| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| clinicaltrials.gov covid vaccine | 1.25 | 0.2 | 8650 | 72 | 32 |
| clinicaltrials.gov | 1.39 | 0.6 | 1597 | 12 | 18 |
| covid | 1.1 | 0.8 | 8326 | 28 | 5 |
| vaccine | 0.94 | 0.8 | 8369 | 23 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| clinicaltrials.gov covid vaccine | 1.27 | 0.3 | 4375 | 54 |
