| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| what is luminous efficacy | 1.27 | 0.8 | 5371 | 64 | 25 |
| what | 1.41 | 0.4 | 3609 | 46 | 4 |
| is | 1.15 | 0.7 | 9337 | 94 | 2 |
| luminous | 0.03 | 0.7 | 7228 | 25 | 8 |
| efficacy | 1.11 | 0.9 | 8147 | 77 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what is luminous efficacy | 1.57 | 0.5 | 6535 | 13 |
