原文链接： 静态资源预压缩：零运行时开销，极致节省带宽 
前言
你也许在 nginx 上配置过以下内容： 
http {
    gzip on; 
    gzip_types application/atom+xml application/javascript application/json application/vnd.api+json application/rss+xml application/vnd.ms-fontobject application/x-font-opentype application/x-font-truetype application/x-font-ttf application/x-javascript application/xhtml+xml application/xml font/eot font/opentype font/otf ...