My college professors might have told me that Wikipedia was not a reputable source and I was not allowed to use it in my essays, but let’s be honest, it’s helpful. It’s almost always at the top of a SERP and it’s about as clear and concise as a website out there can get, so […] Author information Amanda DiSilvestro Amanda DiSilvestro gives small business and entrepreneurs SEO advice ranging from keyword density to recovering from Panda and Penguin updates. She writes for HigherVisibility , a nationally recognized SEO consulting firm that offers online marketing services to a wide range of companies across the country