| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| richardson extrapolation formula | 1.08 | 0.9 | 1490 | 89 | 32 |
| richardson | 0.75 | 0.7 | 1764 | 27 | 10 |
| extrapolation | 1.53 | 0.5 | 3194 | 60 | 13 |
| formula | 0.58 | 0.2 | 4390 | 14 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| richardson extrapolation formula | 0.06 | 0.6 | 9991 | 96 |
