503 Unavailable

Intermediary trading http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host Technology Hall first we have to figure out what a 503 error is; 503 is an HTTP status code. The English name 503 Service Unavailable and 404 (404 Service Unavailable) are the same kind of Web page state error codes. The former is a server error ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest Cloud host Technology Hall There is a time when users often ask us if a site in Google Robot Search is in the closed state, Then the site's "visibility" in Google's search results will be negatively affected. Sometimes 11518.html "> site shutdown is an unavoidable event: Webmaster may be due to ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest Cloud host Technology Hall This is Dukejia the previous" 5 ways to enhance Google's trust in the site, "the second piece, Very happy to write the first SEO related articles are included. Back to the subject, some sites often have to be temporarily shut down because of the need for regular maintenance or for some reason (hackers) ...

Intermediary trading http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall as an SEO, often see the web site log, the site log has a lot of code, often see 200, 404, 503 And so on, these numbers are the HTTP status code. such as 61.135.166.232--[31/dec/2007:02:30: ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest Cloud host Technology Hall HTTP request status code because of the relatively covert, so easy to be overlooked by the webmaster, However, if the status code used improperly often will have a great impact on the site, the following Shenzhen classified information network as an example to illustrate the more important several status code: 1. 200 normally request a URL will return 20 ...

With the explosion of information, micro-blogging website Twitter was born. It is no exaggeration to describe Twitter's growth with the word "born". Twitter has grown from 0 to 66,000 since May 2006, when the number of Twitter users rose to 1.5 in December 2007. Another year, December 2008, Twitter's number of users reached 5 million. [1] The success of Twitter is a prerequisite for the ability to provide services to tens of millions of users at the same time and to deliver services faster. [2,3,4 ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest Cloud host technology Lobby IIS log is every seoer must learn to view, Some of the server's health and access to IP are recorded in the IIS log, so IIS logs are very important to each Server Manager, which also makes it easy for site managers to view the site's operations. Website Plus business pass software can ...

Most of the questions in the FAQ come from http://www.stackoverflow.com and http://www.serverfault.com, some of which may not have been verified by me. Nginx How to replace error Q: Can I return with a 503 error (overloaded or temporarily unavailable) instead of a 502 error as an answer? A: Configure the fastcgi_intercept_errors directive and set it to on, and then use the error_page directive: Location/{...

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology lobby return an HTTP status code is the state of the server that is displayed on your site in response to a request, for example: • When a user accesses a Web page in a browser. • When the search engine spider crawls the page. HTTP status codes are five different categories: 1XX temporary/Information response 2XX succeeded 3XX redirect 4XX client/Request Error ...

"5" Data flow and control flow in the previous article, Twitter has two main points to watch, caching and Message Queuing. The role of Message Queuing is to "isolate user requests and related operations in order to flatten traffic peaks (move operations out of the synchronous request cycle, amortize load over time)". By letting the Apache process empty loop, quickly accept ...