By default, Joomla bases the HTML page title upon the menu link text (the menu item's Menu Title field). However, you can also control the page title text manually. If you want the HTML page title to be different from the menu item title, you can set a specific HTML page title in the menu link details. Let's find out how this works:
Navigate to Menus | Menu Manager and select the menu that contains the link you want to edit. In this example, let's select the Main Menu.
Click on any menu link to edit it. In the Page Display tab, enter the desired text in the Browser Page Title field. For testing purposes, you can enter something like Browser Page Title Set in Menu Item. This is shown in the following screenshot:
Click on Save & Close and then click on View Site to see the output on the frontend. Navigate to the menu item that you've changed to see the new title in the browser title bar (and in the current browser tab), as shown in the following...