| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| free books online textbooks | 1.31 | 0.8 | 5381 | 45 | 27 |
| free | 0.65 | 0.4 | 7222 | 10 | 4 |
| books | 1.15 | 0.1 | 8110 | 6 | 5 |
| online | 0.12 | 0.9 | 1548 | 42 | 6 |
| textbooks | 1.16 | 0.3 | 2959 | 34 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| free books online textbooks | 0.61 | 0.2 | 4071 | 64 |
