51: Graceful degradation versus progressive enhancement

Graceful degradation and progressive enhancement are two very important - related - concepts within web development. They are both related to unobtrusiveness, and the fact that your web sites should still offer all your users functionality that basically works, even if it doesn't look the same as it does on your browser. However there are differences between the two, and this article explains what they are, as well as looking at the basic concept of each.

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