| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| world war 1 army helmet | 0.49 | 0.7 | 6037 | 40 |
| american world war 1 helmet | 0.35 | 0.5 | 6825 | 34 |
| world war ii army helmet | 1.81 | 0.2 | 1201 | 71 |
| world war 1 helmet for sale | 1.04 | 1 | 4513 | 81 |
| world war 1 german helmet | 1.86 | 0.6 | 1866 | 87 |
| world war 2 army helmet | 1.57 | 0.8 | 6363 | 61 |
| world war 1 helmet identification | 1.95 | 0.6 | 9516 | 29 |
| world war 1 british helmets | 0.87 | 0.8 | 6319 | 83 |
| wwii us army helmet | 0.2 | 1 | 1076 | 56 |
| first world war helmets | 1.33 | 0.4 | 9684 | 38 |
| helmets used in ww1 | 0.24 | 0.2 | 7167 | 87 |
| ww1 us soldier helmets | 0.79 | 1 | 4531 | 78 |
