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What are Ahrefs 3 main data sources?
- A. Crawler, Google Keyword Planner, SERP data providers
- B. Parser, Google Keyword Planner, SERP data providers
- C. Crawler, Google Search Console, SERP data providers
- D. Parser, Google Keyword Planner, SERP data providers
✅ 正确答案: Crawler, Google Keyword Planner, SERP data providers
