Sometimes it is difficult to determine the reliability of a website to confirm if it poses a risk to the security of your computer or for your privacy . There are extensions available for free to browsers that will allow you to see more clearly, the best-known are McAfee SiteAdvisor, Avast Online Security, Advanced SystemCare Surfing Protection...

According to the tests I did I find that the best is SiteAdvisor, so I'll take it as an example for this article.

When you do a search or visiting a Web site, extension displays an icon of assessment on your browser:

Green (reliable).

Yellow (little significant risk).

Red (high risk).

Gray (not rated site).

If you're wondering how these extensions are to determine the reliability of the sites and produce these assessments is the right answer

The distributors of these extensions are often of antivirus, they use an army of computers that automatically visit Web sites to determine if they distribute malware, they send spam or if they phishing...