In a file browser, it serves the same purpose of navigation, but through the file-system hierarchy.
[1] The address bar is also used to show the security status of a web page; various designs are used to distinguish between insecure HTTP and encrypted HTTPS, alongside use of an Extended Validation Certificate, which some websites use to verify their identity.
Some browsers, such as Firefox,[4] Opera and Google Chrome, allow for website-specific searches to be set by the user.
In this feature, the user sets a command that allows for a function (such as searching, editing, or posting) of a website to be expedited.
The following sections compare address bar widgets for a few well-known web browsers.