How malicious parties can spam your site

Malicious visitors to your site can create spam through mechanisms such as comment spam, forum spam, and freehost accounts. Learn about these tactics and how to prevent them early on. Check out our Webmaster Guidelines here: support.google.com Read more about rel=”nofollow”: support.google.com Learn more about creating great sites that perform well in Google search results at Webmaster Academy: support.google.com More videos: www.youtube.com Webmaster Central Blog: googlewebmastercentral.blogspot.com Google Webmasters: www.google.com