Micro-format (microformats): An open standard for structured data. is a structured XHTML code block that contains data, and because it is a block of XHTML code, it is well suited for human reading, because it is structured and easily handled by machines, making it easy to communicate with the outside world.
Micro-format According to some existing widely used standards, through the content block semantic tagging, you can let external applications, aggregators and search engines to do the following things:
When crawling Web content, the semantics of content blocks can be more accurately identified;
Work with content, including providing access, proofreading, and converting it to other related formats for use by external programs and Web services.
Add smart data to a Web page, allowing the site content to display additional hints in the search engine results interface.
<a href= "http://www.bbon.cn" rel= "homepage" >web Design blog</a>
The link marker above <a> includes the rel= "homepage" property, which shows the target page of the link is the first of the site. Adding a semantic attribute to an existing link element adds a concrete structure and meaning to the link.
Micro-format Understanding