223 828 sites are using this notification
| From | To | |
| Chrome | Chrome | 42009193 |
| Chrome | Firefox | 6235401 |
| IE/Edge | Chrome | 4718834 |
| Firefox | Firefox | 3574648 |
| IE/Edge | Firefox | 2540951 |
| IE/Edge | IE/Edge | 2056538 |
| Safari | Safari | 1894991 |
| Safari | Chrome | 1011958 |
| Chrome | Opera | 770735 |
| Safari | Firefox | 598897 |
| Firefox | Chrome | 545654 |
| Other | Chrome | 411800 |
| IE/Edge | Opera | 405900 |
| Opera | Opera | 330392 |
| Other | Firefox | 206447 |
| Chrome | IE/Edge | 196449 |
| Opera | Chrome | 116060 |
| Firefox | Opera | 105863 |
| Safari | Opera | 105798 |
| Other | Opera | 101477 |
| Opera | Firefox | 97570 |
| 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 |