css优化标签属性（CSS optimize tag properties）.docVIP

css优化标签属性（CSS optimize tag properties） Another important aspect of the separation of structure and performance of the mark is the use of semantic to construct the content of the document. A XHTML element there means that part of the marked content has a corresponding structural meaning, there is no reason to use other markers. In other words, dont let CSS make a HTML element looks like another HTML elements, such as the use of div to replace the p tag title. The first is about the semantic (Semantics) and the difference between the default style, the default style of some commonly used forms of tag browser settings, personally think that his main purpose is to let everyone know intuitively (markup) tags and attributes (attribute) the purpose and role, obviously Hx series looks like the title, with bold and large fonts. Strong em used to distinguish them from other languages, to emphasize the role of. As for the list and table clearly Tell you what they do. Secondly, the benefits of the semantic web, is the most important to search engine friendly, and the structure and semantics of your good web content naturally easy to be search engines crawl your site, promotion can save a lot of time. Semantic and use specific, have XHTML1.0 TAG reference, there will be some easily forgotten or confused TAGS and attributes to be added. Hx h1, h2, h3, h4, h5, h6, as the title, and on the basis of diminishing importance. h1 is the highest grade. For example: The title of the document /h1 h1 h2 secondary Title /h2 Dont use div class= title document title /div, span or class= title document title /span. search engine for the latter is obviously not think that he is the title of the. p The paragraph mark, know p as a paragraph, you wont use br/ to wrap, and do not need to distinguish between paragraphs and paragraphs br/br/. p/p in the text will wrap and wrap is better than br. The gap between paragraphs and paragraphs can also use CSS to control, it is easy and clear distinction b