After 11 holiday this year, domestic websites on the Alexa rankings suddenly experienced a large-scale collective landslides, various rumors spread in Internet users in the beginning, a more popular argument is that the algorithm Alexa finally began to adjust to counter a growing number of China cheating site, Alexa people this is seen as "self-defence", after all, a list of the biggest selling points for the survival of the website is it the fairness of the rankings. 

  Onlookers were unable to solve all kinds of rumors have doubts about the credibility of the Alexa, as domestic mainstream media has never been carried out against Alexa technology in-depth analysis and reporting, and in the following introduction, the reader can see, perhaps Korean site rankings Another reason high, and so-called Alexa cheating is not just some media reports had repeatedly refresh so simple, and, Alexa also has its own very sophisticated anti-fraud measures.    However, as mentioned in this article and cheating means and the Internet can be seen everywhere, "Cheating Collection" was essentially different from Therefore, the extent to which Alexa could not resist such common cheating methods will be difficult to say.    Alexa tool of DNA to thoroughly Clear whether Alexa ranking credible, must be technically on the Alexa Web traffic monitoring global comprehensive anatomy, of course, Alexa has never published details of its own technology 

  Now the latest version of Alexa tool of the operation mechanism and there is no significant change in the past, whenever the user to Alexa toolbar with the IE browser to open a new page, the Alexa a server (data.alexa.com) will be receipt of the encrypted data packets, this packet of information is the core of a dozen parameters, these parameters including the current web site, open the pages of time, the client Display resolution, the Alexa toolbar version, the user whether the "Asia Ma's "users, an important parameters implied by Kobayashi analysis, that has been installed for each Alexa toolbar automatically generated id number, this number should be the only global.    Alexa can use the ID of each data packet sent feedback conducted only logo, which is PV solve problems and prevent duplication of the same users repeatedly refresh an important means of cheating. 

  This programming simulate multi-user access to the realization of cheating ways, the most important aspect is that the logo that Alexa only to the user ID, the identity of the Algorithm of crack, which required more than enough on the Alexa toolbar to Sniffer capture data packets quantitative analysis of the algorithm.    Estimated that the country can do these things minority people, the Internet is a master of this circle have only rarely do. 

  No matter what kind for the purpose of selling Alexa always hope that people can be in the interests of the more in-depth study of Alexa, Alexa more profound understanding of the value, the more benefit from.