I have a heavily tagged bookmark collection, and searching it by tags is much more relevant than by url, title or history. Is there a way to make tags a priority, so when I type in address bar, I get matching tags first?
You can restrict what kind of results are shown in the drop down list by using customizable characters. Include the character anywhere in the address bar separated by spaces to have it restrict what results are displayed. The characters are as follows:
Also see browser.urlbar.default.behavior to customize your normal Auto Complete (AwesomeBar) search behavior at the Location Bar. Normal is to search on text strings, but can be changed to require word boundaries.
This will let you search by tags, at least, instead of openly searching everything. Using