1. A method for associating a tag with an object in a web page, the method comprising: receiving a first phrase to be associated with the object, the phrase comprising a first set of at least two words; identifying a first word and a second word in the first phrase, the first and second words belonging to a first dictionary; identifying a second set comprising at least one character from the first phrase, wherein none of the identified characters belong to the identified first or said second words; modifying the second set by discarding a character from the second set if it corresponds to a first predefined character; generating a second phrase, comprising the first and second words, and a third word comprising each character of the modified second set, the first, second and third words being separated by a second predefined character; and associating the second phrase with the object so as to define the second phrase as a tag for the object.