177 269 sites are using this notification
| From | To | |
| Chrome | Chrome | 23201735 |
| Chrome | Firefox | 4036929 |
| IE/Edge | Chrome | 3941715 |
| Firefox | Firefox | 2695112 |
| IE/Edge | Firefox | 2289012 |
| IE/Edge | IE/Edge | 2056538 |
| Safari | Chrome | 736486 |
| Chrome | Opera | 661559 |
| Safari | Safari | 562611 |
| Safari | Firefox | 503110 |
| Other | Chrome | 411800 |
| Firefox | Chrome | 403544 |
| IE/Edge | Opera | 368855 |
| Opera | Opera | 245509 |
| Other | Firefox | 206447 |
| Chrome | IE/Edge | 196449 |
| Other | Opera | 101477 |
| Safari | Opera | 95156 |
| Firefox | Opera | 89155 |
| Opera | Chrome | 82056 |
| Opera | Firefox | 80098 |
| Other | Safari | 50659 |
| Firefox | IE/Edge | 42982 |
| Other | IE/Edge | 37113 |
| IE/Edge | Safari | 26778 |
| Safari | IE/Edge | 13646 |
| Opera | IE/Edge | 13473 |
| Chrome | Safari | 11827 |
| Firefox | Safari | 11003 |