| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| a review of technologies and applications | 1.8 | 0.9 | 1113 | 49 | 41 |
| a | 1.93 | 0.4 | 4259 | 56 | 1 |
| review | 1.12 | 0.6 | 4456 | 4 | 6 |
| of | 0.04 | 0.7 | 7140 | 15 | 2 |
| technologies | 0.68 | 0.3 | 287 | 56 | 12 |
| and | 0.48 | 0.6 | 3058 | 38 | 3 |
| applications | 0.48 | 0.2 | 3903 | 74 | 12 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| a review of technologies and applications | 0.27 | 0.7 | 9439 | 33 |
