Detect spin.js
Configurable JavaScript/CSS spinner that can be used as a resolution-independent loading indicator
01
Websites using spin.js
14 hostnames in the PluginView corpus for this technology.
| Hostname | Last seen |
|---|---|
| std.com | 8/3/2026 |
| mpl.org | 8/4/2026 |
| copenhagencard.com | 8/4/2026 |
| powerdmarc.com | 8/4/2026 |
| opentutorials.org | 8/4/2026 |
02
What a detection means
- Establishes
- One or more public signals on the scanned page matched a known spin.js signature at the time of the scan.
- Does not establish
- A sitewide install of spin.js, an active vendor contract, exclusive use, or that spin.js is still in place today.
03
How to check a site for spin.js
- 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest spin.js signals.
- 2. PluginView reads only public responses and scores them against proprietary spin.js fingerprints. Rule bodies and identifiers are not published.
- 3. Review the confidence score and text explanation for spin.js on the results page.
04
FAQ: detecting spin.js
- Can PluginView detect spin.js without logging in?
- Yes. PluginView only reads publicly accessible responses when checking for spin.js. It does not bypass authentication or paywalls.
- What category is spin.js?
- spin.js is classified under JavaScript graphics in the PluginView directory.
- Does PluginView publish spin.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.