| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| airport security before 9 | 0.18 | 0.3 | 17 | 57 | 25 |
| airport | 1.14 | 0.1 | 763 | 54 | 7 |
| security | 0.04 | 0.6 | 8250 | 77 | 8 |
| before | 0.05 | 0.1 | 1041 | 77 | 6 |
| 9 | 0.37 | 0.5 | 1171 | 5 | 1 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| airport security before 9/11 | 0.37 | 1 | 7752 | 91 |
| what was airport security like before 9/11 | 0.99 | 0.9 | 1220 | 80 |
| airport security before and after 911 | 1.72 | 0.1 | 4788 | 50 |
| was there airport security before 911 | 1.08 | 0.2 | 890 | 70 |
| how was airport security before 9/11 | 1.24 | 0.8 | 6642 | 67 |
| us airport security before 9/11 | 1.01 | 1 | 9634 | 65 |
| describe airport security before 9/11 | 1.34 | 0.8 | 6451 | 19 |
| airport security procedures before 9 11 | 0.83 | 0.1 | 1505 | 97 |
| before 9/11 airport security | 1.58 | 0.2 | 199 | 93 |
| airport security prior to 9/11 | 1.74 | 0.9 | 6400 | 77 |
| how did 9/11 affect airport security | 1.66 | 0.5 | 7807 | 47 |
| pre 9/11 airport security | 0.25 | 0.3 | 569 | 85 |
| post 9/11 airport security | 1.81 | 0.8 | 8733 | 98 |
| airline security before 9/11 | 1.38 | 0.9 | 9098 | 93 |
| how airport security changed after 9/11 | 0.65 | 0.4 | 569 | 70 |
| how has 9/11 changed airport security | 0.04 | 0.5 | 953 | 85 |
| was there airport security before 9/11 | 1.85 | 0.1 | 9379 | 53 |
| airport security before and after 9/11 | 0.12 | 0.1 | 4346 | 26 |
