| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| density of solid hydrogen | 1.54 | 0.1 | 1460 | 64 | 25 |
| density | 1.07 | 0.1 | 1844 | 88 | 7 |
| of | 0.62 | 0.6 | 6848 | 15 | 2 |
| solid | 0.85 | 0.3 | 8900 | 7 | 5 |
| hydrogen | 0.98 | 0.8 | 7557 | 22 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| density of solid hydrogen | 0.8 | 0.5 | 3549 | 39 |
