Ahrefs API now offers adding its parameters to your SeoQuake toolbar. Number of links, referring domains and IPs are now at hand with just a couple of clicks - http://ahrefs.com/api/toolbar_integration.php .
Ahrefs Reviewed by Ahrefs on . Advanced toolset for backlinks research by Ahrefs.com The new tool for backlinks analysis is available at http://ahrefs.com since march 2011. It provides lots of useful backlinks statistics for your and your competitors' (or everyone else's) sites. Distinguishing feature of this tool is an independent database refreshed in realtime (circa 6 billion external and 25 billion internal links added each day). Ahrefs.com uses custom crawler to fill this database and is not affiliated with other search engines or similar services. You're welcome Rating: 5