Research depth
Discovery
How well the tool supports keyword, competitor, SERP, backlink, or market research before execution.
Ayima Redirect Path
Useful inspection of the currently browsed page, but no research database or competitive research workflow is documented.
The official page describes real-time redirect and status inspection while browsing, not keyword or market research. https://www.ayima.com/chrome/
Merkle TechnicalSEO Tools
The utilities answer focused technical questions, but they do not provide a broad keyword, competitor, backlink, or market research workflow.
The official collection consists of discrete technical testing tools: https://technicalseo.com/tools/