2、 用户代理（User Agent），简称UA，是一种特殊字符串标识，用于让服务器识别客户端所使用的操作系统及其版本、CPU类型、浏览器种类与版本、渲染引擎、语言设置以及安装的插件等信息，帮助网站更好地适配不同设备和浏览器环境。 3、 火狐浏览器导入用户 ...

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Want to try out Gmail's two-pane view but don't have an iPad? A simple user agent switch can get you there. But the new view might not be worth the hassle. Josh Lowensohn Former Senior Writer Josh ...

In a previous free tool column, I recommended WoVS Default Browser Switcher, which provides an easy way to change your default browser when testing ASP.NET pages. However, browsers are only one kind ...