An XHR request can be a subresource of the current page
An XHR request can be a subresource of the current page

A subresource of the current page is marked as such so that server side
analytics tools do not count a separate page view, and uses the timing
metrics of the parent page.

The logic for tying a subresource to the parent page is server dependent
and not included in boomerang.

levexis/boomerang,lognormal/boomerang,levexis/boomerang,sdgdsffdsfff/boomerang,FredXue/boomerang,lognormal/boomerang,FredXue/boomerang,sdgdsffdsfff/boomerang