| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| airline history books | 1.26 | 0.2 | 9941 | 59 | 21 |
| airline | 1.5 | 0.7 | 3920 | 75 | 7 |
| history | 1.26 | 0.6 | 941 | 83 | 7 |
| books | 1.59 | 0.8 | 5232 | 93 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| airline history books | 1.94 | 0.6 | 7397 | 96 |
| airplane history books | 0.55 | 0.6 | 7812 | 92 |
| history of airline booking | 1.84 | 0.2 | 3496 | 75 |
| history of the airline business book | 0.93 | 0.8 | 7995 | 38 |
| history of airline business | 0.21 | 0.4 | 3747 | 83 |
| google flights booking history | 1.24 | 0.6 | 7999 | 70 |
| air canada booking history | 0.22 | 0.3 | 9443 | 3 |
| when was booking.com founded | 1.9 | 0.9 | 8245 | 83 |
| first name for flight booking | 0.53 | 0.7 | 1610 | 66 |
| airline reservation system history | 1.37 | 0.1 | 1401 | 23 |
| airline booking system introduction | 0.35 | 0.1 | 9395 | 86 |
| history of air travel | 0.65 | 0.2 | 975 | 19 |
| history of passenger air travel | 0.58 | 0.9 | 3801 | 81 |
