Place the file favicon.ico into the root of your site
Favicon in original size
Icon site favicon.ico is what distinguishes your site from other ... Icon site important element of modern web design, allows the site to be visible in the tabs in the "Favorites", strike the eye of the tabs in any modern browser, look stylish and modern, even in the address bar of your image and your name will be remembered visitors once and for all!
By default, the site icon icon browser. However, if a webmaster thinks about the originality and uniqueness of the resource, it always creates a special icon for it. It will in some way to stand out from the mass of this site like him.