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keyword

relativity theory explained

Monthly search volume and cost-per-click data for "relativity theory explained" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=relativity+theory+explained&country=us" +--------------+------------------+ | volume | 2,400 | | cpc | $4.69 | | competition | 0.01 | | country | US | | updated | 2026-06-03 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
theory of relativity 27,100 $9.32 20/20
what is relativity 6,600 $1.6 20/20
what is relativity theory 6,600 $1.6 20/20
what is the theory of relativity 6,600 $1.6 20/20
einstein theory of relativity 4,400 $0.95 20/20
theory of relativity einstein 4,400 $0.95 20/20
einstein relativity theory 3,600 $2.64 20/20
relativity explained 2,400 $5.33 20/20
the theory of relativity 2,400 $0.02 20/20
theory of relativity explained 2,400 $4.69 20/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=relativity+theory+explained&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt