This template is not blank — it adds a little icon in the top-right corner. See?
By default, the template also adds your username to Category:Members of the Fifteen Year Society of Wikipedia editors.
Place {{15 Year topicon}}
anywhere on your user page.
height
– Uses a different height for the images. Default is 20.nocat
– Specifying "yes" disables the automatically added category (default = no).sortkey
– If you use more than one top icon, you can specify this one's sort order within the group using a numerical argument to the sortkey parameter.width
– Uses a different width for the images. Default is 24.alticon
– Specifying "yes" uses instead of the default .|width=
and |height=
are restrictive, meaning when one parameter is not set explicitly, the default acts as a maximum, even if the other parameter is set higher. To increase the overall size, both must be specified.