Help:Displaying web site screenshot thumbnails with MediaWiki
|Semantic extension(s):||Semantic Result Formats|
For displaying website screenshot thumbnails with MediaWiki, you have to write the full external link image (ending with ".jpeg") provided by www.robothumb.com.
You have to set true in your LocalSettings $wgAllowExternalImages
The syntax is simple :
where [url] is the URL of the page to be displayed, example: https://www.mywebsite.com
available sizes for the parameter [size] are :
The full external link image could be stored into a semantic value and displayed readily.
You can see examples here