| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| when was gunpowder developed | 1.17 | 0.1 | 2085 | 44 | 28 |
| when | 1.06 | 0.9 | 7545 | 78 | 4 |
| was | 1.09 | 1 | 3846 | 52 | 3 |
| gunpowder | 0.21 | 1 | 2152 | 75 | 9 |
| developed | 0.92 | 0.6 | 905 | 74 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| when was gunpowder developed | 0.32 | 0.2 | 6349 | 99 |
| who developed gunpowder | 0.69 | 0.2 | 8095 | 72 |
| who first developed gunpowder | 1.1 | 0.9 | 203 | 94 |
