You can download a free copy of Norton Safe Web Lite Here for a limited time during the beta testing phase. Do not worry: just because it says “beta” doesn’t mean the product will be incredibly glitchy. On the contrary, it will still work very well and as intended. Text from their website about the software and how it works to protect you stay away from harmful websites online–

“Download and install the Free Norton Safe Web Lite* beta version to benefit from the site safety markup on Web search results to help you avoid dangerous Web sites. Our servers constantly crawl the Web and test millions of Web sites to determine if the sites are safe before you visit them.
Norton Safe Web Lite helps users stay clear of unsafe Web sites each day. Try it today!”