226 309 sites are using this notification
| From | To | |
| Chrome | Chrome | 42859344 |
| Chrome | Firefox | 6326775 |
| IE/Edge | Chrome | 4731764 |
| Firefox | Firefox | 3652555 |
| IE/Edge | Firefox | 2546498 |
| Safari | Safari | 2057019 |
| IE/Edge | IE/Edge | 2056538 |
| Safari | Chrome | 1040068 |
| Chrome | Opera | 783196 |
| Safari | Firefox | 608749 |
| Firefox | Chrome | 559001 |
| Other | Chrome | 411800 |
| IE/Edge | Opera | 408625 |
| Opera | Opera | 339044 |
| Other | Firefox | 206447 |
| Chrome | IE/Edge | 196449 |
| Opera | Chrome | 119205 |
| Firefox | Opera | 107876 |
| Safari | Opera | 107182 |
| Other | Opera | 101477 |
| Opera | Firefox | 98593 |
| 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 | 11895 |
| Firefox | Safari | 11013 |