| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| authority letter for documents collection | 0.69 | 0.4 | 7479 | 17 | 41 |
| authority | 1.7 | 1 | 4496 | 46 | 9 |
| letter | 0.51 | 0.2 | 8299 | 68 | 6 |
| for | 0.44 | 1 | 6556 | 64 | 3 |
| documents | 0.35 | 0.2 | 6789 | 62 | 9 |
| collection | 0.11 | 0.7 | 4797 | 54 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| authority letter for documents collection | 1.23 | 0.3 | 9289 | 41 |
