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

Name: Bitmap (ID: 270632) Default skin image
Author(s): No authors provided.
Description: Bitmap is supposed to be the less modern vector, with a few changes to Vector's eariler lookalike; Monobook
Tags: critical
Related extensions: This skin has no related extensions.
Derived from: Skin:Monobook, Skin:Vector
Website count: 0 (0%)
Websites using as default 0
Websites skipping it 0
Segments Day: 5 Hour: 8

Bitmap is not default on any website running MediaWiki 1.22 or greater.

Bitmap is not available on any website.