| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| when are sources required | 1.94 | 0.6 | 4130 | 25 | 25 |
| when | 1.37 | 0.1 | 2204 | 48 | 4 |
| are | 1.34 | 0.4 | 4694 | 12 | 3 |
| sources | 0.04 | 0.4 | 3140 | 20 | 7 |
| required | 0.74 | 0.3 | 7496 | 27 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| when are sources required | 0.89 | 0.7 | 4321 | 22 |
