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One, what is 404 page
The 404 page is the page that is returned when the user enters the wrong link. The purpose of the 404 page is to tell the viewer that the requested page does not exist or link incorrectly, and that the user is directed to use other pages of the site instead of closing the window to leave.
Two, 404 impact on SEO
Customizing the 404 error page is not only a good way to enhance the user experience, but it is also very important for search engines.
Search engine spider when request a URL to get "404" state response, that means that the URL is no longer indexed and the page is deleted from the index database by feedback to the datacenter, although the deletion process may take a long time; when the search engine gets "200" Status code, the URL is considered valid and will be indexed and included in the index database, so that the two different URLs have exactly the same content: Customize the contents of the 404 error page, which causes the replication Web page problem. Light is the search engine down the right, heavy will k off the site.
Three, good 404 page should follow the concept:
※ Provide concise problem description to eliminate visitor frustration.
※ provide a reasonable solution to assist visitors to complete the visit target.
※ provide a personalized and friendly interface to enhance the access experience.
Four, good 404 page Example:
Baidu 404
baidu404 page
This concise page provides visitors with:
1, Error tips
2, back to the first link
3. Description of the problem
4. Reasonable suggestion
5, search
6. Help link
Google 404 More Concise
google404 page
Provides:
1, Error tips
2. Description of the problem
Such a concise page is consistent with Google's brand spirit.
NASA 404
nasa404 page
Provides a
1, Error tips
2. Description of the problem
3, Site map, to provide a new starting point for access.
Amazon Amazonian
amazon404 page
Provides a
1. Description of the problem
2, back to the first link
3, looking for something? This sentence is very human, and the whole station intimate text label is also very consistent. This is more appropriate than the simple "Page not found".
V. Summary
The following are some specific operational recommendations
1, so that visitors to move to a place rather than back.
2, the page contains links to important parts of the site, such as the home page or site map.
3, in the effective help information is insufficient, through the visitor's feedback to make up the mistake. Provide an email link to the webmaster, or a form to submit a missing link.
4. Add a search box to search the site.
5, in the site listed close to the visitors expected page links, used to speculate on the page visitors are looking for.
You do not need to adopt all of the above suggestions, as we looked at the previous 404 pages of several sites, some will provide more information, and some are very concise, as long as your website style and brand spirit of the same. To see more than 404 pages, in the Web site you like to randomly lose a few characters, such as Http://www.china-clamshell.com/dfclamshell and then knock back to see.
This article starts address Lan Jiansong Network Promotion Blog: www.lanjiansong.com (reprint please keep).