| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| biggest secrets in history | 1.38 | 0.1 | 6556 | 94 | 26 |
| biggest | 1.99 | 0.7 | 8194 | 37 | 7 |
| secrets | 0.35 | 0.9 | 1066 | 90 | 7 |
| in | 1.29 | 0.2 | 8873 | 66 | 2 |
| history | 1.76 | 0.6 | 3738 | 7 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| biggest secrets in history | 0.73 | 0.4 | 77 | 75 |
| biggest secrets in the world | 1.17 | 0.7 | 5799 | 63 |
| greatest secrets of all time | 0.07 | 0.5 | 7811 | 69 |
| biggest secrets of the usa | 1.9 | 0.2 | 2401 | 21 |
| the world's biggest secret | 0.73 | 0.3 | 3906 | 1 |
| secrets of american history | 0.47 | 0.7 | 7413 | 91 |
| greatest secret in the world | 1.55 | 0.5 | 280 | 61 |
| secret history of the world | 0.82 | 1 | 1312 | 80 |
| most secret society in history | 0.25 | 0.2 | 1944 | 35 |
| what is your biggest secret | 0.61 | 0.7 | 1018 | 94 |
| the secret history article | 1.66 | 0.2 | 6103 | 29 |
| the first big secret | 1.43 | 0.6 | 3708 | 71 |
| information about the secrets | 1.22 | 1 | 6505 | 29 |
| secrets it held which were | 0.14 | 0.5 | 320 | 37 |
| best kept secrets of all time | 0.84 | 1 | 7932 | 46 |
