179 168 sites are using this notification
| From | To | |
| Chrome | Chrome | 24146232 |
| Chrome | Firefox | 4144770 |
| IE/Edge | Chrome | 4013604 |
| Firefox | Firefox | 2745139 |
| IE/Edge | Firefox | 2313185 |
| IE/Edge | IE/Edge | 2056538 |
| Safari | Chrome | 745296 |
| Chrome | Opera | 664793 |
| Safari | Safari | 573655 |
| Safari | Firefox | 506948 |
| Other | Chrome | 411800 |
| Firefox | Chrome | 410575 |
| IE/Edge | Opera | 370901 |
| Opera | Opera | 247753 |
| Other | Firefox | 206447 |
| Chrome | IE/Edge | 196449 |
| Other | Opera | 101477 |
| Safari | Opera | 95516 |
| Firefox | Opera | 89890 |
| Opera | Chrome | 83906 |
| Opera | Firefox | 81078 |
| 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 | 11830 |
| Firefox | Safari | 11006 |