Having been on vacation for two weeks with nothing but a regular pixel 3 and an unreliable 4G I realised that the mobile web is really an absolute disaster.I'm surprised that we tolerate it, in its current state.Are there any good books or blogs on best practices of developing low fidelity websites geared towards people in the developing world, or those with slow connections, and smaller, low power devices and so forth.Ideally, something that begins with first principles and then builds upon that with suggested solutions.Thanks