The template above may be partially or fully invisible or glitched due to the respected strings aren't entered.
This is normal.

Documentation for Link

Usage

Internal link template.

{{link|Portal}} generates edit
{{link|Portal|click here to edit}} generates click here to edit
{{link|Main Page|type=purge}} generates purge
{{link|Main Page|Purge the front page|type=purge}} generates Purge the front page