How long will it take for Page Rank (or Page Authority) to flow via a 301 redirect?

[annomd]

I've recently redeveloped a static site using WordPress and have created 301 redirects for the original urls to the new urls.  I know I won't get all the value passed via the 301, but I'm hoping some will.  Any idea how long this may take? It's been nearly a month since the changeover so wondering if it would be weeks, months or more?

[Matt-Williamson]

From experience of implementing this on several sites, the times can vary quite a lot depending how long it takes Google to re-crawl and index your site, so unfortunately there is no hard and fast rule to how long it should take before you see the benefit from it...

I have definitely seen it take longer than a month to fully change over.

Ann take a look here at Matt Cutts (Google) video discussing 301 redirects - he mentions that it can take anywhere from weeks to a few months for a 301 redirect to be fully recognised by Google, providing it has been setup correctly.

http://youtu.be/QyQs3tz7ZKo

[annomd]

Thanks Matt!  I had a feeling as that is usually the case with all things SEO! Thanks also for the link to the Matt Cuts video, very helpful.