1.1 Title Text
In HTML5, in addition to the structure of the text appears as lines and paragraphs, may also exist as the title, usually a document that is the basic structure of different levels of the title and body composition.
Chinese portals such as :( 1)
https://www.gov.cn/xinwen/2017-11/06/content_5237462.htm
For example Baidu know :( 2)
https://zhidao.baidu.com/question/1737748898441802467.html?entry=home_new_content
For example 3 :( Baidu Encyclopedia)
https://baike.baidu.com/item/%E6%B5%A3%E7%86%8A#hotspotmining
1.1.1 title text label
HTML5 document title at all levels by the <h1> to <h6> elements to define, h is the English headline (header row) for short, which, h1 denotes the stage 1 title, largest and highest grade, text, other elements in descending order, h6 The minimum level.
h tags are paired to <h> begins to </ h> end. h1, h2, h3, h4, h5, h6 as the title tag, and the decreasing order of importance. This layout allows the principle of hierarchy page more clearly, let search engines better crawl and analyze the subject matter of the page, and so on.
1.1.2 Role of Title Tags
Each tag in html has its own meaning, and H tag as the title tag, its meaning is crucial.
1, H intuitive label tells the user which part of the page is important and what is less important. heading tags are often used to show the structure of the web users, because the heading tags typically make text larger than some ordinary word, for the user, they are more intuitively easy to see the importance of these words, but also help them understand content below the heading text. A variety of gradient sizes of heading a major start to create a hierarchical structure for the content of the page, user-friendly and intuitive to navigate the site;
Two, H label guide the search engine, which is an important web page content. To search engines, the main significance of <h> tag tells search engines this is the title of a piece of text or say is the theme, highlight a right to label their weights h higher than the Strong. So search engine optimization using H label is very important. Because, search engines need to understand the text in a pile of what it is written, so it is also in accordance with people's reading habits, first look for the title of the article, however, unlike what people can quickly determine that title, the search engine is " blind ", so use <h> tag will guide the search engine title where they are easy to quickly grasp the text effect. Title (H1-H6) label is an important place to the use of keywords, the label should include the most important keywords in the text.
1.1.3 rational use of title tags
A, <h1> are used to modify the main title page, that page in the top title, general title page, title of the article, the deployment of the main keyword <h1> in. <H1> as close as possible in html in the <body> tag, the closer the better, so let's enjoy the theme of the fastest search engines. Each page is only used once H1, and be sure to include keywords in H1 site. H1 consequences are more search engines do not know what the title of the most important content pages, and keywords will dilute the title of this page. H1 will be used judiciously to improve the ranking keywords used properly will cause harm to the user and SEO.
Two, <h2> represents a paragraph heading or subheading, the deployment of long tail keywords (that is, non-target keywords on your site but also can bring search traffic type keyword combinations related to the target keyword).
Three, <h3> represents a paragraph of section headings, <h3> Strong results with similar, generally used in bullet points.
Four, <h4> - <h6> largely unused, these are not very important to tell the search engines the content, when the content of an article more, can be used to illustrate some of the content is not very important.