| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| index of refraction of water | 1.3 | 0.7 | 5506 | 23 | 28 |
| index | 0.3 | 1 | 7053 | 90 | 5 |
| of | 0.81 | 0.4 | 7424 | 93 | 2 |
| refraction | 1.23 | 0.2 | 6767 | 18 | 10 |
| of | 1.3 | 0.6 | 6594 | 11 | 2 |
| water | 1.27 | 0.7 | 7658 | 100 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| index of refraction of water | 1.2 | 1 | 6665 | 41 |
