Weighted list of words for visual imapct placed in any web page is known as "TAG CLOUD". A page which only contains clickable words, with different font size tells us about tag cloud. Most used tags or tags with high frequency are shown in larger font. So that visitors can understand at a glance which tag is more used or more popular. Tag cloud, reveals tags alphabetically, so it is easier to search for the required tag or keywords. Technocrati is one of the site which popularise tag cloud successfully in the world of internet but tag cloud first appeared on photo sharing site Flickr.