The best for you.
The database is regularly updated once a month.
Top Google.
In fact, these are two separate databases, one contains the frequency of Google´s key queries, the second contains the exact frequency of "!" Yandex wordstat.
There are 1,369 keywords in the database for which the site sravni.ru is ranked
Contains data such as:
-Current keyword position in Google
-Found URL
-Number of queries (Keyword Planner Google Russia) Yandex wordstat Russia
-Level of competition
-Cost per click in Google Ads contextual advertising
An example of what you will get:
https://docs.google.com/spreadsheets/d/1UQ1_nJdTmpT8jFetCDWzVFXx3eQCA2sl9wBz94oU6u8/edit#gid=2128077669
The base will be useful, because it will tell you exactly which keywords are in demand on the site sravni.ru
Further, you can, for example, expand the semantics of a particular popular keyword to collect the vast majority of niche keywords.