A simple introduction to the 404 page (

This article will tell you about the 404 page and the corresponding knowledge points. I hope it will be helpful to you. Don’t forget to bookmark this site. Contents of this article At a glance: 1. Why does 404 appear when I open the webpage? 2. What does 404 mean? 3. What does 404 mean? , It means that when the client browses the webpage, the server cannot provide information normally, or the server cannot respond and the reason is unknown. HTTP 404 or Not Found direction information is one of HTTP "Standard response information" (HTTP format code). 2. Generally, there are two reasons for displaying 404: 404 page is the page that the user goes to when he enters the desired link. HTTP404 direction means the webpage pointed to by the link Does not exist, that is, the URL of the original webpage is lost and invalid. This situation is usually caused by the link of the original text being deleted. 3. There are many reasons for the pop-up of 404 on the webpage. The first point: it may be the webpage of the website It is in the closed stage. The second point: Suppose you visit a certain website, for example, "I visited it in the morning before, but I made a mistake when I visited the website in the afternoon. The reason for the breakdown may be that the server of the official website did not take care of it." 4. First of all, we need to confirm whether our computer cluster is connected correctly. When our cluster has problems such as DNS hijacking, etc., we may display "ERROR 404--NOT FOUND" The webpage prompt. What does 404 mean? It means that when the client browses the webpage, the server cannot provide information normally, or the server cannot respond and the reason is unknown. HTTP 404 or Not Found direction The message is one of HTTP's "standard response information" (HTTP profile code). The profile code means that the requested page does not exist, has been deleted or cannot be accessed. The 404 profile code is a HTTP profile code, which It means: The requested page does not exist or has been deleted. In more detail, it is the page that the user goes to when the user enters the desired link. It is an HTTP profile code, which means that the web page or file is not found. HTTP 404 Or Not Found direction information is one of the HTTP "standard response information" (HTTP profile code), this information means that the server cannot provide information normally when the client browses the webpage, or It’s because the server can’t respond and I don’t know the reason. The original meaning is an HTTP format code, which means that the web page or file is not found. The cluster buzzword 404 can be understood as whether there is an object. In fact, it is a HTTP format code, which means that the user is in the When browsing the webpage, the server cannot provide accurate information or the server cannot return the information normally due to unknown reasons. To put it more simply, the webpage is not found or the webpage is lost Falling is to display the code of 404. The webpage that displays 404 is called 404 page. What does webpage 404 mean? It means that when the client browses the webpage, the server cannot provide information normally, or the server cannot respond without knowing the reason. HTTP 404 or Not Found direction information is one of HTTP's "standard response information" (HTTP appearance code). Websites displaying HTTP Status 404 is a rare cluster-oriented interface. The linked page does not exist. The 404 page shows that the webpage pointed to by the link does not exist, that is, the url of the original webpage is lost and invalid. 404 is a frequently displayed direction when visiting www websites, indicating that users can access the server normally, but the server cannot find the resource requested by the user. , is the http profile code of the web page, and is a direction that often appears in website visits, indicating that the page is wrong or does not exist. It is an HTTP profile code that means that the web page or file is not found. HTTP404 or NotFound direction information is one of the "standard response information" (HTTP format code) of HTTP. This information means that when the client browses the webpage, the server cannot provide information normally, or Is the server can not respond and do not know why. Opening the webpage prompts 404, what is the reason? It means that when the client browses the webpage 404 page, the server cannot provide information normally, or the server cannot respond and the reason is unknown. The HTTP 404 or Not Found direction information is one of the "standard response information" (HTTP appearance code) of the HTTP 404 page. The reason why 404 is displayed: the original page on the server has been deleted and the 404 page has been deleted. This kind of situation often occurs in forums. For example, if a user clicks on a post N years ago on the forum, since the forum has guaranteed the fair use of server costs for the 404 page, the outdated or very old pages will be deleted from the 404 page. At this time, 404 not found will be displayed. is a cluster request (http) profile code. Indicates that the page you requested does not exist or has been deleted. However, because the address of the director is entered, or the page corresponding to the address has been deleted. Search engines use HTTP shape codes to identify the shape of web pages. When a search engine loses a direct link, the website should return a 404 format code, reporting to the search engine to abandon the index of the link. There are generally two reasons for displaying 404: the 404 page is the page that the user goes to when they enter the desired link. The HTTP 404 error means that the webpage pointed to by the link does not exist, that is, the URL of the original webpage is lost and invalid. This situation is usually caused by the link of the original text being deleted. This is the end of the introduction to the 404 page and I don’t know if you have found the information you need? If you want to know more information about this, remember to bookmark and pay attention to this site.