From WikiApiary, tracking Vector and over 3,200 other skins

Name: Vector (ID: 11823) Default skin image
Author(s): No authors provided.
Description: Vector is MediaWiki's current default skin. It was built by the UsabilityInitiative project to replace MonoBook.
Tags: critical, bundled
Related extensions: Extension:Vector, Extension:CollapsibleVector
Derived from: This skin is not derived from another skin.
Website count: 17230 (94.31%) (Skipped on 390 sites.)
Websites using as default 7417
Websites skipping it 390
Segments Day: 0 Hour: 15

Vector is default skin on websites:

Vector is an available skin on websites: