Google continues to test various changes to the search interface. A recent experiment places URLs above the snippets, decreases text size for the snippets and moves the links to the cached pages and similar pages to the Instant Preview box.
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There's also an experiment that changes the color scheme:
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... and another experiment that shows the site's name next to the URL, but doesn't
remove the URL:
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{ Thanks, JD and
Riccardo. }