How to add a favicon on Squarespace May 1, 2023 Mary Philip Use discount code MARYP10 for 10% off your Squarespace subscription. The dimensions of the favicon should be 16 pixels by 16 pixels. This is the standard size for favicons and is the only size that will work across all browsers and devices. See this content in the original post Need help with your site? Click here to book a 1-1 training session 👍 More tutorials: See this gallery in the original post