这个qq的域名【c.gj.qq.com】是做什么的？chrome浏览器，访问什么网站都有这个请求

http://c.gj.qq.com/fcgi-bin/microreport?gjguid=97a4fe2d46a8e7151ee94121cb070c99&type=10&reserve1=2&bid=514&rand=0.1304509472075983&refer=http%3A%2F%2Fbaike.baidu.com%2Flink%3Furl%3DOP_s_yAFfxR1hm-AY-S4AOXrmfSVtBv9Jgdub4D_iGbuYDrXiZchOr-M1Ln0-bEUCy1RNsEcOr6TbXiSEjz0Ga&reserve3=12101032