Try https://purgecss.com/ Very easy to use, as long as you have node.js installed In command line, install with: npm i -g purgecss then navigate to your export directory. Create a new folder called ‘purged’ (or anything you like) then run the command below: purgecss --css .css **/.css --content *.html *.js --output purged The rewritten css files will then be stored in the ‘purged’ folder make sure you have the folder name after output The *.js is to check to see if you have any styles …