How to track combinations of filters on the product category page to get statistics?

Question

1C-Bitrix

It is necessary to have statistics on the selection of filters on the category page.
For example, to see which combinations are most often chosen by users (for example, category: TVs; filters: LG - Diagonal 32")

Answer 1

Every change is a request to the site - right?
Well, add these queries to the database (yes, even in the hl block).
Make a hash of it as the request ID.
But before that, order the data in the query so that color=red&size=10 and size=10&color=red are not considered different.