| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| secondary sources for ww2 | 0.08 | 0.9 | 5557 | 49 | 25 |
| secondary | 1.55 | 0.4 | 2562 | 34 | 9 |
| sources | 1.56 | 0.5 | 417 | 62 | 7 |
| for | 1.92 | 0.3 | 7660 | 52 | 3 |
| ww2 | 0.96 | 0.5 | 9126 | 92 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| secondary sources for ww2 | 1.75 | 1 | 7478 | 96 |
