Raster image - MDN Web Docs Glossary: Definitions of Web-related terms 编辑

A raster image is an image file defined as a grid of pixels. They’re also referred to as bitmaps. Common raster image formats on the Web are JPEG, PNG, GIF, and ICO.

Raster image files usually contain one set of dimensions, but the ICO and CUR formats, used for favicons and CSS cursor images, can contain multiple sizes.

See also

• Vector images