It's crazy that latest browsers are hiding http protocol from the location bar. As a developer sometimes i need to just add 's' on http:// to test SSL as https:// but i have to type everything to test. Also when I just want to copy the domain name it copies with http protocol. But i am not that fan of this. I prefer to view http:// on the location bar.
After some google search found this tips that did the trick.
Steps to Show/Enable http:// in Firefox URL location bar.
Show/Enable 'http://' URL Prefix in Mozilla Firefox's Location Bar
QR Code: