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Ahhh, that's what I figured.  Many thanks for your prompt response.  This will keep me busy for quite some time.

Looking to get a bit of clarity on redirects:

We're getting ready to launch a new website with a simplified url structure (we're consolidating pages & content) & I already know that I'll have to employ 301 redirects from the old url structure to the new. What I'm not clear about is how specifc I should be. Here's an example of my file structure:

Old website: www.website.com
New website: www.website.com

Old website: www.website.com/vacations
New website: www.website.com/vacations

Old website: www.website.com/vacations/costa-rica
New website: www.website.com/vacations/central-america

Old website: www.website.com/vacations/costa-rica/guanacaste
New website: www.website.com/vacations/central-america

Old website: www.website.com/vacations/mexico
New website: www.website.com/vacations/central-america

Old website: www.website.com/vacations/mexico/cancun
New website: www.website.com/vacations/central-america

Old website: www.website.com/vacations/bolivia
New website: www.website.com/vacations/south-america

Old website: www.website.com/vacations/bolivia/la-paz
New website: www.website.com/vacations/south-america

Do I need to redirect each and every page or would just redirecting just the folder be enough to keep my SEO juice?

Many thanks in advance for any help!

Thanks so much Jeff.  I will try the options you suggested.

Hi Moz community,
I'm a fairly new SEO Specialist with a brand new website.  We initially had a very basic holding website until the fully functional website was completed.  I have to do some redirects as we have both .html and .php files & we don't want to lose SEO value for specific pages (like the index, news, etc).  I also want to redirect from a www url to a non-www url.

I am trying to accomplish redirects with the following code:

RewriteEngine on
RewriteCond %{HTTP_HOST} ^www.mywebsite.com [NC]
RewriteRule (.*) http://mywebsite.com/$1 [R=301,L]

RedirectMatch 301 /index.html (.*).(php|html) http://mywebsite.com/index.php

RedirectMatch 301 /cupcakes-slideshow/glutenfree-slideshow.html (.*).(php|html) http://mywebsite.com/gluten-and-glutenfree.php

RedirectMatch 301 /press.html (.*).(php|html) http://mywebsite.com/news-and-reviews.php

Please let me know if I am on the right track.  Thanks so much in advance!