| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| historical development of libraries | 0.89 | 0.4 | 5953 | 84 | 35 |
| historical | 0.27 | 0.5 | 6297 | 57 | 10 |
| development | 0.58 | 0.1 | 5392 | 82 | 11 |
| of | 0.85 | 0.2 | 7431 | 67 | 2 |
| libraries | 1.03 | 0.3 | 8799 | 64 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| historical development of libraries | 0.26 | 0.4 | 3889 | 79 |
