| 摘要 |
PROBLEM TO BE SOLVED: To reduce the stand-by time of a user and to economize communication costs by executing a hierarchical page lookahead function based on a logical link structure on a web page. SOLUTION: On a browser 12 having a world wide web browser function through a network 10, a lookahead function part 11 for looking ahead a page on a world wide web according to a hierarchical page structure derived from a linking structure with the first page as an origin on the home page designated by the user until reaching the capacity limit of a cache memory 14 for the idle time of a communication function and a cache function part 13 for storing the said respective pages looked-ahead by the lookahead function 11 in the cache memory 14 are provided.
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