| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| persian road system | 0.25 | 0.3 | 6801 | 70 | 19 |
| persian | 2 | 0.3 | 5136 | 52 | 7 |
| road | 1.4 | 0.7 | 1441 | 89 | 4 |
| system | 0.4 | 0.4 | 638 | 12 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| persian road system | 1.43 | 0.3 | 3414 | 66 |
| persian empire road system | 0.99 | 0.2 | 7729 | 35 |
| the royal road persian empire | 0.59 | 0.1 | 879 | 8 |
| persian empire trade routes | 1.1 | 0.8 | 8726 | 80 |
| persian empire silk road | 0.32 | 0.2 | 34 | 78 |
| persian royal road facts | 0.67 | 0.8 | 8672 | 49 |
| what was the persian royal road | 1.18 | 0.5 | 2217 | 71 |
| the persian royal road stretched from | 0.49 | 0.9 | 6346 | 31 |
| persian empire on a map | 1.13 | 0.7 | 3444 | 81 |
| map of the persian royal road | 1.03 | 0.1 | 8451 | 78 |
