&gt; Also since when exactly did websites have a mandate to economise to the scale of mobile data? It&#x27;s always been edge case unless you are specifically targeting that.<p>Trends towards mobile-first have been a thing for a while. Especially in developing countries where mobile users outweigh desktop users.<p>Targeting desktop is slowly becoming the edge case for anything targeting a mass audience. Look at a lot of the recent high-value tech companies. Do Uber&#x2F;Snapchat&#x2F;Whatsapp&#x2F;Instagram target desktop or mobile first?<p>Where are users in general spending the majority of their time? On a desktop&#x2F;laptop, or on a phone&#x2F;tablet?