The user agent of a web browser is a string value which identifies that browser and provides certain system details to servers hosting the websites you visit. Changing the user agent string can be useful in certain scenarios when some web site's functionality is locked down to the specific platform and you need to bypass the restriction. It's not required to mention that changing the user agent can be useful for web developers. Here's how to change the user agent string in Mozilla Firefox. This can be done either with an extension or natively.
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