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I would suggest doing it. I made a module for some of my clients a while back that essentially turned search results into category pages. It worked out very well for them, one thing I did was exact matches redirected to the real categories, because the way the module was written there would be a url collision. One thing I would keep in mind is that the search results should not differ too much from what the category shows. Another thing to keep in mind is that you should have a disallow rule on your search directory and a canonical on your category pages. That should also settle any duplicate content issues as well.

Hey Oscar, Yes, Moz will not crawl nofollowed links, so this should solve your problem. Cheers, Ryan Watson Business Development Associate | Moz

Short answer: no. Parked domains are so different that you can't really make anything to check it. Some have a header 302, some have 'want to buy this domain?', some have only ads. It has endless variations and there's no standard.

Just to clarify - the page on your site no longer exists (404s/500s/etc.)? If the target of the link doesn't exist, the link should be more or less dead. I generally wouldn't bother disavowing. It's a bit situational, though - I'm not sure if you're working to disavow thousands of links and this is a large-scale problem or if there's just this one like or handful you're worried about. If you've got a handful of spammy links that all point to dead pages, I wouldn't lose sleep over it.

I just finished going through this process with a client and i assure you 100% of your effort should be in disavowing and removing links BEFORE adding new backlinks to your site. When Google reviews you for reconsideration they do not look at how many new links you gained but instead if you removed the bad ones that got you there in the first place. I would suggest talking to Marie Haynes on the topic - she is a great asset! Cheers - Kyle

BloomReach's technology has been live on websites since August of 2009. The goal of our product is to create a limited number of new high quality pages that are well liked by users, have a compelling user experience and drive increased purchases on our customers sites. To do this, we use web-wide and site data to identify and predict demand that the website should get, but isn't. We then evaluate the relevance of a customers products/content for this demand as expressed by a theme/query. We only create a page if that relevance is very high and there is no existing competitive or duplicative page. We QA these pages and then monitor the quality of these pages over time. For example, we will identify if these pages become more duplicative (using our DDR technology recently covered by Search Engine Land) over time due to product inventory changes or if users are not liking these pages as measured by metrics like bounce rate. If a page does not do well on some of these quality and user happiness dimensions then we will add a noindex tag to those pages. The net result is that BloomReach pages tend to perform equally or better than a customers existing "category-like" pages. These existing pages tend to be automatically created based on a defined ontology database and faceted search technologies. Other than a limited number of high profile pages, which are manually reviewed, these pages do not have any technology that is constantly analyzing the quality or user experience metrics of these pages and making constant changes to improve their quality.  BloomReach pages do this and that is why over time we tend to see BloomReach pages perform better than the comparable pages on the site for metrics like bounce rate. We'd be happy to answer any follow up questions and share with you what we've seen on the 90+ sites on which we are currently deployed.  If interested, please email ashutosh@bloomreach.com.

To be honest I think the best thing to do is look at the back link profiles of big e-commerce websites for your direct niche. If you look at the link profile for Amazon for example it may be too diverse. Also giving an exact number of no follows or do follows for links and also the exact numbers is going to be hard every one is going to use different numbers, my advice look at your e-commerce niches, work out who is doign well and reverse engineer what they are going, you can get an estimate on all your above figures by looking at the top 10 websites for your niche.