| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| wavelength modulation spectroscopy | 1.66 | 0.2 | 8003 | 69 | 34 |
| wavelength | 0.38 | 0.4 | 1658 | 59 | 10 |
| modulation | 0.66 | 0.5 | 4944 | 51 | 10 |
| spectroscopy | 0.68 | 0.5 | 3629 | 29 | 12 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| wavelength modulation spectroscopy | 1.05 | 0.3 | 4818 | 70 |
