Detect JsObservable
JsObservable is integrated with JsViews and facilitates observable data manipulations that are immediately reflected in the data-bound templates. The library is developed and maintained by Microsoft employee Boris Moore and is used in projects such as Outlook.com and Windows Azure.
01
Websites using JsObservable
2 hostnames in the PluginView corpus for this technology.
| Hostname | Last seen |
|---|---|
| mxtoolbox.com | 8/3/2026 |
| radiko.jp | 8/5/2026 |
02
What a detection means
- Establishes
- One or more public signals on the scanned page matched a known JsObservable signature at the time of the scan.
- Does not establish
- A sitewide install of JsObservable, an active vendor contract, exclusive use, or that JsObservable is still in place today.
03
How to check a site for JsObservable
- 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest JsObservable signals.
- 2. PluginView reads only public responses and scores them against proprietary JsObservable fingerprints. Rule bodies and identifiers are not published.
- 3. Review the confidence score and text explanation for JsObservable on the results page.
04
FAQ: detecting JsObservable
- Can PluginView detect JsObservable without logging in?
- Yes. PluginView only reads publicly accessible responses when checking for JsObservable. It does not bypass authentication or paywalls.
- What category is JsObservable?
- JsObservable is classified under JavaScript libraries in the PluginView directory.
- Does PluginView publish JsObservable 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.