Four main considerations for optimizing images for the web
1. Colour – images need to be in a standard monitor colour -sRGB
2. Resolution – images must be 72 ppi (pixels per inch) and it is important to consider the pixel dimensions of any image.
3. Actual File Size – optimizing images for the best possible transfer speed over the internet.
4. Format – GIF, PNG and JPG formats
GIF – are used for images that have a reduced colour or animating.
PNG –
JPG –
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