Matt Cutts, senior spam engineer at Google, this week posted a video about duplicate meta descriptions.
We see a lot of sites with duplicate meta descriptions and usually they are a sign of a much bigger problem of duplicate content or content getting crawled at addresses it shouldn’t be. If you have lots of duplicate meta descriptions, it will affect your ranking.
Jim Stewart is one of the country’s leading experts in search engine optimisation and his business Stew Art Media has worked with large clients including Mars, M2 and the City of Melbourne. He can be contacted here or on Twitter here.