keyword

september 11th 2001

Monthly search volume and cost-per-click data for "september 11th 2001" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=september+11th+2001&country=us" +--------------+------------------+ | volume | 49,500 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-17 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
11 of september 2001	49,500	$0	20/20
sep 11 attack	49,500	$0	20/20
september 11th	49,500	$0	20/20
september 11th attacks	49,500	$0	20/20
september eleven	49,500	$0	20/20
when was 9/11	33,100	$0	20/20
9 11 year	18,100	$0	20/20
9/11 year	18,100	$0	20/20
attack 9/11	18,100	$0	20/20
attacks of 9 11	18,100	$0	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=september+11th+2001&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