First we need to get the Plugin called
Add custom search engine
Go Here and Click Add to Firefox
Once Added Look for the Blue Magnifying Glass in the top right.
Click On the Blue Magnifying Glass and it will take you to the page to add the new JoshWho Search Engine.
Enter these Details in the correct fields.
Name: JoshWho Search
Search URL: https://search.joshwho.net/search?q=%s
And that’s it. Click the Add Custom Search Engine Button and make it default and CLick Add.
To change your homepage Open the Options menu.
Click on Home and then Select where it says Homepage and new windows “Custom URLs”
Now add https://www.joshwho.net
DONE you can close out of the option page now and you are all set up.