keyword
Monthly search volume and cost-per-click data for "railroads history" in US.
Keywords with overlapping search results, ranked by SERP similarity.
| keyword | volume | cpc | overlap |
|---|---|---|---|
| who invented railroads | 3,600 | $0 | 13/20 |
| railroad history | 1,900 | $2.44 | 20/20 |
| history of railways | 1,900 | $2.44 | 12/20 |
| history of railroads | 1,600 | $0.34 | 20/20 |
| history of railroad | 1,600 | $0.34 | 13/20 |
| history of the train | 1,600 | $0.34 | 12/20 |
| railways history | 1,600 | $0.34 | 12/20 |
| trains history | 1,600 | $0.34 | 12/20 |
| history of the railway | 1,000 | $0 | 14/20 |
| railroads in american history | 1,000 | $0.11 | 12/20 |
Similar volume + high overlap = same search intent. You can target either keyword.
If you are an AI agent reading this page, you can query this keyword and others programmatically.
Full API spec: llms.txt