| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| why are preservatives added to some vaccines | 0.94 | 0.5 | 6456 | 83 | 44 |
| why | 1.42 | 0.5 | 9338 | 86 | 3 |
| are | 1.83 | 0.6 | 5413 | 22 | 3 |
| preservatives | 0.31 | 0.4 | 288 | 35 | 13 |
| added | 1.36 | 0.4 | 3347 | 31 | 5 |
| to | 0.21 | 0.5 | 3852 | 72 | 2 |
| some | 0.26 | 0.9 | 6844 | 49 | 4 |
| vaccines | 1.24 | 1 | 4645 | 70 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| why are preservatives added to some vaccines | 0.75 | 0.9 | 2229 | 65 |
