They work perfectly fine under a SPA. SPA pushes history which lets the back button work and you can bookmark the URls. They have real URLs so you can create tabs.
Go look at https://www.target.com/ and see if you can tell difference between SPA and regular web page except for the speed aspect.
Go look at https://www.target.com/ and see if you can tell difference between SPA and regular web page except for the speed aspect.