223 450 sites are using this notification
| From | To | |
| Chrome | Chrome | 41840978 |
| Chrome | Firefox | 6217651 |
| IE/Edge | Chrome | 4716102 |
| Firefox | Firefox | 3567009 |
| IE/Edge | Firefox | 2539750 |
| IE/Edge | IE/Edge | 2056538 |
| Safari | Safari | 1874184 |
| Safari | Chrome | 1008192 |
| Chrome | Opera | 768454 |
| Safari | Firefox | 597852 |
| Firefox | Chrome | 543922 |
| Other | Chrome | 411800 |
| IE/Edge | Opera | 405337 |
| Opera | Opera | 328731 |
| Other | Firefox | 206447 |
| Chrome | IE/Edge | 196449 |
| Opera | Chrome | 115511 |
| Firefox | Opera | 105659 |
| Safari | Opera | 105571 |
| Other | Opera | 101477 |
| Opera | Firefox | 97345 |
| Other | Safari | 50659 |
| Firefox | IE/Edge | 42982 |
| Other | IE/Edge | 37113 |
| IE/Edge | Safari | 26817 |
| Safari | IE/Edge | 13646 |
| Opera | IE/Edge | 13473 |
| Chrome | Safari | 11884 |
| Firefox | Safari | 11013 |