Hi Josh.

There isn't really much benefit to the site with low DA in terms of link value. However, if the guest poster is particularly knowledgeable on the topic they are writing about, you would expect them to link to sites with high DA. In other words, it could be taken as a sign that the poster knows the topic well if they are linking to other authority sites on the topic.

Hope that helps,

Adam.

Hi Clicksjim,

As long as you don't see a rel="no follow" attached to the link then it should be followed by search engines, therefore passing value.

As an extra minor detail, you might also want to check that the page hasn't been blocked by robots.txt

Hope that helps,

Adam.

In that case, I would probably just stay with the .org. Is being a part of the Apple affiliation program essential to your business? If so then I would consider trying to find a different domain.

You will probably struggle to rank in the main English language territories with a .io domain. I can't recall ever seeing one in the serps and hadn't even heard of it before this question was asked!

Don't be mistaken into thinking that 301 redirecting your old domain to the new one will instantly get the new domain to the same rank as the previous. It doesn't quite work like that. Of course, this will depend on many factors.

Hi Yoseph,

To find broken links I like to use the Check My Links plugin for Chrome.

As for the 404 errors. I believe there is a way to view which pages are linking to them using the SEOMoz tools but I prefer to just use the Screaming Frog spider. Once you have crawled the site with this tool, all you need to do is select the response codes tab at the top, filter by Client Error (4xx) then click on the links and select the In Links tab at the bottom to see the linking page.

Hope that helps,

Adam.

No problem. Happy to help.