Question: how do i stop a site from being looked at on my computer?can i block it? 

Answer: If your using internet explorer,you can go to tools,at the top...go down to internet options,then to the tab that says "security" and you can restrict a site...or..you can also do the same but go to the tab that says "content" and then click "enable" on the content advisor and it will help you control the content viewed on your computer...hope that helps.
This question from the Yahoo Q&A forum is categorized in the topic: Society & Culture