| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| a concentration ratio is used to measure | 0.13 | 0.2 | 9704 | 81 | 40 |
| a | 0.21 | 0.2 | 7631 | 86 | 1 |
| concentration | 0.3 | 1 | 7235 | 67 | 13 |
| ratio | 0.11 | 0.2 | 1893 | 52 | 5 |
| is | 0.3 | 0.6 | 8619 | 37 | 2 |
| used | 0.12 | 0.8 | 5195 | 2 | 4 |
| to | 0.76 | 0.9 | 8307 | 68 | 2 |
| measure | 0.25 | 0.6 | 1944 | 13 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| a concentration ratio is used to measure | 0.64 | 0.2 | 8034 | 90 |
