As of the release of the new top bar on mobile (which is fantastic), any site with a sufficiently long name will completely break out of the top bar. The below problem occurs in the stock browser for Android, in which the screenshots are taken. My device is a HTC One running Android 4.3.
This is the current front page of Science Fiction & Fantasy in mobile:
It looks like this with the user bar expanded. Note the hovering magnifying glass and the white bar still being present: