167 858 sites are using this notification
| From | To | |
| Chrome | Chrome | 18391563 |
| IE/Edge | Chrome | 3640531 |
| Chrome | Firefox | 3550276 |
| Firefox | Firefox | 2443423 |
| IE/Edge | Firefox | 2196295 |
| IE/Edge | IE/Edge | 2056538 |
| Safari | Chrome | 695690 |
| Chrome | Opera | 643996 |
| Safari | Safari | 497939 |
| Safari | Firefox | 486417 |
| Other | Chrome | 411800 |
| Firefox | Chrome | 368839 |
| IE/Edge | Opera | 359601 |
| Opera | Opera | 232960 |
| Other | Firefox | 206447 |
| Chrome | IE/Edge | 196449 |
| Other | Opera | 101477 |
| Safari | Opera | 93603 |
| Firefox | Opera | 84006 |
| Opera | Firefox | 75890 |
| Opera | Chrome | 74637 |
| Other | Safari | 50659 |
| Firefox | IE/Edge | 42982 |
| Other | IE/Edge | 37113 |
| IE/Edge | Safari | 26764 |
| Safari | IE/Edge | 13646 |
| Opera | IE/Edge | 13473 |
| Chrome | Safari | 11805 |
| Firefox | Safari | 10996 |