keyword

online textbook site

Monthly search volume and cost-per-click data for "online textbook site" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=online+textbook+site&country=us" +--------------+------------------+ | volume | 260 | | cpc | $1.97 | | competition | 0.31 | | country | US | | updated | 2026-06-23 | +--------------+------------------+

All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
textbook	18,100	$2.11	14/20
free textbook websites	12,100	$13.17	17/20
websites for free textbooks	12,100	$9.74	12/20
textbooks online free	4,400	$9.21	13/20
online textbooks	3,600	$2.26	20/20
text book	3,600	$3.39	16/20
text books	3,600	$3.39	15/20
textbooks online	1,600	$2.41	20/20
textbook online	1,300	$2.13	20/20
text books online	170	$2.38	14/20

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://api.seodata.dev/v1/keyword?q=online+textbook+site&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