The “Blur Up” Technique for Loading Background Images

Filter effects in CSS have been around for a while, and together with things like blend modes, they bring new possibilities for recreating and manipulating stuff in the browser that we previously had to do in Photoshop. Here, Emil explores a performance technique using one of the more forgotten filter effects – the filter function – as well as recreating it with SVG.

This technique has the potential to get used way too much, so I’m preparing myself for a year of blurriness.