On: Can You Afford It? Real-World Web Performance Budg...

[vecinu]

What about all of the information that was already in the submitted form?

We can now keep the user's state and inform them of errors in a way that is more difficult with server-ride rendering.

[bildung → vecinu]

> What about all of the information that was already in the submitted form?

Of course the form gets returned from server validation will all user input prefilled? At least with Django that's the default behaviour.

[DCoder → bildung]

Does "all user input prefilled" include file uploads?

[hawski → DCoder]

It's not complicated. Server could offer to use already uploaded file or selecting a new one. Identifying it with session cookie or some kind of file hash.