As far as I understand it Ian (and I could be wrong as I am new!) the back button doesn’t work on Anvil. Anvil apps are effectively single page apps (much like an application on your computer would function). So you will never go to caliweedjobs.com/form1/form_my_account. I think you can get the anvil apps to read the URL parameters with a module as @david.wylie has said in the post here:
GET & POST data
That way you could technically get a specific form to show for the user based on the URL that has been entered. But its not default behaviour.
So in your example if you were to have a navigation bar such as:
Home -> Form 1
Add Job -> Form_Add Job
My account -> Form_My_Account
the user would go to www.caliweedjobs.com if they were to click add Job their URL would still show www.caliweedjobs.com however an open_form(Form_Add_Job) would of happend which wold of replaced the Form1 on the page with the HTMl in Form_Add_job But the URL would still be the same root domain.
Using the URL parameters above you could provide a way for people to access the Add job form quickly by doing a module that would look for the parameter in the URL and display the correct form i.e
URL: www.caliweedjobs.com?page=‘addjob’ -> open(form_add_job) for example