favicon

Update for 2020: Sticking to the original question of 16×16 versus 32×32 icons: the current recommendation should be to provide a 32×32 icon, skipping 16×16 entirely. All current browsers and devices support 32×32 icons. The icon will routinely be upscaled to as much as 192×192 depending on the environment (assuming there are no larger sizes … Read more

To refresh your site’s favicon you can force browsers to download a new version using the link tag and a query string on your filename. This is especially helpful in production environments to make sure your users get the update. <link rel=”icon” href=”http://www.yoursite.com/favicon.ico?v=2″ />