Alan November warned teachers about some of the dangers of the Internet in a seminar. He told them about Zack, a 14-year-old American who worked on a history paper about how the Holocaust never happened, having done an Internet search and found evidence on the website of Northwestern University in Illinois. To the boy, the articles by a Dr Abutz on an academic site appeared authoritative. However, the tilde in the address (http:pubweb.acns. nwu.eduabutzindex.html) indicated this was a personal webpage.
You can also check credentials through the Alta Vista search engine: type "Link:" followed by the full webpage address to reveal any sites linked to it.