About SEO dead links related knowledge

When you are working on an entire station-optimized project, we need to use the dead link tool to check the site for dead links. Of course, before checking the dead chain, we need to have a good grasp and understanding of the problem related to the dead link. What harm does the dead link have to the website? How do we deal with the dead link problem? All knowledge is the main content of this article.

First, the definition of dead link and its impact.

The so-called dead link, that is, invalid link, using this link we can not find the content of the site to find. For example, when browsing the web, see "Unable to find the page", is a dead link. A word to sum up is: Dead link is the original normal access to the link, for some reason, currently inaccessible, invalid links, if a site appears a large number of dead links will affect the user's experience, if you go to Taobao Mall to buy things, you want to buy items page is inaccessible, Usually our first reaction is to turn this page off, for Taobao Mall is the loss of customers. For the search engine spider is also the same truth, if the first search spiders to crawl the page, found that the page is not open, the second to crawl the page is not open, even if the page can be opened, then the search engine will think that the page is invalid, the next time there may be no more to retrieve, It's also very bad for our optimization.

　　

Second, the cause of the site dead link analysis

For dead links, Seoer need to be aware that the site may be the main reason for the death of the link is our own site is not reasonable to appear or due to our improper management of the site will have serious consequences. The chain of death is caused by the following reasons: 1. Dynamic link in the database no longer support conditions, become dead link; 2. Web content updates, link changes, resulting in the original link into a dead link; 3. The Web site's server settings can also cause dead links; 4. If a page's location has changed, Then the link to the original point to it will also become a dead link. All of the above four kinds of dead link is the important reason, in the analysis of the site must be from these four aspects to proceed.

Third, meet dead link, what should we do?

Since the dead link is a webmaster mismanagement caused, then the webmaster needs to be good management of the site. For the webmaster, the first thing to do is to regularly check the site, with some useful dead chain tool, check whether the site exists dead chain, I usually use the most of the check dead chain tool is Xenu. If the site found a dead link, then you need to delete the dead link in the fastest time or repair the dead link, to ensure the smooth site. Of course, making 404 pages is also a more common way to deal with dead links. Encounter dead link automatically jump to 404 pages, so will not have a big impact on the weight of the page, thus reducing the impact of dead links on the site.

　　

　　

In the operation of the project, encountered a dead link is very common thing, we have to do is to the dead link to the most effective processing, so that dead links to the site's impact to a minimum.

Article from Shanghai SEO company http://www.teachseo.com.cn/news-2-1.html, reproduced please indicate the source