keyword

online books

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

$ curl "https://app.seodata.dev/v1/search-volume?q=online-books&country=us" +--------------+------------------+ | volume | 22,200 | | cpc | $3.41 | | competition | 0.34 | | country | US | | updated | 2026-03-30 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
free books online	40,500	$3.83	20/20
books web	27,100	$11.36	20/20
a online book	22,200	$3.09	20/20
book online	22,200	$2.88	20/20
books online	22,200	$2.88	20/20
online book	22,200	$3.41	20/20
free online books	9,900	$4.52	20/20
read online books	9,900	$4.03	20/20
read books online	8,100	$5.22	20/20
read free books online	5,400	$3.82	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=online-books&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