33. Apparatus as claimed in claim 32 , wherein the requirement for cache memory storage is set by insertion in the content document a tag defined by the script language in which the content document is authored.
33. Apparatus as claimed in claim 32 , wherein the requirement for cache memory storage is set by insertion in the content document a tag defined by the script language in which the content document is authored. 34. Apparatus as claimed in claim 33 , wherein the tag further defines a duration of validity of the copy of web page code stored in cache memory.