Vector

Vector is a skin for MediaWiki created in 2009 as part of the work done by the Wikipedia Usability Initiative. Wikimedia rolled out Vector on all wikis in 2010. Together with its companion extension Vector provides a number of usability improvements over its predecessor, Monobook.

Features

 * Basic features of the Vector skin
 * Reduced clutter, primarily by reducing the number of lines on screen
 * More prominent placement of the search portal
 * Visual separation of the content-action and namespace links, the former of which being divided into view tabs and action menu items
 * Automatic increase/decrease of margins throughout the user interface based on browser size
 * Use of a star icon for watch and unwatch actions
 * Added features of the Vector extension
 * Simplified search portal, including suggestions
 * Collapsible navigation portals
 * Alert when leaving an edit page without saving
 * Automatic hiding of tabs that do not fit on screen
 * Experimental Vector extension features
 * Simplified footer content
 * Search box expands on focus
 * Section edit links are moved to be directly next to heading instead of on the right, and use an icon