The website Contains no bad content that i have experienced. the content is very professional and finite. This website is definitely suitable for children because the blog section is heavily monitored and it is full of educational material and news.
An example would be the articles about the Heart-bleed attack and how Symantec provide security policies and tools to protect servers.
Used Norton/Symantec for years. Sometimes excellent, sometimes bloatware - the worst was the "protected" Recycle Bin - uninstall Norton/Symantec and your Recycle Bin went away - forcing major recovery - not good. Never quite trusted them since then, but the AV is a good product.