The HTML <head> element is a container for the following elements: <title>, <style>, <meta>, <link>, <script>, and <base>.
The <head> element is a container for metadata (data about data) and is placed between the <html> tag and the <body> tag.
HTML metadata is data about the HTML document. Metadata is not displayed.
Metadata typically define the document title, character set, styles, scripts, and other meta information.
The <title> element defines the title of the document. The title must be text-only, and it is shown in the browser's title bar or in the page's tab.
The <title> element is required in HTML documents.
The contents of a page title is very important for search engine optimization (SEO). The page title is used by search engine algorithms to decide the order when listing pages in search results.
The <title> element:
So, try to make the title as accurate and meaningful as possible.
The <style> element is used to define CSS for a single HTML page:
The <link> element defines the relationship between the current document and an external resource.
The <link> tag is most often used to link to external style sheets:
The <meta> element is typically used to specify the character set, page description, keywords, author of the document, and viewport settings.
The metadata will not be displayed on the page, but are used by browsers (how to display content or reload page), by search engines (keywords), and other web services.
The <script> element is used to define client-side JavaScript.
The <base> element specifies the base URL and/or target for all relative URLs in a page.
The <base> tag must have either an href or a targer attribute present, or both.
There can only be one single <base> element in a document.