Research or analysis of key words (search terms) - is the most important stage in the planning of a site on the Internet. Such analysis should be conducted before the creation of site architecture and contextual filling of the web site. Analysis of search terms helps identifying the competition and building a clever optimization strategy and website promotion.
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For a long time web masters and SEO experts have tried to fight the objective duplication on sites using permanent redirects (301), the specific architecture, IIS and Apache settings, .htaccess definitions, etc.
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