| Keyword | CPC | PCC | Volume | Length string | Score |
|---|---|---|---|---|---|
| sudoku online easy to hard | 0.77 | 0.6 | 4852 | 26 | 97 |
| sudoku printable easy to hard | 0.73 | 0.7 | 6162 | 29 | 33 |
| sudoku online very easy | 0.78 | 0.6 | 2933 | 23 | 69 |
| play sudoku online free hard | 1.16 | 0.3 | 571 | 28 | 92 |
| free very hard sudoku | 0.86 | 1 | 439 | 21 | 23 |
| how to do harder sudoku | 0.39 | 0.5 | 930 | 23 | 18 |
| sudoku easy medium hard printable | 1.25 | 0.7 | 4069 | 33 | 71 |
| free printable easy to hard sudoku | 1.97 | 1 | 3729 | 34 | 44 |
| easy medium and hard sudoku puzzles printable | 1.46 | 0.7 | 7043 | 45 | 85 |
