Understanding Brotli's Potential - The Akamai Blog →

Brotli isn't quite the revolutionary jump forward that a technology such as HTTP/2 is, but we should welcome every chance to save bytes on the wire. As far as website owners are concerned, it's virtually a flip of the switch that can result in anywhere from 14-39 percent file savings on text-based assets when running full-blast.

Brotli was introduced in 2015 and while it has some caveats, especially when used for compression of dynamic assets, it is still better than GZIP on average. Time to start using it!