| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| german unrestricted submarine warfare ww1 | 0.31 | 0.4 | 3571 | 82 | 41 |
| german | 0.75 | 0.6 | 6377 | 30 | 6 |
| unrestricted | 1.77 | 0.7 | 5539 | 57 | 12 |
| submarine | 1.67 | 0.4 | 1573 | 53 | 9 |
| warfare | 1.81 | 0.9 | 9718 | 52 | 7 |
| ww1 | 0.62 | 0.3 | 9073 | 38 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| german unrestricted submarine warfare ww1 | 1.74 | 0.7 | 8139 | 33 |
| germany unrestricted submarine warfare ww1 | 0.01 | 1 | 802 | 15 |
| german unrestricted submarine warfare ww2 | 1.57 | 0.6 | 1637 | 97 |
| ww1 unrestricted submarine warfare | 0.88 | 0.2 | 6034 | 75 |
| german submarine warfare ww1 | 1.99 | 0.1 | 4755 | 15 |
| world war 1 unrestricted submarine warfare | 1.56 | 0.3 | 3124 | 37 |
| germany begins unrestricted submarine warfare | 1.56 | 0.7 | 1510 | 43 |
| wwi unrestricted submarine warfare | 0.48 | 0.6 | 267 | 98 |
| unrestricted submarine warfare ww1 facts | 0.36 | 0.4 | 3007 | 57 |
| unrestricted submarine warfare ww2 | 0.55 | 0.2 | 5718 | 30 |
| world war 1 german submarine | 1.12 | 1 | 5501 | 78 |
| german submarines world war 1 | 1.09 | 0.2 | 9627 | 36 |
| world war one german submarines | 0.69 | 0.8 | 5648 | 53 |
