Is it a non-AJAX request?
JSF can answer this question by inspecting request headers or checking the PartialViewContext.isAjaxRequest method. The request headers that provide information about the request type are Faces-Request and X-Requested-With. For an AJAX request, the Faces-Request header will have the value partial/ajax, while the X-Requested-With request type will have the value XMLHttpRequest (in JSF 2.2, X-Requested-With doesn't seem to work; however, for the sake of completeness, you can test them again). In the following screenshot, you can see the headers of a typical JSF 2.2 AJAX request:
In a managed bean, you can determine the type ...
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