Complex sentence: SEOmoz has a series of tools on its SEO Toolbox page, including an SEOmoz Term Extractor, which shows the importance of words or phrases and what HTML components keywords show up in.
Split into simpler sentences: SEOmoz has a series of tools on its SEO Toolbox page. It has an SEOmoz Term Extractor, which shows the importance of words or phrases and what HTML components keywords show up in.