179 504 sites are using this notification
| From | To | |
| Chrome | Chrome | 24284169 |
| Chrome | Firefox | 4161342 |
| IE/Edge | Chrome | 4025371 |
| Firefox | Firefox | 2752802 |
| IE/Edge | Firefox | 2316992 |
| IE/Edge | IE/Edge | 2056538 |
| Safari | Chrome | 746727 |
| Chrome | Opera | 665435 |
| Safari | Safari | 575564 |
| Safari | Firefox | 507594 |
| Other | Chrome | 411800 |
| Firefox | Chrome | 411712 |
| IE/Edge | Opera | 371238 |
| Opera | Opera | 248074 |
| Other | Firefox | 206447 |
| Chrome | IE/Edge | 196449 |
| Other | Opera | 101477 |
| Safari | Opera | 95601 |
| Firefox | Opera | 90093 |
| Opera | Chrome | 84158 |
| Opera | Firefox | 81234 |
| Other | Safari | 50659 |
| Firefox | IE/Edge | 42982 |
| Other | IE/Edge | 37113 |
| IE/Edge | Safari | 26783 |
| Safari | IE/Edge | 13646 |
| Opera | IE/Edge | 13473 |
| Chrome | Safari | 11831 |
| Firefox | Safari | 11006 |