| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| formula of energy efficiency | 1.28 | 0.2 | 2590 | 51 | 28 |
| formula | 1.09 | 0.9 | 3313 | 95 | 7 |
| of | 0.7 | 0.9 | 2852 | 37 | 2 |
| energy | 1.62 | 0.2 | 6292 | 43 | 6 |
| efficiency | 0.57 | 0.5 | 6738 | 52 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| formula of energy efficiency | 0.11 | 0.6 | 4043 | 61 |
