Wow, things change quickly.

Now Samsung stands on the shoulders of the Apple giant to dominate the smartphone market. And their user experience is amazing.

However still lots of work to be done on responsiveness of mobile web and apps. It’s at the upper levels of maturity that developers assume operational responsibility for mobile performance in production/customer environments, including the issues with latency and packet loss experienced on the last mile.

There are specific tools that address this, but as much as anything it’s the organisational culture and processes around application performance that determine what sort of experience the user has.