Use of subsites pages without a banner causing accessibility issue with page title

[cjstevens78]

The <h1> title for subsites pages is contained within the banner area. When a page is published without a banner it fails accessibility checks due to not having an <h1> title. @willguv suggested that the intention for subsites is to always have a banner as part of the page structure. If this is the case then there should be some kind of validation in place to prevent a page being published without one. See screenshot of a page on Croydon that was published without a banner. Screen readers are looking for a page title <h1> but instead find a section title <h2>.

[andybroomfield]

Just to add, it's not always the case a subsite will have a banner.
eg. https://www.brighton-hove.gov.uk/how-stay-active-home
The missing <h1> is down to the subsites banner changing to a paragraph, so the block does not get rendered if no banner is set, so it will not render the page title.

I think the best cause of action is to provide a default <h1> with the title if the banner is not set, rather than assume it will always be present and make it a required field, as we don't know if every subsite will contain a banner image.

[keelanfh]

@msayoung