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To increase your Domain Authority, you need to build/earn/attract quality backlinks from other websites. These resources will help you get started: http://www.seomoz.org/beginners-guide-to-seo/growing-popularity-and-links http://www.seomoz.org/blog/link-building-from-a-to-z

Hi Damion, This is a great response.. Thanks for this, and taking the time to answer. Thanks again

Hi Keri, We submitted a reconsideration request through Webmaster tools and got index within a week! I am non the wiser why the site wasn't being indexed. Thanks James

maybe 5-10 per week. In my view 5 high quality links are worth more than 1000 spammy links. Spammy links often won't even still be there in a years time.

that sounds good. thanks!

This has always been my way of looking at it.  But it's easy enough for Google to tone this down too.  A lot of mass keyword domain strategies do result in low quality or outright spammy sites.

If the page has external links pointing to it, I use a 301 so as to not lose the link juice.

There's a post in the last 24 hours about Xenu and Screaming Frog, it's worth a read to see if a) screaming frog my work for you and b) if the 64 bit version of Xenu mentioned in the comments can solve any problems. http://www.seomoz.org/blog/crawler-faceoff-xenu-vs-screaming-frog

That makes sense.  For now, I have just added the canonical tag to the urls.  Thanks so much for your help. Brad

Thank you for your help, will have a look at these links.

Thank you Keri for the helpful resource. I actually ended up doing all of those things for our client. Also, I found out that the default Drupal 6 robot.txt file, does not allow the search engines to index pdf's, images, and flash. Therefore, one must eliminate the disallow: /sites/ from the Robot.txt file.

Well, we are about to upload the redesigned website and since uploading will take some time, we want 503 status to be served