224 129 sites are using this notification
| From | To | |
| Chrome | Chrome | 42144028 |
| Chrome | Firefox | 6250607 |
| IE/Edge | Chrome | 4721063 |
| Firefox | Firefox | 3580849 |
| IE/Edge | Firefox | 2542062 |
| IE/Edge | IE/Edge | 2056538 |
| Safari | Safari | 1912854 |
| Safari | Chrome | 1014999 |
| Chrome | Opera | 772462 |
| Safari | Firefox | 599748 |
| Firefox | Chrome | 547170 |
| Other | Chrome | 411800 |
| IE/Edge | Opera | 406408 |
| Opera | Opera | 331827 |
| Other | Firefox | 206447 |
| Chrome | IE/Edge | 196449 |
| Opera | Chrome | 116604 |
| Firefox | Opera | 106062 |
| Safari | Opera | 105944 |
| Other | Opera | 101477 |
| Opera | Firefox | 97775 |
| 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 |