For most production setups it shouldn't matter, because a proxy in between will compress the files on demand. However, it might have a small impact on our saucelabs runner performance (atm it transfers ~115MB for all the tests). Also, when Express is serving Etherpad without a proxy bandwidth will be wasted.
Some resources ignore
Accept-Encoding: gzip
For most production setups it shouldn't matter, because a proxy in between will compress the files on demand. However, it might have a small impact on our saucelabs runner performance (atm it transfers ~115MB for all the tests). Also, when Express is serving Etherpad without a proxy bandwidth will be wasted.