| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| what time period marked roman civilization | 0.76 | 0.8 | 5691 | 5 | 42 |
| what | 1.15 | 0.4 | 4469 | 95 | 4 |
| time | 1.11 | 0.1 | 9248 | 80 | 4 |
| period | 0.18 | 0.9 | 3475 | 44 | 6 |
| marked | 0.31 | 0.7 | 6348 | 91 | 6 |
| roman | 0.93 | 0.7 | 3892 | 55 | 5 |
| civilization | 1.62 | 0.4 | 923 | 78 | 12 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what time period marked roman civilization | 0.87 | 0.3 | 3598 | 99 |
| what time period was the roman era | 1.14 | 0.1 | 8854 | 12 |
| when was the roman civilization | 0.95 | 0.1 | 239 | 95 |
| what time period was the roman empire | 0.79 | 0.8 | 6467 | 23 |
| ancient roman time period | 1.73 | 0.5 | 8320 | 97 |
| timeline of roman civilization | 0.86 | 0.1 | 1745 | 86 |
| when was the roman time period | 0.49 | 0.3 | 5353 | 99 |
| what time period was ancient rome | 0.4 | 0.1 | 9765 | 79 |
| when did the roman civilization begin | 0.19 | 0.6 | 5634 | 91 |
| roman empire time period | 1.09 | 1 | 9675 | 14 |
| what time period was romans | 1.62 | 0.5 | 5558 | 73 |
| early roman empire time period | 0.74 | 0.9 | 5136 | 17 |
| when did the roman civilization start | 1.97 | 0.6 | 4626 | 41 |
| ancient rome time period | 1.26 | 0.9 | 5640 | 42 |
| when did roman civilization develop | 0.52 | 0.4 | 8256 | 52 |
| history of roman civilization | 0.32 | 0.1 | 8265 | 90 |
| when was the roman period | 0.52 | 0.6 | 1192 | 67 |
| ancient rome civilization timeline | 1.21 | 0.1 | 599 | 82 |
| when was the ancient roman era | 0.95 | 0.4 | 985 | 99 |
