What is the point of vertical tabs?
Vertical tabs let you see stuff at a glance
A browser that allows you to put the tabs on the far right or far left side — stacked vertically. Vivaldi lets you do precisely this, and the first time I tried it, it was an absolute revelation.
Are vertical tabs good?
It's a cleaner way to organize tabs
Instead of shrinking down tab names as you open more and more tabs, vertical tabs let you see the full tab name in a cleaner list. In addition to feeling more natural, as we mentioned earlier, this allows you to click and drag your tabs from top to bottom in an order you see fit.
What is vertical tabulation?
Vertical tab was used to speed up printer vertical movement. Some printers used special tab belts with various tab spots.