NSFW

Well, the post isn’t, but if you have to wor­ry about such things, check out the Fire­fox exten­sion work­safer. The author has set up a ser­vice on his serv­er to allow users to vote on sites as being SFW or NSFW, with the option to spec­i­fy why you con­sid­er a site NSFW, from the fol­low­ing categories:
Porno­graph­ic images
Porno­graph­ic text
Porno­graph­ic video(s)
Artis­tic nude image(s)
Graph­i­cal­ly vio­lent image(s)
Graph­i­cal­ly vio­lent text
Graph­i­cal­ly vio­lent video(s)
Loud or objec­tion­able noise(s)
Loud or objec­tion­able music
Eas­i­ly vis­i­ble objec­tion­able text
Oth­er objec­tion­able image(s)
Oth­er objec­tion­able text
Oth­er objec­tion­able video(s)
Dis­tract­ing animation(s)

You can choose just how “work­safe” you need to be, as well. Cool!