| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| history mysteries unsolved | 0.25 | 0.7 | 4827 | 48 | 26 |
| history | 0.57 | 0.5 | 3952 | 56 | 7 |
| mysteries | 0.92 | 0.9 | 8295 | 59 | 9 |
| unsolved | 0.67 | 0.8 | 7123 | 87 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| history mysteries unsolved | 1.98 | 0.8 | 7197 | 80 |
| historic mysteries unsolved | 1.41 | 0.2 | 1020 | 25 |
| history mysteries solved | 1.29 | 0.7 | 2801 | 14 |
| greatest unsolved mysteries in history | 0.04 | 0.4 | 5885 | 99 |
| famous unsolved mysteries in history | 1.56 | 0.3 | 9760 | 28 |
| biggest unsolved mysteries in history | 0.01 | 0.6 | 4759 | 65 |
| the best unsolved mysteries of history | 0.06 | 0.8 | 6541 | 68 |
| unsolved mysteries of history king arthur | 0.87 | 0.8 | 1103 | 75 |
