Articles Tagged unused css

Here's what I'd like you to know upfront: this is a hard problem. If you've landed here because you're hoping to be pointed at a tool you can run that tells you exactly what CSS you can delete from your project, well... there are tools out there, but I'm warning you to be very careful with them because none of them can ever tell you the complete story.

I know what you want. You want to run the tool, … Read article

I recently wrote Here’s the thing about "unused CSS" tools, where I tried to enumerate all the challenges any tool would have in finding truly "unused" CSS. The overarching idea is that CSS selectors match elements in the DOM, and those elements in the DOM come from all sorts of places: your static templates, dynamic templates based on server-side state, and of course, JavaScript, which can manipulate the DOM in any way at all, including pull things from APIs … Read article

There are a lot of tools that aim to help you remove "unused CSS" from your project. Never a week goes by that I don't see a tool for this being shared or promoted. It must strike some kind of perfect chord for some developers. I care about performance, and I know that reducing file sizes is good for performance. Indeed, it is. I bet we have CSS that is unused in our stylesheets, if we removed that, that's a … Read article