Alexa World website ranking

Source: Internet
Author: User
Website rankings are the most likely to attract attention and discussion. Besides, they are set for more than 35 billion of the world's websites. The most important thing is that the rankings are published to the world over the Internet. This is enough to cause an uproar. For people who do not know the truth, someone suddenly tells you, "your website is behind us." at this time, you must be a bit blind. Who is focusing on the hero of the virtual world?
What is Alexa?
Alexa is a site that is compelling to publish World site rankings, URL address for http://www.alexa.com /. In fact, the search engine for this website is also very useful, but "website ranking" is the main reason for its eye-catching. Alexa, which started with website navigation, was created in April 1996. They aim to allow Internet surfers to participate in Internet resource location organization while sharing virtual world resources. In May 2002, Alexa gave up its search engine and cooperated with Google. They collect over 1, GB of information on the Internet every day and then perform Integrated Publishing. Now the number of URLs they collect has exceeded that of Google. The following figure shows a comparison of their own information. The vertical axis is the number of existing URLs, in the unit of billions. That is to say, in terms of quantity, Alexa ranks first among the four most famous search engines in the world, and has exceeded 35 billion.
The focus is that Alexa not only provides links to these more than 35 billion websites, but also ranks each of them. It can be said that Alexa is the website with the largest number of URLs and the most detailed ranking information.
Alexa's website ranking
Alexa has two main rankings: the overall ranking can also be called absolute ranking, that is, the ranking of a specific website among all more than 35 billion websites. Alexa publishes a comprehensive ranking of new websites every three months. This ranking is based on the geometric average value accumulated by the number of user links (Users Reach) and number of Page Views (Page Views) in three months.
For example, the top websites in the world: Yahoo (www.yahoo.com) ranked first, MSNhttp: // www.msn.com/) followed, the two Korean network http://www.daum.com/http://www.naver.com/ ranked third and fourth. The fifth name is the most famous search engine Googlehttp: // www.google.com /). On average, 308,000 million Internet users access Yahoo every day. The world's leading e-commerce retail platform Amazon http://www.amzon.com/overall ranking 14.
Alexa will also use "stars" in the overall ranking information based on users' comments on the website to grade the website, with a maximum rating of "5 stars ". Sina, the top Chinese website in the rankings, scored "2 stars ". The Alexa website does not participate in the ranking, but Alexa gives it a 4-star rating.
If the Alexa Toolbar is embedded in IE, the overall ranking of each website is displayed. This is what people usually call rankings. If you use Alexa to view a website, you will first see the overall ranking of the website, with screenshots of the homepage of the website on the current day and a simple text description of the website content. For example, the overall ranking is (the web page is cut N months ago ).

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