| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| billions of free sudoku | 0.78 | 0.2 | 3277 | 70 | 23 |
| billions | 0.44 | 0.3 | 5841 | 67 | 8 |
| of | 1.83 | 1 | 7942 | 83 | 2 |
| free | 1.58 | 0.4 | 9089 | 82 | 4 |
| sudoku | 0.59 | 0.1 | 3408 | 31 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| billions of free sudoku | 0.37 | 1 | 327 | 92 |
| billions of free sudoku puzzles | 1.96 | 0.7 | 6946 | 75 |
| billions of free sudoku to play online | 1.85 | 0.2 | 2119 | 60 |
| billions of free sudoku evil | 1.03 | 0.9 | 6055 | 60 |
| billions of free sudoku hard | 0.71 | 0.2 | 322 | 55 |
| billions of free sudoku online | 0.66 | 0.6 | 9347 | 10 |
| billions of free sudoku games online | 1.16 | 0.2 | 6997 | 38 |
| web sudoku billions of free sudoku puzzles | 1.36 | 0.4 | 7916 | 11 |
| web sudoku billions of free puzzles printable | 0.95 | 0.8 | 8153 | 27 |
| sudoku billions free online hard | 1.12 | 0.1 | 8957 | 1 |
| billions sudoku puzzles online free | 1.45 | 0.5 | 168 | 46 |
| sudoku billions free sudoku puzzles | 1.52 | 0.1 | 3980 | 24 |
| web sudoku billions of free puzzles | 1.15 | 0.9 | 9955 | 86 |
