keyword
Monthly search volume and cost-per-click data for "when did oil become important" in US.
Keywords with overlapping search results, ranked by SERP similarity.
| keyword | volume | cpc | overlap |
|---|---|---|---|
| when was oil discovered | 1,900 | $0 | 13/20 |
| when and where was oil discovered | 1,900 | $0 | 9/20 |
| how was petroleum discovered | 590 | $0 | 10/20 |
| how petroleum was discovered | 590 | $0 | 9/20 |
| when petrol was discovered | 390 | $0 | 9/20 |
| when petroleum was discovered | 390 | $0 | 9/20 |
| when was petroleum discovered | 390 | $0 | 9/20 |
| oil industry history | 210 | $0 | 9/20 |
| history of crude oil production | 40 | $0 | 10/20 |
| when did we start using oil | 40 | $0 | 10/20 |
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