Web page signal-to-noise ratio refers to the ratio of text content to HTML code on a Web page, also refers to the Web page useful information and useless, irrelevant information ratio, it is a very important concept, involving the simplification of the Web page code, in fact, a little bit of knowledge of the fundamentals of search engine principles know that the search engine's crawl system, is to first download the page down, then the contents of the text extracted from the inside, after a certain analysis, remove the inside HTML format, eliminate noise, and then the word processing, where the obvious can see the search engine is a step to remove noise, if we help search engine to maximize the noise, What will be the effect? The search engine will definitely like you to do this, the more concise the web, search engine Spider program crawl efficiency will be higher. So in the actual operation, how do we improve the signal-to-noise ratio of the Web page?
First, the noise removal code
Search engine to remove noise is the first step is to clear the HTML format, we are in the first step is to reduce the HTML code page, we often say, the Web page code to be streamlined, web code in line with the format of the Internet, as far as possible not to use table, as far as possible with DIV+CSS code, Just a lot of people do not know what the advantages of this search engine, so for some full-time SEO personnel, or to learn some of the principles of search engine knowledge, so as to grasp the overall search engine, which for the future to engage in SEO related work has a lot of help. Noise removal code mainly includes:
1, JS code as little as possible, as far as possible package outward
2, CSS as far as possible, and can be transferred outward on the outward, as far as possible to do HTML code and CSS separation
3, in the use of div+css, as far as possible to reduce its nesting level
4, reduce the use of flash, iframe and pictures
Ii. Removal of noise content
Search engine text extraction, remove code noise, the next step is to remove the noise inside the page, the Web page to remove the noise is actually extracting the theme of the page, some irrelevant content directly ignored, such as the search engine in the Judgment page theme, will be the navigation bar, footer copyright information, And some public sections directly filtered out, for them, these are the noise of the Web page, each page has, it is a public module, it can not represent the main content of the page, for the theme of the page, is to play a role in interference, such as some of the product information of the Web site, At the bottom of the page with a large part of the content in writing notes, security, payment methods, and so on, these content has interfered with the search engine on the content of the subject of the Web page judgment. Search engines will do the removal process. When we optimize the Web page, we should deal with the noise content appropriately.
1, in the page, as much as possible to add some of the content of the page theme text.
2, for some public content, you can consider encapsulation, or directly use the form of JS.
3, some public content to use the picture display, for example each webpage how buys, the Post-sale service and so on
4, for some copyright information, can be as concise as possible.
When we have the Web page to remove noise code, noise content, greatly improve the search engine crawl efficiency, and for the search engine for the content of the Web page, also has a positive effect. Therefore, the Web page should be as concise as possible, and the subject content to be prominent, irrelevant content as little as possible, or in a special form, can not interfere with the search engine for the main content of the extraction. Content by China Hotel Talent Network www.jiudianzhaopin.com.com in Admin5, reproduced please keep the URL, thank you!