Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
history of the lightning rod | 0.29 | 0.9 | 9692 | 100 |
history of lightning rods | 0.6 | 1 | 7636 | 26 |
lightning rod blueprint history | 1.15 | 0.4 | 9246 | 21 |
lightning rod history and information | 0.08 | 0.9 | 1356 | 15 |
lightning rod balls history | 0.39 | 0.3 | 9658 | 64 |
who made the lightning rod | 1.36 | 0.5 | 8845 | 13 |
inventor of lightning rod | 0.01 | 0.4 | 3605 | 30 |
when was the lightning rod patented | 0.24 | 0.6 | 2220 | 76 |
lightning rod invented in 1752 | 0.53 | 0.5 | 8545 | 20 |
who created the lightning rod | 1.12 | 0.6 | 2945 | 40 |