| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| messier m18 | 1.15 | 0.7 | 7187 | 16 | 11 |
| messier | 1.47 | 0.6 | 6518 | 5 | 7 |
| m18 | 1.7 | 1 | 2720 | 23 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| messier m18 | 1.89 | 1 | 1549 | 11 |
| messier m16 | 0.64 | 0.6 | 8986 | 88 |
| messier m19 | 0.95 | 0.1 | 7106 | 85 |
| messier 81 | 1.67 | 0.6 | 9698 | 22 |
| messier m48 | 1.9 | 0.8 | 4293 | 42 |
| messier m17 | 1.39 | 0.7 | 4168 | 4 |
| messier 18 | 1.32 | 0.2 | 4512 | 2 |
| messier m11 | 1.3 | 0.3 | 5241 | 4 |
| messier m15 | 1.77 | 0.5 | 9686 | 16 |
| messier m13 | 0.98 | 0.4 | 484 | 71 |
| messier m8 | 0.37 | 0.5 | 6510 | 40 |
| messier m101 | 0.69 | 0.1 | 8140 | 15 |
| messier m109 | 0.22 | 0.8 | 1108 | 15 |
| messier m87 | 0.74 | 0.2 | 3257 | 34 |
| m18 messier object | 1.44 | 0.1 | 1119 | 57 |
