4.3. Validating HTML#
![checkmark icon](../../../_images/if-check.png)
To show that your web page validated according to HTML5 standards, submit a screenshot of the Validator.nu output with the Show Image Report and Show Outline options selected (enter your web page URL in the “Address” field). Below is a screenshot of the validator interface:
![Validator.nu interface](../../../_images/validate-interface.png)
Your submitted screenshot should look like this (on longer pages, you can truncate the source):
![Validator.nu output](../../../_images/validate-output.png)