1. A user-customized content providing device including a processor configured to execute a plurality of computer programming units, the plurality of computer programming units comprising: a content searching unit, searching a content set related to user's search query word; a user preference information requesting unit, asking an apparatus for user preference information including a user profile and tag information through a network, the user profile including a keyword collected in the apparatus and a point applied with a weight given per keyword; a user preference information collecting unit, receiving the user preference information from the apparatus; a content ranking determining unit, determining a ranking of the content set according to the relation to the user preference information; and a content providing unit, providing the ranked content set to the apparatus, wherein the keyword is detected by using tag information extracted from at least one tag of an anchor tag, a form tag and a combination thereof that are included in a web document outputted to the apparatus, and wherein the point per keyword is calculated based on data related to a number of selections of the keyword by the user, selection of the keyword comprising clicking the anchor tag including the keyword.
1. A user-customized content providing device including a processor configured to execute a plurality of computer programming units, the plurality of computer programming units comprising: a content searching unit, searching a content set related to user's search query word; a user preference information requesting unit, asking an apparatus for user preference information including a user profile and tag information through a network, the user profile including a keyword collected in the apparatus and a point applied with a weight given per keyword; a user preference information collecting unit, receiving the user preference information from the apparatus; a content ranking determining unit, determining a ranking of the content set according to the relation to the user preference information; and a content providing unit, providing the ranked content set to the apparatus, wherein the keyword is detected by using tag information extracted from at least one tag of an anchor tag, a form tag and a combination thereof that are included in a web document outputted to the apparatus, and wherein the point per keyword is calculated based on data related to a number of selections of the keyword by the user, selection of the keyword comprising clicking the anchor tag including the keyword. 7. The device of claim 1 , further comprising: a query word receiving unit, receiving the search query word from the apparatus.