https://blog.pearce.org.nz/2010/03/dont-serve-ogg-media-with-gzipdeflate.html
Thundering Herd: Don't serve Ogg media with gzip/deflate compression
One common way to reduce the load on a web server is to use gzip or deflate compression when serving to a supporting web browser. When Fire...
thundering herdogg mediaservegzipdeflate