To change your site's favicon, which is used to associate with your website when being parsed by external sites or programs, is to simply add a file called favicon.ico in your site's root directory.
Another way to describe the favicon is, it's the tiny icon you see in the browser tab and most sites have a special one made to match their logo. The size is normally 16 x 16.
For those not tech savvy, the site's root directory is usually pubic_html or www but it can also be httpdocs, http, etc. Your host is the best place to ask if you are not sure. One way to tell if you are in the root is that you will see the phpFox files PF.Base, PF.Site, PF.Src.
There are tons of favicon generators online, here is the current top pick from Google
Once you have added your favicon, you wil need to log into your AdminCP and clear your site's cache from
You will also need to fully clear your browser cache.