keyword

the three second following rule is based upon:

Monthly search volume and cost-per-click data for "the three second following rule is based upon:" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=the+three+second+following+rule+is+based+upon:&country=us" +--------------+------------------+ | volume | 50 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-03-30 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
three-second rule in driving	2,400	$0.02	10/20
three second rule driving	2,400	$0.02	9/20
three second rule in driving	2,400	$6.56	9/20
three-second rule driving	2,400	$0.02	9/20
3 second rule driving	2,400	$6.56	8/20
3-second rule driving	2,400	$0.02	8/20
3 seconds rule driving	2,400	$6.56	7/20
using the three second rule means:	70	$0	11/20
what's the three second rule in driving	40	$0	8/20
on the freeway maintain a 3 second following distance	20	$0	7/20

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=the+three+second+following+rule+is+based+upon:&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