seodata.dev

keyword

vpn free firefox

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

$ curl "https://app.seodata.dev/v1/keyword?q=vpn+free+firefox&country=us" +--------------+------------------+ | volume | 140 | | cpc | $3.31 | | competition | 0.08 | | country | US | | updated | 2026-06-05 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
free vpn for firefox 2,400 $4.1 20/20
firefox vpn add-on 1,900 $4.99 20/20
vpn addon firefox 1,900 $7 20/20
vpn for firefox addon 1,900 $7 20/20
vpn add on firefox 1,900 $4.99 18/20
vpn extension firefox 1,900 $4.99 17/20
firefox vpn extension 1,900 $4.99 16/20
firefox vpn free 1,000 $5.2 20/20
free firefox vpn 1,000 $5.2 17/20
free vpn firefox 590 $3.92 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=vpn+free+firefox&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