Earlier quoted context omitted.
I'm an enjoyer of anonymity online and would rather not doxx myself. However if you have a specific question, I'd be happy to answer. I use js/jq for the front-end and php for the backend. Once you have your own CMS, turning it into a SPA means turning your index.php into a index.html that is php free and relies on ajax calls to change the content. So at minimum you need a mainbody.php and a head.php that accept inpu…
(Not OP) The kind of regressions I'd think of would be things like: - updating the URL state when someone clicks on a button - proper back-button support in the browser that takes me back to the prior 'page' - being able to navigate to any URL deep in your app and get a valid response (ideally rendered server-side so there's no client-side loading delay). Things like these are hard, and the reason why it's common adv…
It really just worked without much troubleshooting. Most trouble I've had was with cookies and cross-origin problems (or weird client requests).