If you have the best sales on the weekends, when is the best day to post the content?

[anchorwave]

The Client has the best sales on the weekends and his writing a weekly blog post to help the overall site rank better and hopefully drive more sales.

When is the best time to post this content?

On Monday so that it hopefully gets indexed by the weekend?

or

On Friday so that we can leverage twitter and Facebook to increase sales.

[irvingw]

He should write the article on Monday and then post a tweet and link on Facebook on Friday. If his blog posts are permitted into Google News, he may want to wait until Friday, since freshness matters most in Google News. In any event, the client's content and link building efforts are the tools to get good rankings and it doesn't really matter what day the articles are posted.