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Microsoft researchers traced and described a complex mechanism for creating doorways.

Microsoft researchers have published a document stating that numerous links that promote “doorway pages” on the Internet are generated and distributed by a small group of people who have connections with large advertisers and web hosts. Experts believe that the study will help limit the practice of distributing "junk" pages.

Microsoft traced and described a complex mechanism, according to which a group of people creates doorway pages and organizes a five-level two-way data exchange channel, in which (speaking simply) search engine traffic goes in one direction, and advertising content in the other, reports the NY Times. David Sifri, head of Technorati, said that in this way "a small number of intruders who know and understand well what they are doing can create a large number of problems."

Using questionable or illegal methods to artificially increase the ranking of a site in search results is known as search engine spamming. This practice is a serious and urgent problem for large search engines, which are making a lot of efforts to reduce (it is not possible to completely eliminate it) the influence of search spammers and the “fruits” of companies engaged in legal SEO (Search Engine Optimization). system), on the results of the search engines.
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The scheme of the mechanism identified by Microsoft experts
The scheme of the mechanism identified by Microsoft experts
The researchers found that most of this kind of “junk” pages was created by only two web-hosting companies, and over 68% of this content was posted by only three advertisers. Search engine spamming is a small but highly effective and developing component of the entire world spam machine. However, Mr. Sifri believes that search engine spamming can be made more manageable than it is now, if, respectively, the manageability and accountability of the Internet as a whole is increased. He is full of optimistic forecasts about this.

The study provides interesting statistics: for some search queries (such as “drugs” and “ring tone”), more than 30% of the search results are “garbage”. In addition, the experts calculated the average "density" of spam (the number of purely advertising pages in relation to the usual ones) and found out that the doorways were 11%. The analysis was carried out on the basis of 1000 keywords used to send queries to search engines.

Source: https://habr.com/ru/post/5479/


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