I've built dozens of dashboards. Most have been ignored. A few have been used constantly. The difference isn't the graphs. It's the design.

The 3-second test

A useful dashboard answers 'is everything OK?' in 3 seconds. Not 'let me scroll through 40 graphs to find out.'

Big colored header at the top: green = healthy, yellow = watching, red = broken. That's the 3-second answer. Everything else is drill-down.

The hierarchy rule