I have wondered for a long time why my hub titles appear in different shades of blue on the statistics page. At first I thought it just may be my imagination, but for months now I have observed the ever changing text color. It must mean something.
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It means that you've recently clicked on that hub and visited it. Visited links show in a different color - it isn't just on Hubpages but on many other websites.
To turn them all back to the "unvisited" blue, simply clear your cache. It's simply the internet's way of telling you that you've visited that link recently.
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