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I recently was asked by a potential client to work with them on Joomla based website. I very rarely come across people with Joomla based websites and am struggling to find good resources outside of Joomla's own community site. At this point, I am not very comfortable working with them on Joomla. Any tips or advice?

I was under the impression that Bing powers yahoo search. However, I am recieving a large difference in ranking on some keywords in the two engines. Can anyone ask what or why this is happening? Thanks, Brandon