keyword

free online vpn

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

$ curl "https://app.seodata.dev/v1/search-volume?q=free-online-vpn" +--------------+------------------+ | volume | 2,400 | | cpc | $4.18 | | competition | 0.19 | | country | US | | updated | 2026-03-29 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
online vpn	8,100	$11.17	19/20
vpn online	5,400	$5.37	19/20
free website vpn	2,400	$3.04	20/20
vpn free site	2,400	$3.04	20/20
vpn free web	2,400	$3.04	20/20
vpn free website	2,400	$4.84	20/20
free vpn online	1,600	$5.16	20/20
vpn for free	1,600	$8.02	20/20
vpn free online	1,600	$5.13	20/20
vpn online free	1,600	$3.33	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-vpn" 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