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1. Yes, the link juice will eventually be applied to the new page. This is part of the benefit behind 301 redirect.It sometimes just takes a little time for it to process and show up in reports. 2. The link juice or link equity will eventually pass through to new url once Google has established and indexed the new page. This could take weeks to months. 3. I would continue to optimized on a regular basis. Make sure that after each 301 redirect you also adjust all internal linking to the new page, especially in your sitemaps! Other wise it could get confusing for both visitors and bots. Hope this helps.

Ben, I appreciate your help and see that I was confusing 301 redirects with 404 errors. I was trying to ask that if I changed the title tag, would the link be directed to a 404 error. And, if that was the case, I do know how to setup the 301 redirects. That said, I want to clarify just a few things with my initial questions. When a say "title tag" I am referring to the title in the URL itself and not the Meta Title. For example...  in my "user-friendly" CMS... the title tag field of the below category page is "Hair-Dryers". http://www.beautystoponline.com/Hair-Dryers-s/234.htm Now if I was to change the title tag "Hair Dryers" with "Blow Dryers"... I already can confirm that the "s/234.htm" will stay the same. But, let's say I have the above URL as a back link on someones blog. If I make this change will the link still work? And, to take it a bit further... even if the link still works, will this have any impact on that specific category's ranking with Google? Thanks so much for your input!!!

Those links in 'Related Categories' are not required, not from an optimisation point of view nor a usability point of view - they carry no styling to make it obvious that they are links which can also flag elements when Google crawls your pages. The 'Browse for more products in this category' section at the bottom of the page is also not required. There is uneccessary excessive use of internal linking which is likely to be considered 'over optimisation' by Google as per the latest algorithm updates. Effective navigation is key in ecommerce websites, the main navigation and sidebar sub / layered navigation with necessary filters should be adequate in most cases. If you're only including additional linkage to try and rank pages higher for particular terms, then Google will detect this. If your category structure goes quite deep or is relatively complex, consider including a module to display related categories in the same way you would display related products. In its current form though, it's not required, doesn't do your website any favours and will likely do more harm than good in the long run. Consider checking our a click through overlay (Google Analytics provide one) where you can see just how many of your visitors are clicking through those links mentioned above. Hope that helps.