To jump into Unicorn, just provide a URI and push the button. Unicorn will call a series of validation services and report the results.
The Unicorn interface gives you additional control over what you want to validate and what tests to perform. More information for users is available in the FAQ. People who want to learn more about developing validation services or Unicorn itself should refer to links on the Unicorn home page.
What do you want to validate?
You can tell Unicorn what to validate in any of the following ways:
- By identifying a page on the Web with a URI.
- By uploading a file (useful when your page isn't yet on the Web). Choose the "By File Upload" tab for this option.
- By pasting markup directly into a form. Choose the "By Direct Input" tab for this option.
What services do you want Unicorn to perform?
By default, Unicorn performs all the checks it can for the type of document you tell it to validate. This is the "General Conformance Check" option under "Select a task"
You may also choose individual tasks in the same pulldown menu, such as (just) "CSS Profile Validation" or (just) "mobileOK checking". Individual checkers may offer "advanced options," for example whether the CSS validator should display errors and warnings, or just errors.
In the task pulldown menu, there is also a "Custom task" pulldown. When you choose this, you may choose which tests you wish to perform from the validation services known to Unicorn. Note that some validation services may not make sense for certain types of content (and those services will let you know)!