In Sitefinity, a page heading or PageTitle widget refers to the title or main content of a web page.
To create a page heading, users can access the "Pages" section from the main menu and use the drag widgets pane to add content, navigation, and scripts to the page. Additionally, users can set friendly URLs
The PageTitle widget which will default to the name of the page, or with a Content Block and is the first text in the main content area on a page.
It should be formatted with Heading 1 (or h1).
To apply the formatting, highlight the text of the heading and select Heading 1 from the format selector in the Content Block edit window.