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If deta How to read documents which could not be found  
* This page is made by "machine translation" program from Japanese to English.

It is a talk when putting in some keywords and looking for a document by search engines existing [ various ], such as goo, Yahoo, excite, and fresheye.

If a document name is clicked in order to open it if compelled although displayed that there are likely to be some hit documents and the text is truly likely to be shown in a screen of a document list, it is sometimes often said that it is not found.
For example
  • "A page is not found."
  • "not found" (error code 404)
  • "A server is not found."
  • "A server is downed."
  • "It is a DNS error."
Is it called Ȃ?

A cache (temporary storage) function required also as that of Google which is one of the search engines is helpful at such times.

Usage only clicks a "cache" of the following figure of simplicity and a document list.

It may remain also before ., for example, one month, by which the contents of the day when Google looked at the document are saved in access memory (cache) of a site of Google.
Since a document already lost in a true site remains in a cache and it is appearing also in a document list, if it is in a document list, it is in a cache by 90% or more of probability.

This can be used except when lost the whole page.
That is, a page of a site actual although a page of the same URL exists will be updated, and is already the case where it has stopped containing a keyword for which it asks.
There are news, a diary, a bulletin board, a chat, etc. as the example.

You also search for when and information which disappeared and are indebted to this function.

It omits, although there is also a high means to read from a cache file of a browser of a personal computer apart from this.

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