Focus on three 404 pages on the issue of setting up

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The 404 page in website construction is also the page displayed when a website encounters an error. In a website operation, 404 page will inevitably appear, for example, because the user entered the web address is incorrect, or the webmaster mistakenly deleted the contents of a page, etc., which will produce http 404 error code. Since we can not control the emergence of 404, then we should do a good job 404 after the deal, make good use of 404 pages for site optimization and user experience services. Under normal circumstances, the 404 page by the owners as an important means of dealing with invalid links, make good use of 404 pages can also bring very significant help to the site. There are many questions on the 404 page settings, I focus here on the 404 page settings.

First, why the site to set 404 pages. Let's start by looking at the benefits of setting up a 404 page, and understand why you want to set up a 404 page.

1, set the 404 page can shield out invalid links on the site, due to accidental deletion or website revision caused the site can not access the page, this time to the site set a 404 page can make inaccessible pages become valid Page to guide the user back to the site to browse other pages.

2, set the 404 page can tell search engine this page no longer exists, let the spider creep through the 404 page feedback information, prompting search engine to previously included page delete or update.

3, let the user have a certain sense of trust on the site, when a user visits to a page can not be opened, if there is a browser error page, the user may think the site more rubbish, do not seriously the site And so on, and if there is a friendly 404 page to guide users to return to other pages, then in the user's mind should think that the site is not bad, security and error handling is in place, so that users are more trusted website.

Second, how to set the 404 page of the website? Set the 404 page of the website, which is easy to set up for IIS. You can set the 404 error page in the "custom error" attribute page in the function setting panel of IIS website. Do a good 404 page, and then placed in the root directory of the web site, set up after a good test. For the virtual host, you can usually find the 404 error page in the virtual host control panel settings, and then set the page can be, if the host does not support 404 page settings, this is the space you can contact your service provider. When set up, if we enter a web page does not exist in the site, the browser will automatically open the 404 page we set up, if the system does not appear that you set the page, it shows that you have not set, this time Can be inspected and then tested until it reaches the required location. A friendly and lack of novel 404 interface settings, for SEO site optimization and user experience are very helpful, 404 page is actually equivalent to an invalid page jump link, but this jump link can be automatically Let the user jump on their own. 404 pages should lead to the development of a wide range of links, such as links to the site of the classification page, special recommendation page, you can use the JS call method to the site users generally recognized content page link to the 404 page, allowing users to have their own selective Return to the site.

Third, 404 page SEO website optimization have any effect. After we set up the 404 page, we get a 404 error notification when the spider is crawling, and we are not going to crawl the contents of the page. On the other hand, if the 404 page is not set, the spider will continue to crawl it. In the end, many invalid pages may be generated, resulting in repeated accumulation of web page information. In this case, the website may be downgraded. In some cases, station. On the other hand, setting up a 404 page also improves the user experience and is more user-friendly, which undoubtedly adds bonus to SEO performance.

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