seodata.dev

keyword

free textbooks sites

Monthly search volume and cost-per-click data for "free textbooks sites" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=free+textbooks+sites&country=us" +--------------+------------------+ | volume | 12,100 | | cpc | $9.86 | | competition | 0.07 | | country | US | | updated | 2026-05-23 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
online textbook free 14,800 $5.08 14/20
websites with free textbooks 12,100 $5.18 20/20
websites for free textbooks 12,100 $9.74 19/20
free textbook websites 12,100 $13.17 17/20
sites for free textbooks 12,100 $5.18 15/20
website for free textbook 12,100 $9.86 15/20
where to find free textbooks 2,400 $10.95 16/20
where to find textbooks free 1,900 $6.12 20/20
textbook websites free 40 $11.88 16/20
websites that have free textbooks 20 $0 16/20

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=free+textbooks+sites&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