The content of this article is about what is the head tag? The introduction of the head tag in HTML has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.
What is the head tag
The head tag is the content of the
element. Unlike the content of the element, which can be displayed in the browser, the content of the head will not be displayed in the browser. Its function is to contain some metadata of the page. In the example below, head has very little content.
<head>
<meta charset="utf-8">
<title>My test page</title>
</head>
Copy after login
title
The element
is used to represent the entire Metadata about the approximate content of an HTML document (not the content of the document.) The <br> element <title> is also used in other ways. For example, if you try to bookmark a page, (Bookmarks > Bookmark This Page, in Firefox), you will see the content of <title> as a suggested bookmark.</p>
<h2 id="Metadata-lt-meta-gt">Metadata<meta></h2>
<p>Metadata describes the data data, and HTML has an "official" way to add metadata to a document - the <meta> element. Of course, the other things mentioned in this article can also be considered metadata. There are many different kinds of <meta> elements that can be included in the <head> element of your page, but we won't try to explain all of them just yet, as that would just cause confusion. </p>
<div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><meta charset="utf-8"></pre><div class="contentsignin">Copy after login</div></div>
<ul class=" list-paddingleft-2"><li><p>This element simply specifies the document's character encoding - the character set that is allowed to be used in this document. utf-8<br> is a universal character set that contains most characters in any human language. This means that your web pages can be displayed in any language; many <meta><br> elements contain name and content attributes. The </p></li></ul>
<p>name attribute specifies the type of meta element; Describes what type of information this element contains. <br>content specifies the actual metadata content. <br>These two meta elements are useful for defining the author of your page and providing a description of the page's content. </p>
<div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><meta name="author" content="Chris Mills">
<meta name="description" content="The MDN Learning Area aims to provide
complete beginners to the Web with all they need to know to get
started with developing web sites and applications."></pre><div class="contentsignin">Copy after login</div></div>
<ul class=" list-paddingleft-2"><li><p>Specifying the author can be useful in certain situations: if you need to contact the author of a page to ask questions about the page's content. <br> Some content management systems can automatically obtain the page author's information and then use it for certain purposes. <br> It is useful to specify a description of the page content that contains keywords about the page content, because it may or may not make your page appear more in relevant searches in search engines (these actions are termed <br> Search Engine Optimization, or SEO.)</p></li></ul>
<h2 id="Add-custom-icons-to-your-site">Add custom icons to your site</h2>
<div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><link rel="shortcut icon" href="favicon.ico" type="image/x-icon"></pre><div class="contentsignin">Copy after login</div></div>
<h2 id="Apply-CSS-and-JavaScript-to-HTML">Apply CSS and JavaScript to HTML</h2>
<div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><link rel="stylesheet" href="my-css-file.css"></pre><div class="contentsignin">Copy after login</div></div>
<ul class=" list-paddingleft-2"> The <li><p><link> element is often located at the head of the document. It has two attributes, rel="stylesheet", indicating that this is the style sheet of the document, and <br> href, which contains the style sheet file. path. The </p></li>
</ul>
<div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><script src="my-js-file.js"></script></pre><div class="contentsignin">Copy after login</div></div>
<ul class=" list-paddingleft-2"><li>
<p><script> section does not have to be at the top of the document; in fact, place it at the end of the document (in </body> ; before the tag) is a better choice <br/>, which ensures that the browser has parsed the HTML content before loading the script (if the script loads a non-existent element, the browser will report an error). </p></li></ul><h2 id="Set-the-main-language-for-the-document">Set the main language for the document</h2><pre class="brush:php;toolbar:false"><html lang="en-US"></p>
<ul class=" list-paddingleft-2"><li><p>This is useful in many ways. Your HTML document will be indexed <br> more efficiently by search engines if the language of your HTML document is set properly (e.g., allowing it to display correctly in language-specific results), for those using screen readers It is also useful for visually impaired people (for example, <br> There is a word "six" in both French and English, but the pronunciation is completely different). </p></li></ul>
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</li></ul><p>The above is the detailed content of What is the head tag? Introduction to head tag in html. For more information, please follow other related articles on the PHP Chinese website!</p>
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