225 264 sites are using this notification
| From | To | |
| Chrome | Chrome | 42553950 |
| Chrome | Firefox | 6293747 |
| IE/Edge | Chrome | 4727666 |
| Firefox | Firefox | 3617547 |
| IE/Edge | Firefox | 2544941 |
| IE/Edge | IE/Edge | 2056538 |
| Safari | Safari | 1990357 |
| Safari | Chrome | 1027585 |
| Chrome | Opera | 777980 |
| Safari | Firefox | 603713 |
| Firefox | Chrome | 553433 |
| Other | Chrome | 411800 |
| IE/Edge | Opera | 407857 |
| Opera | Opera | 336182 |
| Other | Firefox | 206447 |
| Chrome | IE/Edge | 196449 |
| Opera | Chrome | 118063 |
| Firefox | Opera | 106947 |
| Safari | Opera | 106587 |
| Other | Opera | 101477 |
| Opera | Firefox | 98253 |
| 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 | 11893 |
| Firefox | Safari | 11013 |