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
2,858,286
643,558 of which are redirects.
USA Live Sites
83,347
Estimated
Top 1m
3.76%
37,629
Top 100k
7.08%
7,079
Top 10k
11.97%
1,197
United States
83,346*
United Kingdom
4,552*
Canada
3,220*
Germany
2,784*
Russia
2,075*
France
1,831*
Australia
1,398*
Spain
1,126*
Brazil
1,034*
Italy
879*
Netherlands
860*
.co
692*
Iran
680*
India
670*
Japan
620*
China
620*
Poland
553*
Mexico
461*
Czech Republic
411*
Indonesia
367*
Argentina
351*
Ukraine
338*
Switzerland
332*
Sweden
325*
Greece
272*
Finland
262*
.tv
246*
New Zealand
240*
Belgium
240*
.me
230*
Portugal
230*
Austria
227*
Taiwan
224*
Hungary
224*
Turkey
221*
Romania
215*
Norway
186*
.io
186*
Denmark
180*
Chile
164*
Ireland
148*
South Africa
145*
Slovakia
145*
Singapore
142*
Hong Kong
139*
Israel
136*
Bulgaria
129*
Saudi Arabia
126*
Vietnam
113*
Thailand
113*
Cocos Islands
101*
Malaysia
101*
Nigeria
98*
South Korea
94*
Belarus
94*
Pakistan
91*
Croatia
91*
Ecuador
88*
Egypt
88*
Slovenia
85*
Philippines
79*
UAE
75*
Serbia
63*
Lithuania
56*
Costa Rica
53*
Estonia
53*
Uruguay
50*
Algeria
50*
Kazakhstan
47*
Tonga
44*
Sri Lanka
44*
Latvia
44*
Peru
41*
Dominican Republic
41*
Luxembourg
41*
Kenya
37*
Kuwait
37*
Venezuela
31*
Jordan
31*
Samoa
31*
Panama
28*
Palau
28*
Bolivia
28*
Iceland
25*
Guernsey
25*
Bangladesh
25*
Morocco
25*
Micronesia
22*
Belize
22*
Ghana
22*
Guatemala
22*
Iraq
22*
Azerbaijan
22*
Oman
22*
Uganda
22*
Malta
18*
Nicaragua
18*
Albania
18*
Mongolia
18*
El Salvador
18*
Paraguay
18*
Isle of Man
18*
Macedonia
18*
Armenia
18*
Yemen
15*
Anguilla
15*
Tanzania
15*
Afghanistan
15*
Qatar
15*
Uzbekistan
15*
Georgia
15*
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