| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| rods and cones definition eye | 1.67 | 0.8 | 4016 | 84 | 29 |
| rods | 1.64 | 0.4 | 7141 | 34 | 4 |
| and | 0.1 | 0.7 | 7803 | 43 | 3 |
| cones | 0.02 | 0.5 | 3969 | 68 | 5 |
| definition | 0.5 | 0.9 | 3783 | 35 | 10 |
| eye | 1.63 | 0.9 | 3296 | 21 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| rods and cones definition eye | 1.76 | 0.1 | 6982 | 80 |
| rods and cones definition | 0.6 | 1 | 2919 | 88 |
| rods and cones definition psychology | 1.45 | 0.9 | 9769 | 75 |
| rods and cones in the eye | 1.57 | 0.1 | 3317 | 51 |
| difference between rods and cones eye | 1.98 | 0.2 | 1310 | 19 |
| rods and cones in the eye function | 1.87 | 0.9 | 6759 | 61 |
| define rods and cones | 0.33 | 0.5 | 8203 | 4 |
