seodata.dev

keyword

what is best vpn protocol

Monthly search volume and cost-per-click data for "what is best vpn protocol" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=what+is+best+vpn+protocol&country=us" +--------------+------------------+ | volume | 50 | | cpc | $3.73 | | competition | 0.16 | | country | US | | updated | 2026-05-31 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
vpn protocol 1,300 $4.4 15/20
vpn protocols 1,000 $3.31 17/20
vpn best protocol 480 $4.43 14/20
best vpn protocol 480 $4.78 13/20
which vpn protocol is best 70 $11.9 16/20
which vpn protocol is the best 70 $5.35 16/20
which is the best vpn protocol 70 $11.9 14/20
most secure vpn protocol 70 $15.89 13/20
what is the best vpn protocol 50 $0 14/20
what vpn protocol should i use 30 $0 14/20

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=what+is+best+vpn+protocol&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