Research depth
Discovery
How well the tool supports keyword, competitor, SERP, backlink, or market research before execution.
GetGenie
Strong keyword, SERP, competitor, NLP, semantic and topical-map research in WordPress.
Official homepage says GetGenie surfaces NLP/semantic keywords, topical maps and competitor SERP structure, including word count, headings and images: https://getgenie.ai/
Siteimprove SEO
Strong enterprise SEO research coverage across competitors, SERPs, keywords, content gaps, and paid/organic data.
The SEO analytics page promises complete competitor strategies, deep SERP analysis, keyword monitoring, and paid/organic data: https://www.siteimprove.com/platform/seo/seo-analytics-tool/