220 441 sites are using this notification
| From | To | |
| Chrome | Chrome | 40693731 |
| Chrome | Firefox | 6093677 |
| IE/Edge | Chrome | 4700751 |
| Firefox | Firefox | 3521020 |
| IE/Edge | Firefox | 2533697 |
| IE/Edge | IE/Edge | 2056538 |
| Safari | Safari | 1724070 |
| Safari | Chrome | 981897 |
| Chrome | Opera | 754306 |
| Safari | Firefox | 590590 |
| Firefox | Chrome | 533190 |
| Other | Chrome | 411800 |
| IE/Edge | Opera | 402502 |
| Opera | Opera | 315713 |
| Other | Firefox | 206447 |
| Chrome | IE/Edge | 196449 |
| Opera | Chrome | 112276 |
| Safari | Opera | 104264 |
| Firefox | Opera | 104203 |
| Other | Opera | 101477 |
| Opera | Firefox | 96076 |
| Other | Safari | 50659 |
| Firefox | IE/Edge | 42982 |
| Other | IE/Edge | 37113 |
| IE/Edge | Safari | 26816 |
| Safari | IE/Edge | 13646 |
| Opera | IE/Edge | 13473 |
| Chrome | Safari | 11878 |
| Firefox | Safari | 11013 |