| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| optical science and engineering | 0.8 | 0.5 | 3597 | 99 | 31 |
| optical | 1.21 | 0.5 | 2508 | 85 | 7 |
| science | 0.34 | 1 | 5214 | 53 | 7 |
| and | 0.4 | 1 | 9109 | 64 | 3 |
| engineering | 1.67 | 0.6 | 5699 | 41 | 11 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| optical science and engineering | 1.27 | 0.5 | 2810 | 72 |
