The unfavorable factors that influence the ranking in Search engine optimization

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Discuss search engine optimization in the focus of the article too much, point Shi Xiaopeng today mainly to discuss with you: Search engine optimization may affect the ranking of the adverse factors, so that everyone in the actual SEO operation in the future has a certain understanding and effective to avoid.

Before I discuss it, I'll analyze the consequences of the adverse factors in the search:

Reduce the site's search results in the key word rankings, reduce the search engine on its site trust, reduce the quality of their own sites, the site's credibility, customer experience, more likely to be punished by the search.
The specific performance is:
* Key Words (keywords) the use of the key word is a double-edged sword, the use of good will be an important factor to improve the rankings. The use of a bad, will be considered a lot of accumulation, to note that the relevant key word accumulation will also be considered the scope, the relevant information can refer to point stone keywords density of common problems, keyword selection, how to carry out site keyword Strategy planning and deployment and other articles.

* This is a more prominent issue in the domestic context. A large number of other sites to collect content, their own site is very little content, so in addition to the issue of copyright and search engine identification source will be a big problem. Once SE is confirmed, the entire site will be significantly tuned in search engine performance. Relevant information can refer to the illegal reproduction of stone on the original web page authority, copy Web page is how to form? and other articles.

*url normalization problem This problem in many sites are more proposed, such sites may take into account security and other factors, using a lot of similar WAP site symbols, although this security is increased, but the possibility of being included is greatly reduced. Another major problem is, for example, ABC.com, www.abc.com, www.abc.com\ Index.html These three URLs should point to an address, but the search engine may think it will be three different addresses, more serious is that many links in the chain will be linked to a different address, so easy se will be considered to be copied pages. Relevant information can refer to Point stone URL site normalization and other articles.

* Link spam I believe this problem is now seoer used by one of the commonly used means, the use of automatic mass blog, BBS, etc., so that can quickly get a large number of links, such practices are generally considered to be efficient and practical, that SE has no way to confirm the link is effective, but need to understand that In China to do SEO, facing the artificial intervention of Baidu, Yahoo! , the future may also increase such as Sogou, Iask, Zhongsou or even Google, MSN. What are they going to do? will give you down the right, will let your site completely disappear. Relevant information can refer to 9 kinds of common spam ways of point stone.

* Link to the site has been punished this in the SEO industry basically have a general understanding. may be subject to joint punishment. This is a new challenge to SEO work, to always pay attention to and you do link site is punished. Relevant information can refer to the relevant articles on the stone point.

* Illegal content some SEO love to walk the edge of the line, GCA (pornography, gambling, terrorism, etc.), such a site without me to say that the likelihood of being blocked is almost 100%. Relevant information can refer to the relevant articles on the stone point.

* Invalid code such an invalid site can easily cause search spiders in the crawling process of death cycle or other adverse factors. This means that the bot does not fully read the entire page, let alone what ranking. Relevant information can refer to the relevant articles on the stone point.