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I'm just going to throw this out there, but Google indexes Stack Overflow really quickly…
SEO in stackoverflow

I have noticed one thing many times, as soon as we post contents on stack overflow and search something relevant to our question, Google search results contains those posts.

How does this real time indexing takes place in Stack Overflow?

Technically how can we achieve this?

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migrated from stackoverflow.com Jul 19 '11 at 11:15

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marked as duplicate by Yi Jiang, Cody Gray, ChrisF, Time Traveling Bobby, random Jul 19 '11 at 12:53

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Sites with high authority have a much higher crawl rate, therefore new posts on the site are pushed into the index much quicker –  Stoosh Jul 19 '11 at 10:31
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Yup, I came to know that Google is crawling Stack 10 times per second. Amazing ------------businessinsider.com/google-stackoverflow-2011-3 –  Jatin Dhoot Jul 19 '11 at 10:34

2 Answers 2

You can achieve this by creating a great site that gets tons of traffic and has lots of fresh, interesting, original content. :)

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+1 for the fantastic tip –  Jatin Dhoot Jul 19 '11 at 10:34
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I should have thought of that earlier, when I was planning on creating crappy sites ;-) –  Lukas Eder Jul 19 '11 at 10:37
    
Lots of fresh content is the really important thing here, although the others certainly help. –  Cody Gray Jul 19 '11 at 11:20
    
@Lukas you would not BELIEVE the number of people who tell me they need "help with SEO" when what they really need is someone to redo their crappy site from the ground up. –  Scott Wilson Jul 21 '11 at 17:35
    
@Scott: I DO believe you! –  Lukas Eder Jul 22 '11 at 7:30

A sitemap that is well tuned and read often by google may have something to do with this... A Sitemap can contrain a list of new/changes pages to help google on it's way.

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