How to get statistics on search keywords with search api solr?

There are the Search API Stats → and Search API Tracking → modules. Would these be what you are looking for?
Other modules that extend Search API are listed here → – maybe that list contains further modules implementing something like this. (I don’t know of any, though.)

There is, in any case, no built-in functionality for this, and it’s unlikely we will add it. If the existing modules do not offer the functionality you would like, please either propose patches for them or create your own module for it.

Automatically closed - issue fixed for 2 weeks with no activity.