Written by David Kim — Frontend & WordPress Developer. I make websites look professional, starting with the favicon. More about me →
Outlook renders favicons differently from every other email client. Gmail uses its own caching. Apple Mail has its own rules. The only format that works across all of them is the classic ICO file. I always include a favicon.ico alongside my modern SVG and PNG favicons as the universal fallback.
Serve SVG for modern browsers, Apple touch icon for iOS, Android icons for PWA, and favicon.ico for everything else. Generate your ICO fallback →
Written by David Kim — Frontend & WordPress Developer. I make websites look professional, starting with the favicon. More about me →