For example, before:
$ du --bytes public/compiled/round.min.js
123011 public/compiled/round.min.js
$ du --bytes public/compiled/analysisBoard.min.js
286473 public/compiled/analysisBoard.min.js
After:
$ du --bytes public/compiled/round.min.js
102103 public/compiled/round.min.js
$ du --bytes public/compiled/analysisBoard.min.js
259559 public/compiled/analysisBoard.min.js