Even though HTTP DEFLATE saves ~20 bytes compared to GZIP, it itself is a wart because of some vendor misunderstandings. HTTP DEFLATE is actually DEFLATE data w

Even though HTTP DEFLATE saves ~20 bytes compared to GZIP, it itself is a wart because of some vendor misunderstandings. HTTP DEFLATE is actually DEFLATE data wrapped in a zlib container, not raw DEFLATE. See https://en.wikipedia.org/wiki/HTTP_compression#Problems_preventing_the_use_of_HTTP_compression https://en.wikipedia.org/wiki/HTTP_compression#Problems_prev... ; https://stackoverflow.com/questions/3932117/handling-http-contentencoding-deflate/3932260#3932260 https://stackoverflow.com/questions/3932117/handling-http-co...