keyword

what is the best vpn protocol

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

$ curl "https://api.seodata.dev/v1/keyword?q=what+is+the+best+vpn+protocol&country=us" +--------------+------------------+ | volume | 50 | | cpc | $0 | | competition | 0.22 | | country | US | | updated | 2026-09-02 | +--------------+------------------+

All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# 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	18/20
best vpn protocol	480	$4.78	14/20
vpn best protocol	480	$4.43	14/20
what is a vpn protocol	90	$2.11	13/20
which vpn protocol is best	70	$11.9	15/20
which is the best vpn protocol	70	$11.9	14/20
which vpn protocol is the best	70	$5.35	14/20
what is best vpn protocol	50	$3.73	14/20
what is the best protocol for vpn	50	$3.73	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://api.seodata.dev/v1/keyword?q=what+is+the+best+vpn+protocol&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt