Screenshot of the notification icons on a Wikimedia site, as displayed on the top of a wiki page to logged-in users between the links to their user page and user talk page.
Alerts are indicated in red, notifications in blue.
<a href="//commons.wikimedia.org/wiki/User:Daniel_Mietchen" title="User:Daniel Mietchen">Daniel Mietchen</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>