In the '''DCS custom extensions''' (only), here are the file counts by file-type:
14 .css Cascading Style Sheets (design / UI ) 6 .gif Graphic 1 .ico Icon 1 .jpg Graphic 9 .js JavaScript (functionality in the browser - client-side v. server-side) 43 .json JavaScript Object Notation (configuration / programming) 69 .php PHP - programming language for MediaWiki 8 .pl Perl - programming language
4 .png Graphic
1 .svg Graphic