Norton Safe Web is a extension which checks websites for reputation and safety.
How to use ? :
Navigate to url you want to check and then simply click sidebar icon of Norton Safe Web extension.
A few seconds later you'll get nicely looking and detailed report about your website.
Home page & more infos:
https://safeweb.norton.com
Credits :
I would like to thank you @A.S. who helps me a lot with this and others extensions and @Imanerd - creator of this http://extension.maxthon.com/detail/index.php?view_id=1957 extension which has proved very helpful to create my own addon (based on/ inspired by SaveFrom.Net Download Button javascript)