How Does Google Treat Stale Pages

[wchan07]

I have noticed the following about my NEW pages, pages that go up for the first time, a majority of them get top 10 for the phrase I am optimizing for. After about 2 weeks it starts to drop off gradually and settles around page 5 or 7 after 1 to 2 months.

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Anyone have any idea why this is happening

Would updating the content on this page periodically help me maintain my ranking?

I heard google likes fresh content, would adding 50 words as a blurb and changing that say every week help stabilize my ranking? in other words is google losing interest because my information becomes stale?

[edited by: ciml at 10:26 am (utc) on Dec. 18, 2004]
[edit reason] No specifics please. [/edit]

[webnewton]

This is very common phenominan. Google picking up the new pages(especially the one's which have a good amount of backward links and have been optimized well),highlight them in some place in the top 20 and then settle them at a place they deserve. Your intial work has been good but the real work starts now.Push it to the top.