Verdict
Choose Screaming Frog SEO Spider when
- Technical SEO matters to you. Excellent technical SEO crawling and diagnostics.
- Free tools matters to you. Useful free crawl tier for smaller sites.
Verdict
Choose SEOTesting when
- AI-search / GEO matters to you. Direct generative-search visibility workflow: LLM pages, prompt clues, content evaluation and before/after LLM tests.
- GEO readiness matters to you. Strong AI-answer visibility readiness through question fan-out, semantic coverage, trust, extractability and persona evaluation.
- Measurement & tracking matters to you. Core strength: first-party click, impression, CTR, position and analytics measurement, controlled tests, forecasts, annotations and reporting.
- Keyword research quality for SEO content matters to you. Useful query-level discovery and intent analysis, but not a broad standalone keyword database or competitor keyword suite.
Read the full reviews: Screaming Frog SEO Spider and SEOTesting.