194 406 sites are using this notification
| From | To | |
| Chrome | Chrome | 28873586 |
| Chrome | Firefox | 4718169 |
| IE/Edge | Chrome | 4308708 |
| Firefox | Firefox | 2990570 |
| IE/Edge | Firefox | 2406981 |
| IE/Edge | IE/Edge | 2056538 |
| Safari | Chrome | 797378 |
| Chrome | Opera | 682610 |
| Safari | Safari | 669297 |
| Safari | Firefox | 526491 |
| Firefox | Chrome | 444071 |
| Other | Chrome | 411800 |
| IE/Edge | Opera | 378043 |
| Opera | Opera | 262302 |
| Other | Firefox | 206447 |
| Chrome | IE/Edge | 196449 |
| Other | Opera | 101477 |
| Safari | Opera | 97484 |
| Firefox | Opera | 93315 |
| Opera | Chrome | 91455 |
| Opera | Firefox | 86361 |
| Other | Safari | 50659 |
| Firefox | IE/Edge | 42982 |
| Other | IE/Edge | 37113 |
| IE/Edge | Safari | 26792 |
| Safari | IE/Edge | 13646 |
| Opera | IE/Edge | 13473 |
| Chrome | Safari | 11841 |
| Firefox | Safari | 11006 |