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Is Multivariate Testing SEO Friendy?

This is probably the most common question asked when discussing Multivariate testing.

Well, today the Google Website Optimizer test group confirmed what I have been telling my clients for a while…phew!

The Google Website Optimizer, and other high quality testing tools, such as those from Vertster, leave the original content visable in the HTML source code of your page at all times. As a result the original source code is visible to the search engine crawlers. This means.. “there should be no major impact on search engine rankings.” (Google)
The only change that will possibly occur is when you actually implement the ‘optimised’ changes back into your original page. And this has the same effect as any change to your content would potentially have.

So to sum up, use a good tool for your test and you should be fine.