| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| what are the photoreceptors of the eye | 0.13 | 0.3 | 8678 | 21 | 38 |
| what | 0.61 | 0.4 | 7310 | 88 | 4 |
| are | 1.41 | 0.6 | 8048 | 97 | 3 |
| the | 2 | 1 | 1184 | 26 | 3 |
| photoreceptors | 0.01 | 0.6 | 5871 | 91 | 14 |
| of | 1.56 | 0.4 | 2522 | 98 | 2 |
| the | 0.01 | 0.5 | 9342 | 43 | 3 |
| eye | 1.88 | 0.4 | 1885 | 9 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what are the photoreceptors of the eye | 0.19 | 0.4 | 106 | 65 |
