| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| best and worst cruise lines ranked 2021 | 1.45 | 0.7 | 3816 | 96 |
| ranking of cruise lines 2021 | 0.69 | 0.3 | 4266 | 29 |
| cruise lines ranked from worst to best | 0.85 | 0.6 | 7510 | 47 |
| top 10 best cruise lines for 2021 | 1.97 | 0.3 | 2091 | 43 |
| best cruise lines in the world 2021 | 0.89 | 0.8 | 4138 | 20 |
| cruise lines ranked best to worst 2023 | 0.2 | 0.2 | 9279 | 44 |
| top cruise lines 2021 | 1.71 | 0.4 | 1928 | 64 |
| best and worst cruise lines 2017 | 0.96 | 0.3 | 5896 | 74 |
| cruise lines rankings best worst | 0.99 | 0.2 | 5748 | 17 |
| rank best cruise lines to the worst | 1.92 | 0.8 | 8752 | 87 |
| highest rated cruise ships 2021 | 0.92 | 0.5 | 4665 | 57 |
| best cruise lines ranked | 1.31 | 0.4 | 8445 | 53 |
| best cruise in the world 2021 | 0.12 | 0.9 | 4192 | 28 |
| top cruise lines ranked | 1.49 | 0.9 | 1334 | 75 |
| ranking of best cruise lines | 1.67 | 0.4 | 3997 | 67 |
