Definition:
A CSS Sprite improves load speed by combining a number of small images on a webpage into a single file and thus reduces the overhead of having to fetch multiple files from the server.
Resources:
Conversion marketing – Glossary of Conversion Marketing.
Over 300 tools reviewed – Digital Marketing Toolbox.
Load speed – How to improve load speed to increase conversions.
Image optimisation – Image optimisation tools to improve load speed and conversion.