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How often does google update its index

     
3:53 pm on Dec 29, 2011 (gmt 0)

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Is it still once a month ?

I know for some news sites and blog it is done in minutes but I also know that google can detect between a blog / news and a regular website that doesn't change very often.

Could someone shed some light on how ofter google updates its index...

Thank you,
5:07 pm on Dec 29, 2011 (gmt 0)

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WebmasterWorld Senior Member tedster is a WebmasterWorld Top Contributor of All Time 10+ Year Member

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It hasn't been once a month for several years - the move to "Big Daddy" and dynamic ranking updates (in 2006) changed all that. And then the move to the "Caffeine" infrastructure (2009-10) gave them the ability to dynamically update much smaller parts of the index insteaad o doing big chunks at one time.

Clearly today Google classifies sites and pages and various ways, crawling and indexing some much more frequently than others. As you said, sometimes new content is indexed in just a few minutes after publishing.
5:33 pm on Dec 29, 2011 (gmt 0)

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Do you have any idea how often if it is not once a month anymore ?
I understand they do bit by bit but how often ?
9:03 pm on Dec 29, 2011 (gmt 0)

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Google's index changes everyday. That does not mean Google is changing how your website is indexed is everyday. Some web pages are deemed very important and so Google will update them everyday. Other pages are deemed to not be important and so Google may only update them once a month.

For example think about the homepage of the New York Times. That changes throughout the day and Google users often visit it. Google will want to update that page much more in their index than the home page for a local cooking club that hasn't been updated in over 5 years. Google will likely never index the privacy policy page for that local cooking club since it would probably be deemed too low in value.

If you want your pages to be crawled by Google more often you need to generate signals that Google will notice and realize that your page is important. Start with the minimum requirement of having significant amount of unique and valuable content on the page. Then develop high quality & quantity of backlinks.
12:47 am on Dec 30, 2011 (gmt 0)

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Google updates all the time. They are constantly keeping an eye on your site with over 200 ranking signals. Link quality and quantity, content, bounce rate, amount of time spent on site, click through rate, etc.
 

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