Uniform Resource Locators (URL)
SiteVigil will monitor a set of Uniform Resource Locators (URLs) for you, informing you when one is inaccessible or gives an error.
The ubiquitous URL has the format <protocol>:://<domain name>/<object name>?<query string>
Browsers normally use the HTTP protocol and HTTPS for secure connections.
The domain name is the three or four part DNS name of the server e.g. www.silurian.com. Strictly speaking 'www' is a sub-domain name and silurian.com is the actual domain name.
The object name is the resource within the web site to access e.g. /win32/chart.htm
The query string provides optional additional information for the server to give the client a tailored response. Search engines and HTML forms frequently use it.
You can optionally add authentication information into a URL, this precedes the domain name and is of the form <user name>:<password>@, you need to provide this information for sites that give a 401 access forbidden error message.
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