| Keyword | CPC | PCC | Volume | Length string | Score |
|---|---|---|---|---|---|
| the engineering index | 1.48 | 0.1 | 8838 | 21 | 37 |
| the engineering index search | 0.91 | 0.8 | 1281 | 28 | 83 |
| the engineering index ei | 0.85 | 0.6 | 3612 | 24 | 67 |
| the engineering index compendex | 0.07 | 1 | 5267 | 31 | 78 |
| the engineering index compendex web | 1.11 | 0.1 | 5120 | 35 | 80 |
| the engineering index annual | 1.94 | 0.2 | 5499 | 28 | 16 |
| the chemical engineering plant cost index | 0.2 | 0.6 | 8136 | 41 | 80 |
| engineering index database | 1.14 | 0.4 | 5159 | 26 | 45 |
| engineering index journal list | 0.24 | 0.9 | 2714 | 30 | 97 |
| engineering index monthly | 0.25 | 1 | 998 | 25 | 10 |
| engineering index conference list | 1.91 | 0.3 | 9905 | 33 | 95 |
