Headings play a key role in accessibility requirements and general page usability. It is important to use properly structured HTML headings instead of bold paragraphs or single lines of text when organizing your web content and to not use the heading styling when the content is not a heading. Think of webpage headings as a table of contents for a story.
Headings help break up and organize lengthy informational webpages—improving readability. Proper heading use is not only important for accessibility, it also has search engine optimization benefits, which can help your webpages rank higher in Google’s search results.
According to the University’s editorial guide, headings are always title case, meaning you should capitalize all words that are not articles, prepositions, or to-be verbs. Do not use a colon (:) at the end of a heading.