SEOmoz Indexes Web, Launches Linkscape, Introduces “mozRank”

In order to get a more complete and accurate look at the relationships between sites on the web, and thus enhance the tools available to webmasters looking to optimize their search engine ranking, SEOmoz has taken a bold step and indexed over 30 billion pages on the web.

In doing this, SEOmoz revealed some of the interesting things they learned about the web. First of all, 58% of all links on the web link to internal pages on the same domain, with 42% linking to other sites. 1.83% of links are nofollowed, and this accounts for a whopping 2 billion links. Also, the average page on the web receives 32 links. Interesting stuff.

SEOmoz is leveraging this index to form Linkscape, a tool that provides data on individual sites. They’ve also formed their own ranking system called “mozRank.” Like other popularity metrics, mozRank measures links as votes, but rewards natural, more authoritative linking over certain other linking practices.

They’ve developed other metrics as well, including mozTrust, which is more biased toward trusted sources of links, as well as domain mozRank and domain mozTrust, which do for domains what mozRank and mozTrust do for pages. There are a host of other features as well that reveal nofollow links, 301 redirects, noscript tags, etc.

With this, the price of an SEOmoz PRO membership is rising, in part to pay for the new project. The mozPlex has doubled its staff in the last year and needs to pay the bills, obviously.

A very remarkable achievement in the history of SEO. You have to hand it to Rand Fishkin and the whole crew for what they’ve done.

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