Third lesson on demand. Collecting queries and building a semantic core using free or low-cost services with their own query databases and sickle monitoring. Start from a request or from competitors. Accounting for the region and search engine. Tools: megaindex.ru, megaindex.com, seowizard.ru, rookee.ru, linkpad.ru, bukvarix.ru, mutagen.ru, arsenkin.ru/tools/, coolakov.ru/tools/

https://www.seotools.ru/kursy/zaprosy-nedorogo/