Page-level alerts show broken links and structural errors immediately notified while you are on the page. The error notification appears as a page alert tab
in the lower right-hand corner of the browser windowt, or as an alert icon next to the broken link.
To display details about the page alert notification, click the page alert tab in the lower right-hand corner.

Click the linked text in the page alert tab to focus the browser on the broken link, highlighted in red.
