Through Unstack you can enable a "table of contents" within your Blog Settings to provide readers with a short list of navigation items to help them quickly navigate through your articles.
How does it work?
Our table of contents feature works by creating an index of any text in your articles that has been styled as an H2.
As long as you have multiple text items that have been styled this way, a table of contents should appear on the left-hand side of the article when viewing the published version of the article.
It's not currently possible to enable this feature for some articles, but not others.