Heading
<gcds-heading>

Also called: title, section heading, subheading.

A heading is a title that establishes levels of hierarchy to organize page content into a structure.

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Build a Heading

Headings structure content by establishing levels of hierarchy that organize page content.

Coding and accessibility for headings

Order heading levels hierarchically

Heading levels follow a sequential, hierarchical order: higher levels have larger display text than lower ones.

• Set correct and consistent heading levels to align the coded and visual headings on a page. Consistent headings support an equitable experience for people who use assistive technologies.
• Order headings sequentially from lowest to highest (H1–H6).
• Avoid skipping heading levels. Instead, restructure content so headings are used sequentially, from largest (H1) to smallest (H6).
• Only use an H1 heading once on a page. Other heading types can be used multiple times.
• Use H2 headings to describe individual sections. Each section should have one H2 heading.
• Opt to use H3–H6 headings within sections. Sections can contain multiple H3–H6 headings, as long as they are placed in hierarchical order.

Maintain accessible character limits

• Maintain the default character-limit for each heading line by keeping the attribute set to true for a comfortable and accessible reading length. These defaults create a balanced, consistent line length across heading font sizes.
• Keep character limits to the following lengths to maintain a visual balance across headings on a page:
  • 31 characters for H1.
  • 35 characters for H2.
  • 40 characters for H3.
  • 45 characters for H4.
  • 50 characters for H5.
  • 57 characters for H6.

Use consistent spacing

• Maintain default spacing for a comfortable and accessible reading experience. These defaults create visual breaks and separation between different sections.
• Keep spacing values to the following to maintain a visual balance across headings on a page:
  • Default margin-bottom: 300 for all
  • Default margin-top: 0 for H1 and 600 for H2–3

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Note: The code builder uses English for all code elements, which follows standard practice.