Opening an analytics dashboard and seeing dozens of available metrics gives the impression you need to watch them all. In practice, most businesses only need to closely track a handful of them; the rest is noise that distracts from what matters.
The metrics that should actually matter to you
Conversion rate (what percentage of visits do what you want them to do), customer acquisition cost, the traffic source that genuinely converts (not just the one bringing the most visits) and bounce rate on the key pages of the sales funnel. Followed regularly, these four give a reliable picture of whether the business is doing well.
The ones that tend to get overvalued
Total visits, on their own, say very little: you can have plenty of traffic that converts nothing at all. The same goes for "pages per session" or average time on site: they can rise for reasons that have nothing to do with the business doing better, like a slower website or content that's more confusing to navigate.
How to choose the right metrics for your business
The key question for every metric is: "if this number goes up or down, would any decision change?" If the answer is no, it probably doesn't deserve a spot in the monthly report, however interesting it looks at first glance.
Frequently asked questions
How many KPIs should a small business track?
Between 3 and 6 is usually enough. Beyond that, in practice, they're almost never all reviewed with the same attention, and some end up ignored.
Do the same KPIs work for any type of business?
The logic is the same, but the specific metrics change: an online store looks at average order value, a services business looks at cost per qualified lead. The list needs adapting to how each specific business actually makes money.
How often should these KPIs be reviewed?
A monthly review is usually enough for most small and medium businesses, except during active campaign periods, when it's worth checking them more frequently.