It is the content of your site that matter to Google most. And they prefer site that is update from time to time.
Google don't care about logo or design. About the content, Google likes unique and valuable. By valuable, it means that is large enought and helpfull. You can judge your content by reading it having the user point of view.
I guess you want to know what are the most friendly websites for Google. Or sites that have more chances to rank on top. Check for articles about "search engines friendly websites".