| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| world war 1 sources | 1.72 | 1 | 2538 | 76 | 19 |
| world | 1.99 | 0.1 | 6809 | 31 | 5 |
| war | 0.84 | 0.4 | 4684 | 82 | 3 |
| 1 | 2 | 0.3 | 1431 | 11 | 1 |
| sources | 1.16 | 0.2 | 1119 | 19 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| world war 1 sources | 0.68 | 0.3 | 4204 | 39 |
| world war 1 resources | 1.78 | 0.6 | 3223 | 31 |
| world war 1 source analysis | 1.93 | 0.6 | 9729 | 29 |
| world war 1 primary sources | 1.06 | 1 | 7012 | 73 |
| world war 1 primary sources letters | 0.15 | 0.4 | 2985 | 99 |
| list the two sources the world war 1 | 0.34 | 0.1 | 125 | 85 |
| world war 1 photo essay sources | 1.47 | 0.9 | 4373 | 83 |
| world war 1 secondary sources | 1.58 | 0.6 | 7798 | 76 |
