No more requirejs calls in network!

"With the DNS prefetching flag in Google Chrome on Android enabled, Chrome scans the page for clickable links and resolves the URLs to IP addresses. By the time you head to any of the pages, their addresses will have been returned to your device, mitigating any DNS speed issues — the only bottleneck will be your own connection. (Optionally, it will use your device’s own DNS servers and won’t touch Google’s unless you want it to.)"

Just because your site isn't for emerging markets, doesn't excuse you from web performance optimisation

"Some of these technical aspects are often overlooked. Also, don’t be afraid to change things around and set yourself up to test several variants of code on your website."