| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| heinlein future history chart | 0.45 | 0.3 | 1704 | 83 | 29 |
| heinlein | 1.69 | 0.4 | 6231 | 47 | 8 |
| future | 1.35 | 0.2 | 4723 | 2 | 6 |
| history | 0.67 | 0.8 | 1305 | 72 | 7 |
| chart | 0.09 | 0.4 | 5457 | 45 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| heinlein future history chart | 0.57 | 0.3 | 6231 | 60 |
