Summary of difference analysis between Html, sHtml and XHtml_HTML/Xhtml_Web page production

For example: This browser also recognizes

shtml based on Server Side Include (ssi). When there is a server-side executable script, it is treated as a dynamic programming language and can be included. When it is not When it contains server-side scripts, it is no different from HTML

xhtml is based on the w3c standard and follows strict xml format. It can be considered a transition from html to xml. The grammar format requires strict

xhtml

Must have

terminator (all elements must be closed)

xhtml

(correctly nested)

xhtml attributes must be in double quotes Bracketed

xhtml is case-sensitive, and the attributes and values ​​of the label are all lowercase

xhtml replaces the name attribute with id