| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| international journal of hydrogen energy iso4 | 1.72 | 0.5 | 7831 | 33 | 45 |
| international | 1.75 | 0.4 | 9304 | 54 | 13 |
| journal | 1.12 | 0.5 | 5334 | 25 | 7 |
| of | 0.51 | 0.8 | 1287 | 69 | 2 |
| hydrogen | 0.73 | 1 | 4014 | 55 | 8 |
| energy | 0.75 | 0.1 | 1270 | 58 | 6 |
| iso4 | 0.4 | 0.9 | 1457 | 3 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| international journal of hydrogen energy iso4 | 0.2 | 0.5 | 5310 | 3 |
| international journal of hydrogen energy 4 | 0.11 | 0.1 | 7505 | 50 |
| international of journal hydrogen energy | 0.94 | 0.6 | 327 | 47 |
| internation journal of hydrogen energy | 1.27 | 0.7 | 1926 | 24 |
| international journal of hydrogen energy issn | 1.37 | 0.9 | 1685 | 13 |
| internacional journal of hydrogen energy | 0.13 | 0.1 | 745 | 8 |
| interntional journal of hydrogen energy | 0.8 | 0.8 | 1395 | 97 |
| 7. international journal of hydrogen energy | 1.37 | 1 | 1182 | 96 |
| international journal of hydrogen energy abbr | 0.12 | 1 | 5938 | 83 |
| international journal of hydrogen enrgy | 0.57 | 1 | 624 | 59 |
| internal journal of hydrogen energy | 0.28 | 0.1 | 1598 | 8 |
| journal of international hydrogen | 1 | 0.2 | 7385 | 82 |
