| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| free pdf books | 0.1 | 0.6 | 5694 | 30 | 14 |
| free | 0.77 | 0.6 | 9575 | 6 | 4 |
| 1.73 | 0.4 | 1165 | 17 | 3 | |
| books | 0.37 | 1 | 6827 | 20 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| free pdf books | 0.77 | 0.2 | 7547 | 64 |
| free pdf books download | 1.06 | 0.7 | 6638 | 76 |
| free pdf books online | 0.81 | 0.2 | 7539 | 69 |
| free pdf books download sites | 0.42 | 0.8 | 2883 | 13 |
| free pdf books without registration | 1.45 | 0.5 | 5782 | 44 |
| free pdf books reddit | 0.66 | 0.1 | 1327 | 10 |
| free pdf books websites | 0.74 | 0.3 | 6893 | 37 |
| free pdf books textbooks | 1.42 | 0.8 | 5374 | 69 |
| free pdf books for kids | 0.68 | 0.2 | 783 | 6 |
| free pdf books library | 1.78 | 0.7 | 877 | 49 |
| free pdf books download pdfdrive | 0.27 | 0.2 | 5720 | 75 |
| free pdf books to read online | 1.53 | 0.8 | 6245 | 93 |
| free pdf books by george otis | 0.11 | 0.1 | 2332 | 96 |
| free pdf books online download | 1.77 | 0.8 | 5210 | 70 |
| pdf drive books free download | 0.5 | 1 | 7476 | 52 |
| ocean pdf free books | 0.29 | 0.6 | 4531 | 25 |
