Most HTML projects would then be "Images". My plain html project is marked as 'CSS', my arduino project (which contains a python file, but no java) is marked as

Most HTML projects would then be "Images". My plain html project is marked as 'CSS', my arduino project (which contains a python file, but no java) is marked as 'Java'; that's 2/5 errors. The files that get changed/updated are the ones that matter. If most of your diffs are PHP, then you're mostly workign with PHP.