Search Analytics displays the key performance analytics across all of your search centers, during an ad-hoc time interval.
The number of search sessions per search center.
A count of the most frequently issued queries per site.
Most Popular Content
A count of the number of times the most frequently accessed content was reached per site.
Most Popular Sources
A count of the most frequently accessed content sources, based on the number of times that content was accessed on each site.
A measure of the user actions on content query results including click-throughs, opens, edits, and shares.
Findability Scorecard (by Search Center)
Key performance analytics per site.
Query Scorecard (by Query)
Key performance analytics per query.