Being able to read the URL of a site will help you evaluate before you spend time working with it. The domain designation has information, as well as the grammar of the URL.
Indications you are on a personal page that should be scrutinized for bias, accuracy and authority.
Does the URL have a tilde: ~?
Does the URL have %?
Does the URL include a personal name?
Does the URL include words like: users, people or members?