| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| cdc mask effectiveness studies | 1.62 | 0.3 | 2810 | 51 | 30 |
| cdc | 1.3 | 0.8 | 4438 | 39 | 3 |
| mask | 1.52 | 0.2 | 7027 | 11 | 4 |
| effectiveness | 0.11 | 0.5 | 4160 | 20 | 13 |
| studies | 1.58 | 0.3 | 9553 | 30 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| cdc mask effectiveness studies | 0.53 | 0.3 | 8854 | 16 |
