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What does the head tag mean in HTML? An article teaches you how to use the head tag correctly

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Aug 25, 2018 pm 06:02 PM

baseheadhtmlmetatitle

This article introduces to you what is the head tag in HTML, and what elements are in the head tag. After reading this article, you will have a more thorough understanding of the head tag head in HTML. , this article uses a simple method to let everyone understand how to use these tags. If you know it well, you can use the head tag better. Now let us read this article together

First of all, what do we need to know? It is the head tag in HTML:

The head tag acts on the head of the web page, and its content will not be displayed in the text.

html Elements in the head tag:

To learn the head tag, you just need to clarify the elements inside. In fact, there are many tags in the head tag. Use, but the

and

tags in the text cannot be used here

When it comes to the elements in the html head tag,The first one can What comes to mind is definitely the tag:

The tag defines the title of the web page and is also a must-have tag. If you do not write it, the web page will automatically add one for you. The title can be seen on a normal web page. The following picture shows the usage code of the head tag in the entire HTML: (detailed explanation will be given later) <pre class='brush:php;toolbar:false;'><!doctype html> <html> <head> <meta charset="utf-8"> <title>PHP中文网</title> <meta name="keywords" content="PHP,PHP中文网"> <meta name="description" content="网页描述的内容，这有不少字的，在搜索页面呈现的"> <meta http-equiv="refresh" content="5;http://www.php.cn"> </head> <body> hello world </body> </html></pre> Effect picture: <img src="/static/imghwm/default1.png" data-src="https://img.php.cn//upload/image/172/278/695/1535184665914726.png?x-oss-process=image/resize,p_40" class="lazy" title="1535184665914726.png" alt="What does the head tag mean in HTML? An article teaches you how to use the head tag correctly"> This is the effect of the title tag, showing the title. The second one talks about the <meta> tag: This tag has the following four uses: 1. This<mate> The tag is displayed in the first line of the head tag. It is used to set the web page document encoding and declare to the current browser what encoding method it is to prevent the browser from garbled characters. </mate> This is how it is used: <pre class='brush:php;toolbar:false;'><meta charset="utf-8"></pre>This is the specification of html5, The specification of HTML4.01 is like this: <pre class='brush:php;toolbar:false;'><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></pre>2.This The <mate> tag is used to set keywords for webpages, and is specially designed to provide services for search engines. </mate> Usage is: <pre class='brush:php;toolbar:false;'><meta name="keywords" content="PHP,PHP中文网"></pre>Explanation: name="keywords" is a fixed way of writing. The keywords are set in the attribute value of the content attribute later, separated by commas. 3.This <mate> tag is </mate> used to describe the website. If there is a corresponding description written here, the information will be displayed in the introduction of the website by search engines. The usage of this is: <pre class='brush:php;toolbar:false;'><meta name="description" content="网页描述的内容，这有不少字的，在搜索页面呈现的"></pre>It’s not easy to display, please show me a picture <img src="/static/imghwm/default1.png" data-src="https://img.php.cn//upload/image/801/962/237/1535184715501457.png?x-oss-process=image/resize,p_40" class="lazy" title="1535184715501457.png" alt="What does the head tag mean in HTML? An article teaches you how to use the head tag correctly"> The text set there will be Appears as the text in this box in searches. 4. The last <mate> tag defines website redirection. </mate> Usage: <pre class='brush:php;toolbar:false;'><meta http-equiv="refresh" content="5;http://www.php.cn"></pre>There are two parameters written in the content attribute, separated by semicolons, which means that it will jump to the target URL page after 5 seconds. The third one is to talk about the <base> tag in the head tag in HTML: The base tag in the head tag of defines how the link in the window is opened. , as long as this is set in the header of the web page, then this web page does not need to add this target attribute to the hyperlink. <base target="_blank">Indicates that the target addresses of all hyperlinks in the web page are opened in a new window (this attribute will be overridden by the target attribute in each link.) Introduce to you the two attribute values of the target attribute of the base tag: <ul class=" list-paddingleft-2" style="list-style-type: disc;"> <li>_blank: Open the target URL in a new window</li> <li> _self: Open the target URL in the original window (browser default) </li> </ul> If you do not set the target attribute, clicking on the URL will jump directly to the target URL on the original URL. If you want to set it Same as _self. The other one is the href attribute, which is used to set the URL. With this attribute, when you click the URL, the target URL will be entered in a new window, is generally used like this: <pre class='brush:php;toolbar:false;'><base href="http://www.php.cn" target="_blank"/></pre>In fact, there are three more elements, but we are just learning HTML now, so there is no need to know these three, just know it, they are all written In the head tag, let’s give a brief introduction <ul class=" list-paddingleft-2" style="list-style-type: disc;"> <li><style>This is how to write the css code in this webpage</style></li> <li>< ;link>This is used to link to a css code (everyone should know that css does not need to be written on a page)</li> <li>##<script>This is used to link to the current A piece of JavaScript code is inserted into the web page. </script> </li> </ul>Okay, now I have almost finished introducing the commonly used head. After reading this, you should be able to use the head tag in HTML correctly. If you have any questions, please ask below[Editor’s related recommendations] <a href="http://www.php.cn/php-weizijiaocheng-409071.html" target="_blank">Should hackers learn PHP or python? Rational analysis of ten differences between PHP and python</a> <a href="http://www.php.cn/html5-tutorial-408225.html" target="_blank">What is an HTML file? A preliminary understanding of HTML files</a>

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