| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| underground tunnels in london | 0.01 | 0.6 | 8044 | 30 | 29 |
| underground | 0.79 | 0.7 | 8037 | 84 | 11 |
| tunnels | 1.39 | 0.7 | 4590 | 6 | 7 |
| in | 1.89 | 0.9 | 1482 | 62 | 2 |
| london | 0.12 | 0.2 | 1004 | 93 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| underground tunnels in london | 0.83 | 0.8 | 7610 | 70 |
| london secret underground tunnels | 1.53 | 0.2 | 5713 | 2 |
| london underground tunnels map | 0.27 | 1 | 6530 | 32 |
| london underground tunnels tour | 1.21 | 0.6 | 3073 | 10 |
| london underground map showing tunnels | 1.16 | 0.6 | 6690 | 87 |
| secret of london underground | 1.26 | 0.5 | 7265 | 48 |
| disused london underground tunnels | 1.51 | 0.5 | 4378 | 20 |
| exploring secret underground tunnels | 0.79 | 0.7 | 473 | 93 |
| underground tunnels in uk | 1.99 | 0.4 | 4592 | 22 |
| secret underground tunnels in manchester | 0.73 | 0.6 | 287 | 51 |
| secret underground tunnels in nyc | 1.7 | 0.1 | 9263 | 26 |
| secrets of underground london | 0.46 | 0.4 | 9949 | 36 |
| underground secret tunnel system | 1.25 | 0.1 | 471 | 41 |
| london secret underground tours | 0.47 | 0.7 | 2178 | 47 |
| youtube secrets of the london underground | 0.83 | 1 | 3347 | 82 |
| ancient tunnels under london | 0.21 | 0.5 | 4217 | 15 |
