Are You Losing PR When You Use a 301?
Monday, May 3rd, 2010It’s funny, sometimes I crack open the old blog editor to write a post about a topic and end up writing about something completely different. That’s what happened today. While I was researching the use of using permanent redirects I stumbled upon a recent interview with Matt Cutts who happens to be Google’s mouthpiece to the SEO world. In that interview Matt Cutts says something pretty poignant which pretty much verified what had long been suspected, which was that 301 permanent redirects do not transfer all of their PR(Page Rank) to the new designated page or website.
“That’s a good question, and I am not 100 percent sure about the answer. I can certainly see how there could be some loss of PageRank. I am not 100 percent sure whether the crawling and indexing team has implemented that sort of natural Page Rank decay, so I will have to go and check on that specific case. (Note: in a follow on email, Matt confirmed that this is in fact the case. There is some loss of PR through a 301).”
Sometimes there is a need to move content from one area of your website to another or you might even need to change your whole domain when you receive a cease & desist order from an attorney. I myself have even used 301 redirects on my own sites when I went from shtml pages with ssi calls in them to php pages.
So now that we know that there is at least some loss of PR when using a 301 redirect should we just leave the old page where it is and create new pages in the right place? Well that’s a thought, but lets look at another point Matt Cutts makes about 301 redirects in that interview.
“Typically, duplicate content is not the largest factor on how many pages will be crawled, but it can be a factor. My overall advice is that it helps enormously if you can fix the site architecture upfront, because then you don’t have to worry as much about duplicate content issues and all the corresponding things that come along with it. You can often use 301 Redirects for duplicate URLs to merge those together into one single URL.”
See this is why mothers should not let their babies grow up to be SEO guys. If we absolutely need to move content we either end up losing some of our existing PR on a 301 redirect to the new content or we leave the old content in place and risk a duplicate content penalty which Matt Cutts confirms could be a factor in how many pages on our site gets crawled.
What I take away from that interview is that we should not have duplicate content on our pages and we should really 301 redirect pages with content that needs to be moved to their respective new pages at the cost of some of our PR. I guess that means that we should have bullet proof plans for our website layout prior to launching anything, but as anyone who has been in the traffic generation business can tell you adaptating to new strategies is paramount to maintaining success.











