196 348 sites are using this notification
| From | To | |
| Chrome | Chrome | 29740280 |
| Chrome | Firefox | 4816917 |
| IE/Edge | Chrome | 4350674 |
| Firefox | Firefox | 3019442 |
| IE/Edge | Firefox | 2418292 |
| IE/Edge | IE/Edge | 2056538 |
| Safari | Chrome | 809617 |
| Safari | Safari | 704125 |
| Chrome | Opera | 685451 |
| Safari | Firefox | 531032 |
| Firefox | Chrome | 448935 |
| Other | Chrome | 411800 |
| IE/Edge | Opera | 379142 |
| Opera | Opera | 263389 |
| Other | Firefox | 206447 |
| Chrome | IE/Edge | 196449 |
| Other | Opera | 101477 |
| Safari | Opera | 97868 |
| Firefox | Opera | 93849 |
| Opera | Chrome | 92448 |
| Opera | Firefox | 87026 |
| Other | Safari | 50659 |
| Firefox | IE/Edge | 42982 |
| Other | IE/Edge | 37113 |
| IE/Edge | Safari | 26794 |
| Safari | IE/Edge | 13646 |
| Opera | IE/Edge | 13473 |
| Chrome | Safari | 11844 |
| Firefox | Safari | 11006 |