| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| when were vests invented | 1.66 | 0.9 | 1044 | 53 | 24 |
| when | 0.83 | 0.5 | 3262 | 19 | 4 |
| were | 0.4 | 0.8 | 5727 | 53 | 4 |
| vests | 0.62 | 0.8 | 4102 | 28 | 5 |
| invented | 1.11 | 1 | 9551 | 96 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| when were vests invented | 1.01 | 0.1 | 1812 | 35 |
