keyword

online historical books

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

$ curl "https://app.seodata.dev/v1/keyword?q=online+historical+books&country=us" +--------------+------------------+ | volume | 140 | | cpc | $3.74 | | competition | 0.42 | | country | US | | updated | 2026-06-23 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
historical books online	210	$4.8	10/20
history books online	170	$1.93	14/20
online history books	170	$1.93	13/20
online books history	170	$1.93	12/20
book history online	170	$1.93	10/20
history books for free	110	$3.16	9/20
historical books online free	90	$1.51	11/20
history books online for free	90	$1.51	10/20
history books online free	90	$1.51	9/20
online free history books	90	$1.51	9/20

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=online+historical+books&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