| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| optical illusion book series | 0.1 | 0.6 | 8456 | 87 | 28 |
| optical | 0.84 | 0.5 | 5212 | 4 | 7 |
| illusion | 0.07 | 0.1 | 3756 | 10 | 8 |
| book | 1.32 | 0.1 | 3618 | 96 | 4 |
| series | 0.17 | 0.4 | 8300 | 93 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| optical illusion book series | 0.71 | 0.4 | 6602 | 4 |
