SEOmoz Page Strength
Here is a sample list of the information that it will pull about any web site.
Links pointing to full URL: (Yahoo)
Links pointing to domain: (Yahoo)
Position at Google for first four words of title tag on target URL: (Google)
Age of Domain: (Wayback Machine)
Links from domains with .edu TLDs: (Yahoo)
Links from domains with .gov TLDs: (Yahoo)
Alexa Rank (Alexa)
Domain name visibility (A count of results at Google for a search for your domain, showing URL visibility rather than incoming link count.) (Google)
Internal Link Percent (The percentage of pages on the domain that link to the target url. If the target URL is the same as the domain name, this is usually 100%.) (Yahoo API )
Number of search results for URL search at del.icio.us (del.icio.us)
Listings in DMOZ (ODP) (Yahoo)
Links found in Wikipedia (Yahoo)
Google Pagerank of full URL and Domain (Google) Full URL: # Domain: #
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