http://linkscanner.avg.com/ww.sals-how-it-works.html
AVG LinkScanner® quick facts:
There are millions of active AVG LinkScanner® users.
AVG LinkScanner® is already an essential and standard part of AVG's security software.
One in eight users has been saved from poisoned web pages with AVG LinkScanner®.
How AVG LinkScanner® is tough on threats:
Scans the pages behind all the links you click or type into your browser.
Scans the results of web searches in Google, Yahoo! and MSN so you know whether a page is safe before clicking on it.
Uses the intelligence gathered by a global community of online threat detectors.
Analyzes individual pages rather than entire sites because single pages may be threatened.
How AVG LinkScanner® is easy on you:
Compatible with current products from other major security brands, so you can continue to use your existing software with AVG LinkScanner®.
Runs silently in the background - you won't notice it until a threat is detected.
Minimal use of system resources - it won't slow down your computer.
Easy to install and run.
Protects you immediately without need of a system scan.
Automatically updates whenever a new threat is found.
Compatible with Windows 2000, Windows XP, Windows Vista (32 & 64 bit), and Windows 7
Works with Internet Explorer, Firefox, Chrome (Active Surf-Shield only), and Opera (Active Surf-Shield only) browsers.
