| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| refractive index of quartz glass | 0.08 | 0.4 | 3755 | 91 | 32 |
| refractive | 0.26 | 0.2 | 8868 | 64 | 10 |
| index | 1.31 | 1 | 4649 | 2 | 5 |
| of | 0.95 | 0.2 | 7487 | 14 | 2 |
| quartz | 1.21 | 0.8 | 442 | 85 | 6 |
| glass | 1.32 | 0.4 | 8120 | 44 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| refractive index of quartz glass | 0.12 | 0.9 | 2464 | 28 |
