How the world's top sites serve mobile visitors

— Another new mobile browser from Opera - this time the focus is on being small, clean and fast.

— “We continue to see the vast majority of the Alexa 100 top sites use server-side device detection to segment users and optimize the experience for mobile visitors”

— While there have been ways to run Android apps on desktop operating systems for a while, this is an interesting official step to bridging Windows 10 and the wider mobile ecosystem.

— A developer documents their experiences porting a large mobile app from Native iOS to Flutter.

— Discover how you can create your first augmented reality webapp using ARjs and deploy it so it can be accessible from your phone.

— “Apple is slowly using Swift in more apps with each new iOS release, but the number of these apps is still really limited.”

— Here, Tiffany Brown covers grid formatting context, explicit versus implicit grids, creating flexible grids with flex units, using the grid-template shorthand property, and more.

— Learn how to add progressive image loading to your React Native apps to handle variable connection speeds.

— A list of image cropping libraries to aid in your Android mobile app development.

— Work done to improve the UI responsiveness of a React Native app.

— Given that Kotlin is now declared as an official langauge for Android app development, should new Android developers learn Kotlin or Java?

— An iOS library that generates and manages contextual cards displayed at the bottom of the screen.

— Using the Android Navigation Architecture Components to simplify the implementation of the navigation in your Android apps.