| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| correspondence education teaching materials | 1.01 | 0.4 | 611 | 12 | 43 |
| correspondence | 1.7 | 0.9 | 5390 | 2 | 14 |
| education | 1.66 | 0.8 | 1953 | 22 | 9 |
| teaching | 1.82 | 1 | 7280 | 13 | 8 |
| materials | 0.82 | 0.1 | 9127 | 6 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| correspondence education teaching materials | 0.75 | 0.6 | 6320 | 70 |
