Basically, each page should have an h1 heading: The menu item can be set whether the page heading should be displayed or not.
- If it is displayed, the article title is automatically an h2.
- If not, the article title will be displayed as h1.
Based on this configuration, the content of an article can be further structured with the correct headings.
Reading recommendation
WCAG Success Criterion (SC) 1.3.1: https://www.w3.org/WAI/WCAG21/Understanding/info-and-relationships
WCAG Success Criterion (SC) 2.4.6: https://www.w3.org/WAI/WCAG21/Understanding/headings-and-labels