• An old and obsolete web design technique of using small transparent images (usually GIF graphics of 1×1 pixels) to achieve a particular layout. Spacer images were typically used together with layout tables.

1. Related terms: Layout table · Graphics Interchange Format · Layout · Raster image
2. Previous term: Space-based architecture
3. Next term: Space–time tradeoff
4. Random term: Internet Corporation for Assigned Names and Numbers (webglossary.info/random 🎲)