| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how did machine guns develop in ww1 | 0.37 | 0.4 | 6421 | 1 |
| how did machine guns develop throughout ww1 | 1.56 | 0.2 | 7900 | 64 |
| how did machine guns help ww1 | 1.29 | 0.4 | 7710 | 32 |
| how did machine guns change ww1 | 1.38 | 0.5 | 5618 | 83 |
| how did machine guns impact ww1 | 0.17 | 0.4 | 6022 | 55 |
| how were machine guns effective in ww1 | 0.05 | 0.8 | 8435 | 24 |
| how did machine guns affect ww1 | 0.26 | 0.8 | 3481 | 9 |
| information about machine guns in ww1 | 0.61 | 1 | 9343 | 53 |
| facts about machine guns in ww1 | 1.57 | 0.5 | 4531 | 12 |
| when were machine guns invented in ww1 | 1.22 | 0.2 | 4634 | 3 |
| how machine guns changed ww1 | 1.12 | 1 | 4522 | 61 |
| when were machine guns introduced in ww1 | 1.11 | 0.4 | 8987 | 63 |
| why were machine guns important in ww1 | 1.68 | 0.4 | 6567 | 28 |
| significance of machine guns in ww1 | 0.2 | 0.2 | 7921 | 74 |
| interesting facts about machine guns in ww1 | 0.57 | 0.6 | 9141 | 90 |
| main use of machine guns in ww1 | 1.07 | 0.2 | 2523 | 63 |
| description of machine guns in ww1 | 1.99 | 1 | 4598 | 98 |
| ww1 machine gun history | 1 | 0.8 | 3577 | 57 |
