AVG Antivirus Free Version 2011 includes improvements such as being faster and less resource intensive for the CPU. The 2011 version scans social media links in real-time to prevent the spread of harmful scripts on networks like Facebook and MySpace. AVG Link Scanner also checks search results to identify safe or unsafe pages from search engines like Google, Yahoo, and Bing before clicking on them. The software also protects instant messengers by automatically checking downloaded and shared files.