209 264 sites are using this notification
| From | To | |
| Chrome | Chrome | 35051428 |
| Chrome | Firefox | 5457430 |
| IE/Edge | Chrome | 4599196 |
| Firefox | Firefox | 3286381 |
| IE/Edge | Firefox | 2490611 |
| IE/Edge | IE/Edge | 2056538 |
| Safari | Safari | 1239783 |
| Safari | Chrome | 902447 |
| Chrome | Opera | 708060 |
| Safari | Firefox | 564903 |
| Firefox | Chrome | 492397 |
| Other | Chrome | 411800 |
| IE/Edge | Opera | 386754 |
| Opera | Opera | 279159 |
| Other | Firefox | 206447 |
| Chrome | IE/Edge | 196449 |
| Other | Opera | 101477 |
| Opera | Chrome | 101418 |
| Safari | Opera | 99739 |
| Firefox | Opera | 98341 |
| Opera | Firefox | 91364 |
| Other | Safari | 50659 |
| Firefox | IE/Edge | 42982 |
| Other | IE/Edge | 37113 |
| IE/Edge | Safari | 26803 |
| Safari | IE/Edge | 13646 |
| Opera | IE/Edge | 13473 |
| Chrome | Safari | 11866 |
| Firefox | Safari | 11011 |