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use the canonical tag

The links are the same as our home page or pages on our website, but with extra letters and numbers at the end of the url.

Those are most likely affiliate links getting indexed to prevent this use the canonical tag this will prevent the Affiliate links from being indexed and creating duplicate content where adding the affiliate ID in the URL is obligatory.

I know how to get engines to use it, And the formatting I was just wondering what sucess other people where having with price, instock and reviews seems to work well and recipes as well. Events don't seem to get picked up. Try to see what's the minimum traffic, rank, age, etc for them to show if any Hproduct, goodrelations what I noticed on huge traffic sites with 20k products it seems to update fast. Was just wondering for example on site x Instock works, reviews work what's - traffic, siteage, feeds, do you ping the format feed

With web3.0 results with microfrmatting showing in google, yahoo etc through reviews, instock, events, sales, pricing etc.

I know how to get engines to use it, And the formatting I was just wondering what sucess other people where having with price, instock and reviews seems to work well and recipes as well. Events don't seem to get picked up. Try to see what's the minimum traffic, rank, age, etc for them to show if any Hproduct, goodrelations what I noticed on huge traffic sites with 20k products it seems to update fast. Was just wondering for example on site x Instock works, reviews work what's - traffic, siteage, feeds, do you ping the format feed

use the canonical tag

The links are the same as our home page or pages on our website, but with extra letters and numbers at the end of the url.

Those are most likely affiliate links getting indexed to prevent this use the canonical tag this will prevent the Affiliate links from being indexed and creating duplicate content where adding the affiliate ID in the URL is obligatory.