I do this too, though often with bookmarklets or with a plugin that runs JS on certain URLs. One annoyance though is when the website changes their code. E.g.

I do this too, though often with bookmarklets or with a plugin that runs JS on certain URLs. One annoyance though is when the website changes their code. E.g. often CSS class names are shortened/compiled and will change with every update of the website. Does anyone have tips how to handle that, that is, ways to get the right element without depending on the exact classname?