Web Site Settings 404 What the role of the page

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The 404 page error in the site code HTTP means that the link to the page does not exist, is the original page path failure, such as: The path of the page changes, the page file name or move location, import links spelling errors, resulting in the original path address can not be accessed; When a Web server receives a similar request, will return a 404 status Code, many of the site will often ignore the establishment of 404 pages, resulting in the site does not exist after the site is a dead link, seriously affect the weight of the site.

One, what is 404 page

The 404 page is the page that is returned when the user enters the wrong link. If some pages have been deleted, the URL input error, into the site there are 404 wrong pages.

Two, 404 page main role

The main function of the 404 page is to guide the user to access the other content in the Web site on the link that cannot be opened. Instead of allowing users to directly close the window, to help increase the amount of browsing, but also for the benefit of the spider will not be due to page errors and stop the crawl, set 404 pages can improve the user experience degree.

Three, do 404 pages have the following methods:

1, on the Internet to download a template of 404 pages, to the text, link to modify, general you download down the 404 page of The jump address is to point to your download site's homepage, you have to change it to its own site link, the modified 404 pages with FTP uploaded to the root directory, and then in the Space Control Panel, 404 set 404 Page, as shown:

2, can use the Public welfare 404 page, this is very simple, as long as in the website 404 template Inside Add code can (code in Baidu Search public Welfare 404 page can find, or in http://yibo.iyiyun.com/Index/web404 this website to generate code), Figure:

What is the difference between an error link and a dead link? What is the reason for the error link? For a few reasons:

1. Is the user entered a domain name when the wrong write

2. Web site path address writing error.

3. Web site path address suffix write more or write less slash.

4. Site path address occurrence case mismatch will also produce error links.

How did the dead link come about?

1. A page or a file originally exists, but later on the file or page to move or delete, which leads to the link to the page becomes a dead link.

2. Database and program errors can also cause dead links.

Error link and dead link difference: Wrong connection is due to the user's negligence input a nonexistent link, and the dead link is the original can be normal access, and later because of the reason of the site is not normal access and prompted 404 pages of the link.

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