Suppose we did what you said, and the back button only ever took you back to the previous URL. I could still make a JS app that, on your first interaction with

Suppose we did what you said, and the back button only ever took you back to the previous URL. I could still make a JS app that, on your first interaction with the page, moved you forward from https://example.com/ https://example.com/ to https://example.com/#home https://example.com/#home. Then it sets a variable such that when you go back to https://example.com/ https://example.com/ it shows a fake SERP. This is not an easy problem to solve.