Georgie Porgie, Puddin' and Pie, Didn't like links and made them cry,
When the links came out to play, Georgie Porgie ran away

Widely used and known about in professional SEO circles, Majestic SEO is perhaps not such a familiar tool amongst happy SEO amateurs.
But if you really want to get under the bonnet of your own backlinks then Majestic is the service you should sign up for.
Other free methods of analysing backlinks are through Google's Webmaster Tools console, which is as good as useless due to only selective links being shown; while Yahoo offers a more complete listing but only 1,000 links are viewable or available to download as CSV file.
Majestic-SEO claims to be the biggest backlinks and anchor text database in the world, with over 77 billion webpages and 539 billion individual links analysed, although SEOmoz claims 38 billion URLs across 240 million domains.
Majestic-SEO is owned by Majestic-12 Ltd and the data they hold is for their own search engine here.
From their "about us" page:
Anchor Index is a system designed for research of relevancy algorithms that are heavily based on backlinks and anchor text. This index is currently under heavy development, so consider this interface being a beta version that can change or go down at any time.
Information on websites you own is free to access. Majestic-12 Ltd make their money by charging for reports on competitors.
They aim to one day hopefully launch a search engine 'to mount an attack on the leading search engines in terms of quality and quantity of the index'. Although having used their search engine I would state that they have some way to go yet.
However, the data available to webmasters and SEO practitioners is fantastic.
Backlinks can be organised via the following ways: anchor text, countries, TLDS, IPs, Class C Sub Nets and referring domains.
It can even go as far as breaking down newly found links on a daily basis. That's not to say that a link created one day will be visible in their data the next as it depends on when that link is found by their crawler.
They also mark links that have the nofollow microformat and list whether the link is an image or uses alternative text in the image.
Links are measured with their own graded numbers system which they call ACRank. This is similar in intention to MozRank or PageRank in that it provides a quick measure of the worth of a page, although it is based on a more primitive calculation than either of those two with only the total number of incoming links involved in the calculations.
And, what's more, it is possible to download the details about your entire number of backlinks as an Excel-readable file.
The free service offered by Majestic-SEO is, er, rather majestic!
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Re: The best free tool for analysing backlinks – Majestic SEO
i love to read this post
Do-Follow Analyser Tool
This sounds like a great tool. The only problem is, I am about as technically inclined as my 95 year old grandmother. It all just sounds too complicated. Is there a really, really easy to use link tool out there? How about a tool, where you can enter the blog's URL and it tells you if it is do-follow or no-follow? I would buy something like that in a heart beat.
Tom Retterbush
AssEtEbooks.com