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is it possible / any idea to retain that URL in google index while i pass that URL to other related pages across my website temporarily (well not so temporarily)
However, if you can convince me that Google now behaves when presented with these, then maybe...
Google recommends that you use fewer than five redirects for each request.
i'm too not sure whether 302 is an acceptable Redirects to google
if my visitors land on the page that been temporarily inactive then i can give them a message that the vendor they looking for is not available at this time and he can check back later OR check another vendor with similar products, but how do i send my message to search engine robots?
[edited by: g1smd at 8:12 am (utc) on Jun 28, 2011]
you shouldn't use it  to tell the Googlebot that a page or site has moved because Googlebot will continue to crawl and index the original location
it means that the original page will still be crawled by bots (and the temp site will also be crawled?).
elaborate with example perhaps about this?
I'd keep them as 200s and change the content to reflect stock status.
It could be, in some situations, but Google has a very long and mostly bad history with dealing with 302 redirects especially around 2004-2008.
The status codes 303 and 307 have been added for servers that wish to make unambiguously clear which kind of reaction is expected of the client.
Have you thought about selling products where availability ISN'T a problem?
It seems a bit counterproductive to spend time marketing items that come in and out of stock.
I'd still probably prefer using a 200, adding a note to the original content and then include a LINK to that alternate page. It holds a lot less potential for search engine havoc.
[edited by: pageoneresults at 2:02 pm (utc) on Jun 29, 2011]
if my visitors land on the page that been temporarily inactive then i can give them a message that the vendor they looking for is not available at this time and he can check back later OR check another vendor with similar products...
but how do i send my message to search engine robots?
303 and 307? would love to discuss them if anyone have a case for it?
My worry is not so much about how the page appears when the product is in stock or is out of stock, but more about how to quickly transition to the other state in the search results when that happens.