不定期日記

_ [Web] ブラウザによる、出力するリクエストヘッダの違い

WebブラウザがHTTPリクエストを行う際に出力するリクエストヘッダを観察してみました。

_ Mozilla-0.9.8 の場合

GET / HTTP/1.1
Host: www.hogehoge.com
User-Agent: Mozilla/5.0 (Windows U; Windows NT 5.0; en-US; rv:0.9.8) Gecko/20020204
Accept: text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,video/x-mng,image/png,image/jpeg,image/gif;q=0.2,text/css,*/*;q=0.1
Accept-Language: ja, en-us;q=0.50
Accept-Encoding: gzip, deflate, compress;q=0.9
Accept-Charset: ISO-8859-1, utf-8;q=0.66, *;q=0.66
Keep-Alive: 300
Connection: keep-alive

_ IE5.5sp2

GET / HTTP/1.1
Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/vnd.ms-powerpoint, application/vnd.ms-excel, application/msword, */*
Accept-Language: ja
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 5.0; T312461)
Host: www.hogehoge.com
Connection: Keep-Alive

_ w3m-0.2.3.2

GET / HTTP/1.0
User-Agent: w3m/0.2.2
Accept: text/*, image/*, audio/*, video/*, application/*
Accept-Encoding: gzip, compress, bzip, bzip2, deflate
Accept-Language: ja; q=1.0, en; q=0.5
Host: www.hogehoge.com