| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| letter from birmingham jail full text | 0.46 | 0.2 | 823 | 50 | 37 |
| letter | 0.79 | 0.9 | 8983 | 62 | 6 |
| from | 0.98 | 0.7 | 6795 | 56 | 4 |
| birmingham | 1.34 | 0.1 | 9710 | 7 | 10 |
| jail | 0.53 | 0.6 | 3852 | 22 | 4 |
| full | 1.99 | 0.9 | 8893 | 47 | 4 |
| text | 1.12 | 0.6 | 2131 | 33 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| letter from birmingham jail full text | 1.5 | 0.8 | 7877 | 80 |
