Sanitize HTML elements and attributes

If your page has some custom attributes that are invalid in Google AMP, the AMP page will be invalid and will not be created.

When you preview the page in Google AMP, an error messages will be displayed, together with information about the elements or attributes that invalidate the page.

You can sanitize these attributes or elements from the page, so that it is a valid Google AMP page.
To do this, perform the following:

1. Navigate to Administration » Settings » Advanced.
2. In the left pane, click GoogleAmp.
3. In field Additional HTML elements to sanitize, enter the elements that you want to sanitize.
4. In field Additional HTML attributes to sanitize, enter the attributes that you want to sanitize.
5. Save your changes.