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We were hit by penguin and have been going through the process of removing bad links. Things were looking up but then wasa 20% jump in our bad links. They all seem to be related. There are over 100 different domains that all seem to go back to mbiz. examples include http://www.5stone.com.cn/Literature-holders-.html http://www.building-stone.com/Display-furniture.html http://www.china-tombstone.com/Display-exhibition-products-.html It looks like they have automatically gathered data from google to create these pages. I would hope that the guys at Google are clever enough to be aware of these sorts of links. But if not I need to get them removed. I have tried whois but I cant find out how to contact these guys. Has anyone got any bright ideas? Thanks

Please excuse what seem like a naive question we are In process of updating our site from old fashioned html pages to magento store. Our html page ranks well and I don't want to upset the spiders when they find something different. We are keeping all the same content images etc. Is there any reason the magento page should not do as well as the existing html. URL is staying the same. We are think of replacing a few pages at a time rather than replacing everything on one go. Is that necessary?

Have recently noticed a big drop in rankings. up to 50% for some key pages. Trying to find out why. in webmastertools I have a total of 13000 links. I have noticed that 4000 come from one site to my home page. Keyword is not related and I have never heard of the site. Not sure if I should just ignore these links or use disallow. If I disallow won't a sudden reduction in my links look strange to google? I have read in this forum that negative SEO is very rare but I have no idea where these links have come from or what they are for.