221 598 sites are using this notification
| From | To | |
| Chrome | Chrome | 41136868 |
| Chrome | Firefox | 6142673 |
| IE/Edge | Chrome | 4706423 |
| Firefox | Firefox | 3538591 |
| IE/Edge | Firefox | 2535874 |
| IE/Edge | IE/Edge | 2056538 |
| Safari | Safari | 1780532 |
| Safari | Chrome | 991702 |
| Chrome | Opera | 759653 |
| Safari | Firefox | 593409 |
| Firefox | Chrome | 537050 |
| Other | Chrome | 411800 |
| IE/Edge | Opera | 403456 |
| Opera | Opera | 319329 |
| Other | Firefox | 206447 |
| Chrome | IE/Edge | 196449 |
| Opera | Chrome | 113244 |
| Firefox | Opera | 104779 |
| Safari | Opera | 104749 |
| Other | Opera | 101477 |
| Opera | Firefox | 96480 |
| 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 | 11879 |
| Firefox | Safari | 11013 |