Even then it depends. If it takes you 60 seconds to download as gz, and 50 as xz. The decompression needs to take less than 10 seconds more for it to be compa

Even then it depends. If it takes you 60 seconds to download as gz, and 50 as xz. The decompression needs to take less than 10 seconds more for it to be comparable and you've got to be sure that your end users have more memory and sufficient processing power to throw at the task.