| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| the drake equation book | 0.24 | 0.5 | 3223 | 69 | 23 |
| the | 1.26 | 0.7 | 2501 | 68 | 3 |
| drake | 1.69 | 0.6 | 6932 | 59 | 5 |
| equation | 0.48 | 0.9 | 594 | 66 | 8 |
| book | 0.37 | 0.8 | 3502 | 69 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| the drake equation book | 1.97 | 1 | 2817 | 66 |
