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This article will explain in detail the example analysis of header elements and character entities in HTML. The editor thinks it is very practical, so I share it with you for reference. I hope you can get something after reading this article.

An element is a container for all header elements. Elements within can contain scripts that indicate where the browser can find stylesheets, provide meta-information, and so on.

The following tags can be added to the head section:, and.

The tag defines the title of the document.

The title element is required in all HTML/XHTML documents.

The title element can:

Define the title in the browser toolbar provides the page title that is displayed when the page is added to the favorites and appears in the search engine results

Metadata (metadata) is information about data.

Tags provide metadata about HTML documents. The metadata is not displayed on the page, but it is readable to the machine.

Typically, the meta element is used to specify the description of the page, keywords, author of the document, last modification time, and other metadata.

The tag is always in the head element.

Metadata can be used in browsers (how to display content or reload pages), search engines (keywords), or other web services.

Some search engines use the name and content attributes of the meta element to index your page.

The following meta element defines the description of the page:

The following meta element defines the keywords for the page:

The tag specifies the default address or default destination (target) for all links on the page:

Tags define the relationship between the document and external resources.

Tags are most commonly used to connect style sheets:

Tags are used to define style information for HTML documents.

You can specify the style in which the HTML element is rendered in the browser within the style element:

Body {background-color:yellow}

P {color:blue}

Tags are used to define client script, such as JavaScript.

We will explain the script element in a later chapter.

Reserved characters in HTML must be replaced with character entities.

In HTML, some characters are reserved.

The less than sign () cannot be used in HTML because browsers mistook them for tags.

If we want to display reserved characters correctly, we must use character entities (character entities) in the HTML source code.

Character entities look like this:

& entity_name

Or

& # entity_number

To display the less than sign, we must write: < or

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