| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| hydrogen fluoride idlh | 0.91 | 0.9 | 3158 | 98 | 22 |
| hydrogen | 1.35 | 0.9 | 2838 | 25 | 8 |
| fluoride | 1.37 | 0.7 | 9849 | 61 | 8 |
| idlh | 1.87 | 0.9 | 754 | 47 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| hydrogen fluoride idlh | 0.13 | 0.8 | 2441 | 38 |
| hydrogen chloride idlh | 1.01 | 1 | 7038 | 3 |
