225 896 sites are using this notification
| From | To | |
| Chrome | Chrome | 42717750 |
| Chrome | Firefox | 6311051 |
| IE/Edge | Chrome | 4730045 |
| Firefox | Firefox | 3635967 |
| IE/Edge | Firefox | 2545879 |
| IE/Edge | IE/Edge | 2056538 |
| Safari | Safari | 2027241 |
| Safari | Chrome | 1034247 |
| Chrome | Opera | 780431 |
| Safari | Firefox | 606384 |
| Firefox | Chrome | 556335 |
| Other | Chrome | 411800 |
| IE/Edge | Opera | 408308 |
| Opera | Opera | 337748 |
| Other | Firefox | 206447 |
| Chrome | IE/Edge | 196449 |
| Opera | Chrome | 118690 |
| Firefox | Opera | 107451 |
| Safari | Opera | 106899 |
| Other | Opera | 101477 |
| Opera | Firefox | 98442 |
| 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 |