seodata.dev

keyword

the age of railroads

Monthly search volume and cost-per-click data for "the age of railroads" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=the+age+of+railroads&country=us" +--------------+------------------+ | volume | 30 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-05-25 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
railroads 49,500 $1.64 6/20
the railroads 27,100 $1.29 10/20
railroad history 1,900 $2.44 6/20
history of railroads 1,600 $0.34 6/20
railroad us history 1,000 $0.11 6/20
railroads in american history 1,000 $0.11 6/20
age of railroads 50 $0 8/20
golden age of railroads 50 $0 7/20
when did railroads become popular 40 $0 7/20
the age of the railroads 30 $0 12/20

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+age+of+railroads&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