Keyword | CPC | PCC | Volume | Score | Length of keyword |
---|---|---|---|---|---|
what kind of sources do historians use | 0.67 | 0.7 | 9239 | 38 | 38 |
what | 0.7 | 0.4 | 2573 | 56 | 4 |
kind | 0.73 | 1 | 7267 | 22 | 4 |
of | 1.77 | 0.6 | 8288 | 80 | 2 |
sources | 0.06 | 0.8 | 4575 | 47 | 7 |
do | 0.26 | 0.9 | 3213 | 34 | 2 |
historians | 1.34 | 0.2 | 374 | 47 | 10 |
use | 1.34 | 0.5 | 2733 | 27 | 3 |