keyword

world history online textbook free

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

$ curl "https://app.seodata.dev/v1/keyword?q=world+history+online+textbook+free&country=us" +--------------+------------------+ | volume | 30 | | cpc | $2.13 | | competition | 0.08 | | country | US | | updated | 2026-03-30 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
world history textbook	3,600	$0.92	18/20
free world history textbook	40	$2.22	15/20
world history free online textbook	30	$2.13	19/20
world history textbook free online	30	$8.97	19/20
world history textbook online free	30	$8.97	18/20
online world history textbook free	30	$8.97	16/20
world history book online free	30	$2.13	16/20
free online world history textbook	30	$8.97	15/20
free world history textbook online	30	$8.97	15/20
free online world history textbooks	30	$8.97	14/20

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=world+history+online+textbook+free&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