The techniques detailed on the page (reweighting lines, removing fine details) seem like a worthwhile reason to at least use a different file for the "tiny" ima

The techniques detailed on the page (reweighting lines, removing fine details) seem like a worthwhile reason to at least use a different file for the "tiny" image. Unless SVG renderers start using those techniques at a small enough size. It looks like only Firefox or Opera would support an SVG favicon: https://en.wikipedia.org/wiki/Favicon#File_format_support https://en.wikipedia.org/wiki/Favicon#File_format_support