| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| solved mysteries historical | 1.24 | 0.6 | 1080 | 85 | 27 |
| solved | 1.7 | 0.3 | 7492 | 69 | 6 |
| mysteries | 1.3 | 0.3 | 4867 | 20 | 9 |
| historical | 1.97 | 0.6 | 964 | 88 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| historical mysteries solved | 0.36 | 1 | 4449 | 98 |
| historical mysteries that were never solved | 0.85 | 0.2 | 6399 | 43 |
| unlocking the past: historical mystery solved | 0.68 | 0.5 | 39 | 32 |
| historical mysteries yet to be solved | 2 | 1 | 5628 | 11 |
| mysteries that will never be solved | 1.81 | 0.3 | 1985 | 47 |
| mysteries that were finally solved | 1.27 | 0.8 | 2914 | 59 |
| mysteries that were solved years later | 0.31 | 0.3 | 4270 | 80 |
| unsolved mysteries that were finally solved | 1.98 | 0.5 | 9028 | 96 |
| craziest mysteries that were not solved | 1.04 | 0.6 | 1622 | 78 |
| unsolved mysteries that were solved | 1.72 | 0.6 | 3896 | 94 |
| creepy mysteries that have never been solved | 0.6 | 1 | 1664 | 59 |
| mysteries that haven't been solved | 1.08 | 0.2 | 1158 | 83 |
| mysteries never solved in america | 0.51 | 0.3 | 2916 | 26 |
| solved mysteries in history | 0.71 | 0.4 | 7153 | 78 |
| famous unsolved mysteries in history | 0.7 | 0.8 | 3704 | 49 |
| the best unsolved mysteries of history | 1.03 | 0.5 | 6616 | 44 |
| top unsolved mysteries in history | 1.3 | 0.9 | 3521 | 44 |
| greatest unsolved mysteries in history | 1.07 | 0.8 | 1741 | 11 |
| historical mysteries unsolved | 0.59 | 0.8 | 7877 | 11 |
