YUI icon

Websites using YUI

JavaScript libraries Visit clarle.github.io

YUI is a JavaScript and CSS library with more than 30 unique components including low-level DOM utilities and high-level user-interface widgets.

Lead List Exporter

8.6k live YUI sites, ready to export.

That's how many YUI websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.

Pick a ready-made template, or build your own filters in the Lead List Exporter and pay only for the rows you export.

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YUI companies in the United States

Every YUI website we detected in the United States.

Companies with personnel emails

Only sites where a personal, company-hosted email was found.

Decision makers on LinkedIn

Sites with at least one personnel LinkedIn profile.

Top 100,000 YUI sites by traffic

Start with the highest-traffic end of the dataset.

Sites on a .com domain

Limit results to YUI websites on .com domains.

Companies with phone numbers

Only sites where an organisation phone number was found.

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Live Websites

Websites Using YUI

A sample of live YUI sites from our latest crawl, with the other technologies each one runs.

Open in the Lead List Exporter
DomainAlso runsCrawl Date
autoextremist.com
LightboxGoogle AdSenseJavaDoubleClick Ad Exchange (AdX)Squarespace
September 27, 2026
ircforumcu.net
jQueryPHPHTTP/3LiteSpeedLitespeed Cache
September 27, 2026
primera-club.ru
jQueryPHPNginxGoogle MapsLiveinternet
September 27, 2026
alchamel114.org
PHPHTTP/3CloudflarevBulletin
September 27, 2026
imaginethattoys.net
jQueryPHPNginxGoogle AnalyticsreCAPTCHA
September 27, 2026
democracyarsenal.org
Apache HTTP ServerYouTubeGoogle AdSenseTwitterSite Meter
September 27, 2026
fpt.center
jQueryPHPHTTP/3LiteSpeedGoogle Hosted Libraries
September 27, 2026
heritage-eastafrica.com
jQueryHSTSApache HTTP ServerBootstrapCloudflare
September 27, 2026
nhf.no
jQueryNginxHSTSjQuery UISWFObject
September 27, 2026
okaloma.com
PHPHTTP/3CloudflareGoogle AdSensevBulletin
September 26, 2026

How many websites use YUI?

We found YUI on 8,660 websites in our September 2026 crawl, across 101 countries.

Which countries use YUI the most?

By number of websites, the top countries are United States (32%, 2,750 sites), Japan (6%, 515 sites), Germany (5%, 440 sites), Australia (5%, 439 sites) and Russia (5%, 413 sites). Together they account for 53% of the 8,660 YUI sites we track. 51% of the sites are in English, and .com is the most used domain ending, on 42% of them.

Where are YUI websites hosted?

The networks carrying the most YUI sites are Amazon.com, Inc. (2,266 sites), Cloudflare, Inc. (832 sites) and Microsoft Corporation (337 sites).

What technologies are used with YUI?

Across the 8,660 YUI sites we track, the technologies most often found alongside it are jQuery (65%, 5,614 sites), PHP (48%, 4,122 sites), Nginx (36%, 3,104 sites), HSTS (33%, 2,834 sites) and Apache HTTP Server (32%, 2,774 sites).

Deep Dive

Breakdown of YUI websites

What else they run, plus their language, hosting network, domain extension and country.

Same category

Other technologies in JavaScript libraries

JavaScript libraries technologies run on 57.54% of the websites we track. YUI ranks #104 of 187, on 0.03% of JavaScript libraries sites.

All JavaScript libraries technologies

FAQ

Answers drawn from our latest crawl of YUI websites. Anything else, email us and we will look it up.

Through our own crawl, which checks each site's HTML, scripts and headers rather than relying on self-reported data.