Free vs Paid Keyword Research Tools (2025)

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Free keyword tools: Google Keyword Planner and seo.16win.cn/tools/keyword-research (competitor analysis). Paid: Ahrefs ($99/mo), SEMrush ($139/mo). For most small-to-medium sites, free tools provide 80% of the value. Start with free. seo.16win.cn/tools/keyword-research

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