| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| authority letter for documents collection | 1.46 | 0.9 | 2395 | 86 | 41 |
| authority | 0.01 | 0.9 | 3188 | 67 | 9 |
| letter | 0.79 | 0.2 | 773 | 84 | 6 |
| for | 0.91 | 0.5 | 1209 | 43 | 3 |
| documents | 1.25 | 0.6 | 2322 | 42 | 9 |
| collection | 0.97 | 1 | 707 | 55 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| authority letter for documents collection | 0.29 | 0.7 | 5521 | 50 |
