keyword
Monthly search volume and cost-per-click data for "who created primary source" in US.
Keywords with overlapping search results, ranked by SERP similarity.
| keyword | volume | cpc | overlap |
|---|---|---|---|
| primary documents | 27,100 | $11.16 | 11/20 |
| what are primary sources | 18,100 | $0.03 | 10/20 |
| define primary source | 9,900 | $0.08 | 9/20 |
| primary source examples | 9,900 | $0 | 9/20 |
| primary sources definition | 9,900 | $0.08 | 9/20 |
| primary resources | 880 | $0 | 10/20 |
| primary sources of history | 880 | $9.84 | 10/20 |
| primary source in history | 880 | $9.84 | 9/20 |
| what is a primary source in history | 880 | $0 | 9/20 |
| primary references | 90 | $0 | 11/20 |
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