This example describes the way PHP uses Curl to judge Web page 404 (nonexistent). Share to everyone for your reference, specific as follows:
The run result is: does not exist
Supplemental: For HTTP request header information, refer to the online tools of this site:
Encyclopedia of HTTP Status codes: Http://tools.jb51.net/table/http_status_code
PS: Small knitting here recommend a site for th
Article Description: We have previously explained the cause of the 404 error pages, and once the visitors have entered the 404 page, they probably don't know what to do next. The pages they are searching for may have been shifted, so you should help them find it as much as possible, or the pages they are looking for may have been deleted, which means they are lik
I used the thinkphp framework of PHP. I didn't know why I didn't search for such keywords on the Internet, such as "thinkphp 404 page display, instead, I entered a keyword like "wampserver settings 404 page display" and found a lot of content at night.
When we write any website, it will involve displaying the friendly
404 errors are errors that are prone to the WWW site access. The most common error hint: 404 Not FOUND. 404 error page settings on the site SEO has a great impact, and improper settings, such as direct to jump home, etc., will be the search engine down the right to pull hair. 404
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 ("status:
The default 404 error page is not very friendly to visitors and search engines. it takes some time to set error prompt pages such as 404 on the server to better retain visitors. As the one-click installation package of LNMP. ORG does not provide error messages such as 404 by default, we need to add several lines of cod
: This article mainly introduces how Magento customize the 404 page ?, If you are interested in the PHP Tutorial, refer. Magento modify page 404
Magento has a default 404 page. what should I do if I want to customize a
In the ecshop system, for example, if you modify the ID in the address of the product details page to a non-existent product ID, ecshop will automatically jump to the home page.Ecshop is doing very poorly in this regard, and even many websites are not indexed by search engines. The most template provides the analysis of this ecshop tutorial as follows: 1. Analysis: ecshop program file category. PHP and goods. the following code exists in multiple pag
404 pages in the face of SEO work has very important significance, some webmaster may have done this: the original does not exist to force the page back to normal page, so that its data and the framework of the normal display, but this behavior is really a shame, the search engine is very unfriendly, at the same time you deepen the site's duplication, Resulting i
404 pages are an essential part of every website. We can see many creative 404 error pages on the Internet. In this article, I have selected 30 inspired and enlightening 404 page design examples. Web designers spend their time designing an alternative custom 404 error
First on the web search for the Dream System 404 error page of a Web page or you can edit it yourself, and then edit this 404 page through the Web editor, and then the inside of the Web site to change its own URL, the word is Macromedia Dreamweaver 8 tool editing, such as:Th
The site's dead links and bad links are unavoidable, the deletion of articles in the station, the site's revision will be left behind a lot of dead links, the source of the wrong link is mainly in the release of the chain may be wrong or missing some characters caused by the link can not access, when a user visit the site, there are friendly 404 pages, So whether the dead link or wrong link, can be a good user guide to enter the site, can say that
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);* 200: The server successfully returned to the Web
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
1) do not place jump code on the 404 page to avoid affecting the overall view of the website by the search engine!I have done a test, that is, using two websites to check whether the jump code on the 404 error page has any impact on the search engine, the result is that the website does not place jump code on the
It is frustrating to see the 404 error when browsing the Web page. I am sure that if there is nothing to attract your attention in the next one or two seconds, you will leave the website and never return again. Therefore, many websites design a novel error page to attract users to continue browsing other content. We have collected 50 very creative
Magento Modify 404 Page
Magento has the default 404 page, and if you want to customize a 404 page, how to do it?
Method One
First, let's look at the default 404
A novel error page can retain users to guide users through other content. 404 page also has some special uses, for example displays the public service advertisement, the promotion website own content and so on, 404 pages is also improves the website user experience one aspect. Here are 30 unique
The 404 page tells the search engine that the page does not exist, and also prompts users to select other operations. next I will introduce php custom 404 to my friends who do not have apache operation permissions.
The 404 page te
First, let's look at the header function.The header () function sends the original HTTP header to the client, header (string, replace, http_response_code)Php header 404:Php code The code is as follows:Copy code Header ("HTTP/1.1 404 Not Found"); exit; If the above code is ineffective, try the following code:Php code The code is as follows:Copy code Header ("Status:
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