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Google Update FAQ

     
11:48 am on Jun 20, 2002 (gmt 0)

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Google Update FAQ

1.How often does Google update its index?
2. What are www2 and www3?
3. My site appears on www2 and www3, but not on www.google.com
4. Ranking goes up - down - now up again!
5. Does Google update its Image search at the same time?
6. PageRank (PR) fell, so did backlinks?
7. I see an update on www2, how long will it take before I see the new pagerank?
8. I got in to dmoz, how long will it take before I appear in the google directory?
9. I don't appear in the new index, what did I do wrong?
10. I have lost positions on www2 and www3, what should I do?
11. When does google.co.uk update go trough?
12. When does Yahoo start to show the new index?

If you are completly new to google I suggest reading:
[webmasterworld.com...]
(Google Knowledge base)

If you are completly new to this board I suggest reading:
[webmasterworld.com...]

Google charter [webmasterworld.com]

1. How often does Google update its index?
There isn't a special date, for history of the updates please view [webmasterworld.com...]

2. What are www2 and www3?
Google has several data centers around the world composed of at least 10,000 individual computers. When Google updates its index (copies the index throughout the system), there is a "staging area" for the new index on www2.google.com and www3.google.com. You can watch the new index migrate from www2 or www3 to the standard www.google.com, during the 'Google Dance' www, www3 or www3 may be the old or new index periodically. This process of migration, usually takes 3-7 days and will appear to fluctuate between the three wwwX.google.coms.

3. My site appears on www2 and www3, but not on www.google.com
This is a part of the update if there has been an update, and your site appears on www2 or www3, your site is more than likely to be included when google is finished with the update. It normally takes about 3-7 days for google to move the index from www2 and www3, so it's stable at www.google.com

4. Ranking goes up - down - now up again!
This is normal, google always tweek there algo, and often more than usual when they have a new index. Also it may change quickly depending on the site, if it gets updated daily and if other listings are update daily.

5. Does Google update its Image search at the same time?
No they don't they update the image database with a different cycle.

6. PR fell, so did backlinks?
Yes this may happen when google updates it index, they can change the algo so you will see a different value when you check your pagerank with the toolbar. They also re-calculate the number of inbound links to your site, and they often don't include all the inbound links when using the LINK: commando.

7. I see an update on www2, how long will it take before I see the new pagerank?
Google picks there pagerank values from www.google.com (the PR toolbar value) and you will see it when you see the new index on www.google.com, but make sure it's somewhat stable, because people in Europe and America might see a different index sometimes. Also a small tip for the europeans: If you want to see if Google is showing the americans a different index, you can try using the "Translate this page" under "Page Info" button on the Toolbar, and you might see a difference in the number of results returned.

8. I got in to dmoz, how long will it take before I appear in the google directory?
Google updates it's directory at the same time that they update there web index. If you see a dmoz description beneath your url on www2 or www3 your will probably be in the new updated directory, it may take a few days longer to see the updated directory stable than it will with the web index.

9. I don't appear in the new index, what did I do wrong?
Remember it's their database and they will do whatever they want to do.
Sorry but only Google can answer that question, they don't remove you from the index without a reason, your site may have been down during spidering, or you did something that they didn't like. Always review your site very carefully, is there anything that the normal user don't see but the expert see (html code). Think what you have done to optimize your site, and see if you feel it's legitimate. Also contact your webhost provider and see if they had some downtime on there servers.

10. I have lost positions on www2 and www3, what should I do?
It's normal to lose or gain positions when the update comes. Brett's Successful Site in 12 Months with Google Alone [webmasterworld.com] thread is a good place to learn about

11. When does google.co.uk update go trough?
It's just a case of waiting for the dance to finish, at the same time as the new index is stable on www.google.com it will be stable at www.google.co.uk

12. When does Yahoo start to show the new index?
Yahoo often shows the new index around the same time that it's becomming somewhat stable on www.google.com

Credits to CIML and the rest of the moderators

[edited by: ciml at 3:13 pm (utc) on Mar. 31, 2003]
[edit reason] Link updated. [/edit]

2:58 am on June 21, 2002 (gmt 0)

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Nice job. Thanks Laz
4:30 am on June 21, 2002 (gmt 0)

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lazerlubb, definitely a great job on summarizing. I'd like to recommend that this become a fixed thread so the multiple similar Google topics don't start flooding the board during the update.

Although, I guess it gives everyone something to rant about! ;)

9:35 am on Sept 23, 2002 (gmt 0)

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Also a good links is:

FAQ: Everflux - mid-month Google spidering and minor updates - Sept. 2002
[webmasterworld.com]
The minor activity in between major Google updates

11:35 am on Oct 31, 2002 (gmt 0)

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May help for some this update (bump/spam :) )
6:47 pm on Mar 1, 2003 (gmt 0)

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Try this one:

[webmasterworld.com...]

8:53 am on Mar 7, 2003 (gmt 0)

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Yes that's a good one for telling if the update has started :)
9:36 am on Apr 11, 2003 (gmt 0)

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as always this time of month, this post will help many new and older members get answers to some FAQs in relation to the update.

Shak

9:37 am on Apr 11, 2003 (gmt 0)

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Unfortunatly, it is now deprecated in a few ways. The update did not start on www2 this time.
9:42 am on Apr 11, 2003 (gmt 0)

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hmm abit of editing is in order!