Http 503 Apache

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 ...

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 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) ...

"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 ...

"6" Traffic flood peak and cloud computing an article on a text message from published to read, the Twitter business logic has gone through the 6 steps. On the surface it seems to be boring, but chew it carefully, and each step unfolds, there is a story. The American rugby final, nicknamed the Super Bowl (Bowl). Super Bowl in the United States, the equivalent of China's CCTV Spring Festival party. February 3, 2008, Sunday, the year Super Bowl held as scheduled. New York Giants (Giants), against Boston ...

Intermediary transaction SEO diagnosis Taobao Guest Cloud mainframe technology hall Google robot-what a magical dream of the boat! He knows our soul and every part. 　　Maybe he's not looking for something unique; he has read about billions of other sites (although we also share our data with other search engine bots), but tonight, as a website and Google bots, we will really know each other. I know it's never been a good idea to be overly analytical on a first date. We will pass a series of articles, a little bit ...

Summary: SEO need to start from a small, any little detail will have a huge impact. Error links are difficult to completely avoid in the site, 404 pages as the error link return page in the user experience played a crucial role. 404 The Role of the page: when the user entered the wrong SEO need to start small, any small details will have a huge impact. Error links are difficult to completely avoid in the site, 404 pages as the error link return page in the user experience played a crucial role. 404 page Function: The page returned when the user entered the wrong link. 404 pages ...