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I want to change my current hosting provider to a new hosting provider...I am bit worried if this will affect my google ranking and other things?

Could you please help find out if there is any issues with this? OR advise me how to do this safely.

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This won't have any effect on your ranking.. Google looks at the domain and not the ip when it ranks the site, so dont be concerned..

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  • how much time the site can be down to not have any impact on rank? – babu Mar 5 '10 at 14:00
  • The site doesnt have to be down.. If you move files/database to the new site, and then change the A records, you wont have downtime on the website. – Joachim Mar 5 '10 at 14:07
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You should have the providers overlap and test the new site to make sure it is working (You can just make an entry in your hosts file with the new IP to test the new site).

If you have only static content, keep them both live while you make the DNS and change and it will never be down. If you have dynamic content, when you make the DNS change, have the old site forward requests to the new at the same time you make the DNS change. You could do that with iptables if you are using Linux.

You might also try to lower your DNS TTL value for the site a little while prior to the cutover.

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