182 193 sites are using this notification
| From | To | |
| Chrome | Chrome | 25582311 |
| Chrome | Firefox | 4308657 |
| IE/Edge | Chrome | 4116042 |
| Firefox | Firefox | 2821278 |
| IE/Edge | Firefox | 2346155 |
| IE/Edge | IE/Edge | 2056538 |
| Safari | Chrome | 757639 |
| Chrome | Opera | 670225 |
| Safari | Safari | 589421 |
| Safari | Firefox | 512081 |
| Firefox | Chrome | 421046 |
| Other | Chrome | 411800 |
| IE/Edge | Opera | 373096 |
| Opera | Opera | 251632 |
| Other | Firefox | 206447 |
| Chrome | IE/Edge | 196449 |
| Other | Opera | 101477 |
| Safari | Opera | 96085 |
| Firefox | Opera | 91139 |
| Opera | Chrome | 86372 |
| Opera | Firefox | 82357 |
| Other | Safari | 50659 |
| Firefox | IE/Edge | 42982 |
| Other | IE/Edge | 37113 |
| IE/Edge | Safari | 26784 |
| Safari | IE/Edge | 13646 |
| Opera | IE/Edge | 13473 |
| Chrome | Safari | 11833 |
| Firefox | Safari | 11006 |