Every major browser puts a thin strip of tabs at the top of the window. It’s great, until you open dozens of tabs, and all you can really see are little website favicons. A better way exists—placing tabs vertically in a sidebar—but browsers have been resisting it for years. Arc was the first mainstream browser that pioneered a sidebar-based navigation system, and since then it has propagated to Chrome, Edge, Firefox, and Arc’s spiritual successor, Zen browser. If you’re using one of these browsers, I highly recommend making the switch.
Why vertical tabs make more sense 
So much wasted space on the left and right. Credit: Khamosh Pathak
Most websites are customized for a vertical reading experience, while laptops and desktops have widescreen displays. When you read articles on a website like Lifehacker, there’s quite a lot of white space on the left and
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