| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| robert heinlein books pdf | 1.78 | 0.9 | 2769 | 70 | 25 |
| robert | 2 | 0.1 | 7103 | 85 | 6 |
| heinlein | 0.23 | 0.8 | 968 | 46 | 8 |
| books | 0.55 | 0.4 | 1242 | 78 | 5 |
| 0.91 | 0.5 | 1731 | 22 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| robert heinlein books pdf | 1.87 | 0.7 | 5248 | 20 |
