As of today when you login. You might notice something different. As the site loads it seems to slide into place between clicks. This is a result of h2 Push.
Under HTTP Protocol 2.0, when you request a page, critical files to that page immediately begin loading to your browsers cache before the webpage has even requested them. When the webpage actually gets around to requesting them, they are already in your browser cache effectively emitting an almost non-existant load time. The sliding effect you see is actually the browser catching up with the server, and finally drawing the website.
All of our files are now loaded asynchronously where possible, and the proper files are deferred so they load after dependencies, and the rest of the site is done loading.
Let us know what you think of the new speed of our control panel!