| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| explain the hygiene hypothesis | 0.05 | 0.3 | 7873 | 20 | 30 |
| explain | 1.76 | 0.7 | 1673 | 39 | 7 |
| the | 1.05 | 0.1 | 213 | 93 | 3 |
| hygiene | 0.66 | 0.1 | 3749 | 21 | 7 |
| hypothesis | 1.04 | 0.8 | 2169 | 19 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| explain the hygiene hypothesis | 0.8 | 0.6 | 3580 | 12 |
