| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| why did castles develop | 1.87 | 0.8 | 944 | 16 | 23 |
| why | 1.83 | 0.6 | 5096 | 4 | 3 |
| did | 1.43 | 0.2 | 2077 | 43 | 3 |
| castles | 1.92 | 0.4 | 6644 | 51 | 7 |
| develop | 0.35 | 0.3 | 7536 | 34 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| why did castles develop | 1.09 | 0.5 | 8619 | 36 |
