Perhaps digital wellbeing or even digital wellness might be a better title. Digital health feels more like the actual health metrics calculated from your low energy bluetooth device like an Apple watch or iPhone.

I do applaud the author for making this blog straight to the point.

I think you could TL;DR the article even further and say "Use technology purposefully and not aimlessly". In doing so, you'd come up with your own "rules" that works for you.