| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| how homework was invented | 1.94 | 1 | 1381 | 75 | 25 |
| how | 1.64 | 0.4 | 7394 | 58 | 3 |
| homework | 0.11 | 0.4 | 4226 | 57 | 8 |
| was | 0.7 | 0.7 | 3473 | 73 | 3 |
| invented | 0.77 | 0.2 | 2166 | 82 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how homework was invented | 0.78 | 0.9 | 144 | 12 |
