Written by David Kim — Frontend Developer. More about me →I once found a site with a 1.2MB favicon. Someone had uploaded a full-resolution photo. Here are the right file sizes for each favicon format.
16x16 PNG: under 1KB. 32x32 PNG: under 2KB. 180x180 Apple Touch: under 10KB. 512x512 PWA: under 50KB. SVG: under 5KB. ICO (multi-size): under 15KB. genfavicon.org automatically optimizes all sizes—drag any image and get properly compressed output.
Written by David Kim — Frontend Developer. More about me →