Why doesn't rank sites online for a long time? In fact, there are many factors that can affect the ranking, ranking is by all sorts of algorithms to measure a result, after comprehensive score because impact factor is too much, so what are the factors affect the page rank? Here small make up for that in detail several common and the influence factors of authority:

1, the website links
1. The link
Seek links industry needs and their own websites related to industry, similar sites can play a large role in ranking ascension, and must exchange website home page link, inside pages do not have what effect,
2. Key words outside the chain
Is the target keyword anchor text is actually the best external links, check whether external link text contains keywords, and link to the text around the correlation is higher, if the correlation, the greater the link weight will be higher,

2, the site title and content and the correlation of keyword search
Currently baidu and other search engines are pay more and more attention to the content of ecological maintenance, let more original author obtain more profits, so content is done, the better, the content theme and the higher the relevance of search keywords, the greater the opportunity to gain ranking to be also, so it is very important to the consistency of the title and keywords, similarly the theme of the site and the consistency of the content is very important is the same, if the website cross-domain content, it is easy to be punished,

For example: the title of the site is the Internet technology, but the article is mostly financial news, will lead to search engines don't like your website, and punished, serious when still can be K, baidu in recent years, vigorously develop the bear's paw, suggests that more attention paid to the site's content, therefore, high quality sites related theme and the content of the keywords of the site have greater access to baidu ranked,

3, the website of the year
Year of site is also an essential part of in the SEO ranking factors, if a site management for a long time, so that the users of this site has been very stable, if is the website of the garbage sites or low quality is difficult to do this,

4, within the site chain
Refers to internal links need to be web site, you need to tell search engines what is important in our web page, generally important in user the most prominent position, and on the homepage page, home page and inside pages, section pages and content have do a good job in related links and recommend a need to click many times to find its home page page to be sure it is not important, but if the total page recommends a page that is certainly important page,

5, timeliness
If you don't update web site for a long time, the spider crawling not frequently, not yield to new pages, search engines will gradually reduce the importance of the page and the site PR value and weight, so the page should have been updated, so as not to waste station, so we should how to optimize the timeliness?
Often give website update new information, to ensure that the website information update frequency, the old also need to maintain a certain frequency of updates, increase the rate of active page, page timeliness effect on SEO is very large, sites should be updated regularly to ensure that collected and search engine ranking, the update is not only refers to the web site content updates, including the site layout, design, architecture, product and so on a series of optimization,

6, the page keyword density, the density of keywords general recommendation between 2 ~ 8, if too little that your website content is the theme of the article, if too much will be the search engine as a cheating to deal with, so you need to have a degree,

7, pornography sites that
If there is any violation of Chinese law content, such as: pornography, fraud, illegal religion, such as endangering state security, site show affected, must have also need not explain in detail, the owners must know,

8, page
Page experience is proposed recently, is also very important, in the process of website construction, layout and design, must be based on user's experience, designed to meet user requirements page, only in this way the site will get more user traffic, such as baidu search engine is also proposed many algorithms to purify the Internet environment: PC site need to consider the whole page experience, mobile phone is also need to consider the access speed,

9, the website evaluation
Site evaluation also can saying is the authority of, the so-called authority, is according to the size of the site, historical performance, site network such as a comprehensive evaluation of multiple dimensions, for us for a will is certainly can't improve website evaluation, can only work at content make the user experience, for the search engines such as weighted,

10 and blog group
Particular way: in the blog website message board with a large number of links, inbound links through this way to increase their website, but in the search engine has been very mature algorithms identify this SEO cheating, detective once they are out, web site will be search engine fall right, even K station,