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Table of Contents
: Independent content block
: Blocks of content grouping
A few tips for comprehensive use
Home Web Front-end HTML Tutorial Applying Semantic Structure with article, section, and aside in HTML

Applying Semantic Structure with article, section, and aside in HTML

Jul 05, 2025 am 02:03 AM
php java programming

The rational use of semantic tags in HTML can improve page structure clarity, accessibility and SEO effects. 1.<article> is used for independent content blocks, such as blog posts or comments, and must be self-contained; 2. and

should be combined to avoid excessive nesting, keep the structure simple, and verify the rationality of the structure through developer tools.

Applying Semantic Structure with article, section, and aside in HTML

The rational use of semantic tags, such as <article></article> , section> and <aside></aside> in HTML, can make the page structure clearer and more accessible, and also helps SEO. The key is to understand their respective uses and organize them according to the logical relationship of the content.

Applying Semantic Structure with article, section, and aside in HTML

<article></article> : Independent content block

<article></article> is suitable for blocks of content that can exist independently, such as a blog post, forum post or news entry. It emphasizes "self-containment", which means that even if this part is taken out separately, others can understand its meaning.

Applying Semantic Structure with article, section, and aside in HTML

For example:

 <article>
  <h2>How to write semantic HTML</h2>
  <p>This article will introduce...</p>
</article>

If you put multiple <article> on a page, each should exist independently. Common usage scenarios include article list page, each comment in the comment area, etc.

Applying Semantic Structure with article, section, and aside in HTML

suggestion:

  • Don't wrap the entire page in one <article> .
  • If the content is nested (such as a comment under an article), you can use <article> in <article> , but pay attention to the level of the layer being too deep.

: Blocks of content grouping

is used to divide content areas, usually with a title. It is suitable for classifying related content together, such as different modules of a page.

For example, if you make a product introduction page, you might write it like this:

 <section>
  <h2>Product Features</h2>
  <p>This product has the following advantages...</p>
</section>

<section>
  <h2>User Reviews</h2>
  <p>Many users reported that...</p>
</section>

Need to note:

  • should have a title, otherwise it might be more suitable to use <div> .
  • It is not used for layout, don't abuse it for the sake of style.

<aside> : Auxiliary information related to the main content

<aside> means those parts that are related to the main content but are not the core. For example, the recommended reading, advertisement, author introduction, terminology explanation, etc. in the sidebar.

For example:

 <aside>
  <h3>About the Author</h3>
  <p>This article was written by a front-end developer...</p>
</aside>

Pay attention to when using:

  • If the content has nothing to do with the current context, it is not suitable to be placed in <aside> .
  • It does not necessarily have to appear on the side of the page, and its position does not affect its semantics.

A few tips for comprehensive use

In actual development, these tags often appear together. For example, a typical blog post page might have a structure like this:

 <article>
  <header>
    <h1>Article Title</h1>
    <p>Author: Zhang San</p>
  </header>

  <section>
    <h2>Body Content</h2>
    <p>This is the first paragraph of the article...</p>
  </section>

  <aside>
    <h3>Recommended reading</h3>
    <ul>
      <li><a href="#">Beginner of HTML Basics</a></li>
      <li><a href="#">CSS layout skills</a></li>
    </ul>
  </aside>
</article>

Several practical suggestions:

  • Tags such as <header></header> , <footer></footer> , <nav></nav> can also be used in conjunction with each other to enhance semantics.
  • Avoid repeatedly nesting too many layers of semantic labels and keep the structure simple.
  • Use browser developer tools to see if the structure meets expectations, which is helpful for debugging.

Basically that's it. It is not complicated to use the right label, but it is easy to ignore details. Just remember that <article></article> is independent content, is content chunks, and <aside></aside> is auxiliary information, and you can write a well-structured HTML page.

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