| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| comparison of covid vaccines efficacy | 0.67 | 0.5 | 847 | 36 | 37 |
| comparison | 0.93 | 0.1 | 2649 | 10 | 10 |
| of | 0.79 | 0.1 | 1598 | 5 | 2 |
| covid | 0.92 | 0.7 | 846 | 30 | 5 |
| vaccines | 0.85 | 1 | 4062 | 63 | 8 |
| efficacy | 1.03 | 0.3 | 890 | 5 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| comparison of covid vaccines efficacy | 0.84 | 1 | 5524 | 22 |
