jQuery
jQuery Migrate
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jQuery UI
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Underscore.Js
Sales outreach
All 14,947 of these sites already run YUI, with the higher education segment leading at 194 sites. Pitch the products and services that fit that exact stack.
Websites using YUI
Software Development JavaScript Libraries Visit website
YUI is a free, open source JavaScript and CSS library for building interactive web applications. The library is no longer actively maintained and was developed by frontend engineers at Yahoo!.
Up to 1M sites per list · Segment by country & TLD to cover the full footprint · Unlimited report rebuilds for 1 month
- Live websites detected
- 14,947
- Countries with usage
- 137
- Top market: United States
- 🇺🇸 51.7%
YUI global heatmap
darker = more sitesYUI usage by country
by sites detected-
01 🇺🇸 United States 7,706 51.7%
-
02 🇩🇪 Germany 921 6.2%
-
03 🇳🇴 Norway 445 3%
-
04 🇬🇧 United Kingdom 442 3%
-
05 🇨🇦 Canada 416 2.8%
-
06 🇮🇹 Italy 398 2.7%
-
07 🇷🇺 Russia 364 2.4%
-
08 🇫🇷 France 303 2%
-
09 🇦🇷 Argentina 274 1.8%
-
10 🇯🇵 Japan 266 1.8%
And 127 more countries in the full dataset.
Need every YUI site in one market? Unlock YUI once and rebuild filtered reports as often as you like for a month: by country, TLD, or stack combination, each with up to 20 data points per site.
Start from $39/moYUI usage by country group
by sites detected-
01 English-Speaking Countries 27 countries 9,114 61.2%
-
02 North America 5 countries 8,127 54.6%
-
03 Europe 46 countries 4,833 32.4%
-
04 Western Europe 22 countries 3,829 25.7%
-
05 European Union (EU) 27 countries 3,373 22.6%
-
06 DACH 4 countries 1,265 8.5%
-
07 Eastern Europe 21 countries 1,001 6.7%
-
08 Asia-Pacific (APAC) 26 countries 984 6.6%
-
09 BRICS 10 countries 845 5.7%
-
10 Nordics 7 countries 705 4.7%
Country groups overlap: a country can belong to several at once (Germany counts toward Europe, Western Europe, the EU and DACH). Percentages are each group's share of the 14,895 sites with a known country, so they describe overlapping views of the same data and do not add up to 100%.
Top websites using YUI
by popularity| # | Website | Popularity | StackSpend | Country | TLD |
|---|---|---|---|---|---|
| 01 |
 launchpad.net
|
262 | $14.35K+ | 🇬🇧 United Kingdom | net |
| 02 |
 ixl.com
|
1,197 | $2.5M+ | 🇺🇸 United States | com |
| 03 |
 moodle.org
|
1,964 | $6.14K+ | 🇺🇸 United States | org |
| 04 |
 canonical.com
|
2,536 | $2.5M+ | 🇬🇧 United Kingdom | com |
| 05 |
 uspto.gov
|
2,893 | $9.13K+ | 🇺🇸 United States | gov |
| 06 |
 dns.com
|
3,155 | $4.16K+ | 🇨🇳 China | com |
| 07 |
 heart.org
|
4,265 | $403K+ | 🇺🇸 United States | org |
| 08 |
 openlibrary.org
|
5,525 | $2.25K+ | 🇺🇸 United States | org |
| 09 |
 r-project.org
|
6,455 | $200K+ | 🇦🇹 Austria | org |
| 10 |
 usg.edu
|
7,060 | $443K+ | 🇺🇸 United States | edu |
| 11 |
 alz.org
|
7,065 | $430K+ | 🇺🇸 United States | org |
| 12 |
 forocoches.com
|
7,986 | $6.11K+ | 🇪🇸 Spain | com |
| 13 |
 medallia.eu
|
8,686 | $320K+ | 🇫🇷 France | eu |
| 14 |
 umt.edu
|
10,332 | $124K+ | 🇺🇸 United States | edu |
| 15 |
 drexel.edu
|
10,627 | $188K+ | 🇺🇸 United States | edu |
| 16 |
 american.edu
|
10,753 | $294K+ | 🇺🇸 United States | edu |
| 17 |
 fordham.edu
|
11,118 | $285K+ | 🇺🇸 United States | edu |
| 18 |
 louisville.edu
|
12,816 | $116K+ | 🇺🇸 United States | edu |
| 19 |
 sjsu.edu
|
13,277 | $465K+ | 🇺🇸 United States | edu |
| 20 |
 depaul.edu
|
13,460 | $161K+ | 🇺🇸 United States | edu |
This is 20 of 14,947 websites. Download up to 1M sites per list as CSV, enriched with firmographics.
Companies using YUI
sample, enriched| Company | Website | Employees | Industry | Country | Founded |
|---|---|---|---|---|---|
| Scotweb Clan |
 scotweb.co.uk
|
- | - | 🇺🇳 - | - |
| Norfolk County Council |
 norfolk.gov.uk
|
5001-10000 | Government Administration | 🇬🇧 United Kingdom | - |
| Rochester Regional Health |
 rochesterregional.org
|
10001+ | Hospitals and Health Care | 🇺🇸 United States | - |
| Symplicity |
 symplicity.com
|
51-200 | Software Development | 🇺🇸 United States | 1996 |
| Krankenhaus Porz Am Rhein |
 khporz.de
|
1001-5000 | Hospitals and Health Care | 🇩🇪 Germany | 1967 |
| Marmul Travel & Tours |
 marmultravels.com
|
11-50 | Travel Arrangements | 🇺🇳 - | - |
| Don R Adams, Cs | donradams.com | 1-10 | - | 🇺🇸 United States | - |
| GT GROUP TOMASZEK |
 gtpoland.eu
|
201-500 | Retail | 🇵🇱 Poland | - |
| RACSA_CR |
 racsa.go.cr
|
501-1000 | Telecommunications | 🇨🇷 Costa Rica | 1921 |
| Guild Wars 2 |
 guildwars2.com
|
- | - | 🇺🇸 United States | - |
| Collin College Police Department |
 collin.edu
|
51-200 | Law Enforcement | 🇺🇸 United States | - |
| It4e GmbH |
 it4e.de
|
11-50 | IT Services and IT Consulting | 🇩🇪 Germany | 2016 |
| ASL Napoli 3 Sud |
 aslnapoli3sud.it
|
5001-10000 | Hospitals and Health Care | 🇺🇳 - | - |
| Innovative Livestock Services |
 ilsbeef.com
|
201-500 | Food Production | 🇺🇸 United States | 2006 |
| Sonnenplatz Großschönau GmbH |
 sonnenplatz.at
|
1-10 | Research Services | 🇺🇳 - | 2004 |
| Kutztown University |
 kutztown.edu
|
10001+ | Higher Education | 🇺🇸 United States | 1866 |
| The University Of Tennessee Health Science… |
 uthsc.edu
|
1001-5000 | Higher Education | 🇺🇸 United States | 1911 |
| Zayed University |
 zu.ac.ae
|
501-1000 | Higher Education | 🇦🇪 United Arab Emirates | 1998 |
| University Of Texas At Tyler |
 uttyler.edu
|
501-1000 | Higher Education | 🇺🇸 United States | 1971 |
| Informatica |
 informatica.com
|
5001-10000 | computer software | 🇺🇸 United States | 1993 |
| Communication Workers Of America Local… | cwa4340.org | 11-50 | - | 🇺🇸 United States | - |
| Noel Kleinman Real Estate Photography |
 nkpix.com
|
- | - | 🇺🇸 United States | - |
| United Arab Emirates University |
 uaeu.ac.ae
|
1001-5000 | Higher Education | 🇦🇪 United Arab Emirates | 1976 |
| TheONbutton |
 durhamcomputerservices.com
|
1-10 | Information Technology & Services | 🇺🇳 - | 2011 |
| Carquest Auto Parts |
 carquest.com
|
10001+ | Automotive | 🇺🇸 United States | 1974 |
| Versacom |
 versacom.ca
|
201-500 | Translation and Localization | 🇨🇦 Canada | 1995 |
| Mitchell Hamline School Of Law |
 mitchellhamline.edu
|
51-200 | Higher Education | 🇺🇸 United States | 1900 |
| WAHLU (Wisconsin Association Of Health And… | wahlu.org | 1-10 | Insurance | 🇺🇸 United States | 1962 |
| Jss College Of Pharmacy, Mysuru |
 jssuni.edu.in
|
501-1000 | Higher Education | 🇮🇳 India | 1973 |
| Upmc Hillman Cancer Center |
 upmc.edu
|
5001-10000 | hospital & health care | 🇺🇸 United States | - |
| Nova Southeastern University |
 nova.edu
|
1001-5000 | Higher Education | 🇺🇸 United States | 1964 |
| Arxiu I Biblioteca Episcopal De Vic |
 abev.net
|
- | - | 🇪🇸 Spain | - |
| Holy Spirit University Of Kaslik - Usek |
 usek.edu.lb
|
201-500 | Higher Education | 🇱🇧 Lebanon | - |
| Tower Health |
 towerhealth.org
|
10001+ | hospital & health care | 🇺🇸 United States | - |
| Bikmed - Bildungsinstitut Für Kompetenz In… | bikmed.de | 11-50 | Hospitals and Health Care | 🇩🇪 Germany | - |
| Worcestershire County Cricket Club |
 wccc.co.uk
|
51-200 | Spectator Sports | 🇬🇧 United Kingdom | 1865 |
| The British University In Egypt |
 bue.edu.eg
|
5001-10000 | Higher Education | 🇪🇬 Egypt | 2005 |
| Baycrest |
 baycrest.org
|
1001-5000 | Hospitals and Health Care | 🇨🇦 Canada | 1918 |
| JimRussi.com |
 jimrussi.com
|
- | Photography | 🇺🇳 - | - |
| MINNESOTA ASSOCIATION OF VETERINARY… |
 mavt.net
|
1-10 | Veterinary Services | 🇺🇸 United States | - |
A sample of enriched company profiles. Full exports include company, social, and spend signals on every domain.
YUI usage by industry
by TLD segment-
01 Higher Education 194 14.2%
-
02 Hospitality 136 10%
-
03 IT Services and IT Consulting 115 8.4%
-
04 Non-profit Organizations 105 7.7%
-
05 Software Development 72 5.3%
-
06 Construction 65 4.8%
-
07 Photography 64 4.7%
-
08 Higher Education 63 4.6%
-
09 Real Estate 62 4.6%
-
10 Hospitals and Health Care 57 4.2%
YUI industry distribution chart
share by domain segmentYUI users by company revenue
1,226 companiesTechnologies related to YUI
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Competitor analysis
Selling jQuery, jQuery Migrate, or another JavaScript Libraries product? These 14.95K YUI users are your displacement audience, filterable by country and company size.
Market research
Top markets for YUI: United States (51.7%), Germany (6.2%), Norway (3%). Size the JavaScript Libraries market by geography before you build or invest.
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