← All Issues

Issue #63

Case study: Analyzing Notion app performance

Internet is slowing down due to increased demand, and people are holding on to their phones for longer – so if your app is slow, your users will be affected by it.

The beauty of progressive enhancement

There are different versions of the Opera Mini browser, how it renders pages depends on the operating system, device, and settings you’re using.

ECMAScript 4: The missing version

In your build tools, you may have noticed that you have an ECMAScript 3 target, and 5 and up, but never a 4. Why is that?

Experimenting with QuicTransport

QuicTransport is a web API that uses the QUIC protocol in a bidirectional, non-HTTP transport. It's intended for two-way communications between a web client and a QUIC server.