{{ if .Site.Params.progressively }}
    {{ $newImage := (print "<figure class=\"progressive\"><img class=\"progressive__img progressive--not-loaded\" data-progressive=\"" .Site.BaseURL "$1/$2\" src=\"" .Site.BaseURL "$1/low/$2\" alt=$3 $4></figure>") }}
    {{ .Content | replaceRE "<img src=\"/(.*)\\/(.*)\" alt=(.*) (.*)>" $newImage | safeHTML }}
{{ else }}
    {{ .Content }}
{{ end }}