keyword

free online libraries

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

$ curl "https://app.seodata.dev/v1/search-volume?q=free-online-libraries" +--------------+------------------+ | volume | 8,100 | | cpc | $6.27 | | competition | 0.11 | | country | US | | updated | 2026-03-30 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
online libraries	14,800	$5.6	20/20
online library	14,800	$6.28	19/20
online library free	9,900	$5.14	20/20
free online library	8,100	$6.17	20/20
library online	3,600	$4.78	18/20
free library online	2,400	$7.55	20/20
free libraries online	1,900	$3.83	20/20
books library	1,900	$3.05	19/20
library book free	1,300	$3.27	20/20
free e library	1,000	$6.78	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-libraries" 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