| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| what is the unrestricted submarine warfare | 1.11 | 0.4 | 3450 | 47 | 42 |
| what | 1.93 | 0.5 | 1944 | 38 | 4 |
| is | 0.15 | 0.2 | 177 | 20 | 2 |
| the | 1.29 | 1 | 9091 | 22 | 3 |
| unrestricted | 1.71 | 0.4 | 7749 | 32 | 12 |
| submarine | 1.79 | 0.7 | 5459 | 85 | 9 |
| warfare | 1.63 | 0.4 | 8054 | 21 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what is the unrestricted submarine warfare | 1.03 | 0.4 | 9910 | 85 |
| what was unrestricted submarine warfare | 0.84 | 0.6 | 2952 | 39 |
| define unrestricted submarine warfare | 1.99 | 0.1 | 5906 | 85 |
| unrestricted submarine warfare meaning | 1.56 | 1 | 6838 | 49 |
| unrestricted submarine warfare/sussex pledge | 0.34 | 1 | 562 | 89 |
| definition of unrestricted submarine warfare | 1.22 | 0.9 | 360 | 39 |
| german unrestricted submarine warfare | 1.38 | 0.3 | 1335 | 35 |
| german unrestricted submarine warfare ww1 | 0.47 | 0.1 | 5816 | 72 |
| unrestricted submarine warfare | 1.28 | 0.2 | 2813 | 34 |
| unrestricted submarine warfare ww1 | 1.03 | 0.2 | 2453 | 5 |
| unrestricted submarine warfare definition ww1 | 1.15 | 0.9 | 9377 | 34 |
