keyword
Monthly search volume and cost-per-click data for "who were the first slaves in history" in US.
Keywords with overlapping search results, ranked by SERP similarity.
| keyword | volume | cpc | overlap |
|---|---|---|---|
| when did slavery start | 22,200 | $7.41 | 17/20 |
| when did slavery start in america | 9,900 | $5.82 | 18/20 |
| who started slavery | 4,400 | $1.63 | 17/20 |
| slavery history | 3,600 | $15.34 | 15/20 |
| who invented slavery | 2,900 | $0 | 17/20 |
| how did slavery start | 2,900 | $10.27 | 16/20 |
| who was slaves first | 1,300 | $3.76 | 17/20 |
| why did slavery start | 1,300 | $16.77 | 16/20 |
| who was the first slave | 0 | $0 | 20/20 |
| who were the first slaves | 0 | $0 | 17/20 |
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