223 891 sites are using this notification
| From | To | |
| Chrome | Chrome | 42048378 |
| Chrome | Firefox | 6240110 |
| IE/Edge | Chrome | 4719495 |
| Firefox | Firefox | 3576402 |
| IE/Edge | Firefox | 2541291 |
| IE/Edge | IE/Edge | 2056538 |
| Safari | Safari | 1899347 |
| Safari | Chrome | 1012759 |
| Chrome | Opera | 771218 |
| Safari | Firefox | 599135 |
| Firefox | Chrome | 546148 |
| Other | Chrome | 411800 |
| IE/Edge | Opera | 406061 |
| Opera | Opera | 330838 |
| Other | Firefox | 206447 |
| Chrome | IE/Edge | 196449 |
| Opera | Chrome | 116246 |
| Firefox | Opera | 105923 |
| Safari | Opera | 105834 |
| Other | Opera | 101477 |
| Opera | Firefox | 97641 |
| 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 |