| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| difference engine babbage | 0.13 | 0.2 | 1367 | 67 | 25 |
| difference | 0.45 | 0.3 | 7992 | 95 | 10 |
| engine | 0.42 | 0.2 | 8816 | 76 | 6 |
| babbage | 1.07 | 0.4 | 6880 | 92 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| difference engine babbage | 0.34 | 0.1 | 8892 | 30 |
| charles babbage difference engine | 1.51 | 0.7 | 3097 | 4 |
| babbage's difference engine | 1.34 | 1 | 3899 | 2 |
| charles babbage's difference engine | 1.13 | 0.6 | 8876 | 32 |
| charles babbage difference engine 1 | 0.53 | 0.1 | 906 | 98 |
| charles babbage difference engine 2 | 0.3 | 0.5 | 6158 | 80 |
| charles babbage and the difference engine | 1.14 | 0.9 | 2930 | 41 |
| charles babbage invented difference engine | 0.22 | 0.1 | 1139 | 36 |
| charles babbage designed difference engine in | 0.11 | 0.3 | 1969 | 12 |
