HTML5內置了許多設置，這些設置可以使網頁更加美觀和交互性更強。下面是一些常見的HTML5內置設置：

<header> 
<h1>This is a header</h1>
<p>This is a paragraph in the header</p>
</header>
<nav>
<a href="#">Home</a> 
<a href="#">About</a> 
<a href="#">Contact</a> 
</nav>
<article> 
<header> 
<h1>This is an article</h1> 
<p>This is a paragraph in the article header</p> 
</header> 
<p>This is the content of the article.</p> 
<footer> 
<p>This is the footer of the article.</p> 
</footer> 
</article>
<section> 
<h1>This is a section</h1> 
<p>This is the content of the section.</p> 
</section>
<aside> 
<p>This is an aside.</p> 
</aside>

<header>標簽用于定義頁面或者一個區域的頭部，<nav>標簽用于定義導航鏈接，<article>標簽用于定義文章，<section>標簽用于定義區域，<aside>標簽用于定義和頁面相關但是不屬于正文的內容。這些標簽的使用可以使頁面更加清晰和易于閱讀。