Content before this block will be shown in the excerpt on your archives page.
This is some content before the core/more block.
This is some content after the core/more block.
On the page itself
The number after
more is the post ID.
On the archive page
Content on the archive page depends on the active theme and on the length of the content before the
Related GitHub issue
Content before the More button is truncated and unavailable if it’s too long and if the excerpt is hidden on full page