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keyword

when did ellis island open

Monthly search volume and cost-per-click data for "when did ellis island open" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=when+did+ellis+island+open&country=us" +--------------+------------------+ | volume | 1,900 | | cpc | $0.04 | | competition | 0.01 | | country | US | | updated | 2026-05-26 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
when did ellis island close 2,900 $0.03 19/20
ellis island history 2,400 $0.1 17/20
when ellis island opened 1,900 $0.02 16/20
ellis island us history 1,600 $4.68 16/20
when was ellis island opened 1,300 $0.17 17/20
what year did ellis island open 210 $0 17/20
when did ellis island open to immigrants 170 $0 18/20
when did ellis island open and close 170 $0 16/20
ellis island opened in what year 140 $0.73 18/20
ellis island established 70 $0 16/20

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=when+did+ellis+island+open&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