Possibly I have missed a setting, but I use a site's favicon (alone, no text) in the bookmarks bar in other browsers. It's quicker to recognise and click on than reading text, and I can fit more bookmarks into the bar. I stopped using Safari when they stopped allowing this, and now they do allow it again. If Orion would support this, I would prefer it over Safari given its support for extensions.
Attached is an image of my Firefox bookmarks bar - lots of entries and very quick to recognise and select the desired one:
