Then New Tab Page just might be what you are looking for.
Setup
Once you set up the extension, there are no options for you to have to worry about.
Here you’re able to see the default look the first time New Tab Page is displayed.
To get started, punch New Tab tweaks.
This is what you will see when you tap on New Tab tweaks.
You will be able to add any websites that you desire to your favorites list.
As you’re free to see, we have built up a nice list of favorite websites.
Nice and lean (terrific!).
Notice the address for New Tab Page…so easy to add as a Homepage in your web app.
Links
Download the New Tab Page extension (Mozilla Add-ons)