| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| most successful civilizations in history | 1.16 | 0.7 | 2595 | 28 | 40 |
| most | 1.5 | 0.2 | 8765 | 58 | 4 |
| successful | 1.27 | 0.3 | 8256 | 5 | 10 |
| civilizations | 1.43 | 0.2 | 6752 | 4 | 13 |
| in | 1.38 | 0.5 | 6604 | 88 | 2 |
| history | 1.56 | 0.5 | 2440 | 22 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| most successful civilizations in history | 1.55 | 1 | 3283 | 40 |
| greatest civilizations in history | 1.22 | 0.8 | 1484 | 49 |
| most important civilizations in history | 1.87 | 0.4 | 8135 | 22 |
| most powerful civilizations in history | 1.93 | 0.2 | 9909 | 97 |
| most advanced civilizations in history | 1.02 | 0.3 | 4283 | 77 |
| top civilizations in history | 1.57 | 0.2 | 5283 | 40 |
| strongest civilizations in history | 0.54 | 0.3 | 8875 | 16 |
| great civilizations in history | 1.71 | 0.3 | 3838 | 71 |
| greatest civilizations of all time | 0.65 | 0.6 | 6808 | 95 |
| top ancient civilizations in history | 0.86 | 0.9 | 8485 | 53 |
| most influential ancient civilizations | 0.53 | 0.2 | 208 | 2 |
| most advanced ancient civilizations | 0.91 | 0.5 | 5899 | 89 |
| greatest civilizations of the world | 1.88 | 0.3 | 2618 | 6 |
| what was the most advanced civilization | 0.23 | 0.8 | 2081 | 66 |
| what was the best ancient civilization | 0.02 | 0.4 | 2661 | 81 |
| what is the greatest ancient civilization | 0.41 | 0.3 | 6715 | 74 |
