URL: https://savvyatcitywidebanks.com/citywidebanksonline/Uux.aspx

Browser / Version: Firefox Nightly 88.0a1 (2021-03-20) (64-bit)
Operating System: Windows 10
Tested Another Browser: Yes Chrome

Problem type: Something else
Description: Back button does not allow navigation to previous site
Steps to Reproduce:

1. Visit example.com
2. In the same tab, visit https://savvyatcitywidebanks.com/citywidebanksonline/Uux.aspx using the address bar
3. Wait for the page to load and the URL to get the #login fragment
4. Try to use the back button to return to example.com

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