1. One or more non-transitory computer-readable storage media comprising a plurality of instructions to cause a computer to: obtain a first identifier of a first natural language; create and store in a memory of said computer, a webpage comprising at least a title of a piece of content; use the first identifier of the first natural language to select a first set of tags associated with said piece of content, from among a plurality of tags comprising strings of text expressed in a plurality of natural languages; wherein each tag in the first set comprises a string of text expressed in the first natural language and an identifier of said piece of content; if a number of tags in the first set is non-zero, store at least a first string of text comprised in one tag in the first set of tags in said webpage in said memory; and if the number of tags in the first set is zero, use a second identifier to select a second set of tags comprising strings of texts expressed in a second natural language different from the first natural language, and store in the webpage in said memory, at least one of: (A) a hyperlink to the second set tags; or (B) at least a second string of text comprised in one tag in the second set of tags.