| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| free online textbooks online | 0.4 | 0.9 | 4084 | 44 | 28 |
| free | 0.26 | 0.5 | 7490 | 59 | 4 |
| online | 1.27 | 0.5 | 3711 | 100 | 6 |
| textbooks | 1.34 | 0.9 | 3574 | 12 | 9 |
| online | 1.8 | 1 | 7711 | 98 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| free online textbooks online | 1.02 | 0.9 | 224 | 64 |
