Create a square image, preferably 512×512 pixels
Use a simple, recognizable design
Keep the background transparent or solid
Export the image as PNG, ICO, or SVG
Generate multiple favicon sizes if needed
Include a 16×16 and 32×32 version
Place the favicon file in the website root or appropriate assets folder
Add a link tag in the HTML head
Use the correct file path in the link tag
Test the favicon in different browsers
Clear browser cache if the favicon does not update