Matt Cutts from Google Department of Web Spam answer the question “The Most Common SEO Mistake” in this short video that was posted on Google Webmaster YouTube Channel on June 4, 2014.
Quick Video Summary:
The Most Common SEO Mistake is NOT HAVING A WEBSITE. If you do not have website then your business cannot be indexed or found so in many instances you are invisible by the Search Engines like Google.
So make sure you have website.
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