php check 404

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

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

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

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

Introduction: This is a detailed page for PHP custom 404 errors. It introduces PHP related knowledge, skills, experiences, and some PHP source code. Class = 'pingjiaf' frameborder = '0' src = 'HTTP: // biancheng.dnbc?info/pingjia.php? Id = 322981 '

The following Houqingrong instructions to place 404 page code Some aspects, I hope everyone can use to the website construction: Provides one of the most practical and most common code, can be used in html,asp,php, add this code to the and between

The following Hou Qinglong describes some aspects of the 404 page code, I hope you can use the website construction: , change the URL to your desired URL and webpage. Provides the most practical and common code, which can be used in html, asp, and

Today, we need to use php to output a 404 error page, and then load the 404 page output. each core code that facilitates user experience with search engines: Copy codeThe code is as follows: @ Header ("http/1.1 404 not found "); @ Header

Php defines the implementation code core code of the 404 page: The code is as follows: @ Header ("http/1.1 404 not found "); @ Header ("status: 404 not found "); Echo 'echo 404 '; Exit (); To load the 404 page, you can run the following code:

Php beginners. when accessing. php, the error 404 is displayed. a friend of mine bought a space. The Space description supports php scripts. I wrote. put the php file and access "domain name/. php "prompts 404 error. The page cannot be found. you