| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| periods of history timeline | 0.8 | 0.2 | 2480 | 45 | 27 |
| periods | 2 | 0.5 | 9233 | 55 | 7 |
| of | 1.82 | 0.6 | 1260 | 3 | 2 |
| history | 1.86 | 0.5 | 5282 | 59 | 7 |
| timeline | 1.15 | 0.8 | 8082 | 33 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| periods of history timeline | 0.56 | 0.6 | 2566 | 77 |
