摘要： 这是一个相当方便的工具，而且非常便于调试。Step 1:Download theUser Agent SwitcherAdd-on for FirefoxStep 2:Restart Firefoxfor the add-on change to take place.Step 3:To emulate a mobile web browser, you will need to change the user agent string that is sent out, we recommend finding a appropriate user agent string from thi 阅读全文