In the Audience Overview, the metric “% of returning visitors” is higher the shorter the timeframe grouping is. When “grouping by day”, it is around 95% on my site. “Group by week” is around 90%, and when “grouping by month” it is 75+%.
I would expect this metric to be higher for longer time periods, as I expect a higher percentage of visitors to revisit my site during the whole week or month, as compared to visitors revisiting the site the same day.
Or am I thinking about this the wrong way?