keyword

free online books to read

Monthly search volume and cost-per-click data for "free online books to read" in US.

$ curl "https://app.seodata.dev/v1/search-volume?q=free+online+books+to+read&country=us" +--------------+------------------+ | volume | 4,400 | | cpc | $4.7 | | competition | 0.38 | | country | US | | updated | 2026-03-29 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
free books for reading	40,500	$3.82	20/20
free books online	40,500	$3.83	20/20
free read book online	33,100	$3.88	20/20
free read books online	33,100	$3.88	20/20
free reading books	33,100	$3.88	20/20
free reading books online	33,100	$5.11	20/20
read a book free online	33,100	$3.88	20/20
read books for free	33,100	$3.88	20/20
read free online books	33,100	$3.88	20/20
reading books free	33,100	$3.88	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/search-volume?q=free+online+books+to+read&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