Can PluginView detect JsObservable without logging in?

Yes. PluginView only reads publicly accessible responses when checking for JsObservable — typically public page signals. It does not bypass authentication or paywalls.

What category is JsObservable?

JsObservable is classified under JavaScript libraries in the PluginView directory.

How many fingerprint rules cover JsObservable?

This reference currently tracks 0 fingerprint rules. Individual rule bodies are proprietary and are not published.

Detect JsObservable

JavaScript libraries

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.

Websites using JsObservable

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What a detection means

Establishes: One or more public signals on the scanned page matched a known JsObservable signature (catalog rules) 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.

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 the JsObservable signature set (0 rules).
3. Review the confidence score and text explanation for JsObservable on the results page.

FAQ: detecting JsObservable

Can PluginView detect JsObservable without logging in?: Yes. PluginView only reads publicly accessible responses when checking for JsObservable — typically public page signals. It does not bypass authentication or paywalls.
What category is JsObservable?: JsObservable is classified under JavaScript libraries in the PluginView directory.
How many fingerprint rules cover JsObservable?: This reference currently tracks 0 fingerprint rules. Individual rule bodies are proprietary and are not published.