Research depth
Discovery
How well the tool supports keyword, competitor, SERP, backlink, or market research before execution.
Outranking
Strong SERP and competitor research depth.
The editor says it auto-collects research from ranking pages; the homepage says outlines read the top 20 ranking pages and expose competitor metrics. https://outranking.io/seo-content-editor/
SiteGuru
Useful competitor, backlink, Search Topics, and GSC-derived insight layers, but not positioned as a full market-research database.
The competitor page promises side-by-side comparison and keyword gaps, while Search Topics provides topic competitors and content gaps: https://www.siteguru.co/features/competitor-analysis and https://www.siteguru.co/features/search-topics