With Lookyloo you can dissect a website while it is in motion.
Lookyloo is a web interface that captures a webpage and then displays a tree of the domains, that call each other.
Per the definition on Urban Dictionary:
People who just come to look.
People who go out of their way to look at people or something often causing crowds and more disruption.
People who enjoy staring at or watching other people’s misfortune. Oftentimes car onlookers to car accidents.
Same as Looky Lou; often spelled as Looky-loo (hyphen) or lookylou. In L.A. usually the lookyloos cause more accidents by not paying full attention to what is ahead of them.