179 348 sites are using this notification
| From | To | |
| Chrome | Chrome | 24228834 |
| Chrome | Firefox | 4154696 |
| IE/Edge | Chrome | 4019933 |
| Firefox | Firefox | 2749360 |
| IE/Edge | Firefox | 2315231 |
| IE/Edge | IE/Edge | 2056538 |
| Safari | Chrome | 746116 |
| Chrome | Opera | 665181 |
| Safari | Safari | 574771 |
| Safari | Firefox | 507326 |
| Other | Chrome | 411800 |
| Firefox | Chrome | 411206 |
| IE/Edge | Opera | 371103 |
| Opera | Opera | 247938 |
| Other | Firefox | 206447 |
| Chrome | IE/Edge | 196449 |
| Other | Opera | 101477 |
| Safari | Opera | 95573 |
| Firefox | Opera | 90018 |
| Opera | Chrome | 84052 |
| Opera | Firefox | 81171 |
| Other | Safari | 50659 |
| Firefox | IE/Edge | 42982 |
| Other | IE/Edge | 37113 |
| IE/Edge | Safari | 26783 |
| Safari | IE/Edge | 13646 |
| Opera | IE/Edge | 13473 |
| Chrome | Safari | 11831 |
| Firefox | Safari | 11006 |