Saudi Arabia
161*
Thailand
158*
Ireland
155*
Slovakia
155*
Malaysia
142*
Ecuador
139*
Cocos Islands
132*
South Korea
132*
Pakistan
126*
Bulgaria
120*
Belarus
120*
Nigeria
117*
Croatia
113*
Kazakhstan
113*
Egypt
104*
Philippines
98*
Lithuania
98*
UAE
85*
Slovenia
85*
Algeria
75*
Serbia
72*
Latvia
63*
Uruguay
60*
Sri Lanka
60*
Dominican Republic
60*
Kenya
60*
Uzbekistan
56*
Costa Rica
53*
Estonia
50*
Oman
50*
Venezuela
47*
Jordan
47*
Kuwait
47*
Bolivia
44*
Iceland
41*
Tonga
37*
Bangladesh
37*
Micronesia
34*
Azerbaijan
34*
Albania
31*
Luxembourg
31*
Samoa
31*
El Salvador
31*
Morocco
31*
Ghana
28*
Uganda
28*
Panama
25*
Armenia
25*
Palau
25*
Tunisia
25*
Paraguay
25*
Tanzania
25*
Bosnia and Herzegovina
25*
Guernsey
22*
Iraq
22*
Guatemala
22*
Anguilla
22*
Afghanistan
22*
Belize
18*
Malta
18*
Cuba
18*
Nicaragua
18*
Moldova
18*
Georgia
18*
Macedonia
18*
Brunei
18*
Sudan
18*
Cyprus
15*
Mongolia
15*
Niue
15*
Bahrain
15*
Qatar
15*
Lebanon
15*
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