The aside element marks content indirectly related to a page’s main content. It commonly creates a sidebar beside an article. section 12.2.3
Use an aside for related supporting content, such as:
- Links to pages related to the article section 12.2.3
- Latest site news, a social media feed, or advertisements section 12.2.3 section 12.6
- One or more sidebars placed anywhere inside the main element section 12.2.3
Related guides sidebar
<aside> <h3>Related Guides</h3> <!-- Related guides go here --> </aside> Add paragraphs, links, or additional headings below the placeholder. section 12.3
For a two-column article page, place the aside after the article and use CSS Grid. To move it left, place it before the article and change the columns from 2fr 1fr to 1fr 2fr. section 12.2.10 section 12.5

