226 901 sites are using this notification
| From | To | |
| Chrome | Chrome | 43156333 |
| Chrome | Firefox | 6356760 |
| IE/Edge | Chrome | 4734038 |
| Firefox | Firefox | 3668335 |
| IE/Edge | Firefox | 2547243 |
| Safari | Safari | 2108516 |
| IE/Edge | IE/Edge | 2056538 |
| Safari | Chrome | 1049662 |
| Chrome | Opera | 787041 |
| Safari | Firefox | 612671 |
| Firefox | Chrome | 561922 |
| Other | Chrome | 411800 |
| IE/Edge | Opera | 409009 |
| Opera | Opera | 342239 |
| Other | Firefox | 206447 |
| Chrome | IE/Edge | 196449 |
| Opera | Chrome | 120051 |
| Firefox | Opera | 108269 |
| Safari | Opera | 107646 |
| Other | Opera | 101477 |
| Opera | Firefox | 98908 |
| 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 | 11897 |
| Firefox | Safari | 11013 |