| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| what is a placebo controlled trial | 1.16 | 0.7 | 9646 | 5 | 34 |
| what | 1.95 | 0.4 | 3086 | 60 | 4 |
| is | 0.09 | 0.7 | 8782 | 31 | 2 |
| a | 0.31 | 0.8 | 3090 | 90 | 1 |
| placebo | 1.95 | 0.4 | 4383 | 11 | 7 |
| controlled | 0.17 | 1 | 6015 | 87 | 10 |
| trial | 1.15 | 0.7 | 8275 | 7 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what is a placebo controlled trial | 0.09 | 0.2 | 7324 | 93 |
