| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| historical period of time | 0.53 | 0.3 | 397 | 21 | 25 |
| historical | 1.33 | 0.5 | 7652 | 32 | 10 |
| period | 1.59 | 0.6 | 7817 | 77 | 6 |
| of | 0.79 | 0.6 | 6952 | 8 | 2 |
| time | 0.85 | 0.6 | 954 | 4 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| historical period of time | 1.65 | 0.4 | 5200 | 87 |
