keyword

best free online courses

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

$ curl "https://app.seodata.dev/v1/keyword?q=best+free+online+courses&country=us" +--------------+------------------+ | volume | 2,400 | | cpc | $11.67 | | competition | 0.37 | | country | US | | updated | 2026-05-21 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
online courses that are free	27,100	$8.99	20/20
free online courses	22,200	$12.59	20/20
online free courses	18,100	$12.12	20/20
study online for free with certificate	12,100	$7.86	20/20
free online courses for adults	5,400	$11.29	20/20
courses that are free	4,400	$5.43	20/20
free courses	4,400	$8.17	20/20
best free classes online	3,600	$9.01	20/20
best free courses online	3,600	$9.01	20/20
best online free courses	3,600	$9.01	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/keyword?q=best+free+online+courses&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