seodata.dev

keyword

free vpn firefox

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

$ curl "https://app.seodata.dev/v1/keyword?q=free+vpn+firefox&country=us" +--------------+------------------+ | volume | 2,400 | | cpc | $4.1 | | competition | 0.1 | | country | US | | updated | 2026-05-19 | +--------------+------------------+

# 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 for firefox addon 1,900 $7 20/20
vpn addon firefox 1,900 $7 18/20
vpn extension firefox 1,900 $4.99 17/20
firefox vpn free 1,000 $5.2 20/20
free firefox vpn 1,000 $5.2 18/20
free vpn extension firefox 390 $2.75 17/20
firefox free vpn 320 $3.23 18/20
firefox free vpn add on 30 $0 18/20

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=free+vpn+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