Long press any bookmark and click Add Shortcut to Homescreen
Launch Firefox on your iOS device.
Visit the website you want to create a shortcut for.
Once the website loads, look for the share icon in the address bar.
In the share menu, you will see various options for sharing and saving the website. Tap “Add to Home Screen”.
A dialog box will appear, displaying the website’s title and a suggested name for the shortcut. You can change the name of the shortcut from this panel.