Concepedia

TLDR

Search engines dominate online information access, making high rankings crucial for visibility, which has turned SEO into a large industry but also spawned many unverified myths about ranking algorithms. The article aims to systematically validate assumptions about Google’s and Bing’s ranking algorithms by designing and evaluating a dedicated ranking system. The authors built a ranking system that employs linear learning models combined with a recursive partitioning ranking scheme to predict search results. The system accurately predicts 7 of the top 10 pages for 78 % of keywords and 9 of the top 10 for 77 % of terms, revealing feature importance, offering SEO guidelines, and detecting potential ranking bias.

Abstract

Search engines have greatly influenced the way people access information on the Internet, as such engines provide the preferred entry point to billions of pages on the Web. Therefore, highly ranked Web pages generally have higher visibility to people and pushing the ranking higher has become the top priority for Web masters. As a matter of fact, Search Engine Optimization (SEO) has became a sizeable business that attempts to improve their clients’ ranking. Still, the lack of ways to validate SEO’s methods has created numerous myths and fallacies associated with ranking algorithms. In this article, we focus on two ranking algorithms, Google’s and Bing’s, and design, implement, and evaluate a ranking system to systematically validate assumptions others have made about these popular ranking algorithms. We demonstrate that linear learning models, coupled with a recursive partitioning ranking scheme, are capable of predicting ranking results with high accuracy. As an example, we manage to correctly predict 7 out of the top 10 pages for 78% of evaluated keywords. Moreover, for content-only ranking, our system can correctly predict 9 or more pages out of the top 10 ones for 77% of search terms. We show how our ranking system can be used to reveal the relative importance of ranking features in a search engine’s ranking function, provide guidelines for SEOs and Web masters to optimize their Web pages, validate or disprove new ranking features, and evaluate search engine ranking results for possible ranking bias.

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