The url command loads a HTML page at a given URL, and sets that page into the context, positioning at the first element on the page.
The url command takes an optional parameter for a number
of days to cache the HTML page loaded from the URL.
url http://www.alofmethbin.com/ 50
this logs the title from the home page on my website. The page is only read from the web address if 50 days has elapsed since the last time it was read.