Bundles might make sense, but one large blob that couldn&#x27;t be parsed until it was finished loading would probably be a big step backward for responsiveness. Parallel downloads also help speed things up.<p>Another interesting idea for JS-heavy sites is server-side pre rendering (yes, having the server generate HTML like the good old bad days) like Ember FastBoot <a href="http:&#x2F;&#x2F;tomdale.net&#x2F;2015&#x2F;02&#x2F;youre-missing-the-point-of-server-side-rendered-javascript-apps&#x2F;" rel="nofollow">http:&#x2F;&#x2F;tomdale.net&#x2F;2015&#x2F;02&#x2F;youre-missing-the-point-of-server...</a>