Not every app is so complex that keeping address in sync with the UI requires complex logic. A lot of apps just want to update whats between the navbar and the

Not every app is so complex that keeping address in sync with the UI requires complex logic. A lot of apps just want to update whats between the navbar and the footer without changing any of those. And URL needs to change from "/" to "/categories/". Sometimes you want to reload part of page as user clicks on tabs or side menu. Or load a content into a modal.