| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| index of refraction of aluminum | 1.56 | 0.2 | 452 | 10 | 31 |
| index | 1.6 | 0.6 | 7625 | 34 | 5 |
| of | 0.62 | 1 | 7373 | 87 | 2 |
| refraction | 0.46 | 0.7 | 2013 | 68 | 10 |
| of | 0.92 | 0.4 | 2503 | 70 | 2 |
| aluminum | 1.26 | 0.6 | 9327 | 99 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| index of refraction of aluminum | 0.67 | 0.5 | 611 | 75 |
