| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| international journal of hydrogen energy q1 | 1.99 | 0.1 | 7158 | 83 | 43 |
| international | 1.39 | 0.9 | 3319 | 96 | 13 |
| journal | 0.32 | 0.5 | 3627 | 7 | 7 |
| of | 0.74 | 0.3 | 5684 | 38 | 2 |
| hydrogen | 1.73 | 0.3 | 3497 | 94 | 8 |
| energy | 0.99 | 0.1 | 9137 | 43 | 6 |
| q1 | 0.87 | 0.9 | 7186 | 56 | 2 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| international journal of hydrogen energy q1 | 1.14 | 1 | 3956 | 70 |
