HTML tag Description

Dictype

Case insensitive

The difference between HTML 4.01 and HTML5

There are three types of <! in HTML 4.01 Doctype> statement. There is only one of the HTML5:

<! DOCTYPE html>

This tag determines the form in which the browser parses HTML and CSS

Lang Zh-ch indicates that the main content of the document is Chinese
Head is primarily used to identify some data that tells search engines and browsers some page information

UTF-8 (8-bit Unicode Transformation Format) is a variable-length character encoding for Unicode,
Also known as the Universal Code. Use on the Web page to display the Chinese simplified traditional and other languages (such as English, Japanese, Korean) on a unified page.
GB2312 contains common Simplified Chinese
GBK contains traditional Chinese gbk down with GB 2312 encoding compatible, upward support for ISO 10646.1 International Standard, is the former transition process of the latter product of a connecting link.
Big5 contains only Traditional Chinese

With more data, the higher the cost of coding resources, but the speed of the modern computer is not pressure, usually with UTF8 code family barrels

The link tag refers to external resource use
<link rel= "shortcut icon" href= "Http://www.mysite.com/myicon.ico" >. Introducing Small Icons

<link rel= "Dns-prefetch" href= "http://mimg.127.net" > Pre-parsing cache good domain name IP address the next time you access a file under that domain name, you do not need to access the DNS resolution server Direct access to the server's IP address reduces time-to-resolution access

HTML tag Description