Detect YUI
YUI is a JavaScript and CSS library with more than 30 unique components including low-level DOM utilities and high-level user-interface widgets.
01
Websites using YUI
14 hostnames in the PluginView corpus for this technology.
| Hostname | Last seen |
|---|---|
| ipage.com | 8/3/2026 |
| launchpad.net | 8/3/2026 |
| blueletterbible.org | 8/7/2026 |
| gaiaonline.com | 8/4/2026 |
| yuiblog.com | 8/4/2026 |
02
What a detection means
- Establishes
- One or more public signals on the scanned page matched a known YUI signature at the time of the scan.
- Does not establish
- A sitewide install of YUI, an active vendor contract, exclusive use, or that YUI is still in place today.
03
How to check a site for YUI
- 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest YUI signals.
- 2. PluginView reads only public responses and scores them against proprietary YUI fingerprints. Rule bodies and identifiers are not published.
- 3. Review the confidence score and text explanation for YUI on the results page.
04
FAQ: detecting YUI
- Can PluginView detect YUI without logging in?
- Yes. PluginView only reads publicly accessible responses when checking for YUI. It does not bypass authentication or paywalls.
- What category is YUI?
- YUI is classified under JavaScript libraries in the PluginView directory.
- Does PluginView publish YUI fingerprint rules?
- No. Detection uses proprietary fingerprint rules that are not published. Scan results explain matches in plain language without disclosing rule bodies or identifiers.