For registered suffixes in IANA:
+yaml is compressible and has use cases (e.g., "application/cwl+yaml")+csv is compressible, though no use cases currently+json-seq is compressible and has use cases (e.g., "application/city+json-seq")+gzip is not compressible and has use cases (e.g., "application/tlsrpt+gzip")
For registered suffixes in IANA:
+yamlis compressible and has use cases (e.g., "application/cwl+yaml")+csvis compressible, though no use cases currently+json-seqis compressible and has use cases (e.g., "application/city+json-seq")+gzipis not compressible and has use cases (e.g., "application/tlsrpt+gzip")