260f542b__to_Good_Practice__RasterImg_2__Recommendations
[Format] .gif [Properties/Technologies] Graphics Interchange Format, a proprietary format developed by Compuserve [Description] Widely used on the Web for both still and animated images, the GIF format offers lossless compression but with a limited palette (8 bit / 256 colours) and limited options for embedding metadata. [Recommendations] 
Although it has now been superseded by more up-to-date formats (e.g. PNG), the GIF format is still widely in use. It is recommended that either the PNG format is used if compression is required or TIFF for long-term storage.
Guides to Good Practice: RasterImg_2
Recommendations