What element from the previous page has focus after the back button?

Testing done on the following basic HTML pages implemented without JavaScript

page 1

page 2

Test Results

• FireFox 62 (no screen reader) - focus goes the previously selected link
• Chrome Version 69 (no screen reader) - focus goes to the body
• IE 11 (no screen reader) - focus goes to the body
• iOS 12/Safari/VoiceOver - focus goes to the body