| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| sudoku billions of free | 0.76 | 0.5 | 4598 | 30 | 23 |
| sudoku | 0.3 | 0.5 | 5081 | 54 | 6 |
| billions | 1.83 | 0.7 | 2187 | 58 | 8 |
| of | 1.4 | 0.7 | 5281 | 24 | 2 |
| free | 1.87 | 1 | 2061 | 79 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| sudoku billions of free puzzles | 1.84 | 0.6 | 3108 | 79 |
| sudoku billions of free | 1.61 | 0.1 | 3967 | 48 |
| web sudoku billions of free sudoku puzzles | 0.79 | 0.7 | 5484 | 61 |
| web sudoku billions of free puzzles printable | 1.58 | 0.2 | 616 | 43 |
| sudoku - billions free and easy | 0.15 | 0.4 | 5267 | 60 |
| sudoku billions free online hard | 0.62 | 1 | 5393 | 69 |
| sudoku billions free online | 0.07 | 0.4 | 4860 | 53 |
| sudoku billions free evil | 1.97 | 1 | 5681 | 75 |
| sudoku billions free medium | 1.85 | 0.7 | 3566 | 7 |
| sudoku billions free sudoku puzzles | 1.72 | 1 | 4843 | 90 |
| billions sudoku puzzles online free | 0.34 | 0.2 | 2682 | 20 |
| web sudoku billions of free puzzles | 0.49 | 0.7 | 2676 | 27 |
