Change user agent in Internet Explorer. 1. Open Internet Explorer web browser and press F12 key to launch Developers Tools section.3. Enter general.useragent.override in the Enter the preference name box and click OK button. Now you will see Enter String value box. List of Internet Explorer 9 all available Internet Explorer 9 User Browser Agent Strings.World Websites Database (7,000,000) 7,768,832 records. Sites IP Address Change History 30,728,010 records. User-agent string changes (Windows) Internet Explorer 11?s Many User- Agent Strings - IEInternals - Site Home - MSDN Blogs IE11 to appear as Firefox to avoid legacy IE CSS - Neowin. They have also seemingly thrown away the IE Do you need a quick way to change the user agent string in Firefox for a specific website?Does the 64-bit Version of Internet Explorer 9 Deliver Better Browsing Performance? other | 2012-01-14. In Peacekeeper there is a performance gain of 2, while in the V8 Benchmark the gain is of only 0. 9. IE7 compatibility view? User agent string.Read more about this topic: Internet Explorer 9, Changes From Previous Versions. Other articles related to " user, string, user agent string" Regarding the user agent string changes, please take a check with the following article: Introducing IE9s User Agent String The Internet Explorer 8 User-Agent String (Updated Edition) Hope this may help Best regards Michael Shao TechNet Community Support. In desktop IE, either press F12 or click on the gear in the upper right hand corner and click on F12 Developer Tools.
A little window will pop up at the bottom of the window. From there, click on Tool --> Change User Agent String. To change the User Agent string in Internet Explorer 12, you need to open the Flags page mentioned above. To access it, you need to type the text below in the IE address bar and press Enter on the keyboard When I change the user agent string to Internet Explorer 9 using the debugger tool, the page renders as I want.At this point, I almost think that it is not possible to set the user agent string using code in IE11. How to change user agent in Mozilla Firefox. Like Chrome, not all versions of Firefox allow for easy changing of this parameter.— Internet Explorer 11 (Win 8.1 x64): Mozilla/5.0 (Windows NT 6.3 WOW64 Trident/7.0 ASU2JS rv:11.0) like Gecko. Want Internet Explorer to simulate another version? IE8 users: Check out the free User-Agent Picker add-on, which enables changing your UA string without restarting the browser.