What is it?
Unlike your dashboard (which is a snapshot of your security posture now), the Analytics page tracks your exposure over time and showcases how well your team have performed in any given date range.
You can filter by tag or target
Specify the date range (if you choose three months, the 'previous period' will be the three months prior to that).
You can also toggle between grouping by issue or occurrence (though, please note some widgets are bound to occurrences).
The widgets explained