229 306 sites are using this notification
| From | To | |
| Chrome | Chrome | 43952647 |
| Chrome | Firefox | 6436737 |
| IE/Edge | Chrome | 4740506 |
| Firefox | Firefox | 3704046 |
| IE/Edge | Firefox | 2549251 |
| Safari | Safari | 2265949 |
| IE/Edge | IE/Edge | 2056538 |
| Safari | Chrome | 1083046 |
| Chrome | Opera | 803668 |
| Safari | Firefox | 620182 |
| Firefox | Chrome | 571065 |
| Other | Chrome | 411800 |
| IE/Edge | Opera | 410042 |
| Opera | Opera | 350963 |
| Other | Firefox | 206447 |
| Chrome | IE/Edge | 196449 |
| Opera | Chrome | 122955 |
| Firefox | Opera | 109276 |
| Safari | Opera | 109226 |
| Other | Opera | 101477 |
| Opera | Firefox | 99898 |
| 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 | 11903 |
| Firefox | Safari | 11013 |