Firefox Hardware Report
Firefox has introduced Telemetry a while ago to its browser and now shares some details on what devices and hardware Firefox users use. In September 2016, for example, 10% still used Windows XP while only 7% used macOS and 77% of the users still have Flash installed. The most common screen resolutions are
1920x1080px. There are many more really interesting statistics in there, and we’ll have to see how this develops over the next few years. But for us web developers, this also highlights that we shouldn’t assume that people use QuadCore CPU, 8GB RAM machines but have “lower-end” devices instead. So be aware of this before you create fancy CPU/memory-consuming web applications that a user will not have fun with.