Research depth
Discovery
How well the tool supports keyword, competitor, SERP, backlink, or market research before execution.
InLinks
Strong contextual topic, entity, competitor and SERP research, but not a broad all-purpose SEO research suite.
Topic Planner scans a website, evaluates topic coverage, finds subtopics and prioritizes work: https://inlinks.com/topic-planner/. Content optimization analyzes the top 10 Google results and compares topic coverage: https://inlinks.com/content-optimization-tool/