invalid http status code 404

In the actual application of the site construction, prone to a lot of small mistakes, like MySQL was optimized not in place, the impact of the overall site browsing effect, in fact, the site's regular HTTP status code performance is the same, Google

Recently I found a more detailed and reasonable article. Some of them must think it is very important. The 404 page adjustment should not use Meta Refresh, which makes it easy for search engines to misjudge and deserves attention. Second, there is a

Http status code (200, 404, 500, etc.) (to CSDN), 500 and other csdn When we send a request from a client to the serverThe server returns the status code to us.The status code is the status of the server response.Through this, we can know whether

In the article "view how search engine spider crawls your website through HTTP status code", I introduced some frequently-involved HTTP status codes and their meanings, for example, the HTTP Status Code 404 related to this article is frequently

404 not found !, 404 notfound404 not found! Sorry, no article is found !! What is 404 Not Found? 404 page is a necessary page for a website. It carries the important responsibilities of user experience and SEO optimization. The 404 page usually

This is a more comprehensive HTTP request error status code Daquan link address: http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html, the following are just a few of the common occurrences. 1xx (Temporary response)A status code that represents a

HTTP status: 202, 301, 304, 404, 503 reprinted Baidu... 301, 404, 200, 304, and other HTTP status, what does it mean? In the practical application of website construction, many small mistakes may occur, just as MySQL was not optimized at the

Some of the common status codes are :200-Server successfully returned to Web page404-The requested page does not exist503-Server TimeoutA complete list of HTTP status codes is provided below. Click on the link to learn more. You can also get more

A good website with a good 404 page is standard.Why do you have 404 pages? How do I set up a 404 page?Why 404 pages? On the local, such as I open localhost/fuck.htm (the file does not exist), HTTP returns 404 Not Found, and the page is shown

Before you get to 404 pages, let's get a look at some common HTTP status codes.* 404: The requested Web page does not exist (does not exclude the possibility that the link will be valid later);* 410: The requested Web page does not exist (permanent);