How to Set a Custom URL for New Tabs in Mozilla Firefox

Information
When using
Mozilla Firefox web browser following installation, the
new tab default setting opens with
Firefox's recently visited webpages displayed in the form of a grid. The
new tab setting can be changed to land on your home page or a website of your choice every time you open a
new tab.

Note
Once a new tab URL is set, every new tab will open at that specific web page. You can only set one custom URL, you cannot set multiple URLs or a different URL for different tabs.
INTRODUCTION
List of Contents
Option One: Set Custom URL for New Tabs
Option Two: Reset New Tab to Recently Visited Websites (Default)
OPTION ONE
Set Custom URL for New Tabs
1: With Firefox open, click/tap on a new tab then in the address box type in or copy and paste about:config. Click/tap on the Go arrow at the end of the address bar .
2: Click/tap on I'll be careful, I promise! to proceed.
3: In the search bar type in newtab then click/tap on browser.newtab.url
4: The
Enter string value command box will open
Type in your desired URL for the page you wish
new tabs to open to. Click/tap
OK
5: Your custom URL for the webpage you wish new tabs to open to will now be set. You can now close the about:config tab.
OPTION TWO
Reset New Tab to Recently Visited Websites (Default)
1: Follow
Option One to
Step 3:
2: At
Step 4 type in or copy and paste
about:newtab into the
Enter string value command box and click/tap on
OK. The default
new tab setting will be restored and you can now close the
about:config tab.
That's it,
Gav.