The name of the site does not need to be in the title.

... because that is what site icons (favicons) are for. When I have Gmail open, for example, I already know that that is what it is because of the icon. So the title is now free to be something more specific.

Rule of the week:
Always ensure that the page title is meaningful.

That way, I don't have to look at the tab to figure out what it is all about.