224 486 sites are using this notification
| From | To | |
| Chrome | Chrome | 42286199 |
| Chrome | Firefox | 6266522 |
| IE/Edge | Chrome | 4723719 |
| Firefox | Firefox | 3586965 |
| IE/Edge | Firefox | 2543279 |
| IE/Edge | IE/Edge | 2056538 |
| Safari | Safari | 1931727 |
| Safari | Chrome | 1018499 |
| Chrome | Opera | 774321 |
| Safari | Firefox | 600761 |
| Firefox | Chrome | 548783 |
| Other | Chrome | 411800 |
| IE/Edge | Opera | 407026 |
| Opera | Opera | 333321 |
| Other | Firefox | 206447 |
| Chrome | IE/Edge | 196449 |
| Opera | Chrome | 117100 |
| Firefox | Opera | 106253 |
| Safari | Opera | 106136 |
| Other | Opera | 101477 |
| Opera | Firefox | 97967 |
| 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 | 11892 |
| Firefox | Safari | 11013 |