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Accessibility
Page Structure and Headings
Use headings听to structure the content of your page in a logical fashion. Screen readers use heading tags to navigate a page's content. Screen reader听users can听hear an outline of the page's main ideas, then navigate the page using the headings to read the sections of the page that contains the information they need. Without headings, this method of skimming through content is impossible.
The logical order starts with H1 and works down to H6. The page title is set to an H1 automatically, the next听header should be an H2, and any subheads H3. Do not skip heading levels. Using headings properly can mean letting go of the way your page looks -- you might think the headers are too big听or too small. But you've got to make your page work for everyone. Screen reader听users听rely heavily on properly structured pages to help them skim the page.听