| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| is history.com a secondary source | 0.06 | 0.2 | 5448 | 41 | 33 |
| is | 1.83 | 0.6 | 4863 | 38 | 2 |
| history.com | 1.08 | 0.9 | 2779 | 94 | 11 |
| a | 0.84 | 0.5 | 9881 | 90 | 1 |
| secondary | 0.21 | 0.9 | 3166 | 34 | 9 |
| source | 1.21 | 0.9 | 1757 | 85 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| is history.com a secondary source | 1.91 | 0.1 | 1900 | 13 |
| is history.com a primary or secondary source | 0.1 | 0.6 | 4821 | 89 |
| is history a secondary source | 0.23 | 1 | 1451 | 4 |
| what is a secondary source history | 0.58 | 0.3 | 8747 | 7 |
| is a history book a secondary source | 0.37 | 0.8 | 7934 | 20 |
| secondary source history definition | 1.07 | 0.9 | 2518 | 71 |
| primary source vs secondary source history | 0.66 | 0.5 | 6732 | 23 |
| secondary source meaning in history | 0.45 | 0.2 | 1881 | 81 |
| history primary or secondary source | 1.42 | 0.3 | 7664 | 96 |
| secondary sources in history are defined as | 1.08 | 0.2 | 6622 | 40 |
| secondary sources of historical information | 0.19 | 0.1 | 9165 | 82 |
