Detect Howler.js
Howler.js is an audio library with support for the Web Audio API and a fallback mechanism for HTML5 Audio.
01
Websites using Howler.js
2 hostnames in the PluginView corpus for this technology.
| Hostname | Last seen |
|---|---|
| acast.com | 8/6/2026 |
| seuil.com | 8/5/2026 |
02
What a detection means
- Establishes
- One or more public signals on the scanned page matched a known Howler.js signature at the time of the scan.
- Does not establish
- A sitewide install of Howler.js, an active vendor contract, exclusive use, or that Howler.js is still in place today.
03
How to check a site for Howler.js
- 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest Howler.js signals.
- 2. PluginView reads only public responses and scores them against proprietary Howler.js fingerprints. Rule bodies and identifiers are not published.
- 3. Review the confidence score and text explanation for Howler.js on the results page.
04
FAQ: detecting Howler.js
- Can PluginView detect Howler.js without logging in?
- Yes. PluginView only reads publicly accessible responses when checking for Howler.js. It does not bypass authentication or paywalls.
- What category is Howler.js?
- Howler.js is classified under JavaScript libraries in the PluginView directory.
- Does PluginView publish Howler.js 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.
