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Hi Ian, I would have to agree that it does look like your backlink profile may have contributed to your recent drop in rankings. The recent Google update, as rightly stated by Jordan, has centered around over-optimization. This has meant that many sites which have focussed on creating links with mainly commercial anchors such as 'nutritional therapy' or 'nutritional therapist' have been hit hard by the latest algorithm update. Rob Kerry produced a really interesting Whiteboard Friday recently, where he talks about the over-optimization of anchor text. http://www.seomoz.org/blog/the-penguin-update-whiteboard-friday Having looked at your backlink profile I would suggest that you focus on building more brand specific anchor links (http://www.nutritionmission.co.uk or Nutrition Mission) as these look more natural than the large number of commercial anchors you currently have. Adam.

Hi Ian, Open Site Explorer only crawls a percentage of the web and your DMOZ listing might be in a page that is too deep to be crawled and indexed by Linkscape. Also the OSE data is only updated every few weeks with the the next update due at the end of the month. If you run a Google Search for site:dmoz.org  "Nutrition Mission" You can see the listing page has been indexed by Google and the last page cache is showing as  9 Apr 2012 10:18:13 GMT, so Google has visited the page recently and discovered your link.

Thank You