seodata.dev

keyword

free online vpns

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

$ curl "https://app.seodata.dev/v1/search-volume?q=free-online-vpns" +--------------+------------------+ | volume | 2,900 | | cpc | $3.63 | | competition | 0.12 | | country | US | | updated | 2026-03-30 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
free vpns 201,000 $5.05 14/20
best free vpns 33,100 $3.84 15/20
free vpn internet browsing 3,600 $3.38 12/20
best vpns free 2,400 $4.92 17/20
vpn services for free 1,900 $6.51 11/20
are vpns free 1,300 $3.2 12/20
vpn service free 1,000 $12.38 14/20
online vpns free 880 $3.04 16/20
online free vpns 720 $3.66 12/20
vpn virtual private network free 70 $6.69 12/20

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-vpns" 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