| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| planck's energy density equation | 0.14 | 0.3 | 5977 | 20 | 32 |
| planck's | 1.93 | 0.6 | 589 | 70 | 8 |
| energy | 1.51 | 1 | 9277 | 55 | 6 |
| density | 0.65 | 1 | 2224 | 72 | 7 |
| equation | 0.14 | 0.4 | 8376 | 59 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| planck's energy density equation | 1.7 | 0.5 | 530 | 68 |
