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 5,527* 9,689*
Prototype Prototype 3,751* 1,353*
MooTools MooTools 3,513* 632*
script.aculo.us script.aculo.us 3,406* 1,125*
Backbone.js Backbone.js 3,027* 1,681*
Yahoo User Interface Competitors and Similar

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

Site Totals

Total Live
5,324,765
3,110,037 of which are redirects.
USA Live Sites
99,239
Estimated
Top 1m
4.37%
43,744
Top 100k
8.4%
8,404
Top 10k
15.69%
1,569
United States
99,238*
United Kingdom
4,628*
Canada
3,521*
Germany
2,809*
Russia
2,296*
France
1,718*
Australia
1,594*
Spain
1,192*
Brazil
1,069*
Italy
939*
Iran
908*
.co
873*
China
841*
Netherlands
828*
India
822*
Japan
689*
Mexico
556*
Poland
544*
Indonesia
490*
Ukraine
382*
Greece
370*
Czech Republic
367*
Sweden
344*
Taiwan
332*
Argentina
329*
New Zealand
325*
Finland
322*
.me
300*
Turkey
287*
Switzerland
284*
.tv
275*
Portugal
234*
Romania
227*
Belgium
221*
Malaysia
215*
Austria
215*
.io
211*
Ireland
199*
Hong Kong
196*
Hungary
193*
Israel
189*
Chile
189*
Denmark
180*
Singapore
180*
Norway
174*
South Africa
161*
Thailand
148*
Saudi Arabia
145*
Vietnam
142*
UAE
129*
Slovakia
120*
Ecuador
117*
Nigeria
110*
Pakistan
107*
Belarus
107*
Philippines
101*
Croatia
101*
Cocos Islands
98*
South Korea
88*
Egypt
85*
Bulgaria
85*
Lithuania
79*
Slovenia
72*
Algeria
69*
Venezuela
63*
Tonga
56*
Kazakhstan
56*
Sri Lanka
53*
Costa Rica
50*
Uruguay
47*
Estonia
47*
Peru
44*
Iceland
44*
Dominican Republic
44*
Serbia
44*
Palau
41*
Jordan
41*
Samoa
34*
Bangladesh
34*
Bolivia
34*
Morocco
31*
Guernsey
28*
Latvia
28*
Guatemala
28*
Luxembourg
28*
Azerbaijan
28*
Kuwait
28*
Panama
25*
Kenya
25*
Cuba
25*
Belize
25*
Iraq
25*
Bahrain
25*
Uganda
25*
Uzbekistan
25*
Micronesia
22*
Cyprus
22*
Niue
22*
Afghanistan
22*
Tanzania
22*
Malta
18*
El Salvador
18*
Anguilla
18*
Oman
18*
Paraguay
18*
Nicaragua
18*
Ghana
15*
Albania
15*
Jamaica
15*
Georgia
15*
Mongolia
15*
Sudan
15*
Mozambique
15*
Bhutan
15*
Mali
15*
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