1. Facebook.Com the #1 Most Popular Online Communities Website
  2. Twitter.Com the #2 Most Popular Online Communities Website

  3. Pinterest.Com the #3 Most Popular Online Communities Website

  4. Instagram.Com the #4 Most Popular Online Communities Website

  5. Linkedin.Com the #5 Most Popular Online Communities Website

  6. Vk.Com the #6 Most Popular Online Communities Website

  7. Reddit.Com the #7 Most Popular Online Communities Website

  8. WordPress.Com the #8 Most Popular Online Communities Website

  9. Plus.Google.Com the #9 Most Popular Online Communities Website

  10. Tumblr.Com the #10 Most Popular Online Communities Website