URLs

Understand the construction of a URL. Sometimes a hyperlink will take you to a URL such as http://www.sampleurl.com/files/howto.html. You should know that the page "howto.html" is part of a site called "www.sampleurl.com." If this page turns out to be a "not found" error, or doesn't have a link to the site's home page, you can try typing in the location box "http://www.sampleurl.com/" or "http://www.sampleurl.com/files/" to see if you can find a menu or table of contents. Sometimes a file has been moved or its name has changed, but the site itself still has content useful to you--this is a way to find out.

If there's a tilde (~) in the URL, you're probably looking at someone's personal page on a larger site. For example "http://www.bigsite.com/~jonesj/home.html" refers to a page at www.bigsite.com where J. Jones has some server space in which to post Web pages.

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