| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| when was software invented | 0.29 | 0.5 | 9416 | 53 | 26 |
| when | 0.83 | 0.4 | 5907 | 87 | 4 |
| was | 1.77 | 0.1 | 2289 | 49 | 3 |
| software | 1.91 | 0.9 | 7679 | 27 | 8 |
| invented | 0.32 | 0.5 | 6003 | 73 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| when was software invented | 0.39 | 0.6 | 4016 | 67 |
