GUEST POST by Andy Crestodina
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Open Site Explorer is a simple tool built by SEOmoz for checking how many and which sites are linking to any other site. You might call it a “link popularity checker,” “backlink profiler” or, as SEOmoz calls it, “The Search Engine for Links.”
Whatever you call it, it is very, very powerful. The site has indexed 9.2 trillion links. If you’re at all interested in SEO, that number just made your mouth water. You can enter any website and Open Site Explorer will tell you lots of good stuff:
- Total links
- Number of linking root domains (how many websites are linking)
- Domain Authority (combines all the data to predict how likely the site is to rank)
- Page Authority (combines the data to predict how likely the page is to rank)
The tool is free for anyone to use, but they limit you to three reports per day.…
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