| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| history of sudoku puzzle | 0.52 | 0.9 | 8334 | 47 | 24 |
| history | 1.11 | 0.7 | 8456 | 12 | 7 |
| of | 0.34 | 0.4 | 3597 | 48 | 2 |
| sudoku | 0.92 | 0.7 | 8810 | 70 | 6 |
| puzzle | 0.34 | 0.2 | 137 | 96 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| history of sudoku puzzle | 0.65 | 1 | 542 | 10 |
