226 333 sites are using this notification
| From | To | |
| Chrome | Chrome | 42889770 |
| Chrome | Firefox | 6330259 |
| IE/Edge | Chrome | 4732082 |
| Firefox | Firefox | 3656173 |
| IE/Edge | Firefox | 2546627 |
| Safari | Safari | 2063208 |
| IE/Edge | IE/Edge | 2056538 |
| Safari | Chrome | 1041261 |
| Chrome | Opera | 783736 |
| Safari | Firefox | 609294 |
| Firefox | Chrome | 559594 |
| Other | Chrome | 411800 |
| IE/Edge | Opera | 408682 |
| Opera | Opera | 339334 |
| Other | Firefox | 206447 |
| Chrome | IE/Edge | 196449 |
| Opera | Chrome | 119305 |
| Firefox | Opera | 107985 |
| Safari | Opera | 107243 |
| Other | Opera | 101477 |
| Opera | Firefox | 98635 |
| 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 |