Advantage and disadvantage of meta tags The World Wide Web consortium’s (W3C) official definition of HTML (hypertext mark‐up language) includes the meta‐tag (Craven, 2001a). Meta‐tags are non‐displaying, or hidden HTML tags that may provide site owners and authors with a degree of control over how a Web page is indexed (Henshaw, 1999; Henshaw and Valauskas, 2001). “Meta” is the Greek for “over” (Kirsanov, 1997), and the “meta” in “meta‐tags” arises from the term “metadata”, which means data about other data. For example, a meta‐tag may describe the content of a Web page. That description is data about other data, i.e. the Web page. Any Web page can have a variety of metadata associated with it (Sullivan, 1997). The description meta‐tag is used to describe the Web page. It will be displayed when a user enters a query and the search engine retrieves some of the relevant Web sites. If there is no descriptive paragraph at the start of the document, the des...