Google’s cache of your website is a copy of your pages stored in Google’s servers.
The Google cache is useful in a number of cases:
- For sites that are temporarily unavailable or accidentally deleted. A user who encounters a 404 has the ability to see the cached version of the site. A webmaster who crushes a web page of his site by mistake may find it in Google cache version if it did not copy his hard disk.
- For news websites those are overloaded after an important event.
- For news websites whose content may change several times a day. It was the council that gave Google in 2007 (it may be interesting for our web culture) the power. Google could put effort more than once day to re-index a web page, is still not the case today for unpopular sites. So users could access the copy of the cached page that was different from the site. The current trend of real-time indexing leads Google to be more concerned about the responsiveness of updates.
- To highlight the search terms a user typed into Google. This allows to quickly see the relevance of the web page from its application. These are the query terms that have led to its inclusion in search results. The different occurrences of the search terms are highlighted in different colors.
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