Vertical tabs move these labels to the side.

Verticality and Usability

One look at vertical tabs is enough to see how useful they are.

The vertical tab layout suggests the feeling of an inbox or to-do list.

photo of a filing cabinet full of documents sorted using tabs

Maksym Kaharlytskyi / Unsplash

Since then, other browsers have added this feature.

Safari, predictably, has not.

Firefox users can install theTree Style Tab add-on, which adds vertical tabs, and goes one better.

Tree style tabs as they appear in Firefox

Even worse, it uses Times New Roman to display labels.

And all these tabs suffer from the same problems as surfing app tabs.

Imagine if the tab paradigm was (literally) turned on its side.

Tabs would be instantly easier to use.