It's a VERY common use case to have multiple different browser tabs open to different articles being edited on the back end in the Doc360 portal. Because you commonly need to make similar changes across several different articles at the same time.
As the attached screenshot demonstrates, the READER site correctly displays the article title (in the first tab at the top of the screenshot), but the PORTAL site displays only generic project names. (As shown in the 2nd and 3rd tabs in the screenshot.)
This makes it VERY difficult to understand which tab equates to which article. It also leads to potential error situations where you end up opening the SAME article for editing in TWO DIFFERENT tabs, and make different edits in each tab. Obviously, this is bad and can lead to data loss.