I run Chrome with cookies (and local storage) disabled by default. When I visit the site, I only see the first two headings of a table of contents, and no actua

I run Chrome with cookies (and local storage) disabled by default. When I visit the site, I only see the first two headings of a table of contents, and no actual tutorial content appears. Why does an information-only (non-interactive) web page require cookies and/or local storage to function?