favicon

A favicon is a small image that is generally used to reflect the identity of a web site. You can find it in the address bar, in your browser's tabs, in the list of bookmarks or in some feed readers like Bloglines. (src)

2 cikk az olvashato URL-ek kesziteserol

A PHP-s megoldas:
Till Quack: How to Succeed With URLs

A regex megoldas:
Bill Humphries: URLS! URLS! URLS!