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The intermediary transaction SEO diagnose Taobao guest Cloud host technology Hall Sina technology Zhang January 21 3 o'clock in the afternoon, more than 10 alarm mail, let Cobo startled out a cold sweat. Cobo is one of the top ten Web site operators in the domestic traffic, he and his regiment 24-hour team to maintain this day browsing the amount of billions of websites. 　　More than 10 alarm messages, which means that users in more than 10 provinces across the country are unable to access the site. "What's wrong with the core room?" Cobo whispered silently, hurried out from a meeting, trot up the stairs, back to the operation of the Department of Labor ...

In search engines, the most basic unit to get traffic is the Web page. The http://www.aliyun.com/zixun/aggregation/8486.html of a Web page "> External link factor, has a great impact on the ranking of this page." This page's external links, both the same site's other pages to the site links, there are other sites on the Web page to the outbound links. The internal link in the following article refers to the link inside the station, the external link refers to the outside link. So in the optimization of a website, is ...

First of all, we start from a problem, some of the friends who do optimization will ask: "In my process for SME optimization, I think building an effective link is one of the most difficult tasks." Can you list some effective link building and how to build these links ". 　　Yes, although the site's own construction is very important, but this is in our own hands, we hold the initiative, outside the chain of construction is not the same, we can not ensure that the external chain is effective, whether it can bring traffic to the site. Google launched Google public DNS, this is a DNS server, anyone can any more ...

Instagram 5 Legendary engineers behind the technical Revelation (PPT) published in 2013-03-28 22:13| Times Read | SOURCE csdn| 0 Reviews | Author Guo Shemei Postgresqlredismemcachedinstagram Open Source AWS Summary: Instagram, a photo-sharing app developer based on iOS and Android, with a unique operating philosophy, with only 5 engineers, Team A total of 13 people in the case of success to their own 7 ....

Malware analysis, penetration testing, and computer forensics - GitHub hosts a host of compelling security tools that address the real needs of computing environments of all sizes. As the cornerstone of open source development, "all holes are superficial" has become a well-known principle or even a credo. As widely known as Linus's law, the theory that open code can improve the efficiency of project vulnerability detection is also widely accepted by IT professionals when discussing the security benefits of the open source model. Now, with the popularity of GitHub ...

Instagram is a model for many startups, with more than 10 of companies, from the beginning of obscurity to the end of a hefty takeover by Facebook. How does a company, from the beginning of the operating system selection, server to database selection, message push, how to do? This article compiles from the Instagram engineering blog, tells you Instagram technical secret. When choosing a system, our core principles are: Try to be as simple as possible, do not do repetitive work, and try to adopt proven technology. Operating system/Hosting because we were only three.

Abstract: This evening, Sina network in some areas of temporary access failure. Sina Technology in micro-blog said that 17:50 or so DNS server appears domain name can not resolve the fault, is now gradually recovery in the affected users apologize. It is reported that class this evening, Sina network in some areas of temporary access failure. Sina Technology in micro-blog said that 17:50 or so DNS server appears domain name can not resolve the fault, is now gradually recovery in the affected users apologize. It is reported that similar things do not only appear on Sina. Previously included Baidu ...

2013, the most serious cloud computing interruption in China IDC Circle July 23 reported: cloud Computing for enterprises and ordinary users bring a lot of benefits, although the cloud is located in the "sky", but they are not spared the "earthly mistakes." Cloud computing users know that, like any other type of technology, web-based services can crash. If the supplier behind these services is smart enough, you should not lose any data, but you may be severely affected during the interruption of the service. Let's take a look at the worst cloud computing outage in 2013 so far. Ama ...

Introduction: Pixable is becoming a light blog Tumblr (tumblr:150 The architectural challenges behind the amount of browsing), another hot social media, it is a photo-sharing center. But pixable can automatically grab your Facebook and Twitter images and add up to 20 million images a day, how do they handle, save, and analyze the data that is exploding? Pixable CTO Alberto Lopez Toledo and Engineering vice President Julio V ...

"Editor's note" This article is in the United States and China's Internet and cloud services in the field has nearly 10 years of experience Lillian Shao should pingwest invited to write articles. From a professional point of view, why in the United States and many parts of the world has been widely spread, to help entrepreneurs very large "public cloud" services, in China is difficult to fall in the various dimensions of the reasons. You can contact the author directly lillianshao09@gmail.com often hear questions about why there is no reliable public cloud service in China. International Mature ...