HTML document elements explain the HEAD

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  html document consists of two parts: head (part of the theme Generally speaking, it is not visible) and the body (the body part in the browser is visible).    With FrontPage and Dreamweaver (DW), the visual web page editor of the popular, but not the HTML can do a professional website is not a dream.    However, these tools are不能自己Home generated a good part of the theme, which we need to find out which of the elements. 

  1, Head elements 

  Meta its record current page of information, such as character encoding, the author, copyright and keywords such as.    Can also be used to provide information to the server, such as closing date and page refresh interval, etc..    Its two Basic usage is: tell the web browser by identifying file types and language type to search by keyword search engine to your web site. 

  Attribute designated Meta tags contain Name (page description) or HTTP Equiv (HTTP header information).    "Value" designated by the type of information provided.    Some values have been defined in the DW in the special property inspector.    For example, description (Note), keyword (keyword), refresh (update).    Can also specify other arbitrary value, such as: creationdate (Establishment), the document id (Document No.), and level (level). 

  Content.    If the designated level (level) Value (Value), Content may be beginner (primary), intermediate (intermediate), advanced (advanced). 

  Title page title, displayed in the browser's title bar. 

  Keywords many popular search engine can be automatically read in the Keywords Meta tags, and use the information in its database to establish the index of the pages.    Some in the search engine index, the number of keywords or characters have on the restrictions.    Some are in the range limit beyond keyword ignore all keywords.    Featured website for the keyword therefore is necessary.    Keywords signs in the field for the use of a comma to separate keyword. 

  Description and Keywords have similar functions.    Just use descriptive phrase instead of keywords.    Part of the search engine index, the characters have a certain limit, as far as possible should be concise. 

  Refresh Refresh elements can be used in a specified time period after the automatic refresh of the page. 

  Action specify whether to go or other url refresh the current page.    Go to other URL, click Brower button to select pages to be loaded. 

  Delay in the updated pages in seconds flat before the waiting time, we must immediately refresh pages can be imported in this domain 0. 

  Base Base elements can be set up to use the basic URL. 

  Href designated basic URL, type the path can be directly or choice. 

  Target designated all the documents linked to the open window.    In the current framework can select a framework or concentrated in the provision of reservation of the four in one window, by default _ self. 

  Link Link elements can be defined using the current document and other documents (such as CSS) the relationship between. 

  ID designated the sole identifier of a link. 

  Title Links relations.    This attribute of the links style sheet is very appropriate. 

  Rel Href designated the documents and documents the relationship between the jurisdictions.    Its possible values include: Alternate (option), Stylesheet (style sheet), Start (activated), Next (1), Prev (1), Content (content), Index (Index), the Glossary (vocabulary), Copyright (copyrights), Chapter (Chapter), Section (section), Subsection (section), and Appendix (Appendix), Help (Help), Bookmark (bookmark).    To specify a number, please use the value of space will separate. 

  Second, the examples 

  <title> HEAD elements used LIBRARY </ title> 
  <! - The title page -> 
  <meta Http-equiv="Content-Type" content="text/html; charset=gb2312"> 
  <! - Web content type, TXT or HTML format, coding for the GB2312 -> 
  <meta Name="keywords" content="HEAD元素"> 
  <! - Keyword Information -> 
  <meta Name="description" content=" Benwangxieyongxushuimeng HEAD元素的使用方式"> 
  <! - Further description of the site -> 
  <meta Http-equiv="refresh" content="5;URL=index.htm"> 
  <! - In the website updated automatically after five seconds, the link address for the index.htm page -> 
  <base Href="" target="_blank"> 
  <! - Basic set of links, pop-up targets for the new pages.    Frame can be used for the specified page links shown Frame, such as: target = "main"> 
  <link Rel="stylesheet" href="homepage.css"> 
  <! - Transferred style sheets, links style sheet document "homepage.css" -> 

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