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Hi there, Lisa from the Moz help team here! I'm sorry to hear about the strangeness you're seeing with this. Unfortunately, you haven't given me much to go on to figure it out for you. Please can you email me at help@moz.com with the details of the URL you were looking at? It would also be helpful to know whether you were using On-Page Grader or if this was within a campaign.

Its recommended to noindex tags and category pages unless you add unique content to them (otherwise you are cannibalizing the individual post rankings). This is especially true if you only have 1 post in the tag/category and if you display the full text in the tag/category pages. If you want to index and rank the tag/category pages: Add unique text to the category/tag page that describes the types of posts that are listed there + include target keywords Make sure it has a unique title and meta description Don't show the entire posts within the category/tag pages.. instead show excerpts and link to read more.

I just wanted to follow up that Custom Reports are now available in Moz Analytics! http://moz.com/blog/moz-analytics-custom-reports