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Thanks Umar! I guess the issue was with the canonical tag on the page, which was wrongly linked to the cached page you mentioned about. I have corrected it now. Let me wait for a day to check if the page is getting indexed. Thanks again for taking time to look at the issue! Regards Ramesh

Thanks Erica, I have seen the Moz recommended list. As you suggested, maintaining the old URL and creating a recommendation link will be a better idea than 301 redirect.

No problem my friend. You are most welcome. Once the redirection is in place, please double check that its indeed a 301 and nothing else. You can use any of the HTTP header status checker available online like web-sniffer.net or Screamingfrog. Best, Devanur Rafi

In my personal opinion, I hate the sharethis or addthis buttons. They look and feel unreal, just like the personalized buttons do. I rather go with the native versions, you can't customize their look, but people are used to them (not to mention sharethis / addthis add their "via [service]" message).