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Google's Spidering Time?
#1
Posted 19 August 2003 - 09:09 PM
#2
Posted 19 August 2003 - 10:01 PM
Google has a bunch of different data centers (9, I think) all of which have their own indeces. Because of that, changes often show up and then go away. It takes time for all the data centers to share all their information with each other. I wouldn't say three months is normal before you see things become stable, but it may take that long... a week is definitely not long enough.
Could you clarify something for me? I can't believe Jill actually told you to concentrate on your PageRank. She's of the school that says that PageRank should be pretty much ignored. I imagine what she probably suggested is that you should work on building links from reputable sites. That would make sense to me.
#3
Posted 19 August 2003 - 10:12 PM
The more time-consuming step is when Google runs its magic algorithm to develop a new (hopefully higher) opinion of your page. Because any single page's rank is dependent on the rankings of other pages, it can take several cycles of running the algorithm (is this what they refer to as the Google Dance?) before Google's opinion/rank of your page stabilizes.
I have been told by a friend who was told by a friend ... who was told by a Google rep that you should give your changes 3 months to make an impact.
#4
Posted 19 August 2003 - 11:16 PM
Yeah, she didn't tell me directly, but I read it in another thread about building links from reputable sites. Sorry for the confusion.Could you clarify something for me? I can't believe Jill actually told you to concentrate on your PageRank. She's of the school that says that PageRank should be pretty much ignored. I imagine what she probably suggested is that you should work on building links from reputable sites. That would make sense to me.
#5
Posted 20 August 2003 - 08:09 AM
Google currently has 10 datacenters and each has its most current view of the indexed database. (In fact, I believe each has a 2 version as well, so perhaps there are potentially 20 datebases. However at any time a few are merely redirects to others in the group.) When you do a search on a keyword, based on current traffic conditions you will be directed to one of these. The SERP is then determined on the basis of the database in the datecenter you have been directed to. The search algorithm includes a current evaluation of PageRank for each indexed web page.
Each indexed web page in the database has associated with it the following:
1. A cached version of the web page
2. A listing of backlinks as determined by a search for link:www.mydomain.com
3. A PageRank evaluation to be shown on the Google Toolbar.
None of these are current values. Some can be very dated. They may not relate to what the Google search algorithm is using for backlinks or PageRank.
From time to time, there may be a total or partial synchronization process to arrange that all or some databases have the same contents.
In summary, what the Google search algorithm is using may have nothing to do with what you can check out via the Toolbar or with link:.
That's why I go along with the advice of not stressing out about short term changes. What goes around comes around.
Barry Welford
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