| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| average retardation formula | 1.42 | 0.7 | 3892 | 68 | 27 |
| average | 1.73 | 0.1 | 1452 | 73 | 7 |
| retardation | 1.8 | 0.2 | 1917 | 30 | 11 |
| formula | 0.38 | 1 | 8127 | 86 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| average retardation formula | 1.85 | 0.3 | 9754 | 4 |
