Tue, 8th Jan '02, 6:35 pm::
Here is the longest word in the Oxford English dictionary on it's own site www.pneumonoultramicroscopicsilicovolcanoconioses.com.
And here is the longest url (website address) - 67 characters long:
www.thepersonwithanewideaisacrank-untiltheideasucceeds-by-marktwain.com.