| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| when were books burned | 0.56 | 0.1 | 2939 | 27 | 22 |
| when | 0.32 | 0.7 | 6507 | 84 | 4 |
| were | 0.21 | 0.4 | 4499 | 3 | 4 |
| books | 1.24 | 0.8 | 7604 | 72 | 5 |
| burned | 0.36 | 0.6 | 1670 | 33 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| when were books burned | 1.51 | 0.7 | 8676 | 31 |
