Meta elements provide information about a given webpage, most often to helpsearch engines categorize them correctly. They are inserted into the HTMLdocument, but are often not directly visible to a user visiting the site.

They have been the focus of a field ofmarketing research known as search engine optimization (SEO), where differentmethods are explored to provide a user's site with a higher ranking on searchengines. In the mid to late 1990s, search engines were reliant on meta data tocorrectly classify a web page and webmasters quickly learned the commercialsignificance of having the right meta element, as it frequently led to a highranking in the search engines ? and thus, high traffic to the web site.

As search engine traffic achievedgreater significance in online marketing plans, consultants were brought in whowere well versed in how search engines perceive a web site. These consultantsused a variety of techniques (legitimate and otherwise) to improve ranking fortheir clients.

Meta elements have significantly less effect on search engine results pagestoday than they did in the 1990s and their utility has decreased dramaticallyas search engine robots have become more sophisticated. This is due in part tothe nearly infinite re-occurrence (keyword stuffing) of meta elements and/or toattempts by unscrupulous website placement consultants to manipulate(spamdexing) or otherwise circumvent search engine ranking algorithms.

While search engine optimization canimprove search engine ranking, consumers of such services should be careful toemploy only reputable providers. Given the extraordinary competition andtechnological craftsmanship required for top search engine placement, theimplication of the term "search engine optimization" has deterioratedover the last decade. Where it once implied bringing a website to the top of asearch engine's results page, for the average consumer it now implies arelationship with keyword spamming or optimizing a site's internal searchengine for improved performance.

Major search engine robots are morelikely to quantify such extant factors as the volume of incoming links fromrelated websites, quantity and quality of content, technical precision ofsource code, spelling, functional v. broken hyperlinks, volume and consistencyof searches and/or viewer traffic, time within website, page views, revisits,click-throughs, technical user-features, uniqueness, redundancy, relevance,advertising revenue yield, freshness, geography, language and other intrinsiccharacteristics.

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