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PA = Page Authority and DA = Domain Authority. These are values SEOmoz use to "emulate" PageRank (emulate may not be the best choice of words).

you can get access to these metrics via the SEOmoz toolbar or opensiteexplorer

My best tip for shopping sites is to ensure your content is unique and well written giving as much genuineinformation on the product as possible. I always like to include bullet points to highlight features too.

Allowing customers to rate and comment on products is a great way to build up some awesome UGC on product pages.

Both of these options will help SEO and potentially help conversion too.

Including social sharing buttons for people to FB Like/Tweet Products cant hurt either.

Hi Simon,

Sound advice, after a few days of head scratching I worked with the developers to create a new routine that generates page titles as products are added to the site. There are way to many products to handle it manually so the programmatic approach is a must.

We have managed to vary the page titles enough with the data we have to generate 'near' unique page titles and meta descriptions.

I just wondered how others may do it.

Cheers for your input Simon.

Regards

Aran

EDIT: correcting my typos