185 800 sites are using this notification
| From | To | |
| Chrome | Chrome | 26414169 |
| Chrome | Firefox | 4420940 |
| IE/Edge | Chrome | 4177822 |
| Firefox | Firefox | 2868004 |
| IE/Edge | Firefox | 2364201 |
| IE/Edge | IE/Edge | 2056538 |
| Safari | Chrome | 765171 |
| Chrome | Opera | 673222 |
| Safari | Safari | 598888 |
| Safari | Firefox | 515171 |
| Firefox | Chrome | 427431 |
| Other | Chrome | 411800 |
| IE/Edge | Opera | 374497 |
| Opera | Opera | 254826 |
| Other | Firefox | 206447 |
| Chrome | IE/Edge | 196449 |
| Other | Opera | 101477 |
| Safari | Opera | 96406 |
| Firefox | Opera | 91714 |
| Opera | Chrome | 87910 |
| Opera | Firefox | 83163 |
| Other | Safari | 50659 |
| Firefox | IE/Edge | 42982 |
| Other | IE/Edge | 37113 |
| IE/Edge | Safari | 26786 |
| Safari | IE/Edge | 13646 |
| Opera | IE/Edge | 13473 |
| Chrome | Safari | 11834 |
| Firefox | Safari | 11006 |