All Links are not Created Equal

When you build links to your site or a clients site, there are numerous ways to approach it, however it’s worth bearing in mind that all links are not created equal. I’m going to assume here that you know how blog comments and articles are almost worthless these days anyway. So the following points are in regard to how the authority of a link may be calculated. It’s also worth noting that domain authority probably plays as much of an important role in how much power a link has compared to Pagerank, possibly more.

Anchor Text

Having the exact term you want to rank for in the anchor of a link is crucial, so whenever possible always make sure the link uses the exact same term that you (should) have at the start of that pages title tag. However, don’t go mad! 10,000 links all pointing to an inner page with an obscure long tail query is going to look highly unnatural.

Pagerank

The first thing to bear in mind here is that the PR you can see from the Google Toolbar is dated, at the time of writing this post, about 7-8 months out of date, so don’t base a decision on the PR you can see, it’s updated “behind the scenes” constantly so what was a PR 5 page could now only be a 2, likewise a PR 0 could actually be a 5 by now. That being said, the actual PR of a page does have a bearing on the weight a link carries, so without getting hung up on it, it is still a consideration, although the only time you can give it much weight, is immediately after an update.

Domain Authority

This is where it gets a little grey, as there is not (that I have found anyway) a definitive definition of what domain authority is. I know, this doesn’t make life easy, but bear with me! It’s likely that the authority of a domain is based on other authority and trust of links pointing to it and possibly the age of the site. So for example, this means that a link from an aged .gov site, even if the link is on a PR 0 page, is probably well worth having, provided the page is related and they use your target keyword.

Where the Link is Placed on a Page

It was formally announced by Microsoft that they considered the position a link can be found on a page has a bearing on the weight it carries. The others have not, but testing would indicate that Google have a similar policy. It seems that a link within the main content of a page is most valuable, then the header, sidebar and footer.

OK It’s getting late, so I’m going to end it here for now, but will be adding another post which includes other factors to consider, and due to my nifty related posts plugin, it should appear right below this one as soon as it’s added.

7 thoughts on “All Links are not Created Equal

  1. If the pagerank has not been updated for ages how can people sell links based on pagerank, I realise it’s probably not that simple, but would like a quick reply if poss?

  2. This is the issue, people who buy links based on PR are looking at a very out of date measure, it’s like buying a car unseen, based on nothing more than it having passed an MOT 9 months ago.

  3. So why do they keep on doing it? Seo forums are full of people openly selling links on the basis of PR

  4. Because the buyers don’t know what they are doing. There are thousands of people out there offering SEO services and don’t really know much about it, it’s the likes of them who are buying them, thinking it will help the client, when in actual fact, it’s more likely that it wouldn’t help them at all, especially if they come from the huge blog networks which seem to be so popular at the moment.

    Because there are so many inexperienced SEO’s and DIY’ers out there, the market for selling them low quality links is booming!

  5. I always like to think of domain authority as, is this site an authority in it’s field? If so, it’s probably worth having a link from it. I determine if it’s an authority by who links back to it and how old it is. If its a software vendor and resellers, product review and related industry forums and sites all link back that’s a good indication of authority

  6. I have the SEOMOZ tool bar installed, that gives me the domain authority at the top of my browser, it shows the page and domain authority.

  7. I have seomoz bar too so I can see no followd links Ive see the domain and page measures on it but never know if they to be trusted, or how they calculated

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