| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| free electronic library online | 0.41 | 0.2 | 3122 | 20 | 30 |
| free | 1.47 | 0.4 | 7528 | 47 | 4 |
| electronic | 1.36 | 0.4 | 6109 | 32 | 10 |
| library | 0.96 | 0.4 | 2459 | 25 | 7 |
| online | 0.31 | 1 | 8028 | 95 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| free electronic library online | 0.05 | 0.3 | 9542 | 39 |
