seodata.dev

keyword

free vpn online

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

$ curl "https://app.seodata.dev/v1/search-volume?q=free-vpn-online" +--------------+------------------+ | volume | 1,600 | | cpc | $5.16 | | competition | 0.29 | | country | US | | updated | 2026-03-29 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
vpn free 110,000 $4.22 16/20
online vpn 8,100 $11.17 17/20
free online vpn 2,400 $4.18 20/20
free website vpn 2,400 $3.04 20/20
vpn free web 2,400 $3.04 20/20
vpn free site 2,400 $3.04 19/20
vpn free website 2,400 $4.84 19/20
vpn free online 1,600 $5.13 20/20
vpn online free 1,600 $3.33 20/20
vpn for free 1,600 $8.02 19/20

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-vpn-online" 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