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How Stack Overflow questions and answers are available in Google search within a minute after posting? Which technology is being used for this both from Stack Overflow and Google side?

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What type of research have you done? Have you read the FAQ? –  Jon Mar 13 '13 at 5:06
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@Jon How would the FAQ help here? –  Danny Beckett Mar 13 '13 at 5:44
    
@DannyBeckett Huh. I had posted that when it was in StackOverflow, not Meta. –  Jon Mar 13 '13 at 5:48
    
@Jon My apologies, it all makes sense now ;) –  Danny Beckett Mar 13 '13 at 6:51
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migrated from stackoverflow.com Mar 13 '13 at 5:10

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marked as duplicate by Josh Caswell, gnat, hims056, Toon Krijthe, Charles Mar 13 '13 at 6:52

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3 Answers

up vote 6 down vote accepted

I know 2 points which affects:

  1. Site with high Page Rank(PR), currently Stackoverflow is having 7/10 pagerank. enter image description here
  2. Site which is being updated very frequently is crawled more quickly, indirectly it means that particular site is having latest/updated data, and in this case Stackoverflow is getting infinite number of questions/answers at every second.
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If you check in this site http://www.prchecker.info/check_page_rank.php the Page Rank for SO is very high (7). So i guess Google will have algorithm tweaked to index these types of (Famous) sites fast and show that in results quickly.

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Besides normal SEO techniques there's nothing more you can do to affect your result at Google's search engine. It's just that StackOverflow is well constructed and (more than any other thing) well indexed in search engines.

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