158 333 sites are using this notification
| From | To | |
| Chrome | Chrome | 15804846 |
| IE/Edge | Chrome | 3410779 |
| Chrome | Firefox | 3260654 |
| Firefox | Firefox | 2282118 |
| IE/Edge | Firefox | 2105522 |
| IE/Edge | IE/Edge | 2056538 |
| Safari | Chrome | 656168 |
| Chrome | Opera | 630434 |
| Safari | Firefox | 469885 |
| Safari | Safari | 437779 |
| Other | Chrome | 411800 |
| IE/Edge | Opera | 351623 |
| Firefox | Chrome | 348493 |
| Opera | Opera | 223938 |
| Other | Firefox | 206447 |
| Chrome | IE/Edge | 196449 |
| Other | Opera | 101477 |
| Safari | Opera | 92478 |
| Firefox | Opera | 80686 |
| Opera | Firefox | 73248 |
| Opera | Chrome | 70457 |
| Other | Safari | 50659 |
| Firefox | IE/Edge | 42982 |
| Other | IE/Edge | 37113 |
| IE/Edge | Safari | 26763 |
| Safari | IE/Edge | 13646 |
| Opera | IE/Edge | 13473 |
| Chrome | Safari | 11795 |
| Firefox | Safari | 10996 |