Is hiding user variables important for SEO?

[mocloy]

We append user variables to all urls for users entering our site from a Google ad for tracking purposes.

I'm wondering if this negatively impacts our organic search results?

So, zerorate.net/alloffers becomes zerorate.net/alloffers?uv=credit if a Google ad is served and clicked on if a user searches on "credit".

The user variables "credit" carries to all urls for the session, so all urls are appended with the variable.

Is there anything SEO-unfriendly with this? Would hiding the user variable make a difference? If so, how best to do so?

Thanks!

[RhinoFish]

Nope, nothing seo-unfriendly about it. The people counting the links that point to your site, know which ones are paid ppc links, and they don't count them as "votes" for your site. Generally speaking, what you do with your own ppc will have almost zero impact on your seo (except modifying landing pages and content and nav elements... which are obviously at the heart of seo).