| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| history of face masks | 1.53 | 0.3 | 1151 | 92 | 21 |
| history | 0.59 | 0.8 | 1553 | 84 | 7 |
| of | 0.83 | 0.5 | 4740 | 84 | 2 |
| face | 0.41 | 0.9 | 7721 | 12 | 4 |
| masks | 0.31 | 0.7 | 5855 | 52 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| history of face masks | 1.23 | 0.1 | 1342 | 1 |
