> "[...] I would add: ‘test on as many devices as you are reasonably able’." Testing on a reasonable amount of different screens (and software-based filters et

> "[...] I would add: ‘test on as many devices as you are reasonably able’." Testing on a reasonable amount of different screens (and software-based filters etc.) is excellent advice for too many people forget this. Of course that's also always a money, time or motivation (goal) question...