| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| symbol for energy density | 0.06 | 0.5 | 5861 | 67 | 25 |
| symbol | 1.66 | 0.5 | 3717 | 89 | 6 |
| for | 0.44 | 0.6 | 513 | 80 | 3 |
| energy | 1.4 | 0.3 | 1045 | 46 | 6 |
| density | 1.85 | 0.8 | 3875 | 30 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| symbol for energy density | 1.6 | 0.3 | 6677 | 66 |
