| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| greatest civilizations in history | 1 | 0.8 | 9804 | 38 | 33 |
| greatest | 0.77 | 1 | 72 | 1 | 8 |
| civilizations | 1.65 | 0.3 | 8493 | 87 | 13 |
| in | 0.44 | 0.1 | 1125 | 19 | 2 |
| history | 1.12 | 0.8 | 7512 | 53 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| greatest civilizations in history | 0.89 | 0.2 | 1674 | 80 |
| what was the greatest civilization in history | 0.98 | 0.2 | 1098 | 78 |
| what is the greatest civilization in history | 1.89 | 0.2 | 7404 | 96 |
| the greatest civilization in history | 1.63 | 0.7 | 2273 | 8 |
| most successful civilizations in history | 0.66 | 0.8 | 4091 | 14 |
| biggest civilizations in history | 1.55 | 0.1 | 8371 | 45 |
| world history great civilizations | 1.7 | 0.5 | 9970 | 40 |
| most famous ancient civilizations | 0.88 | 0.4 | 4722 | 58 |
| the most ancient civilizations | 1.92 | 0.1 | 7216 | 95 |
| famous civilizations of the world | 1.66 | 0.6 | 1278 | 93 |
| most influential ancient civilizations | 0.13 | 0.8 | 794 | 57 |
| most interesting ancient civilizations | 0.09 | 1 | 9501 | 87 |
| prominent civilizations of the world | 0.79 | 0.9 | 6728 | 65 |
