Single-page applications
Most websites are broken up into pages in order to make the information they contain easier to consume. Traditionally this is done with a server/client model, where each page must be loaded from the server with a different URL. To navigate to a new page, the browser must send a request to the URL of that page. The server will send the data back and the browser can unload the existing page and load the new one. For the average internet connection, this process will likely take a few seconds, during which the user must wait for the new page to load.
By using a powerful frontend framework and an AJAX utility, a different model is possible: the browser can load an initial web page, but navigating to new pages will not require the browser to unload the page and load a new one. Instead, any data required for new pages can be loaded asynchronously with AJAX. From a user's perspective, such a website would appear to have pages just like any other, but from a technical perspective...
