225 549 sites are using this notification
| From | To | |
| Chrome | Chrome | 42680511 |
| Chrome | Firefox | 6307146 |
| IE/Edge | Chrome | 4729469 |
| Firefox | Firefox | 3631712 |
| IE/Edge | Firefox | 2545636 |
| IE/Edge | IE/Edge | 2056538 |
| Safari | Safari | 2019109 |
| Safari | Chrome | 1032670 |
| Chrome | Opera | 779797 |
| Safari | Firefox | 605782 |
| Firefox | Chrome | 555645 |
| Other | Chrome | 411800 |
| IE/Edge | Opera | 408204 |
| Opera | Opera | 337413 |
| Other | Firefox | 206447 |
| Chrome | IE/Edge | 196449 |
| Opera | Chrome | 118534 |
| Firefox | Opera | 107319 |
| Safari | Opera | 106826 |
| Other | Opera | 101477 |
| Opera | Firefox | 98406 |
| Other | Safari | 50659 |
| Firefox | IE/Edge | 42982 |
| Other | IE/Edge | 37113 |
| IE/Edge | Safari | 26818 |
| Safari | IE/Edge | 13646 |
| Opera | IE/Edge | 13473 |
| Chrome | Safari | 11894 |
| Firefox | Safari | 11013 |