It seems to be popular to design websites as Single Page Applications (SPA).Instead of showing a new HTML page on every click, an SPA sends a lightweight skeleton with JavaScript.The JS makes HTTP requests, receives JSON, and injects data into the DOM.On each user action, the page doesn���t reload���only the DOM changes.Such an architecture, once a response to slow browsers and unreliable networks, is now a bottleneck.The page is built of fragments, each requiring its own HTTP request.No m...