请求 gzip 和 deflate

请求:“ http://example.com

GET / HTTP/1.1
Host: example.com
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:53.0) Gecko/20100101 Firefox/53.0
Accept: text/html,application/xml;q=0.9,*/*;q=0.8
Accept-Encoding: compress, gzip
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Connection: keep-alive

客户端将只接受 gzip,压缩和身份编码。