| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| free textbook sites online | 0.9 | 1 | 3249 | 1 | 26 |
| free | 1.78 | 0.4 | 8748 | 77 | 4 |
| textbook | 0.23 | 0.4 | 7678 | 88 | 8 |
| sites | 0.7 | 0.3 | 9689 | 53 | 5 |
| online | 1.13 | 1 | 1035 | 20 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| free textbook sites online | 1.06 | 0.8 | 8126 | 98 |
