There's a decent little search engine optimization and marketing tool called Topicalizer that should be worth a few minutes of your time today. A minimalist interface hides a detailed tool (that should be read as "for the advanced SEO/SEM") for topic extraction, text analysis and abstract generation of any website. What that means is that you can view a lexical analysis (number of words, distinct words, density, most frequent words), phrasal analysis (two and three word phrases) and my favorite, the textual analysis, which shows not only the number of paragraphs and sentences for any site but the "readability" according to three different indexes (Gunning-Fog Index, Automated Readability Index, and the Coleman-Liau Index). Topicalizer is an excellent tool to assess your own site and analyze the competition too.
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