The World Wide Web is a storehouse of information and for the benefit of the users there are various internet based search engines present. Consumers are required to type in the key words on a particular topic and all the various data and information available in the internet on that subject is readily made available in the form of an index consisting of a set of sites and their content. The process of search engine placement, also often referred to as search engine optimization designates the process by means of which a website attempts to reach a higher ranking so that it remains one among the top in the list of sites indexed by the search engines. Therefore, it is evident that search engine optimization is extremely vita in order to ensure enhanced search engine placement and here it is also necessary to point out that the functioning of search engine placements are significantly dominated by algorithms and the premier search engines like Google and Yahoo do not reveal the algorithmic details that they use in order to index the websites. The primary purpose of search engine placements is to ensure total satisfaction to the consumers and ensure that their purposes are served by the list of websites indexed. However, there are also certain means which can restrict the possibility of a webpage from being one of the first in the index. Spamdexing is one such significant process which is said to hinder search engine placements considerably and restrict the possibilities of enabling a site to be one among the topmost in the index prepared by the search engines.
There are various kinds of spamdexing namely, link spam, content spam and using of world-writable pages and many others as well. Link spam refers to the process by which, link-based ranking algorithms are used in order to ensure higher ratings to a website which provides links to a greater number of other websites. Some of processes of link spam include page hijacking, link farms, Sybil attack, hidden links, spam blogs etc. Content spam is responsible for transforming the rational view that a search engine exercises over the contents of its pages and thus misguiding consumers. Some of the prominent modes of content spam include scrapper sites, meta tag stuffing, keyword stuffing, doorway pages etc. In case of pages which allow users to blog or include content, spamdexing needs to be kept under control.
By: Robert Baird
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