Jul 04, 2019

Jun 26, 2020 How to Change or Customize Firefox’s New Tab Page Nov 22, 2017 How to Customize Firefox’s New Tab Page With Extensions

Download Firefox — Free Web Browser — Mozilla

Use tabs to organize lots of websites in a single window Pinned tabs open automatically when you start Firefox. For more information about Pinned Tabs, see Pinned Tabs - keep favorite websites open and just a click away . To pin a tab, just right-click control-click on it and select Pin Tab .

Inspired by another Firefox addon with similar functionality, Count Tabs is a simple-to-use and straightforward tool that gets integrated with Mozilla's browser to count all currently opened tabs

As you can see, there's a bar above the tabs in the Mozilla Browser which gives redundant information. It happened when I updated some extensions but I don't know how to remove it.