I use vim split windows all the time. Instead of tabbing between files I just open another split. Especially if the change is small.
Here’s to of my favourties from my
<c-w>S to open a full-width, horizontal split topmost and
<c-w>V to open a full-height, vertical split rightmost.
" Open splits at top level map <c-w>V :botright :vertical :split<cr> map <c-w>S :topleft :split<cr>
This is what it could look like:
Pretty simple. Pretty neat.