For myself at least vertical tabs can be easily grouped to visually show task or subject. If I’m doing ticket work for example,each ticket gets a main tab with

For myself at least vertical tabs can be easily grouped to visually show task or subject. If I’m doing ticket work for example,each ticket gets a main tab with their related child tabs indented underneath. I’ve even written a small web app that creates custom tab titles which I use for organizing tabs. Lack of vertical tabs is why I don’t use Chrome.