| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| free sudoku hard puzzles | 1.71 | 1 | 3264 | 30 | 24 |
| free | 0.27 | 0.4 | 5813 | 69 | 4 |
| sudoku | 1.91 | 0.4 | 3798 | 8 | 6 |
| hard | 0.29 | 0.8 | 698 | 53 | 4 |
| puzzles | 1.41 | 0.2 | 5768 | 35 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| free sudoku hard puzzles | 0.01 | 0.8 | 1224 | 70 |
