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Last tested: Jul 3, 2018
A Uniform Resource Identifier (URI) is a string of characters used to identify a resource within a network of computers, such as the World Wide Web. A Uniform Resource Locator (URL) is a kind of URI that also implies the means for retrieving the referenced resource.
A URI takes the following generalized form:
You can read more about the components of the generalized form here, but for Looker URLs we can pare this down to something more specific:
If your path or query strings contain special characters like '/' or '?', you'll need to percent-encode them so that they won't be confused with URI syntax elements. For example, '/' turns into '%2F' and '?' turns into '%3F'. You can easily encode and decode URLs with simple online tools, like this one.