How does Google save all the billions of pages?

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~Phenom~

The No.1 Stupid
it is done by google bots.
and google dont save all the billions of webpages on their own servers.They just keep their indexes on their servers.And google have more than one lakh servers all across the globe.
 

Generic Superhero

Journeyman
there is some kind of selection. more updated sites ll be more frequently crawled by google bots. sites with high pagerank will be indexed more deeply. like that.
 
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