Research depth
Discovery
How well the tool supports keyword, competitor, SERP, backlink, or market research before execution.
Google Ads Keyword Planner
Useful search-demand and idea research inside an advertising workflow, without broader SEO research coverage.
Google documents keyword ideas, search frequency, trend, and campaign-forecast data for Google Ads. https://ads.google.com/home/tools/keyword-planner/
Programmatic SEO
Guides and planning tools help frame opportunity research, but the site has no proprietary research database.
The free guide covers demand patterns, page types, and validation: https://programmaticseo.com/guide