225 991 sites are using this notification
| From | To | |
| Chrome | Chrome | 42757493 |
| Chrome | Firefox | 6315759 |
| IE/Edge | Chrome | 4730666 |
| Firefox | Firefox | 3640560 |
| IE/Edge | Firefox | 2546115 |
| IE/Edge | IE/Edge | 2056538 |
| Safari | Safari | 2035653 |
| Safari | Chrome | 1035873 |
| Chrome | Opera | 781680 |
| Safari | Firefox | 607034 |
| Firefox | Chrome | 557070 |
| Other | Chrome | 411800 |
| IE/Edge | Opera | 408430 |
| Opera | Opera | 338112 |
| Other | Firefox | 206447 |
| Chrome | IE/Edge | 196449 |
| Opera | Chrome | 118830 |
| Firefox | Opera | 107559 |
| Safari | Opera | 106987 |
| Other | Opera | 101477 |
| Opera | Firefox | 98487 |
| Other | Safari | 50659 |
| Firefox | IE/Edge | 42982 |
| Other | IE/Edge | 37113 |
| IE/Edge | Safari | 26818 |
| Safari | IE/Edge | 13646 |
| Opera | IE/Edge | 13473 |
| Chrome | Safari | 11895 |
| Firefox | Safari | 11013 |