This is one of Firefox addon (plugin) that very useful for me. With this addon, we could be knowing about trustworthiness, reliability, privacy, and child safety of website.
WOT is a free Internet security addon for your Firefox browser. It will keep you safe from online scams, identity theft, spyware, spam, viruses and unreliable shopping sites. WOT warns you before you interact with a risky website. It's easy and it's free. You can download it here.
Surf safer and protect your computer...