| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| when was the philadelphia zoo founded | 1.64 | 0.6 | 655 | 12 | 37 |
| when | 0.62 | 0.7 | 7412 | 79 | 4 |
| was | 1.02 | 0.9 | 8807 | 84 | 3 |
| the | 0.53 | 0.1 | 5533 | 68 | 3 |
| philadelphia | 0.77 | 0.4 | 5528 | 50 | 12 |
| zoo | 0.12 | 0.2 | 3420 | 11 | 3 |
| founded | 1.78 | 0.2 | 3165 | 34 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| when was the philadelphia zoo founded | 1.43 | 0.1 | 5708 | 24 |
