| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| who wrote silent spring | 1.19 | 0.7 | 6401 | 34 | 23 |
| who | 1.97 | 0.1 | 321 | 96 | 3 |
| wrote | 0.29 | 0.1 | 3583 | 49 | 5 |
| silent | 0.98 | 0.5 | 3091 | 46 | 6 |
| spring | 1.49 | 1 | 277 | 82 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| who wrote silent spring | 0.48 | 0.5 | 1505 | 70 |
| who wrote silent spring 1962 | 1.6 | 0.6 | 2734 | 4 |
| who wrote silent spring book | 1.84 | 0.8 | 8648 | 38 |
| rachel carson wrote the book silent spring | 0.35 | 0.7 | 4318 | 9 |
| who wrote the 1962 book silent spring | 1.22 | 0.1 | 5988 | 9 |
| rachel carson wrote silent spring in 1962 | 0.37 | 0.8 | 4453 | 68 |
| who wrote the influential book silent spring | 1.46 | 0.6 | 1793 | 19 |
| who wrote the book silent spring | 1.05 | 1 | 582 | 34 |
| silent spring was written by | 0.38 | 0.4 | 4381 | 94 |
| who published silent spring | 0.95 | 0.3 | 2076 | 97 |
| what year was silent spring written | 0.09 | 0.2 | 285 | 69 |
| who was the author of silent spring | 1.93 | 0.3 | 951 | 1 |
| book silent spring was written by | 0.59 | 0.5 | 7938 | 6 |
| the 1962 book silent spring documented | 0.54 | 0.4 | 1534 | 96 |
| the silent spring author | 0.71 | 0.2 | 7629 | 76 |
| what year was silent spring published | 1.04 | 0.1 | 8848 | 69 |
| when was the silent spring published | 0.17 | 0.6 | 3371 | 27 |
