keyword

online textbooks mathematics

Monthly search volume and cost-per-click data for "online textbooks mathematics" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=online+textbooks+mathematics&country=us" +--------------+------------------+ | volume | 170 | | cpc | $7.33 | | competition | 0.18 | | country | US | | updated | 2026-06-14 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
math textbook	1,900	$0.88	16/20
mathematics textbook	1,600	$0.84	13/20
math online book	480	$2.82	12/20
math online books	480	$10.53	12/20
mathematics book online	480	$10.53	12/20
online mathematics textbook	170	$13.12	14/20
math textbooks online	170	$7.33	13/20
maths textbook online	170	$7.33	13/20
online textbook math	170	$7.33	13/20
maths textbooks online	170	$7.33	12/20

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=online+textbooks+mathematics&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt