An app is a website that requires you to download a browser along with its content.
We don’t disable JS just to test how a site works with JS disabled. We do it to test how a site works in non-ideal net/browsing conditions.
After Nov 1, mobile web pages that show an app install interstitial […] will no longer be considered mobile-friendly googlewebmastercentral.blogspot.co.uk/2015/09/mobile…
“Only web designers resize their browsers” is a common sentiment that ignores that folks can rotate their device, or browse in split-screen.