No longer needed. From https://webkit.org/blog/7367/new-interaction-behaviors-in-ios-10/ https://webkit.org/blog/7367/new-interaction-behaviors-in-io... 1. The

No longer needed. From https://webkit.org/blog/7367/new-interaction-behaviors-in-ios-10/ https://webkit.org/blog/7367/new-interaction-behaviors-in-io... 1. There must be a meta tag of type viewport 2. The viewport must be defined to have width=device-width 3. The content must be at a scale of 1