How to check the site, for which queries the most transitions?

Question

Search Engine Optimization

I am looking for a FREE service to determine which requests receive the most traffic from the PS. Analysis is needed to check competitors, i.e. other sites.
There are a lot of paid services, but I did not find a free one.
Here is an example of the search that I need (the site domain is taken at random):

PS. Or maybe someone will give access for a while, to any service that does it)) You need to check 100 sites.

Answer 1

there are no free
ones, but on the site they will quite make a discount for 100 pieces

Answer 2

What queries can be understood simply by their number for free in Yandex wordstat

Answer 3

Of the services, I advise keys.so/, there are also requests in the trial. If you prepare a list of sites for analysis, you can order an upload on these domains on kwork.