| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| effectiveness of booster shots | 0.51 | 0.8 | 6415 | 39 | 30 |
| effectiveness | 0.99 | 0.9 | 6229 | 28 | 13 |
| of | 0.3 | 0.6 | 1561 | 9 | 2 |
| booster | 1.3 | 0.5 | 4326 | 81 | 7 |
| shots | 1.8 | 0.9 | 1305 | 30 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| effectiveness of booster shots | 1.57 | 0.8 | 9159 | 61 |
