I just found this on blogoscoped. It’s interesting to see the tweaks they make to optimize their site in different countries all in this overlay.

Click to enlarge.

Google’s homepage and search results layout shift and move, sometimes on purpose (because different countries or types of results deserve different treatment – e.g. Google Korea), and sometimes for arbitrary reasons (e.g. the Google Images results logo is a pixel or two below the Google web results logo). By overlaying 10 different Google country versions, and 10 different types of search results, you can spot unifying as well as separating layout elements.

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