175 490 sites are using this notification
| From | To | |
| Chrome | Chrome | 21931545 |
| Chrome | Firefox | 3902384 |
| IE/Edge | Chrome | 3873235 |
| Firefox | Firefox | 2636540 |
| IE/Edge | Firefox | 2266289 |
| IE/Edge | IE/Edge | 2056538 |
| Safari | Chrome | 727429 |
| Chrome | Opera | 657406 |
| Safari | Safari | 550940 |
| Safari | Firefox | 499320 |
| Other | Chrome | 411800 |
| Firefox | Chrome | 395122 |
| IE/Edge | Opera | 366822 |
| Opera | Opera | 242679 |
| Other | Firefox | 206447 |
| Chrome | IE/Edge | 196449 |
| Other | Opera | 101477 |
| Safari | Opera | 94768 |
| Firefox | Opera | 88034 |
| Opera | Chrome | 79776 |
| Opera | Firefox | 78845 |
| Other | Safari | 50659 |
| Firefox | IE/Edge | 42982 |
| Other | IE/Edge | 37113 |
| IE/Edge | Safari | 26774 |
| Safari | IE/Edge | 13646 |
| Opera | IE/Edge | 13473 |
| Chrome | Safari | 11827 |
| Firefox | Safari | 11002 |