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At the moment google sees your site as 4 seperate sites,

shopadornonline.com

www.shopadornonline.com

shopadorn.com

www.shopadorn.com

you need to 301 them to one

UYou ra pages will be found at your new domain as you said, but will search engines send your link juicve to the new page? only if you 301 them.

Pick one of the other and 301 redirect it to the other, at the moment you can get to your web site with either without a 301 redirect.
Your site has many 302 redirects

You also need to 301 redirect your www to non www or vice a versa

This is not uncommon, is this a very compeditive term?
The more compeditive a term, the larger the movement for a simple change, or lost link, or new link.

I fyou have 301 redirected, then you dontneed to use canonical

All pages i checked did not have any. they do now.
good luck

good idea

not sure why the links to the about page more then home page, but i would 301 redirect all my 404s to the home page, or better still redirect them to relevant pages.

I have often thought along these lines, having a encyclipiedia and dictionary in the results for many terms is more impoartant than relying on the algo. in fact I thiink rand did a article stateing things like "results need freshness", stateingg that the results will include a new result as well as a research result and other sort of results aswell of what the algo brings up.
A query for a type of car, may mean you want to buy, hire, fix, see race video, find images or learn about. results should try to get all these types of results even if they do not deserver high rank by algo alone.

Linkscape is only updated once a month, so be patient. search engines can take weeks or even monrths to find the link also.

First thing i noticed, there is no links from your blog to your home page. it looks to google that the blog is a sub site. make sure every page in your site links to the home page. in theory you should link to every page from your home page and back to the home page from every page and no cross linking to give your homepage maximum link juice, but of cause that would not be user frendly, but you should have that in mind when thinking about linking. 
Without getting too complicated make sure ever page in your blog has a link to the hoome page

Yes each link text will help you rank for thet lihnk text. but if your page is not optimized for that term it mayy be a waste of effort.
I often send links to my clients sites buy using the brand names of his coompeditors in link text. this brings him  up underneath them on search engines which is better then nothing, but he will never beat them as his page is not optimized for the term.

At xmass visits usally drop. so it is hard to tell when your problems actualy start. but it guess it is your new design that is causing problems.

Can we see url, be good to see old and new design

In short if you have a report that shows a F, yet it still ranks in top 50, then maybe you should look into it and see why. Some times google gives you good rank for for your keyword on the wrong page, dont fight it go with it.

link juice will onl.y flow from the first link, link text will only have relevance from the first link olso

It may be a temp problem. How did you redirect them, did you use a 301 redirect. if not youy need to.

If you did the link juice will flow though with losing only a small amount because of the redirect.

The published page rank is only updated every 6 months or so, and is pretty much useless as a metric, what is more impoartant is your rankings, have they changed?

I would not have it at the toop of my code, you can put it lower in the code but position it absolutly at the top.

Rand yoou mentioned soon we will be able to list the root domain and be able to track subdomains also in the same campaigne. I could not find the article again now, do you have a ETA?

You may be better off sending that link juice to your own pages rather then to the blogs, seeing that they may not link back to you with a do-follow link.

what would make someone link to your page, the fact that you have a link to them? or that you speak highly of them. why not just do article on the blogs with no links, if you speak highly of them they will more then likly link to you.
PS this would create 1 way links rather than 2 way

Its not aonly a good way to get links, its a good reson to ask people to link to you. find relevant sites and ask if they will link to you.

assuming you have the bandwidth i would say host your own and have full controll, both technicaly and for the reasons Dejan presented. i also think that using youtube looks a bit tacky.